scripts/.githooks/pre-commit
Krzysztof kuhy Rudnicki 5b032891c5 refactor: reduce code duplication from 1.97% to 0.76%
- Add common.sh library functions: require_imagemagick, install_missing_pacman_packages, handle_arg_help_or_unknown
- Create android.sh shared library for Android utilities
- Create hosts-guard-common.sh for pacman hooks shared functions
- Update multiple scripts to source common.sh and use shared helpers
- Add print_shutdown_schedule helper in setup_midnight_shutdown.sh
- Remove duplicate log(), usage(), install_packages patterns across scripts
- Format all shell scripts with shfmt (2-space indent)
2025-12-11 18:32:15 +01:00

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#!/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 $JSCPD_BIN ]]; then
printf ' → jscpd not found, installing...\n'
if ! npm install --prefix ~/.local jscpd 2>&1; then
printf '\nCommit aborted: failed to install jscpd.\n' >&2
printf 'Please install manually: npm install --prefix ~/.local jscpd\n' >&2
exit 1
fi
printf ' ✓ jscpd installed\n'
fi
# Run jscpd and capture output
# --min-lines 5: minimum 5 lines to consider a clone
# --min-tokens 25: minimum 25 tokens to consider a clone
# --threshold 2: fail if more than 2% duplication
jscpd_output=$("$JSCPD_BIN" \
--pattern "**/*.sh" \
--min-lines 5 \
--min-tokens 25 \
--threshold 2 \
--reporters "console" \
--ignore "**/node_modules/**,**/.git/**,**/misc/testsAndMisc-bash/**" \
. 2>&1) || jscpd_exit=$?
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'