Created
December 31, 2012 19:57
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Extract Pivotal Tracker story ID from git branch name and append to git commit messages.
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#!/bin/sh | |
# Pivotal Tracker Ticket Extraction | |
# ================================= | |
# Extract Pivotal Tracker ticket ID from branch name and prepend to commit | |
# message for GitHub hook. | |
# | |
# Takes a commit message like: "A commit comment" for branch "bug-1234-hello" | |
# and changes it to: "A commit comment [#1234]" for easier commit ticket | |
# updates. | |
# | |
# Installation | |
# ============ | |
# 1. Add this snippet to: `<REPO>/.git/hooks/prepare-commit-msg` | |
# 2. Make sure to `chmod a+x <REPO>/.git/hooks/prepare-commit-msg` to make the | |
# code actually executable. | |
# | |
MSG_FILE=$1 | |
# Define a Pivotal Tracker ID as having 4+ consecutive digits. | |
PIVOTAL_RE="[0-9]{4,}" | |
# Infer our branch and an ID. | |
BRANCH=$(git rev-parse --abbrev-ref HEAD) | |
BRANCH_ID=$(echo "${BRANCH}" | egrep -o "\-${PIVOTAL_RE}\-" | egrep -o "${PIVOTAL_RE}") | |
# Check if the commit message **already** has a Pivotal ID. | |
EXISTING_ID=$(egrep -o "[.*\#${PIVOTAL_RE}.*]" $MSG_FILE | egrep -o "${PIVOTAL_RE}") | |
# If there is a branch ID and not a commit message ID, then add the branch ID. | |
if [ -n "${BRANCH_ID}" ] && [ -z "${EXISTING_ID}" ]; then | |
echo "[#${BRANCH_ID}]" >> "${MSG_FILE}" | |
fi |
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