45 lines
1.0 KiB
Bash
45 lines
1.0 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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if [[ $# -lt 2 ]]; then
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echo "Usage: $0 <source-png> <output-icns>"
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exit 1
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fi
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ICON_SRC="$1"
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ICON_DEST="$2"
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if [[ -f "$ICON_DEST" ]]; then
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exit 0
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fi
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if [[ ! -f "$ICON_SRC" ]]; then
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echo "[generate-mac-icon] Source icon not found: $ICON_SRC" >&2
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exit 1
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fi
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if ! command -v iconutil >/dev/null 2>&1; then
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echo "[generate-mac-icon] iconutil not found" >&2
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exit 1
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fi
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TMPDIR=$(mktemp -d)
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ICONSET="$TMPDIR/AppIcon.iconset"
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mkdir -p "$ICONSET"
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for SIZE in 16 32 64 128 256 512; do
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sips -s format png "$ICON_SRC" --resampleHeightWidth $SIZE $SIZE --out "$ICONSET/icon_${SIZE}x${SIZE}.png" >/dev/null
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sips -s format png "$ICON_SRC" --resampleHeightWidth $((SIZE * 2)) $((SIZE * 2)) --out "$ICONSET/icon_${SIZE}x${SIZE}@2x.png" >/dev/null
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done
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iconutil -c icns "$ICONSET" -o "$ICON_DEST"
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rm -rf "$TMPDIR"
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if [[ -f "$ICON_DEST" ]]; then
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echo "[generate-mac-icon] Generated $ICON_DEST"
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else
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echo "[generate-mac-icon] Failed to create $ICON_DEST" >&2
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exit 1
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fi
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