#!/bin/bash

###
# Merge commits or branches as GitHub Pull Requests
#
# Usage: ./merge-pr.sh COMMIT PRNUMBER BRANCHNAME
#
# COMMIT: Commit or branch name to merge
# PRNUMBER: Number of the pull request being merged (used in commit message)
# BRANCHNAME: Branch name being merged (used in commit message)
###

PR=$1
BRANCH=$2
COMMIT=$3

if [ -z "$COMMIT" ] || [ -z "$PR" ] || [ -z "$BRANCH" ]; then
    echo "usage: ./merge-pr.sh COMMIT PRNUMBER BRANCHNAME"
    exit 1
fi

MESSAGE="Merge pull request #$PR from Codeminer42/$BRANCH"
COMMAND=( git merge --no-ff --strategy-option theirs -m "'$MESSAGE'" "$COMMIT" )

#run command
"${COMMAND[@]}"