#!/bin/bash
git config --global user.email "[email protected]"
git config --global user.name "PKP"
echo "1 - Retrieving git user:"
gitUser=$(cat .git/config | grep -A2 "remote \"origin\"" | grep "url" | cut -f2 -d":" | cut -f4 -d"/")
echo " Gituser: $gitUser"
echo "2 - Verifying if we have a merge commit in HEAD:"
isMergeCommit=$(git log -m --pretty=oneline -n1 | grep -P "Merge [0-9a-z]{40} into [0-9a-z]{40}")
echo " Merge commit message: $isMergeCommit"
if [ \( -n "$isMergeCommit" \) -a \( "$gitUser" = "pkp" \) ]; then
commitHash=$(git log -m --pretty=oneline -n2 | sed -n 2p | grep -Po "^[0-9a-z]{40}")
echo " HEAD points to a merge commit."
echo " HEAD^ points to a common commit with hash $commitHash"
else
commitHash=$(git log -m --pretty=oneline -n1 | grep -Po "^[0-9a-z]{40}")
echo " HEAD points to a common commit with hash $commitHash"
fi
echo "3 - Verifying if last non merge commit is a subproject commit:"
libModuleHash=$(git show "$commitHash" | grep "+Subproject commit" | cut -f3 -d" ")
strLength=${#libModuleHash}
echo " Subproject commit hash: $libModuleHash"
if [ \( -n "$libModuleHash" \) -a \( "$strLength" -eq 40 \) ]; then
echo " Last non merge commit is subproject commit."
echo "4 - Trying to get user and branch from commit message:"
userAndBranch=$(git log --pretty=oneline -1 "$commitHash" | grep -o "##.*##" | sed "s:^##\(.*\)##$:\1:")
gitUser=$(echo "$userAndBranch" | cut -f1 -d"/")
branch=$(echo "$userAndBranch" | cut -f2- -d"/")
echo " User and branch: $userAndBranch - User: $gitUser - Branch: $branch"
if [ \( -n "$gitUser" \) -a \( -n "$branch" \) ]; then
echo " Found user and branch in commit message."
echo "5 - Reseting the subproject commit in application."
git reset --hard "$commitHash"^
echo "6 - Initializing and updating submodule from official."
git submodule update --init --recursive
cd lib/pkp
echo "7 - Updating pkp-lib with code from $gitUser repository, $branch branch."
git remote add "$gitUser" https://github.com/"$gitUser"/pkp-lib
git reset --hard HEAD
git pull --rebase "$gitUser" "$branch"
exit 0
fi
fi
git submodule update --init --recursive
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