Add perforce command line access using git configuration

git-p4g

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#  Helper script that adds the ability to point to a perforce workspace using git command line
#
#!/bin/bash

PARENT_BRANCH="$(git branch -r -a --merged | sed -nE 's|^[ \*]+remotes/origin/(master\|branches/.*)$|\1|p')"
[ -n "${PARENT_BRANCH}" -a "$(echo "${PARENT_BRANCH}" | wc -l)" -eq 2 ] && {
  PARENT_BRANCH="$(echo "${PARENT_BRANCH}" | grep -v '^master$')"
} 
[ -n "${PARENT_BRANCH}" -a "$(echo "${PARENT_BRANCH}" | wc -l)" -eq 1 ] || { 
  echo "Must have a single parent branch under remotes/origin" >&2
  exit 1
}

WORKSPACE="$(git config p4rec.${PARENT_BRANCH}.workspace)"
[ -n "${WORKSPACE}" ] || {
  echo "Please set \`git config p4rec.${PARENT_BRANCH}.workspace <p4workspace>\`" >&2
  exit 1
}

p4 -c ${WORKSPACE} "$@"
exit $?