mirror of
https://github.com/lhns/steam-frame-nix.git
synced 2026-10-06 07:00:27 +02:00
Pierre Kisters
b0ca57d4bd
A launcher whose Flatpak is not installed leaves a dangling link in ~/.local/share/applications; awk failed on it and set -e ended the hints there.
94 lines
3.4 KiB
Bash
94 lines
3.4 KiB
Bash
# shellcheck shell=bash
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# Hints for launcherMenu.iconFallbacks; read-only.
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# Usage: BREEZE_APPS=<breeze-icons>/share/icons/breeze/apps \
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# steam-frame-icon-fallbacks --suggest [CONFIGURED_NAME...]
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# Prints
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# - Icon= names of the desktop entries Steam sees that no hicolor dir (nor
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# pixmaps) has but Breeze does, and that aren't configured: candidates for
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# iconFallbacks.extra;
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# - configured names that hicolor has anyway (apart from our links): no
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# longer needed.
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[[ ${1:-} == --suggest ]] || { echo "usage: steam-frame-icon-fallbacks --suggest [NAME...]" >&2; exit 2; }
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shift
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: "${BREEZE_APPS:?BREEZE_APPS is not set}"
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data_home=${XDG_DATA_HOME:-$HOME/.local/share}
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# Steam's data dirs (XDG_DATA_HOME, then its XDG_DATA_DIRS on SteamOS), not
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# the caller's: switches usually run from the nested desktop session.
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data_dirs=(
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"$data_home"
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"$HOME/.local/share/flatpak/exports/share"
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/var/lib/flatpak/exports/share
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/usr/local/share
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/usr/share
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"$HOME/.nix-profile/share"
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/nix/var/nix/profiles/default/share
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)
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shopt -s nullglob
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# Our fallbacks: links that end up in a Breeze store path.
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ours() { [[ -L $1 && $(readlink -f "$1") == /nix/store/*-breeze-icons-*/* ]]; }
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# Where Steam finds <name> (hicolor in any data dir, or pixmaps), ours aside.
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resolves() {
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local d f
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for d in "$HOME/.icons" "${data_dirs[@]/%//icons}"; do
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for f in "$d"/hicolor/*/*/"$1".{png,svg,xpm}; do
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ours "$f" || { echo "$f"; return 0; }
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done
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done
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for d in "${data_dirs[@]}"; do
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for f in "$d"/pixmaps/"$1".{png,svg,xpm}; do [[ ! -e $f ]] || { echo "$f"; return 0; }; done
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done
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return 1
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}
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in_breeze() {
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local size
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for size in 64 48 32 24 22 16; do [[ -e $BREEZE_APPS/$size/$1.svg ]] && return 0; done
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return 1
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}
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# Icon= of a desktop entry, unless it is Hidden/NoDisplay or not a plain icon
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# name (e.g. an absolute path).
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entry_icon() {
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awk -F= '
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/^\[/ { group = ($0 ~ /^\[Desktop Entry\][[:space:]]*$/); next }
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!group { next }
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{ key = $1; sub(/[[:space:]]+$/, "", key); val = substr($0, index($0, "=") + 1)
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gsub(/^[[:space:]]+|[[:space:]\r]+$/, "", val) }
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(key == "Hidden" || key == "NoDisplay") && val == "true" { skip = 1 }
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key == "Icon" { icon = val }
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END { if (!skip && icon ~ /^[A-Za-z0-9._+-]+$/) print icon }
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' "$1"
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}
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declare -A configured=() seen=() missing=()
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for name in "$@"; do configured[$name]=1; done
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# The entries Steam sees (the first with a given desktop-file ID wins, like
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# in the menu).
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for d in "${data_dirs[@]}"; do
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[[ -d $d/applications ]] || continue
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while IFS= read -r -d '' f; do
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id=${f#"$d/applications/"}; id=${id//\//-}
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[[ -z ${seen[$id]:-} ]] || continue
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seen[$id]=1
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# Unreadable, e.g. a launcher's link while its app isn't installed.
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icon=$(entry_icon "$f" 2>/dev/null) || continue
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[[ -n $icon && -z ${configured[$icon]:-} && -z ${missing[$icon]:-} ]] || continue
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if ! resolves "$icon" >/dev/null && in_breeze "$icon"; then missing[$icon]=${id%.desktop}; fi
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done < <(find -L "$d/applications" -name '*.desktop' -print0 2>/dev/null)
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done
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for icon in "${!missing[@]}"; do
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echo "icon fallbacks: \"$icon\" (${missing[$icon]}) shows without icon in Steam's \"+\" menu; Breeze has it: add it to steamFrame.launcherMenu.iconFallbacks.extra"
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done
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for name in "${!configured[@]}"; do
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if f=$(resolves "$name"); then
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echo "icon fallbacks: \"$name\" is in hicolor anyway ($f); the fallback is no longer needed"
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fi
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done
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exit 0
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