mirror of
https://github.com/anotherhadi/awesome-wallpapers.git
synced 2026-10-05 10:18:26 +02:00
58 lines
1.2 KiB
Bash
Executable File
58 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Losslessly compress wallpapers before they are committed, so the repo
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# doesn't grow larger than it needs to. Only files staged in this commit
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# are touched, to keep the hook fast.
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set -uo pipefail
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wallpapers_dir="wallpapers"
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changed=0
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if [[ ! -d "$wallpapers_dir" ]]; then
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exit 0
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fi
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if ! command -v oxipng >/dev/null 2>&1; then
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echo "❌ oxipng is required but was not found in PATH"
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exit 1
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fi
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if ! command -v gifsicle >/dev/null 2>&1; then
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echo "❌ gifsicle is required but was not found in PATH"
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exit 1
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fi
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mapfile -t staged < <(git diff --cached --name-only --diff-filter=ACM -- "$wallpapers_dir")
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for file in "${staged[@]}"; do
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[[ -f "$file" ]] || continue
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ext="${file##*.}"
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before=$(stat -c%s "$file")
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case "$ext" in
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png)
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oxipng -o max --strip safe -q "$file" >/dev/null
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;;
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gif)
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gifsicle -O3 --batch "$file"
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;;
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*)
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continue
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;;
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esac
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after=$(stat -c%s "$file")
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if [[ "$after" -ne "$before" ]]; then
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echo "Compressed $file ($before -> $after bytes)"
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git add "$file"
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changed=1
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fi
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done
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if [[ "$changed" -eq 1 ]]; then
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echo "Image(s) were compressed and re-staged, please commit again."
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exit 1
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fi
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exit 0
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