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#!/bin/bash -e
#
# './g pull -r' just forwards to 'git pull -r'.
#
# './g review [name]' to submit a pull request, assuming:
# 1) You have 'gh' installed.
# 2) You are a committer, so you have the permission to push to a private/nick/name branch.
# 3) You delete this branch after the PR is merged.
# 4) "name" is the name of part of the private/user/name remote branch, defaults to the current
# branch. You have to specify this explicitly if you want to update an existing PR.
#
if [ "$1" == "review" ]; then
if [ -z "$(type -p gh)" ]; then
echo "'gh' not found, install it from <https://github.com/cli/cli/blob/trunk/docs/install_linux.md>."
exit 1
fi
if ! gh auth status &>/dev/null; then
echo "'gh' thinks you are not logged into any GitHub hosts. Run 'gh auth login' to authenticate."
exit 1
fi
# e.g. co-4-2
BRANCH=$(git symbolic-ref HEAD|sed 's|refs/heads/||')
# e.g. origin
REMOTE=$(git config branch.$BRANCH.remote)
# e.g. distro/collabora/co-4-2
TRACKED_BRANCH=$(git rev-parse --abbrev-ref --symbolic-full-name HEAD@{upstream}|sed "s|${REMOTE}/||")
REMOTE_BRANCH=private/$USER/$TRACKED_BRANCH
CUSTOM_BRANCH=
if [ -n "$2" ]; then
REMOTE_BRANCH=private/$USER/$2
CUSTOM_BRANCH=y
fi
# So that we have an up to date view on what remote branches exist.
git fetch --prune $REMOTE
HAS_REMOTE_BRANCH=
if git rev-parse --quiet --verify $REMOTE/$REMOTE_BRANCH >/dev/null; then
HAS_REMOTE_BRANCH=y
fi
if [ -n "$HAS_REMOTE_BRANCH" ] && [ -z "$CUSTOM_BRANCH" ]; then
echo "Error: default remote branch would be '$REMOTE_BRANCH', but it already exists."
echo "To update the existing PR: type './g review $BRANCH' explicitly."
exit 1
elif [ -n "$HAS_REMOTE_BRANCH" ] && [ -n "$CUSTOM_BRANCH" ]; then
# PR is open, same branch is explicitly specified, just update it.
git push -f $REMOTE HEAD:$REMOTE_BRANCH
else
# Open a new PR.
git push $REMOTE HEAD:$REMOTE_BRANCH
git branch $REMOTE_BRANCH
gh pr create --base $TRACKED_BRANCH --head $REMOTE_BRANCH --fill
git branch -D $REMOTE_BRANCH
fi
exit 0
fi
if [ "$1" == "pull" ]; then
shift
git pull "$@"
exit 0
fi
# vim:set shiftwidth=4 softtabstop=4 expandtab:
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