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31 lines
836 B
Bash
Executable File
31 lines
836 B
Bash
Executable File
#!/bin/bash
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#
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# Strip trailing whitespace from tracked files with specific extensions.
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# Usage: ./tools/strip-trailing-whitespace.sh
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# Works on macOS (BSD sed) or Linux (GNU sed), but not both at once.
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set -euo pipefail
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# Extensions to include
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EXT_REGEX='\.(py|js|ts|sh|md|txt|html|css|bash)$'
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# Detect sed flavor
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if sed --version >/dev/null 2>&1; then
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SED_CMD=(sed -i -e 's/[[:space:]]\+$//')
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elif sed -i '' testfile 2>/dev/null; then
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SED_CMD=(sed -i '' -e 's/[[:space:]]\+$//')
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else
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echo "Unsupported sed version. Must be GNU sed or BSD sed (macOS)." >&2
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exit 1
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fi
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git ls-files -z | while IFS= read -r -d '' file; do
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[[ -f "$file" ]] || continue
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[[ "$file" =~ $EXT_REGEX ]] || continue
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if grep -qE '[[:space:]]+$' "$file"; then
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echo "Fixing: $file"
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"${SED_CMD[@]}" "$file"
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fi
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done
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