Git merge all branches matching a pattern.

git_merge_all

#!/bin/bash

echo

if [ -z "$1" ]; then
    echo "Merge all branches matching a pattern (e.g. sprint number) into the current branch."
    echo
    echo "USAGE"
    echo "$0 <pattern>"
    exit 1
fi

currentbranch=$(git rev-parse --abbrev-ref HEAD)
branches=$(git branch | grep "$1" | grep -v "$currentbranch" | cut -d' ' -f2-)

echo "The following branches will be merged:"
echo

for b in $branches; do
    echo "  > $b"
done

echo
response="y"
read -r -p "Continue with merge? (Y/n)" response

if [[ $response =~ ^([nN][oO]|[nN])$ ]]; then
    exit 0
fi

for b in $branches; do
    git merge $b
done