Update CONTRIBUTING.md

chore: update symlink hash logic

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -5,6 +5,10 @@ labels: ["bug"]
 assignees:
   - aclist
 body:
+  - type: markdown
+    attributes:
+      value: |
+          ### WARNING: When posting log/config data, redact any sensitive information like API keys.
   - type: checkboxes
     id: kb
     attributes:

.github/ISSUE_TEMPLATE/trouble.yml

@@ -5,6 +5,10 @@ labels: ["troubleshooting"]
 assignees:
   - aclist
 body:
+  - type: markdown
+    attributes:
+      value: |
+          ### WARNING: When posting log/config data, redact any sensitive information like API keys.
   - type: dropdown
     id: device
     attributes:

.github/workflows/mirror.yml

@@ -8,7 +8,7 @@ jobs:
   mirror-to-codeberg:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - uses: pixta-dev/repository-mirroring-action@v1

.gitignore

@@ -1 +1,4 @@
 tags
+__pycache__
+pre-commit
+tests/

CHANGELOG.md

@@ -1,14 +1,125 @@
 # Changelog
 
-## [6.0.0-beta.8] XXXX-XX-XX
+## [6.0.6-beta.1] 2026-05-17
+## Changed
+- Update symlink hash logic to align with DZGUI 7 beta
+- Update A2S helper to latest commit
+
+## [6.0.5-beta.2] 2026-04-17
+## Changed
+- During server connection attempts, only download mods local to specific server
+
+## [6.0.5-beta.1] 2026-04-13
+## Fixed
+- Update A2S module checksums to support servers with missing description field
+## Changed
+- Bump version to reflect hotfixes on stable branch
+
+## [6.0.2-beta.5] 2026-04-12
+## Fixed
+- Use conditional logic when testing GLibUnix namespaces
+
+## [6.0.2-beta.4] 2026-04-10
+## Fixed
+- Use GLibUnix namespace when setting up SIGINT handling
+
+## [6.0.2-beta.3] 2026-01-26
+## Fixed
+- Raise error correctly from module
+
+## [6.0.2-beta.2] 2026-01-18
+## Fixed
+- Helpers not being downloaded (uncommented boilerplate)
+
+## [6.0.2-beta.1] 2026-01-18
+## Fixed
+- Do not spawn dialogs from inside of thread when fetching prereqs
+## Changed
+- Optimize time complexity of startup checks
+- Optimize coordinate calculation by using local records first
+- Rename some internal functions
+- Wrap entire startup process in dialog
+
+## [6.0.1-beta.1] 2026-01-16
+## Fixed
+- Explicitly use Python 3.13 when calling subprocesses
+
+## [6.0.0-beta.20] 2026-01-14
+## Fixed
+- Write cache file after wiping
+
+## [6.0.0-beta.19] 2026-01-14
+## Fixed
+- Steam Deck compatible script path expansion
+
+## [6.0.0-beta.18] 2026-01-14
+## Fixed
+- Update UI checksums
+
+## [6.0.0-beta.17] 2026-01-14
 ## Added
-- Flag to disable branch toggle for distro-packaged releases
+- More descriptive help dialogs when initial dependencies are missing
+
+## [6.0.0-beta.16] 2026-01-04
+## Fixed
+- Regression introduced in previous hotfix
+
+## [6.0.0-beta.15] 2025-12-27
+## Fixed
+- Path discovery during first-time setup when parsing filepaths with whitespaces
+- First-time setup dialog continuously triggering when DayZ install path had whitespaces in it
+
+## [6.0.0-beta.14] 2025-12-09
+## Fixed
+- Dialogs with newlines breaking output in log table
+
+## [6.0.0-beta.13] 2025-11-29
+## Fixed
+- Server filter panel not being hidden when entering other page contexts
+- Path to remote changelog being constructed incorrectly
+
+## [6.0.0-beta.12] 2025-11-14
+## Changed
+- Require Python 3.13
+## Fixed
+- Normalize beta version
+
+## [6.0.0-beta.11] 2025-11-13
+## Added
+- Support sandboxed flatpak
+
+## Changed
+- Preferred client from radio toggle to combobox
 
 ## Fixed
-- ESC key destroying wait dialogs while thread is pending
-- Tooltip signals being processed on main menu
-- Leaky variable name in dialog title
+- Config file erroneously getting updated when populating settings menu
+
+## [6.0.0-beta.10] 2025-11-10
+## Fixed
+- Python 3.14 error in finally block
+- Require Python version between 3.11 and 3.12
+
+## [6.0.0-beta.9] 2025-11-05
+## Fixed
+- UI not being constructed correctly if CHANGELOG.md was missing
+
+## [6.0.0-beta.8] 2025-11-04
+## Added
+- Internal flag to allow distribution packaged releases to disable in-app updates
+- Pre-boot check to test whether script was invoked directly
+- Commandline usage help text
+
+## Fixed
+- ESC key destroying wait dialogs while a thread is pending
+- Tooltip signals being erroneously drawn on main menu
+- Leaky variable name in dialog titles
 - Prevent extraneous signals from propagating when column width is adjusted
+- Script failing to start when remote endpoints are unavailable (GaryBlackbourne)
+
+## Changed
+- Optimize time complexity of pre-boot checks (GaryBlackbourne)
+- Moved location of notes file
+- Rewrote distance calculation module (GaryBlackbourne)
 
 ## [6.0.0-beta.7] 2025-09-20
 ## Added

CONTRIBUTING.md

@@ -1,16 +1,15 @@
 # Introduction
 
-Thank you for considering contributing to DZGUI!
+Thank you for your interest in DZGUI!
 
-This is a guide for contributors containing conventions best practices and rules
-of development and aims to ease the beginning of a contribution.
+This guide goes over development conventions and best practices for contributors.
+If you are a developer, you can skip to the end.
 
-# How can I request help?
+# Requesting help
 
-There is an issue tracker on github
-(link)[https://github.com/aclist/dzgui-devel/issues] where you can submit
-tickets. If you need help troubleshooting a problem, submit a ticket. There is a
-category called `troubleshooting` which is exactly what you need.
+If you encounter a problem with DZGUI, you can submit tickets on the GitHub
+[issue tracker](https://github.com/aclist/dztui/issues) under the
+`troubleshooting` tag.
 
 # How can I help the project?
 
@@ -23,44 +22,50 @@ There are several ways to help this project.
 Before making any contribution, please read the `CODE_OF_CONDUCT.md` and act
 accordingly.
 
-## How to report
+## Submitting a ticket
+
+Navigate to the GitHub [issue tracker](https://github.com/aclist/dztui/issues).
+From there, follow the onscreen prompts. You will be asked questions such as:
 
-Reproduce the bug that you found. Navigate to the issue tracker on github:
-(link)[https://github.com/aclist/dzgui-devel/issues]
-Create a ticket where you give us the following:
 - What version are you using?
 - What distribution are you using?
 - What is the issue that you found?
 - How can we reproduce the issue?
-- Possible screenshots, logs, other data that can help us
 
-## How to request a feature
+You can also attach screenshots, logs, or other data that can help us.
 
-Navigate to the projects issue tracker
-(link)[https://github.com/aclist/dzgui-devel/issues]. Search for your idea to
-see if anyone had posted a simmilar idea. If not, open a ticket where you
-describe your feature and its possible benefits. Please note, that this is a
-community project, it takes time for us to develop features, having a feature
-request doesn't mean that it will be implemented, but we do our best to support
-as many cool ideas as possible.
+## Requesting a feature
 
-## How to contribute code or documentation
+You can also request features via the same issue tracker. It is good practice to
+first search for your idea to see if a similar one has already been posted.
+If not, open a ticket where you describe your feature and its possible benefits.
 
-If you have an issue of interest in the issue tracker or any other change that
-you would like to have implemented you can contribute code to this project. For
-this, you may fork this repository and checkout to
-`prerelease/<latest-version>`. All new features and fixes will be merged to this
-branch, so open your branch from here. Name it according to our convention:
-- fix/<your-fix> - fix branches
+Please note that this is a community project, so it takes time for us to develop
+features. Putting in a feature request does not mean that it will be implemented,
+but we will do our best to support as many cool ideas as possible.
+
+## Contributing code or documentation
+
+If you would like to take ownership or assist with an issue on the issue tracker, or
+contribute a new change, please follow the guidelines below.
+
+Fork this repository and check out the code up to `prerelease/<latest-version>`.
+If there is no pending prerelease PR, you can base your changes off of
+the `testing` branch. You may later be asked to retarget your PR to the prerelease
+branch once a new one is made. This is because out-of-band PRs are consolidated into
+the next release before merging.
+
+The following naming conventions apply for PRs:
+- fix/<your-fix> - patch/hotfix branches
 - feat/<your-feature> - feature branches
 - doc/<your-doc-branch> - documentation branches
 - infra/<your-infra-branch> - infrastructure branches
 
-Now you can implement your changes and test it locally. If they work you may
+Implement your changes and test them locally. If they work you may
 open a merge request, and then we review your changes. If everything is OK, it
-will be merged to `prerelease/<latest-version>`, then `testing` and after a live
+will be merged to `prerelease/<latest-version>`, then `testing`, and after a live
 testing phase, to `stable` as well.
 
-During development, it is recommended to follow (conventional
-commits)[https://www.conventionalcommits.org/en/v1.0.0/], it helps the project
-maintainers when they review your code.
+It is recommended to follow
+[Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/), as this
+integrates well with tooling and helps the project review your code.

README.md

@@ -11,6 +11,15 @@ This overcomes certain limitations in the Linux client and helps prepare the gam
 - Concatenate launch options to pass to Steam
 - Connect to mod-enabled LAN servers
 
+## Design philosophy
+
+DZGUI follows a specific set of guidelines, enumerated below:
+
+- Provide a free and open-source tool under GPL
+- Do not use undocumented, third-party servers to aggregate data; no central "DZGUI" server
+- All connections go to Steam and DayZ servers directly; the tool should function in perpetuity without intermediary endpoints
+- Target Linux desktop and Steam deck specifically; not a cross-platform tool
+
 ## Setup and usage
 
 Refer to the documentation for installation and setup instructions:
@@ -18,7 +27,6 @@ Refer to the documentation for installation and setup instructions:
 - [GitHub](https://aclist.github.io/dzgui/index.html)
 - [Mirror (Codeberg)](https://aclist.codeberg.page)
 
-
 ![A screenshot of DZGUI](/images/example.png)
 
 ## Attribution

dzgui.sh

@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
 set -o pipefail
 
-version=6.0.0.beta-8
+src_path="$(readlink -e "$0")"
+version=6.0.6-beta.1
 
 #CONSTANTS
 aid=221100
@@ -39,6 +40,7 @@ cols_file="$state_path/$prefix.cols.json"
 
 #CACHE FILES
 coords_file="$cache_path/$prefix.coords"
+src_path_file="$cache_path/$prefix.src"
 
 #legacy paths
 hist_file="$config_path/history"
@@ -63,17 +65,14 @@ testing_url="$url_prefix/testing"
 releases_url="https://github.com/$author/$repo/releases/download/browser"
 km_helper_url="$releases_url/latlon"
 
-
 set_im_module(){
     #TODO: drop pending SteamOS changes
-    pgrep -a gamescope | grep -q "generate-drm-mode"
-    if [[ $? -eq 0 ]]; then
-        GTK_IM_MODULE=""
+    if pgrep -a gamescope | grep -q "generate-drm-mode"; then
+        unset GTK_IM_MODULE
         logger INFO "Detected Steam Deck (Game Mode), unsetting GTK_IM_MODULE"
-    else
-        return
     fi
 }
+
 redact(){
     sed 's@\(/home/\)[^/]*@\1REDACTED@g'
 }
@@ -87,13 +86,21 @@ logger(){
     printf "%s␞%s␞%s::%s()::%s␞%s\n" "$date" "$tag" "$self" "$caller" "$line" "$string" \
         | redact >> "$debug_log"
 }
+
 setup_dirs(){
-    for dir in "$state_path" "$cache_path" "$share_path" "$helpers_path" "$freedesktop_path" "$config_path" "$log_path"; do
-        if [[ ! -d $dir ]]; then
-            mkdir -p "$dir"
-        fi
+    directories=()
+    directories+=("$state_path")
+    directories+=("$cache_path")
+    directories+=("$share_path")
+    directories+=("$helpers_path")
+    directories+=("$freedesktop_path")
+    directories+=("$config_path")
+    directories+=("$log_path")
+    for dir in "${directories[@]}"; do
+        mkdir -p "$dir"
     done
 }
+
 setup_state_files(){
     if [[ -f "$debug_log" ]]; then
         rm "$debug_log" && touch $debug_log
@@ -104,13 +111,13 @@ setup_state_files(){
         logger INFO "Migrating legacy version file"
     fi
     # wipe cache files
-    local path="$cache_path"
-    if find "$path" -mindepth 1 -maxdepth 1 | read; then
-        for file in $path/*; do
+    if [[ $(ls -A "$cache_path") ]]; then
+        for file in "$cache_path"/*; do
             rm "$file"
         done
         logger INFO "Wiped cache files"
     fi
+    echo "$src_path" > "$src_path_file"
 }
 print_config_vals(){
     local keys=(
@@ -132,10 +139,10 @@ print_config_vals(){
 
 }
 test_gobject(){
-    python3 -c "import gi"
+    python3.13 -c "import gi"
     if [[ ! $? -eq 0 ]]; then
         logger CRITICAL "Missing PyGObject"
-        fdialog "Requires PyGObject (python-gobject)"
+        quit_with_help_dialog "Requires PyGObject (python-gobject)"
         exit 1
     fi
     logger INFO "Found PyGObject in Python env"
@@ -214,17 +221,14 @@ default_steam_path="$default_steam_path"
 
 #Preferred Steam launch command (for Flatpak support)
 preferred_client="$preferred_client"
-
-#DZGUI source path
-src_path="$src_path"
 END
 }
 depcheck(){
     for dep in "${!deps[@]}"; do
-        command -v "$dep" 2>&1>/dev/null
-        if [[ $? -eq 1 ]]; then
+        if ! command -v "$dep" &> /dev/null; then
             local msg="Requires $dep >= ${deps[$dep]}"
-            raise_error_and_quit "$msg"
+            echo "$msg"
+            exit 1
         fi
     done
     local jqmsg="jq must be compiled with support for oniguruma"
@@ -233,14 +237,31 @@ depcheck(){
     [[ $? -ne 0 ]] && raise_error_and_quit "$jqmsg"
     logger INFO "Initial dependencies satisfied"
 }
+open_url(){
+    url="$1"
+    if [[ -n "$BROWSER" ]]; then
+        logger INFO "Opening '$url' in '$BROWSER'"
+        "$BROWSER" "$url"
+    else
+        logger INFO "Opening '$url' with xdg-open"
+        xdg-open "$url"
+    fi
+}
+quit_with_help_dialog(){
+    local sel
+    msg="$1"
+    help_button="Open help page"
+    url="https://aclist.github.io/dzgui/installation.html"
+    logger CRITICAL "$msg"
+    sel=$(zenity --info --extra-button="$help_button" --text="$msg")
+    [[ $sel == "$help_button" ]] && open_url "$url" &
+    exit 1
+}
 check_pyver(){
-    local pyver=$(python3 --version | awk '{print $2}')
-    local minor=$(<<< $pyver awk -F. '{print $2}')
-    if [[ -z $pyver ]] || [[ ${pyver:0:1} -lt 3 ]] || [[ $minor -lt 10 ]]; then
-        local msg="Requires Python >=3.10"
-        raise_error_and_quit "$msg"
+    if [[ ! $(python3.13 --version) ]]; then
+        local msg="Requires Python 3.13"
+        quit_with_help_dialog "$msg"
     fi
-    logger INFO "Found Python version: $pyver"
 }
 watcher_deps(){
     if [[ ! $(command -v wmctrl) ]] && [[ ! $(command -v xdotool) ]]; then
@@ -314,6 +335,8 @@ check_unmerged(){
     fi
 }
 check_version(){
+    echo "# Checking version"
+    [[ -n $reference_branch ]] && return
     local version_url=$(format_version_url)
     local upstream=$(curl -Ls "$version_url" | awk -F= '/^version=/ {print $2}')
     local res=$(get_response_code "$version_url")
@@ -377,10 +400,11 @@ prompt_dl(){
 dl_changelog(){
     local mdbranch
     local md
+    source "$config_file"
     [[ $branch == "stable" ]] && mdbranch="dzgui"
     [[ $branch == "testing" ]] && mdbranch="testing"
-    local md="$url_prefix/${mdbranch}/$file"
-    curl -Ls "$md" > "$state_path/CHANGELOG.md"
+    local changelog="$url_prefix/${mdbranch}/CHANGELOG.md"
+    curl -Ls "$changelog" > "$state_path/CHANGELOG.md"
 }
 test_display_mode(){
     pgrep -a gamescope | grep -q "generate-drm-mode"
@@ -391,6 +415,7 @@ test_display_mode(){
     fi
 }
 check_architecture(){
+    echo "# Checking system architecture"
     local cpu=$(< /proc/cpuinfo awk -F": " '/AMD Custom APU [0-9]{4}$/ {print $2; exit}')
     read -a APU_MODEL <<< "$cpu"
     if [[ ${APU_MODEL[3]} != "0932" ]] && [[ ${APU_MODEL[3]} != "0405" ]]; then
@@ -407,6 +432,7 @@ check_architecture(){
     logger INFO "Setting architecture to 'Steam Deck'"
 }
 check_map_count(){
+    echo "# Checking map count"
     [[ $is_steam_deck -gt 0 ]] && return 0
     local map_count_file="/proc/sys/vm/max_map_count"
     local min_count=1048576
@@ -456,6 +482,7 @@ tdialog(){
     $steamsafe_zenity --info --text="$1" "${zenity_flags[@]}"
 }
 steam_deps(){
+    echo "# Checking Steam"
     local flatpak
     local steam
     [[ $(command -v flatpak) ]] && flatpak=$(flatpak list | grep valvesoftware.Steam)
@@ -464,50 +491,64 @@ steam_deps(){
         local msg="Found neither Steam nor Flatpak Steam"
         raise_error_and_quit "$msg"
         exit 1
-    elif [[ -n "$steam" ]] && [[ -n "$flatpak" ]]; then
-        [[ -n $preferred_client ]] && return 0
-        if [[ -z $preferred_client ]]; then
-            preferred_client="steam"
-        fi
-    elif [[ -n "$steam" ]]; then
-        preferred_client="steam"
-    else
-        preferred_client="flatpak"
     fi
-    update_config
-    logger INFO "Preferred client set to '$preferred_client'"
-}
-migrate_files(){
-    if [[ ! -f $config_path/dztuirc.oldapi ]]; then
-        cp $config_file $config_path/dztuirc.oldapi
-        logger INFO "Migrated old API file"
-    fi
-    [[ ! -f $hist_file ]] && return
-    rm $hist_file
-    logger INFO "Wiped old history file"
 }
 stale_symlinks(){
+    echo "# Cleaning stale symlinks"
     local game_dir="$steam_path/steamapps/common/DayZ"
-    for l in $(find "$game_dir" -xtype l); do
-        logger DEBUG "Updating stale symlink '$l'"
-        unlink "$l"
+    readarray -t links < <(find "$game_dir" -xtype l)
+    for link in "${links[@]}"; do
+        logger DEBUG "Updating stale symlink '$link'"
+        unlink "$link"
     done
 }
+
+check_availability() {
+    if [[ -z $1 ]]; then
+        return 1
+    fi
+    local url=$1
+    local timeout_sec="1"
+    if [[ $2 ]]; then
+        timeout_sec=$2
+    fi
+    if ! ping -w "$timeout_sec" "$url" > /dev/null 2>&1; then
+        logger WARN "Failed to reach $url, service may be down."
+        return 1
+    fi
+}
+
 local_latlon(){
+    echo "# Checking coordinates"
     if [[ -z $(command -v dig) ]]; then
-        local local_ip=$(curl -Ls "https://ipecho.net/plain")
+        local url_ipecho="https://ipecho.net/plain"
+        if ! check_availability "ipecho.net"; then
+            logger WARN "Failed to get external ip address, ipecho.net service may be down."
+            return 1
+        fi
+        local local_ip=$(curl -Ls "$url_ipecho")
     else
+        # TODO : implement checking remote
         local local_ip=$(dig -4 +short myip.opendns.com @resolver1.opendns.com)
     fi
-    local url="http://ip-api.com/json/$local_ip"
-    local res=$(curl -Ls "$url" | jq -r '"\(.lat)\n\(.lon)"')
+    if calc_local_coords "$local_ip"; then
+        return 0
+    fi
+    local url_ip_api="http://ip-api.com/json/$local_ip"
+    if ! check_availability "ip-api.com"; then
+        logger WARN "Failed to get local coordinates, ip-api.com service may be down."
+        return 1
+    fi
+    local res=$(curl -Ls "$url_ip_api" | jq -r '"\(.lat)\n\(.lon)"')
     if [[ -z "$res" ]]; then
         logger WARN "Failed to get local coordinates"
         return 1
     fi
     echo "$res" > "$coords_file"
 }
+
 lock(){
+    echo "# Setting up lock file"
     [[ ! -f $lock_file ]] && touch $lock_file
     local pid=$(cat $lock_file)
     ps -p $pid -o pid= >/dev/null 2>&1
@@ -526,9 +567,12 @@ get_hash(){
     md5sum "$1" | awk '{print $1}'
 }
 fetch_a2s(){
-    # this file is currently monolithic
-    [[ -d $helpers_path/a2s ]] && { logger INFO "A2S helper is current"; return 0; }
-    local sha=c7590ffa9a6d0c6912e17ceeab15b832a1090640
+    sum="d26da2fe03df2b95436f823f0496887b"
+    if [[ -d $helpers_path/a2s ]] && [[ $(get_hash "$helpers_path/a2s/info.py") == $sum ]]; then
+        logger INFO "A2S helper is current"
+        return 0
+    fi
+    local sha=b40eb24cdbb06ebd08272f224257fe5a81610e86
     local author="yepoleb"
     local repo="python-a2s"
     local url="https://github.com/$author/$repo/tarball/$sha"
@@ -542,13 +586,13 @@ fetch_a2s(){
     logger INFO "Updated A2S helper to sha '$sha'"
 }
 fetch_dzq(){
-    local sum="0a334e1e144e76e560419d155435c91e"
+    local sum="0d316badbb8d943c5f078e73862cac3e"
     local file="$helpers_path/a2s/dayzquery.py"
     if [[ -f $file ]] && [[ $(get_hash "$file") == $sum ]]; then
         logger INFO "DZQ is current"
         return 0
     fi
-    local sha=a22a9f428cbe075d7dda62f78000296955eea92a
+    local sha="07483b88ed096327ebca752f5e177011b604d7fe"
     local author="yepoleb"
     local repo="dayzquery"
     local url="https://raw.githubusercontent.com/$author/$repo/$sha/dayzquery.py"
@@ -585,12 +629,12 @@ fetch_helpers_by_sum(){
     [[ -f "$config_file" ]] && source "$config_file"
     declare -A sums
     sums=(
-        ["funcs"]="65134f86b7c9e14173e05d8e3ebea101"
+        ["funcs"]="1cd26343cd68a5382e3377a9757497fa"
         ["query_v2.py"]="55d339ba02512ac69de288eb3be41067"
         ["servers.py"]="ed442c3aecf33f777d59dcf53650d263"
-        ["ui.py"]="f03879f088ad074f2ce3c92607c30202"
+        ["ui.py"]="cf52a3d5883afe02a013d8673df494fa"
         ["vdf2json.py"]="2f49f6f5d3af919bebaab2e9c220f397"
-        ["pefile.py"]="21531f2c0d9dfa5f110cf6779f9d22c0"
+        ["pefile.py"]="b452974a84bff1d821872fcebf59e380"
     )
     local author="aclist"
     local repo="dztui"
@@ -609,6 +653,10 @@ fetch_helpers_by_sum(){
         realbranch="dzgui"
     fi
 
+    if [[ -n $reference_branch ]]; then
+        realbranch="$reference_branch"
+    fi
+
     for i in "${!sums[@]}"; do
         file="$i"
         sum="${sums[$i]}"
@@ -646,15 +694,12 @@ fetch_km_helper(){
 }
 get_response_code(){
     local url="$1"
-    curl -Ls -I -o /dev/null -w "%{http_code}" "$url"
-}
-raise_error_and_quit(){
-    echo "$1"
-    exit 1
+    curl --connect-timeout 3 -Ls -I -o /dev/null -w "%{http_code}" "$url"
 }
+
 fetch_ip_db(){
     parse_dl_url(){
-        curl -Ls "$url" \
+        curl --connect-timeout 3 -Ls "$url" \
         | grep "csv.gz" \
         | awk -F"['']" '{print $2}'
     }
@@ -670,6 +715,9 @@ fetch_ip_db(){
     fetch(){
         logger INFO "Triggering fetch routine"
         local url="$1"
+        local ip_file="${state_path}/ips.csv"
+        local base_file="${state_path}/${this_month}.csv.gz"
+        local extracted_file="${state_path}/${this_month}.csv"
 
         curl -Ls "$url" > "$base_file"
         if [[ $? -ne 0 ]]; then
@@ -689,7 +737,7 @@ fetch_ip_db(){
             logger WARN "Abnormal exit while parsing IPs"
             return
         fi
-        rm "${state_path}/${month}.csv"
+        rm "${state_path}/${this_month}.csv"
 
         readarray -t records < <(cat $ip_file | awk -F, 'NR==1 {print $1} END {print $1}')
         if [[ ${records[0]} != "0.0.0.0" ]] && [[ ${records[1]} != "224.0.0.0" ]]; then
@@ -704,55 +752,57 @@ fetch_ip_db(){
             rm "$ip_file"
         fi
 
-        echo "$month" > "$month_file"
-        logger INFO "Wrote '$month' to stub '$month_file'"
+        echo "$this_month" > "$month_file"
+        logger INFO "Wrote '$this_month' to stub '$month_file'"
         logger INFO "Updated '$ip_file'"
     }
 
+    check_remote(){
+        local url="$1"
+        local res=$(get_response_code "$url")
+        if [[ $res -ne 200 ]]; then
+            logger WARN "Failed to retrieve remote resource: '$url' ($res)"
+            return
+        fi
+        logger INFO "Resolved remote URL: '$url'"
+
+        # test dl url
+        local dl_url="$(parse_dl_url)"
+        local res=$(get_response_code "$dl_url")
+        if [[ $res -ne 200 ]]; then
+            logger WARN "Remote resource unavailable: '$dl_url' ($res)"
+            return
+        fi
+        logger INFO "Resolved download URL: '$dl_url'"
+        fetch "$dl_url"
+    }
+
     local url="https://db-ip.com/db/download/ip-to-city-lite"
-    local month_file="${state_path}/.month"
-    local ip_file="${state_path}/ips.csv"
-
-    # test main url
-    local res=$(get_response_code "$url")
-    if [[ $res -ne 200 ]]; then
-        logger WARN "Failed to retrieve remote resource: '$url' ($res)"
-        return
-    fi
-    logger INFO "Resolved remote URL: '$url'"
-
-    # test dl url
-    local dl_url="$(parse_dl_url)"
-    local res=$(get_response_code "$dl_url")
-    if [[ $res -ne 200 ]]; then
-        logger WARN "Remote resource unavailable: '$dl_url' ($res)"
-        return
-    fi
-    logger INFO "Resolved download URL: '$dl_url'"
-
-    local month=$(parse_dl_url_date "$dl_url")
-    local base_file="${state_path}/${month}.csv.gz"
-    local extracted_file="${state_path}/${month}.csv"
+    month_file="${state_path}/.month"
+    this_month=$(date +%Y-%m)
 
     # no stub file
     if [[ ! -f $month_file ]]; then
         logger WARN "No stub file '$month_file' present"
-        fetch "$dl_url"
-        return
-    fi
-
-    # local needs update
-    local last_month=$(< "$month_file")
-    if [[ $last_month != "$month" ]]; then
-        logger WARN "Local stub '$last_month' does not match remote stub '$month'"
-        fetch "$dl_url"
+        check_remote "$url"
         return
     fi
 
     # if stub is same date, abort
-    logger INFO "Local stub '$last_month' is identical to remote, skipping"
+    local last_month=$(< "$month_file")
+    if [[ $last_month == "$this_month" ]]; then
+        logger INFO "Local stub '$last_month' is identical to remote, skipping"
+        return
+    fi
+
+    # local needs update
+    logger WARN "Local stub '$last_month' does not match '$this_month'"
+    check_remote "$url"
+    return
+
 }
 fetch_helpers(){
+    echo "# Checking helper files"
     fetch_a2s
     fetch_dzq
     fetch_km_helper
@@ -851,12 +901,26 @@ file_picker(){
 }
 find_library_folder(){
     local search_path="$1"
-    steam_path="$(python3 "$helpers_path/vdf2json.py" -i "$1/steamapps/libraryfolders.vdf" \
-        | jq -r '.libraryfolders[]|select(.apps|has("221100")).path')"
-    if [[ ! $? -eq 0 ]] || [[ -z $steam_path ]]; then
+    readarray -t paths < <(python3.13 "$helpers_path/vdf2json.py" -i "$1/steamapps/libraryfolders.vdf" \
+        | jq -r '.libraryfolders[]|select(.apps|has("221100")).path')
+    if [[ ! $? -eq 0 ]]; then
         logger WARN "Failed to parse Steam path using '$search_path'"
         return 1
     fi
+    if [[ ${#paths[@]} -eq 0 ]]; then
+        logger WARN "No valid VDF paths in '$search_path'"
+        return 1
+    fi
+    if [[ ${#paths[@]} -gt 1 ]]; then
+        for path in "${paths[@]}"; do
+            if [[ -d "$path" ]]; then
+                steam_path="$path"
+                break
+            fi
+        done
+    else
+        steam_path="${paths[0]}"
+    fi
     logger INFO "Steam path resolved to: $steam_path"
 }
 create_config(){
@@ -865,6 +929,7 @@ create_config(){
     unset default_steam_path
     unset steam_path
 
+    preferred_client="steam"
     while true; do
         local player_input="$($steamsafe_zenity \
             --forms \
@@ -925,6 +990,7 @@ create_config(){
     done
 }
 varcheck(){
+    echo "# Checking config file"
     local msg="Config file '$config_file' missing. Start first-time setup now?"
     local msg2="The Steam paths set in your config file appear to be invalid (DayZ was moved or uninstalled). Restart first-time setup now?"
     if [[ ! -f $config_file ]]; then
@@ -938,7 +1004,7 @@ varcheck(){
     source "$config_file"
     local workshop_dir="$steam_path/steamapps/workshop/content/$aid"
     local game_dir="$steam_path/steamapps/common/DayZ"
-    if [[ ! -d $steam_path ]] || [[ ! -d $game_dir ]] || [[ ! $(find $game_dir -type f) ]]; then
+    if [[ ! -d $steam_path ]] || [[ ! -d $game_dir ]] || [[ ! $(find "$game_dir" -type f) ]]; then
         logger WARN "DayZ path resolved to '$game_dir'"
         logger WARN "Workshop path resolved to '$workshop_dir'"
         qdialog "$msg2" "Yes" "Exit"
@@ -949,18 +1015,16 @@ varcheck(){
         create_config
         return 0
     fi
-    if [[ $src_path != $(realpath "$0") ]]; then
-        src_path=$(realpath "$0")
-        update_config
-    fi
 }
 is_dzg_downloading(){
+    echo "# Checking DayZ"
     if [[ -d $steam_path ]] && [[ -d $steam_path/downloading/$aid ]]; then
         logger WARN "DayZ may be scheduling updates"
         return 0
     fi
 }
 is_steam_running(){
+    echo "# Checking Steam"
     local res=$(ps aux | grep "steamwebhelper" | grep -v grep)
     if [[ -z $res ]]; then
         logger WARN "Steam may not be running"
@@ -973,6 +1037,7 @@ get_response_code(){
     curl -Ls -I -o /dev/null -w "%{http_code}" "$url"
 }
 test_connection(){
+    echo "# Testing connection"
     declare -A hr
     local res1
     local res2
@@ -1006,6 +1071,7 @@ legacy_cols(){
     mv $cols_file.new $cols_file
 }
 stale_mod_signatures(){
+    echo "# Checking stale mods"
     [[ ! -f "$versions_file" ]] && return
     local workshop_dir="$steam_path/steamapps/workshop/content/$aid"
     if [[ -d $workshop_dir ]]; then
@@ -1019,18 +1085,48 @@ stale_mod_signatures(){
 
 }
 create_new_links(){
+    echo "# Setting up symlinks"
     "$func_helper" "update_symlinks"
 }
+calc_local_coords(){
+    local ip="$1"
+    [[ ! -f "$geo_helper" ]] && return 1
+
+    IFS="." read -ra split <<< "$ip"
+    [[ ${#split[@]} -ne 4 ]] && return 1
+
+    prefix="^${split[0]}.${split[1]}."
+    readarray -t res < <(grep "$prefix" "$geo_helper")
+
+    for address in "${res[@]}"; do
+        IFS="," read -ra fields <<< "$address"
+        upper="${fields[1]}"
+        IFS="." read -ra upper_digits <<< "$upper"
+        if [[ ${split[2]} -gt ${upper_digits[2]} ]]; then
+            continue
+        fi
+        if [[ ${split[2]} -eq ${upper_digits[2]} ]]; then
+            if [[ ${split[3]} -gt ${upper_digits[3]} ]]; then
+                continue
+            fi
+            if [[ ${split[3]} -eq ${upper_digits[3]} ]]; then
+                echo "${fields[-2]}" >> "$coords_file"
+                echo "${fields[-1]}" >> "$coords_file"
+                return 0
+            fi
+        fi
+        if [[ ${split[2]} -lt ${upper_digits[2]} ]]; then
+            echo "${fields[-2]}" >> "$coords_file"
+            echo "${fields[-1]}" >> "$coords_file"
+            return 0
+        fi
+    done
+    return 1
+}
 initial_setup(){
-    setup_dirs
-    setup_state_files
-    depcheck
-    check_pyver
-    test_gobject
-    watcher_deps
     check_architecture
     test_connection
-    fetch_helpers > >(pdialog "Checking helper files")
+    fetch_helpers
     varcheck
     source "$config_file"
     lock
@@ -1039,14 +1135,12 @@ initial_setup(){
     check_version
     check_map_count
     steam_deps
-    migrate_files
     stale_symlinks
     stale_mod_signatures
     create_new_links
     local_latlon
     is_steam_running
     is_dzg_downloading
-    print_config_vals
 }
 uninstall(){
     _full(){
@@ -1090,22 +1184,82 @@ uninstall(){
     rm "$self"
     echo "Uninstall routine complete"
 }
+
+usage(){
+cat <<- EOM
+DZGUI - Free and Open Source DayZ launcher
+
+Usage:
+
+  dzgui.sh [options]
+
+Description:
+
+  When no option is provided, the script launches DZGUI.
+
+Options:
+
+  -u, --uninstall:
+      Uninstalls the software
+
+  -v, --version:
+      Prints the version
+
+  -h, --help:
+      Prints this message
+EOM
+}
+
 main(){
-    local zenv=$(zenity --version 2>/dev/null)
+    # setup zenity environment
+    local zenv=""
+    zenv=$(zenity --version 2>/dev/null)
     [[ -z $zenv ]] && { echo "Requires zenity >= ${deps[$steamsafe_zenity]}"; exit 1; }
-    if [[ $1 == "--uninstall" ]] || [[ $1 == "-u" ]]; then
-        uninstall &&
-        exit 0
-    fi
+
+    # parse arguments
+    while [[ $# -gt 0 ]]; do
+        case $1 in
+            "--uninstall" | "-u")
+                uninstall
+                exit 0
+                # shift
+                ;;
+            "--version" | "-v")
+                echo $version
+                exit 0
+                # shift
+                ;;
+            "--help" | "-h")
+                usage
+                exit 0
+                # shift
+                ;;
+            *)
+                echo "Unrecognized command!"
+                return 1
+        esac
+    done
 
     set_im_module
 
-    printf "Initializing setup...\n"
-    initial_setup
+    printf "Checking dependencies...\n"
+    setup_dirs
+    setup_state_files
+    depcheck
+    check_pyver
+    test_gobject
+    watcher_deps
+
+    initial_setup > >(pdialog "Initializing setup")
 
     printf "All OK. Kicking off UI...\n"
-    python3 "$ui_helper" "--init-ui" "$version" "$is_steam_deck"
+    python3.13 "$ui_helper" "--init-ui" "$version" "$is_steam_deck"
+
 }
-main "$@"
-#TODO: tech debt: cruddy handling for steam forking
-[[ $? -eq 1 ]] && pkill -f dzgui.sh
+
+if [[ $(basename "$0") == "dzgui.sh" ]]; then
+   main "$@"
+
+   #TODO: tech debt: cruddy handling for steam forking
+   [[ $? -eq 1 ]] && pkill -f dzgui.sh
+fi

helpers/funcs

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 set -o pipefail
-version="6.0.0-beta.8"
+version="6.0.5-beta.2"
 
 #CONSTANTS
 aid=221100
@@ -51,6 +51,7 @@ _cache_binary="$cache_dir/$prefix.binary"
 _cache_coords="$cache_path/$prefix.coords"
 _cache_cooldown="$cache_path/$prefix.cooldown"
 _cache_lan="$cache_path/$prefix.lan"
+_cache_src_path="$cache_path/$prefix.src"
 
 #XDG
 freedesktop_path="$HOME/.local/share/applications"
@@ -87,17 +88,14 @@ steam_api_url="https://steamcommunity.com/dev/apikey"
 battlemetrics_api_url="https://www.battlemetrics.com/developers"
 bm_api="https://api.battlemetrics.com/servers"
 
-if [[ $preferred_client == "steam" ]]; then
-    steam_cmd="steam"
-else
-    steam_cmd="flatpak run com.valvesoftware.Steam"
-fi
+steam_cmd="$preferred_client"
 
 declare -A funcs=(
 ["Highlight stale"]="find_stale_mods"
 ["Change player name"]="update_config_val"
 ["Change Steam API key"]="update_config_val"
 ["Change Battlemetrics API key"]="update_config_val"
+["Change client"]="update_config_val"
 ["Change favorite server"]="add_record"
 ["Add server by IP"]="add_record"
 ["Add server by ID"]="add_record"
@@ -288,7 +286,7 @@ a2s(){
     local mode="$3"
     logger INFO "Querying '$ip:$qport' with mode '$mode'"
     local res
-    res=$(python3 "$query_helper" "$ip" "$qport" "$mode")
+    res=$(python3.13 "$query_helper" "$ip" "$qport" "$mode")
     if [[ $? -eq 1 ]]; then
         res=$(try_fallback "$ip" "$qport" "$mode")
         if [[ $? -eq 1 ]]; then
@@ -311,7 +309,7 @@ is_in_favs(){
 find_id(){
     local file="$default_steam_path/config/loginusers.vdf"
     [[ ! -f $file ]] && return 1
-    local res=$(python3 "$helpers_path/vdf2json.py" \
+    local res=$(python3.13 "$helpers_path/vdf2json.py" \
     -i "$file" \
     | jq -r '.users
         |to_entries[]
@@ -340,7 +338,7 @@ list_mods(){
             name=$(awk -F\" '/name/ {print $2}' "${dir}/meta.cpp")
             base_dir=$(basename $(readlink -f $game_dir/$symlink))
             size=$(du -s "$(readlink -f "$game_dir/$symlink")" | awk '{print $1}')
-            size=$(python3 -c "n=($size/1024) +.005; print(round(n,4))")
+            size=$(python3.13 -c "n=($size/1024) +.005; print(round(n,4))")
             LC_NUMERIC=C printf "%s$sep%s$sep%s$sep%3.3f\n" "$name" "$symlink" "$base_dir" "$size"
         done | sort -k1)
         # user may have manually pruned mods out-of-band
@@ -369,6 +367,10 @@ local_latlon(){
 get_dist(){
     shift
     local given_ip="$1"
+    if [[ ! -f $_cache_coords ]]; then
+        printf "Unknown"
+        return
+    fi
     readarray -t coords < "$_cache_coords"
     readarray -t n < <(<<< "$given_ip" awk 'BEGIN{RS="."}{$1=$1}1')
 
@@ -395,6 +397,7 @@ get_dist(){
         logger INFO "Distance: $dist km"
     fi
 }
+
 query_config(){
     [[ -n $2 ]] && local key=$2
     keys=(
@@ -420,6 +423,7 @@ query_config(){
         echo "${!i}"
     done
 }
+
 align_versions_file(){
     shift
     local mod="$1"
@@ -585,9 +589,6 @@ default_steam_path="$default_steam_path"
 
 #Preferred Steam launch command (for Flatpak support)
 preferred_client="$preferred_client"
-
-#DZGUI source path
-src_path="$src_path"
 END
 }
 format_version_url(){
@@ -641,6 +642,7 @@ download_new_version(){
         return 1
     fi
     local version_url="$(format_version_url)"
+    local src_path="$(< "$_cache_src_path")"
     mv "$src_path" "$src_path.old"
     curl -Ls "$version_url" > "$src_path"
     rc=$?
@@ -688,6 +690,7 @@ toggle(){
                 auto_install="1"
             else
                 auto_install=""
+                rm "$versions_file"
             fi
             ;;
         Toggle[[:space:]]debug[[:space:]]mode)
@@ -697,13 +700,6 @@ toggle(){
                 debug=""
             fi
             ;;
-        Toggle[[:space:]]Steam/Flatpak)
-            if [[ $preferred_client == "steam" ]]; then
-                preferred_client="flatpak"
-            else
-                preferred_client="steam"
-            fi
-            ;;
         Toggle[[:space:]]DZGUI[[:space:]]fullscreen[[:space:]]boot)
             if [[ $fullscreen == "true" ]]; then
                 fullscreen="false"
@@ -802,6 +798,9 @@ update_config_val(){
     local context="$1"
     local value="$2"
     case $1 in
+        "Change client")
+            key="preferred_client"
+            ;;
         "Change player name")
             key="name"
             if [[ -z "${value// }" ]]; then
@@ -827,7 +826,6 @@ update_config_val(){
     declare -n nr=$key
     nr="$value"
     update_config
-    echo "Updated the key '$key' to '$value'"
     return 80
 }
 show_log(){
@@ -932,13 +930,19 @@ query_defunct(){
     <<< "$result" awk '{print $2}'
 }
 encode(){
-    echo "$1" | md5sum | cut -c -8
+    echo -n "$1" | md5sum | cut -c -8
 }
 compare(){
     local modlist="$@"
     diff=$(comm -23 <(<<< "$modlist" sort -u) <(installed_mods | sort))
     echo "$diff"
 }
+unlink_all(){
+    readarray -t links < <(find "$game_dir" -maxdepth 1 -mindepth 1 -type l)
+    for link in "${links[@]}"; do
+        unlink "$link"
+    done
+}
 legacy_symlinks(){
     logger INFO "Removing legacy symlinks"
 
@@ -1029,7 +1033,10 @@ update_symlinks(){
     if [[ ! -d "$workshop_dir" ]]; then
         return
     fi
-    legacy_symlinks
+    if [[ ! -d "$game_dir" ]]; then
+        return
+    fi
+    unlink_all
     symlinks
 }
 try_fallback(){
@@ -1080,41 +1087,42 @@ try_connect(){
     local appid="$2"
     local binary="$3"
 
-    local ip=$(<<< $record awk -F: '{print $1}')
-    local gameport=$(<<< $record awk -F: '{print $2}')
-    local qport=$(<<< $record awk -F: '{print $3}')
+    IFS=":" read -ra address <<< "$record"
+    local ip
+    local gameport
+    local qport
+    ip=${address[0]}
+    gameport=${address[1]}
+    qport=${address[2]}
 
-    [[ $appid -eq $exp ]] && echo "$binary" > $_cache_binary
+    [[ $appid -eq $exp ]] && echo "$binary" > "$_cache_binary"
 
     local remote_mods
-    remote_mods=$(a2s $ip $qport rules)
+    remote_mods=$(a2s "$ip" "$qport" rules)
     if [[ $? -eq 1 ]]; then
         printf "Failed to fetch server modlist, possibly timed out"
         return 1
     fi
-    logger INFO "Server returned modlist: $(<<< $remote_mods tr '\n' ' ')"
-    local sanitized_mods=$(query_defunct "$remote_mods")
-    local diff=$(compare "$sanitized_mods")
+    logger INFO "Server returned modlist: $(<<< "$remote_mods" tr '\n' ' ')"
+
+    local sanitized_mods
+    sanitized_mods=$(query_defunct "$remote_mods")
 
     logger INFO "Connection attempt for $ip:$qport"
     update_history "$record"
 
-    if [[ -n $auto_install ]]; then
-        logger INFO "Merging modlists"
-        diff=$(merge_modlists "$diff")
-        diff=$(query_defunct "$diff")
-    fi
-    if [[ -n $diff ]]; then
-        if [[ $(check_architecture) -eq 1 ]] && [[ $(test_display_mode) == "gm" ]]; then
-            printf "Use Desktop Mode to download mods on Steam Deck"
-            return 1
-        fi
-        case $auto_install in
-            "") manual_mod_install "$ip" "$gameport" "$diff" "$sanitized_mods" "" "$appid";;
-            1|2) manual_mod_install "$ip" "$gameport" "$diff" "$sanitized_mods" "auto" "$appid" ;;
-        esac
-    else
+    case $auto_install in
+        "") install_mods "$sanitized_mods" "manual" ;;
+        1|2) install_mods "$sanitized_mods" "auto" ;;
+    esac
+
+    # NOTE: clean diff indicates that all requisite mods were downloaded
+    diff=$(compare "$sanitized_mods")
+    if [[ -z $diff ]]; then
         launch "$ip" "$gameport" "$sanitized_mods" "$appid"
+    else
+        printf "User aborted download process, or some mods may have failed to download. Try connecting again to resync."
+        exit 1
     fi
 }
 check_architecture(){
@@ -1130,13 +1138,15 @@ force_update(){
         printf "Only available when mod auto-install is ON"
         return 1
     fi
+    # NOTE: forcibly regenerate signatures by removing file
     rm "$versions_file"
-    local update=$(check_timestamps)
-    manual_mod_install "null" "null" "$update" "null" "force" "null"
+    local mods
+    mods=$(ls -1 "$workshop_dir")
+    install_mods "$mods" "force"
     echo "Finished requesting mod updates."
     return 0
 }
-get_local_stamps(){
+get_timestamps(){
     readarray -t modlist < <(printf "%s\n" "$@")
     local max="${#modlist[@]}"
     _concat(){
@@ -1161,67 +1171,6 @@ update_stamps(){
         printf "%s\n" "${stamps[$i]}" >> $versions_file
     done
 }
-check_timestamps(){
-    readarray -t local_modlist < <(ls -1 $workshop_dir)
-    local max=${#local_modlist[@]}
-    logger INFO "Local mod count: $max"
-    [[ $max -eq 0 ]] && return 1
-    local local_stamps=$(get_local_stamps "${local_modlist[@]}")
-    if [[ -z $local_stamps ]]; then
-        logger WARN "Timestamp query returned empty response"
-        return 1
-    fi
-    local aligned=$(<<< "$local_stamps" jq -r '.response.publishedfiledetails[]|"\(.publishedfileid),\(.time_updated)"')
-    readarray -t remote_ids < <(<<< "$aligned" awk -F, '{print $1}')
-    readarray -t remote_times < <(<<< "$aligned" awk -F, '{print $2}')
-
-    if [[ ! -f $versions_file ]]; then
-        logger INFO "No prior versions file found, creating"
-        update_stamps "$aligned"
-        #force refresh all mods if versions file was missing
-        printf "%s\n" "${remote_ids[@]}"
-        return 0
-    fi
-
-    readarray -t old_ids < <(< $versions_file awk -F, '{print $1}')
-    readarray -t old_times < <(< $versions_file awk -F, '{print $2}')
-
-    declare -A remote_version
-    declare -A local_version
-
-    for((i = 0; i < ${#remote_ids[@]}; ++i)); do
-        remote_version[${remote_ids[$i]}]=${remote_times[$i]}
-    done
-
-    needs_update=()
-    for((i=0;i<${#old_ids[@]};i++)); do
-        local id=${old_ids[$i]}
-        local time=${old_times[$i]}
-        if [[ $time != ${remote_version[$id]} ]]; then
-                logger WARN "Mod '$id' timestamp '$time' != '${remote_version[$id]}'"
-                needs_update+=($id)
-        fi
-    done
-    printf "%s\n" "${needs_update[@]}"
-}
-merge_modlists(){
-    local diff="$1"
-    _sort(){
-        printf "%s\n" "$diff"
-        printf "%s\n" "${needs_update[@]}"
-    }
-    readarray -t needs_update < <(check_timestamps)
-    if [[ -z ${needs_update[@]} ]]; then
-        echo "$diff"
-        return 0
-    fi
-    if [[ -z "$diff" ]] && [[ ${#needs_update[@]} -gt 0 ]]; then
-        printf "%s\n" "${needs_update[@]}"
-    else
-        # remove duplicates
-        _sort | sort -u
-    fi
-}
 concat_mods(){
     readarray -t concat_arr <<< "$@"
     local id
@@ -1263,7 +1212,7 @@ launch(){
 
     if [[ $debug -eq 1 ]]; then
         local launch_options="$steam_cmd -applaunch $appid -connect=$ip:$gameport -nolauncher -nosplash -name=$name -skipintro -mod=$concat"
-        printf "Debug mode: these options would have been used to launch the game: $launch_options"
+        printf "Debug mode: these options would have been used to launch the game: %s" "$launch_options"
         return 0
     fi
     echo "$concat" > "$_cache_launch"
@@ -1299,75 +1248,121 @@ final_handshake(){
     printf "\n"
     return 6
 }
-manual_mod_install(){
-    local ip="$1"
-    local gameport="$2"
-    local diff="$3"
-    local sanitized_mods="$4"
-    local mode="$5"
-    local appid="$6"
-    local ex="$state_path/dzg.watcher"
+watcher(){
+    local -n to_download="$1"
+    local -n signatures="$2"
+    local mode="$3"
 
-    readarray -t stage_mods <<< "$diff"
-    [[ -f $ex ]] && rm $ex
+    declare -i i=0
+    local remote_time
+    local length
+    length=${#to_download[@]}
+    for mod in "${!to_download[@]}"; do
+        remote_time=${to_download[$mod]}
+        [[ -f $ex ]] && return 1
+        case $mode in
+            "auto" | "force")
+                $steam_cmd "steam://url/CommunityFilePage/${mod}+workshop_download_item ${aid} ${mod}"
+                echo "# Opening workshop page for ${mod}. If you see no progress, you may be out of disk space."
+                ;;
+            *)
+                $steam_cmd "steam://url/CommunityFilePage/${mod}"
+                echo "# Opening workshop page for ${mod}. If you see no progress after subscribing, try unsubscribing and resubscribing again until the download commences."
+                ;;
+        esac
+        sleep 1s
+        foreground
 
-    _watcher(){
-        for((i=0;i<${#stage_mods[@]};i++)); do
+        until [[ -d $downloads_dir/${mod} ]]; do
             [[ -f $ex ]] && return 1
-
-            if [[ $mode == "auto" ]] || [[ $mode == "force" ]]; then
-                $steam_cmd "steam://url/CommunityFilePage/${stage_mods[$i]}+workshop_download_item $aid ${stage_mods[$i]}"
-                echo "# Opening workshop page for ${stage_mods[$i]}. If you see no progress, you may be out of disk space."
-            else
-                $steam_cmd "steam://url/CommunityFilePage/${stage_mods[$i]}"
-                echo "# Opening workshop page for ${stage_mods[$i]}. If you see no progress after subscribing, try unsubscribing and resubscribing again until the download commences."
-            fi
-            sleep 1s
-            foreground
-
-            until [[ -d $downloads_dir/${stage_mods[$i]} ]]; do
-                [[ -f $ex ]] && return 1
-                sleep 0.1s
-                if [[ -d $workshop_dir/${stage_mods[$i]} ]]; then
+            sleep 0.1s
+            # NOTE: fallback for instantaneous downloads
+            if [[ $mode == "auto" || $mode == "force" ]]; then
+                if [[ -d $workshop_dir/${mod} ]]; then
                     break
                 fi
-            done
-
-            foreground
-            if [[ $mode == "auto" ]] || [[ $mode == "force" ]]; then
-                echo "# Steam is downloading ${stage_mods[$i]} (mod $((i+1)) of ${#stage_mods[@]}). You do not need to manually Subscribe."
-            else
-                echo "# Steam is downloading ${stage_mods[$i]} (mod $((i+1)) of ${#stage_mods[@]})"
             fi
-            until [[ -d $workshop_dir/${stage_mods[$i]} ]]; do
-                [[ -f $ex ]] && return 1
-                sleep 0.1s
-            done
-
-            foreground
-            echo "# ${stage_mods[$i]} moved to mods dir"
         done
-        echo "100"
-    }
-    _watcher > >($steamsafe_zenity --pulsate --progress --auto-close --title="DZG Watcher" --width=500 2>/dev/null; rc=$?; [[ $rc -eq 1 ]] && touch $ex)
 
-    if [[ $mode == "force" ]]; then
-        rm "$versions_file"
-        check_timestamps
-        return 0
+        foreground
+        case $mode in
+            "auto" | "force")
+                echo "# Steam is downloading ${mod} (mod $((i+1)) of ${length}). You do not need to manually Subscribe."
+                ;;
+            *)
+                echo "# Steam is downloading ${mod} (mod $((i+1)) of ${length})"
+                ;;
+        esac
+
+        until [[ -d $workshop_dir/${mod} ]]; do
+            [[ -f $ex ]] && return 1
+            sleep 0.1s
+        done
+
+        foreground
+        if [[ ! -v signatures["${mod}"] ]]; then
+            echo "$mod,$remote_time" >> "$versions_file"
+        else
+            sed -i "s/$mod,${signatures[$mod]}/$mod,$remote_time/" "$versions_file"
+        fi
+        echo "# ${mod} moved to mods dir"
+        i+=1
+    done
+    echo "100"
+}
+install_mods(){
+    local sanitized_mods="$1"
+    local mode="$2"
+    local ex="$state_path/dzg.watcher"
+
+    [[ -f $ex ]] && rm "$ex"
+
+    if [[ -f "$versions_file" ]]; then
+        readarray -t local_mods < "$versions_file"
+    else
+        local_mods=()
     fi
 
-    local diff=$(compare "$sanitized_mods")
-    if [[ -z $diff ]]; then
-        if [[ $mode == "auto" ]]; then
-            rm "$versions_file"
-            check_timestamps
+    declare -A mod_signatures
+    local local_id
+    local local_time
+    for mod in "${local_mods[@]}"; do
+        IFS="," read -ra fields <<< "$mod"
+        local_id="${fields[0]}"
+        local_time="${fields[1]}"
+        mod_signatures[$local_id]=$local_time
+    done
+
+    readarray -t remote_mods <<< "$sanitized_mods"
+    declare -A download
+    local remote_timestamps
+    local remote_id
+    local remote_time
+    remote_timestamps=$(get_timestamps "${remote_mods[@]}")
+    for mod in $(<<< "$remote_timestamps" jq -r '.response.publishedfiledetails[]|"\(.publishedfileid),\(.time_updated)"'); do
+        IFS="," read -ra fields <<< "$mod"
+        remote_id="${fields[0]}"
+        remote_time="${fields[1]}"
+
+        # NOTE: mod is not present in versions file
+        if [[ ! -v mod_signatures["$remote_id"] ]]; then
+            download["$remote_id"]=$remote_time
+            continue
         fi
-        launch "$ip" "$gameport" "$sanitized_mods" "$appid"
-    else
-        printf "User aborted download process, or some mods may have failed to download. Try connecting again to resync."
+        # NOTE: mod timestamp is out of date
+        local_time="${mod_signatures["$remote_id"]}"
+        if [[ $remote_time != "$local_time" ]]; then
+            download["$remote_id"]=$remote_time
+            continue
+        fi
+    done
+
+    [[ ${#download[@]} -lt 1 ]] && return
+    if [[ $(check_architecture) -eq 1 ]] && [[ $(test_display_mode) == "gm" ]]; then
+        printf "Use Desktop Mode to download mods on Steam Deck"
         exit 1
     fi
+    watcher download mod_signatures "$mode" > >($steamsafe_zenity --pulsate --progress --auto-close --title="DZG Watcher" --width=500 2>/dev/null; rc=$?; [[ $rc -eq 1 ]] && touch "$ex")
 }
 test_display_mode(){
     pgrep -a gamescope | grep -q "generate-drm-mode"

helpers/latlon.c

@@ -1,36 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-
-#define R 6371
-#define TO_RAD (3.1415926536 / 180)
-double dist(double th1, double ph1, double th2, double ph2)
-{
-	double dx, dy, dz;
-	ph1 -= ph2;
-	ph1 *= TO_RAD, th1 *= TO_RAD, th2 *= TO_RAD;
-
-	dz = sin(th1) - sin(th2);
-	dx = cos(ph1) * cos(th1) - cos(th2);
-	dy = sin(ph1) * cos(th1);
-	return asin(sqrt(dx * dx + dy * dy + dz * dz) / 2) * 2 * R;
-}
-
-int main(int argc, const char * argv[])
-{
-	if(argc < 5 || argc > 5){
-		return 1;
-	}
-	float coords[4];
-	for(int i=1;i<5;i++){
-		if(atof(argv[i]) == 0){
-			return 1;
-		}
-		coords[i] = atof(argv[i]);
-	}
-	
-	double d = dist(coords[1], coords[2], coords[3], coords[4]);
-	printf("%.1f\n", d);
-
-	return 0;
-}

helpers/pefile.py

@@ -295,7 +295,7 @@ def get_dayz_version(file: Path) -> DayZVersion | Exception:
     try:
         version = get_version(file)
     except Exception as e:
-        return e
+        raise e
     patch = str(version.build) + str(version.revision)
     dz_vers = DayZVersion(version.major, version.minor, int(patch))
     return dz_vers

helpers/tools/.gitignore

@@ -0,0 +1 @@
+latlon

helpers/tools/Makefile

@@ -0,0 +1,24 @@
+bin := latlon
+
+CC = gcc
+
+CFLAGS += -Wall
+CFLAGS += -Wextra
+CFLAGS += -Wpedantic
+CFLAGS += -std=c23
+CFLAGS += -O3
+
+LDFLAGS += -lm
+
+PREFIX ?= $(HOME)/.local/share/dzgui
+
+all: $(bin)
+
+install: $(bin)
+	install -Dm 755 $(bin) $(PREFIX)
+
+$(bin): latlon.c
+	$(CC) $(CFLAGS) $^ -o $@ $(LDFLAGS)
+
+clean:
+	rm -f $(bin)

helpers/tools/latlon.c

@@ -0,0 +1,77 @@
+// This small program computes the distance between two points on the Earths
+// surface. The algorithm used for computing is called haversine formula.
+// Source for the algorithm can be found here:
+// https://en.wikipedia.org/wiki/Haversine_formula
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+// Earth's radius in meters.
+#define RADIUS ((12756L / 2.0L) * 1000L)
+
+// PI natural constant
+#define PI 3.1415926536L
+
+// coordinates struct for storing points
+struct Coordinate {
+    double latitude;
+    double longitude;
+};
+
+/**
+ * @brief Calculates a radian value from an angle
+ */
+double radian_from(const double angle) {
+    return (angle * PI) / 180;
+}
+
+/**
+ * @brief Calculate the haversine function from an angle in radian
+ */
+double haversine(const double angle) { return ((1.0L - cos(angle)) / 2); }
+
+/**
+ * @brief Calculate the distance between two coordinates
+ */
+double great_circle_distance(const struct Coordinate a,
+                             const struct Coordinate b) {
+
+    // calculate longitude and latitude differences
+    struct Coordinate diff_coord = {
+        .longitude = a.longitude - b.longitude,
+        .latitude  = a.latitude - b.latitude,
+    };
+
+    // calculate haversine(theta) value, where theta is the angle between the
+    // two coordinates
+    double hav_theta = haversine(diff_coord.latitude)
+                       + cos(a.latitude) * cos(b.latitude) * haversine(diff_coord.longitude);
+
+    // calculate distance from radius, and haversine(theta) values 
+    double distance = 2 * RADIUS * asin(sqrt(hav_theta));
+
+    return distance;
+}
+
+int main(int argc, const char* argv[]) {
+    if (argc < 5 || argc > 5) {
+        return 1;
+    }
+
+    const struct Coordinate a = {
+        .latitude  = radian_from(atof(argv[1])),
+        .longitude = radian_from(atof(argv[2])),
+    };
+    const struct Coordinate b = {
+        .latitude  = radian_from(atof(argv[3])),
+        .longitude = radian_from(atof(argv[4])),
+    };
+
+    // Returns the distance in meters.
+    // To pretty-print the result in a consumer of this module, it is
+    // recommended to divide the result by 1,000 and round it.
+    printf("%.1f\n", great_circle_distance(a, b));
+
+    return 0;
+}