git-archive-branch.sh Replace a git branch with an archived tag.

git-archive-branch.sh

#!/bin/sh
# git-archive-branch.sh
#

BRANCHNAME=
PUSH=

usage() {
  cat 1>&2 << EOF
usage: $(filename $0) [-p] [-h] BRANCHNAME

"Archive" a local git branch.

Creates tag archive/BRANCHNAME pointing to the head of the branch, then
deletes the branch. BRANCHNAME must exist in your local repository.

If the option -p is provided, also pushes the tag and the deletion to the
origin repository.

EOF
}

archivebranch() {
  git tag archive/$BRANCHNAME $BRANCHNAME && git branch -d $BRANCHNAME
}

pushchanges() {
  git push --tags && git push origin :$BRANCHNAME
}

while getopts "ph" OPT; do
  case $OPT in
    p) PUSH=1;;
    h) usage; exit;;
  esac
  shift $((OPTIND-1))
done
BRANCHNAME=$1

if [ -n "$BRANCHNAME" ]; then
  archivebranch
else
  usage
  exit 1
fi

if [ -n "$PUSH" ]; then
  pushchanges
fi