57 lines
1.2 KiB
Bash
57 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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#
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# mfup
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#
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# - Fetch latest upstream and replace the PR Target branch with
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# - Rebase the (current or specified) branch on the PR Target
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# - Force-push the branch to 'origin'
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# -
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#
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[[ $# < 2 ]] || { echo "Usage: `basename $0` [branch]" 1>&2 ; exit 1; }
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MFINFO=$(mfinfo "$@") || exit 1
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IFS=' ' read -a INFO <<< "$MFINFO"
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ORG=${INFO[0]}
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FORK=${INFO[1]}
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REPO=${INFO[2]}
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TARG=${INFO[3]}
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BRANCH=${INFO[4]}
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OLDBRANCH=${INFO[5]}
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set -e
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# Prevent accidental loss of current changes
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[[ $(git stash) != "No local "* ]] && HAS_STASH=1
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echo "Fetching upstream ($ORG/$REPO)..."
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git fetch upstream
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echo ; echo "Bringing $TARG up to date..."
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if [[ ! $(git checkout -q $TARG) ]]; then
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git reset --hard upstream/$TARG
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git push -f origin
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else
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git checkout upstream/$TARG -b $TARG
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git push --set-upstream origin $TARG
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fi
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if [[ $BRANCH != $TARG ]]; then
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echo ; echo "Rebasing $BRANCH on $TARG..."
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if git checkout $BRANCH; then
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echo
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if git rebase $TARG; then
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git push -f
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else
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echo "Looks like merge conflicts. Stopping here." ; exit
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fi
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else
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echo "No such branch!"
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fi
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fi
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echo
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[[ $BRANCH != $OLDBRANCH ]] && git checkout $OLDBRANCH
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[[ $HAS_STASH == 1 ]] && git stash pop
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