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249 lines
6.9 KiB
Bash
249 lines
6.9 KiB
Bash
#!/bin/bash
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#this generates a yad-friendly app list. This is run every time the gui script is executed.
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#if this script detects nothing has changed since last run, then it will echo back the app list that was generated last time.
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DIRECTORY="$(readlink -f "$(dirname "$0")")"
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function error {
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echo -e "\e[91m$1\e[39m" 1>&2
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exit 1
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}
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source "${DIRECTORY}/api" || error "failed to source ${DIRECTORY}/api"
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#yad or xlunch format
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format="$1"
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if [ -z "$format" ];then
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format=yad
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elif [[ "$format" = xlunch* ]];then
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format=xlunch
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elif [ "$format" != 'yad' ] && [ "$format" != 'xlunch' ];then
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error "Unknown list format '$format'!"
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fi
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#specifies an app folder(s)
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prefix="$2"
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timestampfile="${DIRECTORY}/data/preload/timestamps-$(echo "$prefix" | tr -d '/')"
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listfile="${DIRECTORY}/data/preload/LIST-$(echo "$prefix" | tr -d '/')"
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mkdir -p "${DIRECTORY}/data/preload"
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{ #compile the genapplist-yad.c program
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if [ ! -f "${DIRECTORY}/etc/genapplist-yad" ] && [ -f "${DIRECTORY}/etc/genapplist-yad.c" ];then
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echo "Compiling genapplist-yad program..." 1>&2
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command -v gcc >/dev/null || sudo apt install -y gcc 1>&2
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gcc "${DIRECTORY}/etc/genapplist-yad.c" -o "${DIRECTORY}/etc/genapplist-yad" 1>&2 || failed=1
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#Test the program and make sure it outputs 5 lines
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if [ "$(APPS=Arduino DIRECTORY="$DIRECTORY" "${DIRECTORY}/etc/genapplist-yad" | wc -l)" != 5 ];then
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failed=1
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fi
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if [ "$failed" == 1 ];then
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rm -f "${DIRECTORY}/etc/genapplist-yad"
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echo "The genapplist-yad program failed to compile." 1>&2
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else
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echo "Success! The genapplist-yad program has been compiled." 1>&2
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fi
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fi
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}
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mktimestamps() {
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#these directories are checked for changes
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checkdirs="${DIRECTORY}/apps
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${DIRECTORY}/data/settings
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${DIRECTORY}/data/status
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${DIRECTORY}/data/update-status
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${DIRECTORY}/etc"
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timestamps=''
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local IFS=$'\n'
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for dir in $checkdirs
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do
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timestamps="$timestamps
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dir $dir $(stat -c %Y "${dir}/$(ls -t "$dir" | head -n1)")"
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done
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#remove first empty newline and check a few other things for changes too
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timestamps="prefix: $prefix
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format: $format
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number of files: $(ls -1q "${DIRECTORY}/apps"/* | wc -l)
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preload shasum: $(sha256sum "${DIRECTORY}/preload" | awk '{print $1}')
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api shasum: $(sha256sum "${DIRECTORY}/api" | awk '{print $1}')
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structure shasum: $(shasum "${DIRECTORY}/data/categories/structure" | awk '{print $1}')
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${timestamps:1}"
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}
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reloadlist=0
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if [ -f "$timestampfile" ];then
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#get modified timestamps for directories
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mktimestamps
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if [ "$timestamps" == "$(cat "$timestampfile")" ];then
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#if current timestamps and saved timestamps match, then don't reload the list
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reloadlist=0
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echo "Timestamps match." 1>&2
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else
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#timestamps don't match, so reload the list
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reloadlist=1
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echo "Timestamps don't match" 1>&2
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echo -e "original file: $(cat "$timestampfile")\nnew timestamp: $timestamps" 1>&2
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fi
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else
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#timestamp file not found
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reloadlist=1
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fi
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if [ ! -f "$listfile" ] || [ -z "$(cat "$listfile")" ];then
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echo "list file for $prefix does not exist." 1>&2
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reloadlist=1
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fi
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if [ $reloadlist == 1 ];then
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echo "Generating list..." 1>&2
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#for app_categories() and app_status() functions
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source "${DIRECTORY}/api"
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vfiles="$(app_categories | grep . | sort | uniq)" #generate a virtual file system with apps in folders represented as subdirectories
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if [ ! -z "$prefix" ];then
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echo "Showing apps within $prefix/" 1>&2
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vfiles="$(echo "$vfiles" | grep "^$prefix/" | sed "s+$prefix/++g")"
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fi
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#remove apps within categories - show this layer of stuff only.
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vfiles="$(echo "$vfiles" | sed 's+/.*+/+g' | sort | uniq)"
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#get list of apps - excluding folders
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APPS="$(echo "$vfiles" | grep -v '/')"
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#get list of folders - excluding apps - and hide the hidden folder.
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DIRS="$(echo "$vfiles" | grep '/' | tr -d '/' | grep -vx "hidden")"
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#If updates available, show special Updates category
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if "${DIRECTORY}/updater" get-status &>/dev/null;then
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DIRS="Updates
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$DIRS"
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fi
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#shuffle the list if enabled
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if [ "$(cat "${DIRECTORY}/data/settings/Shuffle App list")" == 'Yes' ];then
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APPS="$(echo "$APPS" | shuf)"
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DIRS="$(echo "$DIRS" | shuf)"
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fi
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#remove apps that are not compatible with OS architecture
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PREIFS="$IFS"
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IFS=$'\n'
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for i in $APPS
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do
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#if install script doesn't exist -------------------- and if os-specific install script doesn't exist, then...
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if [ ! -f "${DIRECTORY}/apps/${i}/install" ] && [ ! -f "${DIRECTORY}/apps/${i}/install-${arch}" ];then
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#...remove the app from the list
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echo "Removing $i from the list because it is not compatible with your ${arch}-bit OS." 1>&2
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APPS="$(echo "$APPS" | grep -vx "$i")"
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fi
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done
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IFS="$PREIFS"
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if [ "$format" == yad ];then
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PREIFS="$IFS"
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IFS=$'\n'
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LIST=''
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for i in $DIRS
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do
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if [ -f "${DIRECTORY}/icons/categories/${i}.png" ];then
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diricon="${DIRECTORY}/icons/categories/${i}.png"
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else
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diricon="${DIRECTORY}/icons/categories/default.png"
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fi
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LIST="${LIST}$diricon
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${DIRECTORY}/icons/none-24.png
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$i
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$i/
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App folder
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"
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done #finished preloading categories
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#set to false to disable genapplist-yad program - use the original bash version
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if true && [ -f "${DIRECTORY}/etc/genapplist-yad" ];then
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LIST="$LIST$(DIRECTORY="$DIRECTORY" APPS="$APPS" "${DIRECTORY}/etc/genapplist-yad")
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"
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else
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for i in $APPS
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do
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status1="$(cat "${DIRECTORY}/data/status/${i}" 2>/dev/null || echo "none")"
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status2="$(echo "$status1" | sed 's/none/uninstalled/g')"
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LIST="$LIST$(echo "${DIRECTORY}/icons/$status1.png")
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${DIRECTORY}/apps/${i}/icon-24.png
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$i
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$i
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"\("$status2"\)" $(head -n1 "${DIRECTORY}/apps/${i}/description" || echo "Description unavailable")
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"
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done
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fi #finished preloading apps
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IFS="$PREIFS"
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elif [ "$format" == xlunch ];then
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#XUNCH list format
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PREIFS="$IFS"
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IFS=$'\n'
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LIST=''
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for i in $DIRS
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do
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if [ -f "${DIRECTORY}/icons/categories/${i}-64.png" ];then
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diricon="${DIRECTORY}/icons/categories/${i}-64.png"
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else
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diricon="${DIRECTORY}/icons/categories/default-64.png"
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fi
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LIST="$LIST
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${i};$diricon;${i}/"
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done
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for i in $APPS
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do
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LIST="$LIST
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${i} ($(app_status "${i}"));${DIRECTORY}/apps/${i}/icon-64.png;${i}"
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done
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IFS="$PREIFS"
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fi
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LIST="$(echo -e "$LIST")"
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#save entire list string to file for future use
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echo "$LIST" > "$listfile"
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#save timestamps to file too
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mktimestamps
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echo "$timestamps" > "$timestampfile"
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else
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echo "Reading list file..." 1>&2
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LIST="$(cat "$listfile")"
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fi
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(#put icons in cache
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PREIFS="$IFS"
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IFS=$'\n'
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for icon in $(echo "$LIST" | grep icon-24)
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do
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cat "$icon" &>/dev/null
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#echo "Putting $icon in cache..." 1>&2
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done
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IFS="$PREIFS" ) &
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echo "$LIST"
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#preload all categories in background
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"${DIRECTORY}/etc/preload-daemon" "$format" &>/dev/null &
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