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Pull down latest from git remote and remove dead branches
#!/bin/bash
#
# git-update
# Pull down latest from git remote and remove dead branches
#
# To create an alias to `git update`, put this on your path, then:
# git config --global alias.update '!git-update'
#
# Copyright (c) 2016 Leftclick.com.au
# License: MIT
#
# Defaults
branch=master
upstream=upstream
delayPeriod=
displayUsage=false
errorMessage=
# Parse options
while getopts d:h param; do
case $param in
d)
delayPeriod="$OPTARG"
;;
h)
displayUsage=true
;;
*)
errorMessage="Unknown argument, please check usage instructions"
displayUsage=true
;;
esac
done
shift $(expr $OPTIND - 1)
# Check for too many arguments
if [ $# -gt 2 ]; then
errorMessage="Too many arguments, please check usage instructions"
displayUsage=true
fi
# Display usage if requested or arguments are invalid
if [ "${displayUsage}" = true ]; then
if [ "${errorMessage}" != "" ]; then
echo "${errorMessage}" 1>&2
fi
echo "Usage: $0 [-d <delay>] [<remote>] [<branch>]"
echo "Where:"
echo " <delay> is the number of seconds delay between steps (default 1)"
echo " <branch> is the name of the branch to switch to and pull from (default 'master')"
echo " <remote> is the name of the remote to pull from (default 'upstream')"
if [ "${errorMessage}" != "" ]; then
exit 1
else
exit 0
fi
fi
# Wait the `delayPeriod` or until user presses ENTER, if a `delayPeriod` is set
function delay {
if [ -n "${delayPeriod}" ]; then
read -t ${delayPeriod} -p "Waiting for ${delayPeriod}s; press ENTER to skip waiting, or CTRL+C to cancel"
fi
echo
}
# Main processing sequence
echo "Switching to ${branch}"
git checkout "${branch}"
delay
echo "Fetching data"
fetchOutput=$( { git fetch -p; } 2>&1 )
echo "${fetchOutput}"
delay
echo "Pulling latest from upstream"
git pull "${upstream}" "${branch}"
delay
echo "Pushing to origin"
git push
delay
echo "Removing dead branches"
while read -r line; do
if [[ "${line}" == *"[deleted]"* ]]; then
deadBranch=$( echo "${line}" | sed "s/^.*\[deleted\].*-> \w*\///" )
echo "Removing branch: ${deadBranch}"
git branch -d "${deadBranch}"
fi
done <<< "${fetchOutput}"
echo "Done, displaying branches and status"
git branch -v
git status
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