#git pre-commit #hook to set commit email address based on the repo's remote domain(s)

pre-commit

#!/bin/zsh
# source: https://gist.github.com/dreness/2de62e01d2053f9440eb
# Set repo's user.email to a default or alternate value based on remote domain.
# Because the in-flight commit info has already been set, if an email address
# change is needed, this commit is aborted. Retry the commit to use the new address.
#
# To automatically install custom hooks to new repos:
# 1) Add something like the following to ~/.gitconfig:
#   [init]
#       templatedir = ~/.git/templates
# 2) Create a directory at ~/.git/templates/hooks and install this file there
# Use 'git init' to add to existing repos

# If this repo's remote domain contains the string WORK_DOMAIN, set user.email
# to WORK_EMAIL, otherwise use DEFAULT_EMAIL.

# it sets at bashrc
# WORK_DOMAIN=''
# WORK_EMAIL=''
# WORK_SIGN_FINGERPRINT=''

DEFAULT_EMAIL=$(git config --global user.email)

# Current repo's configured email address and remotes
EMAIL=$(git config --local user.email)
REMOTES="$(git remote -v)"

# If this repo has a local user.email setting, do nothing. This allows for
# manually setting user.email instead of using this script.
if [[ -n ${EMAIL} ]]; then
    exit 0
fi

if [[ "${REMOTES}" == *${WORK_DOMAIN}* ]]; then
    # This repo has a remote in WORK_DOMAIN
    echo "Setting user.email to ${WORK_EMAIL}. Retry."
    git config --local user.email "${WORK_EMAIL}"
    git config --local user.signingkey $WORK_SIGN_FINGERPRINT
    git config --local commit.gpgsign true
    echo "GPG signing activated."
    exit 1
else
    # This repo does NOT have a remote in WORK_DOMAIN
    echo "Setting user.email to ${DEFAULT_EMAIL}. Retry"
    git config --local user.email "${DEFAULT_EMAIL}"
    exit 1
fi

SCRIPT_PATH=$0:A
printf "ERROR in pre-commit hook: %s\nCan't configure email address?! \n" ${SCRIPT_PATH}
exit 1