Add Appimage release

CHANGELOG.md

@@ -23,6 +23,7 @@ Categories Used:
 
 - List: show symlink targets (for tar and zip) (https://github.com/ouch-org/ouch/pull/934)
 - Add aliases for ebooks (`.epub`) (https://github.com/ouch-org/ouch/pull/981)
+- Add appimage binary to releases (https://github.com/ouch-org/ouch/pull/992)
 
 ### Improvements
 

scripts/build-appimage.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+set -e
+
+# Builds a single-file AppImage from a compiled ouch binary.
+# Usage: build-appimage.sh <binary> <arch:x86_64|aarch64> <output>
+
+BINARY="$1"
+APPIMAGE_ARCH="$2"
+OUTPUT="$3"
+
+if [ -z "$BINARY" ] || [ -z "$APPIMAGE_ARCH" ] || [ -z "$OUTPUT" ]; then
+    echo "usage: build-appimage.sh <binary> <arch> <output>" >&2
+    exit 1
+fi
+
+case "$APPIMAGE_ARCH" in
+    x86_64 | aarch64) ;;
+    *)
+        echo "unsupported AppImage arch: $APPIMAGE_ARCH" >&2
+        exit 1
+        ;;
+esac
+
+APPIMAGETOOL_VERSION="1.9.0"
+
+WORKDIR="$(mktemp -d)"
+trap 'rm -rf "$WORKDIR"' EXIT
+
+APPDIR="$WORKDIR/ouch.AppDir"
+mkdir -p "$APPDIR/usr/bin"
+
+cp "$BINARY" "$APPDIR/usr/bin/ouch"
+chmod +x "$APPDIR/usr/bin/ouch"
+
+cat > "$APPDIR/ouch.desktop" <<'EOF'
+[Desktop Entry]
+Type=Application
+Name=ouch
+Comment=A command-line utility for easily compressing and decompressing files and directories
+Exec=ouch
+Icon=ouch
+Categories=Utility;
+Terminal=true
+EOF
+
+# dummy 1x1 transparent PNG
+base64 -d > "$APPDIR/ouch.png" <<'EOF'
+iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVR4nGNgAAIAAAUAAeImBZsAAAAASUVORK5CYII=
+EOF
+ln -s ouch.png "$APPDIR/.DirIcon"
+
+cat > "$APPDIR/AppRun" <<'EOF'
+#!/bin/sh
+HERE="$(dirname "$(readlink -f "$0")")"
+exec "$HERE/usr/bin/ouch" "$@"
+EOF
+chmod +x "$APPDIR/AppRun"
+
+APPIMAGETOOL="$WORKDIR/appimagetool"
+wget -q -O "$APPIMAGETOOL" \
+    "https://github.com/AppImage/appimagetool/releases/download/${APPIMAGETOOL_VERSION}/appimagetool-x86_64.AppImage"
+chmod +x "$APPIMAGETOOL"
+
+RUNTIME="$WORKDIR/runtime-$APPIMAGE_ARCH"
+wget -q -O "$RUNTIME" \
+    "https://github.com/AppImage/type2-runtime/releases/download/continuous/runtime-$APPIMAGE_ARCH"
+
+# extract-and-run: no FUSE in CI. SOURCE_DATE_EPOCH: reproducible squashfs.
+ARCH="$APPIMAGE_ARCH" APPIMAGE_EXTRACT_AND_RUN=1 "$APPIMAGETOOL" \
+    --no-appstream \
+    --runtime-file "$RUNTIME" \
+    "$APPDIR" "$OUTPUT"
+
+echo "Created $OUTPUT"

scripts/package-release-assets.sh

@@ -64,6 +64,17 @@ for platform in "${PLATFORMS[@]}"; do
         rm -rf "$path/target"
         chmod +x "$path/ouch"
 
+        # Portable single-file AppImage from the static musl binaries
+        # (zero shared-library dependencies, runs on any Linux).
+        case "$platform" in
+            x86_64-unknown-linux-musl)
+                ../scripts/build-appimage.sh "$path/ouch" x86_64 "../output_assets/${path}.AppImage"
+                ;;
+            aarch64-unknown-linux-musl)
+                ../scripts/build-appimage.sh "$path/ouch" aarch64 "../output_assets/${path}.AppImage"
+                ;;
+        esac
+
         # --sort=name pins file order, --owner/--group/--numeric-owner pin uids,
         # --mtime pins timestamps. piping through gzip -n drops the gzip header
         # timestamp and original-name field.