testsAndMisc/.githooks/pre-commit
Krzysztof kuhy Rudnicki 6a26422737 chore: update jscpd settings to min 14 lines and ignore txt files
- Increase minimum clone detection from 5 to 14 lines
- Ignore .txt files (package lists are intentional documentation overlap)
- Results in 0% detected duplication
2025-12-11 18:46:05 +01:00

97 lines
3.1 KiB
Bash
Executable File

#!/usr/bin/env bash
set -euo pipefail
repo_root=$(git rev-parse --show-toplevel)
cd "$repo_root"
printf 'Running auto-fixers and shell_check before committing...\n'
# Get list of staged shell files
mapfile -t staged_files < <(git diff --cached --name-only --diff-filter=ACM | grep -E '\.(sh|bash|zsh)$' || true)
if [[ ${#staged_files[@]} -gt 0 ]]; then
printf 'Auto-fixing %d shell file(s)...\n' "${#staged_files[@]}"
# Auto-fix with shfmt if available
if command -v shfmt > /dev/null 2>&1; then
printf ' → Running shfmt...\n'
for file in "${staged_files[@]}"; do
if [[ -f $file ]]; then
shfmt -w "$file" 2> /dev/null || true
fi
done
fi
# Re-stage the auto-fixed files
for file in "${staged_files[@]}"; do
if [[ -f $file ]]; then
git add "$file"
fi
done
printf ' ✓ Auto-fixes applied and staged\n'
fi
printf 'Running shell_check validation...\n'
# Run shell_check to validate all checks
# Note: We only validate the staged files since we just auto-formatted them
# Validate only shellcheck, not shfmt (we already applied formatting)
mapfile -d '' -t staged_shell_files < <(git diff --cached --name-only --diff-filter=ACM -z | grep -zE '\.(sh|bash|zsh)$' || true)
if [[ ${#staged_shell_files[@]} -gt 0 ]]; then
# Run shellcheck on staged files
# -x: follow source directives
# -S warning: only fail on warning or higher (not info-level SC1091)
if command -v shellcheck > /dev/null 2>&1; then
if ! shellcheck -x -S warning "${staged_shell_files[@]}" 2>&1; then
printf '\nCommit aborted: shellcheck found issues.\n' >&2
printf 'Fix the remaining problems and retry the commit.\n' >&2
exit 1
fi
fi
fi
printf 'shell_check passed.\n'
# Run duplicate code detection
printf 'Running duplicate code detection...\n'
JSCPD_BIN="${HOME}/.local/node_modules/.bin/jscpd"
# Install jscpd if not present
if [[ ! -x $JSCPD_BIN ]]; then
printf ' → jscpd not found, installing...\n'
if ! npm install --prefix ~/.local jscpd 2>&1; then
printf '\nCommit aborted: failed to install jscpd.\n' >&2
printf 'Please install manually: npm install --prefix ~/.local jscpd\n' >&2
exit 1
fi
printf ' ✓ jscpd installed\n'
fi
# Run jscpd and capture output
# --min-lines 14: minimum 14 lines to consider a clone (ignores small boilerplate)
# --min-tokens 25: minimum 25 tokens to consider a clone
# --threshold 2: fail if more than 2% duplication
jscpd_output=$("$JSCPD_BIN" \
--pattern "**/*.sh" \
--min-lines 14 \
--min-tokens 25 \
--threshold 2 \
--reporters "console" \
--ignore "**/node_modules/**,**/.git/**,**/misc/testsAndMisc-bash/**,**/*.txt" \
. 2>&1) || jscpd_exit=$?
if [[ ${jscpd_exit:-0} -ne 0 ]]; then
printf '\n%s\n' "$jscpd_output"
printf '\nCommit aborted: duplicate code exceeds 2%% threshold.\n' >&2
printf 'Consider extracting common code to scripts/lib/common.sh\n' >&2
printf 'To see all duplicates: %s --pattern "**/*.sh" --min-lines 5 .\n' "$JSCPD_BIN" >&2
exit 1
fi
printf ' ✓ Duplication check passed (under 2%% threshold)\n'
printf 'All checks passed. Proceeding with commit.\n'