git-pr-commit

#!/bin/bash

set -e

if [[ $# -lt 1 ]]; then
    echo "Not enough arguments?!"
    echo "$0 <hash1> ... <hashN>"
    exit 1
fi

HASHES=( ${@:1} )

echo "Checking if hashes exist."
for h in "${HASHES[@]}"; do
    echo -n "    "
    if git cat-file -e ${h}^{commit}; then
        echo "Good hash: ${h}"
    else
        echo "Bad hash: $HASH?!"        
        exit 1
    fi
done

# We name the branch after the last hash.
LAST_HASH=$(($# - 1))
BRANCH_NAME="pr-${HASHES[LAST_HASH]}"
OLD_BRANCH=$(git rev-parse --abbrev-ref HEAD)

git branch -f "$BRANCH_NAME" origin/master
git checkout "$BRANCH_NAME"
for h in "${HASHES[@]}"; do
    if ! git cherry-pick "${h}"; then
        exit 1
    fi
done
git push self -f "$BRANCH_NAME:$BRANCH_NAME"
git checkout "$OLD_BRANCH"
git branch -D "$BRANCH_NAME"

set +e