[ci, tools] working find-unused-strings, android strings CI (#3036)

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3036

.github/workflows/strings.yml

@@ -0,0 +1,22 @@
+name: Check Strings
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  check-strings:
+    runs-on: source
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Find Unused Strings
+        run: ./tools/find-unused-strings.sh
+
+      - name: Find Stale Translations
+        run: ./tools/stale-translations.sh
+
+      - name: Diff
+        run: git --no-pager diff --exit-code HEAD

.github/workflows/translations.yml

@@ -5,6 +5,7 @@ on:
   schedule:
     cron:
       - '0 14 * * 1,3,6'
+  workflow_dispatch:
 
 jobs:
   tx-update:

tools/find-unused-strings.sh

@@ -1,7 +1,23 @@
 #!/bin/sh -e
+
 # SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-cat src/android/app/src/main/res/values/strings.xml \
-    | grep 'string name="' | awk -F'"' '$0=$2' \
-    | xargs -I {} sh -c 'grep -qirnw R.string.'{}' src/android/app/src || echo '{}
+ANDROID=src/android/app/src/main
+STRINGS=$ANDROID/res/values/strings.xml
+
+SRC=$(mktemp)
+
+# We start out by getting the list of source strings...
+grep -e "string name" $STRINGS | cut -d'"' -f2 > "$SRC"
+
+# ... then search for each string as R.string. or @string/
+while IFS= read -r str; do
+	grep -qre "R.string.$str\|@string/$str" "$ANDROID" && continue
+
+	echo "-- Removing unused string $str"
+	sed "/string name=\"$str\"/d" "$STRINGS" > "$STRINGS.new"
+	mv "$STRINGS.new" "$STRINGS"
+done < "$SRC"
+
+rm -rf "$TMP_DIR"

tools/generate-legacy-icons.sh

@@ -10,11 +10,11 @@ ROOTDIR=$PWD
 
 cd src/android/app/src/main
 
-pushd res/drawable
+cd res/drawable
 # convert vector to svg--needed to generate launcher png
 cp ic_yuzu_icon.xml tmp
 
-python3 $ROOTDIR/tools/VectorDrawable2Svg.py tmp
+python3 "$ROOTDIR"/tools/VectorDrawable2Svg.py tmp
 
 inkscape -w 768 -h 768 tmp.svg -o ic_tmp.png
 magick ic_icon_bg_orig.png -resize 512x512 bg_tmp.png
@@ -23,7 +23,8 @@ magick bg_tmp.png -strip -type TrueColor -depth 8 -colorspace sRGB -color-matrix
 magick -verbose bg_tmp_rgb.png ic_tmp.png -gravity center -composite -colorspace sRGB ic_launcher.png
 echo
 
-rm *tmp*
-popd
+rm ./*tmp*
 
-# Add legacy here when legacy gets merged
+cd "$ROOTDIR"
+
+# TODO: add legacy icons

tools/optimize-assets.sh

@@ -1,7 +1,10 @@
 #!/bin/sh -e
+
 # SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
+
 which optipng || exit
-NPROC=$(nproc)
-[ -z "$NPROC" ] && NPROC=8
-find . -type f -iname '*.png' | xargs -P $NPROC -I {} optipng -o7 {}
+NPROC=$(nproc 2>/dev/null || getconf _NPROCESSORS_ONLN 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 4)
+
+# shellcheck disable=SC2038
+find . -type f -iname '*.png' | xargs -P "$NPROC" -I {} optipng -o7 {}

tools/stale-translations.sh

@@ -29,6 +29,6 @@ while IFS= read -r locale; do
 		{ grep -e "string name=\"$unused\"" "$STRINGS" >/dev/null; } || \
 		{ echo "-- Removing unused translation $unused" && sed "/string name=\"$unused\"/d" "$locale" > "$locale.new" && mv "$locale.new" "$locale"; }
 	done < "$COMBINED"
+done < "$LOCALES"
 
-	echo "-- done"
-done < "$LOCALES"
+rm -rf "$TMP_DIR"