git-change-request/git-change-request-DEV-CLOSE at main · whut/git-change-request · GitHub

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#!/bin/sh

# Bash "strict mode": http://redsymbol.net/articles/unofficial-bash-strict-mode/. But note that /bin/sh is used above,
# as sh have less features, so it is simpler;)
set -eu
#set -euo pipefail
IFS=$(printf '\n\t')


## Environment variables

# export DEBUG=true to echo all commands and add some additional messages
[ "${DEBUG:-false}" = true ] && set -x

## Command line parameters


[ -n "${1:-}" ] || (echo "Please provide merge requests' target branch (typically main) as first parameter" >&2 && exit 1)
TARGET_BRANCH=${1}


# Rest of the parameters are added to git push below via "$@"
shift


## Helper variables

# Some older way: git symbolic-ref --short HEAD, this also probably works: git name-rev --name-only HEAD
CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)

# Using `|| true` to ignore exit code, because of set -e
#
# TODO: this does not handle for example remote.pushDefault. There must be some other command to figure this out?
TARGET_REMOTE_OR_NULL=$(git config --get branch."$CURRENT_BRANCH".remote || true)
TARGET_REMOTE=${TARGET_REMOTE_OR_NULL:-origin}

# Deleting the branch will close the merge request
git rev-list "$TARGET_REMOTE"/"$TARGET_BRANCH"..HEAD --reverse --no-commit-header --date=format:%FT%H%M%S --pretty=format::refs/heads/cr/"$CURRENT_BRANCH"/%ad |
  xargs git push "$@" "$TARGET_REMOTE"