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chore: update post-commit hook from npm-check-updates source #4537

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chore: update post-commit hook from npm-check-updates source #4537

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48 changes: 29 additions & 19 deletions .hooks/post-commit
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Original file line number Diff line number Diff line change
@@ -1,37 +1,47 @@
#!/bin/bash
SHORT_SHA=$(git rev-parse HEAD)
LINT_LOG="$TMPDIR"/lint."$SHORT_SHA".log
#!/usr/bin/env bash

# strip color
# Enable strict mode:
# -E: inherit ERR traps in functions/subshells
# -e: exit on any command failure
# -u: error on unset variables
# -o pipefail: fail pipelines if any command fails
set -Eeuo pipefail

SHORT_SHA=$(git rev-parse --short HEAD)
LINT_LOG="${TMPDIR:-/tmp}/lint.${SHORT_SHA}.log"

# Strip color
strip() {
sed -r "s/\x1B\[([0-9]{1,3}(;[0-9]{1,2};?)?)?[mGK]//g"
}

# display a notification
# Display a notification
notify() {
# if osascript is not supported, do nothing
if [ -f /usr/bin/osascript ]; then
# read back in the lint errors
ERRORS=$(cat "$LINT_LOG" | sed 1,4d)
# read back in the lint errors
local ERRORS
ERRORS=$(sed 1,4d "${LINT_LOG}")

# Trigger apple- or OSA-script on supported platforms
/usr/bin/osascript -e "display notification \"$ERRORS\" with title \"$*\""
# macOS via osascript, Linux via notify-send; do nothing if neither exists
if [[ -x /usr/bin/osascript ]]; then
/usr/bin/osascript -e "display notification \"${ERRORS}\" with title \"$*\""
elif command -v notify-send >/dev/null; then
notify-send "$*" "${ERRORS}"
fi

# clean up
rm "$LINT_LOG"
}

# ensure failed lint exit code passes through sed
set -o pipefail
# Do not proceed if node_modules folder is missing
if [[ ! -d node_modules ]]; then
echo "post-commit: node_modules not found, skipping lint" >&2
exit 0
fi

# Do NOT run this when rebasing or we can't get the branch
# Do not run this when rebasing or we can't get the branch
branch=$(git branch --show-current)
if [ -z "$branch" ]; then
if [[ -z "${branch}" ]]; then
exit 0
fi

# Lint in the background, not blocking the terminal and piping all output to a file.
# If the lint fails, trigger a notification (on supported platforms) with at least the first error shown.
# We pipe output so that the terminal (tmux, vim, emacs etc.) isn't borked by stray output.
yarn lint:src | strip &>"$LINT_LOG" || notify "Lint Error" &
(yarn lint:src 2>&1 | strip >"${LINT_LOG}" 2>&1 || notify "Lint Error"; rm -f -- "${LINT_LOG}") &
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