In your git project download the script, change the name, made it executable and you can use it
wget https://gist.githubusercontent.com/themakunga/1ba3d397594d5f3fa298c547c14c82e2/raw/65b4a81eaef5ba30063f6f2954e3c87da11bd84d/prepare-commit-msg.py
mv ./prepare-commit-msg.py ./.git/hooks/prepare-commit-msg
chmod a+x ./.git/hooks/prepare-commit-msg| #!/usr/bin/python | |
| ## | |
| # Author: Nicolas Martinez V. <mailto:[email protected]> | |
| # Description: Git Hook (server-side) allowing to prevent merge from some branches to anothers | |
| # based on the hook created by Bertrand Benoit <mailto:[email protected]> | |
| ## Version: 0.9 | |
| import sys | |
| import subprocess | |
| import re | |
| class branches: | |
| def __init__(self, origin, destination): | |
| self.origin = origin | |
| self.destination = destination | |
| def getOrigin(self): | |
| return self.origin | |
| def getDestination(self): | |
| return self.destination | |
| branchesList = [] | |
| # add branches here | |
| branchesList.append(branches('develop', 'testing')) | |
| branchesList.append(branches('testing', 'master')) | |
| # Considers only merge commit. | |
| if not (len(sys.argv) >= 2 and sys.argv[2] == 'merge'): | |
| sys.exit(0) | |
| with open(sys.argv[1], 'r') as f: | |
| mergeMessage = f.readline() | |
| mergeBranchExtract = re.compile("Merge branch '([^']*)'.*$").search(mergeMessage) | |
| if not mergeBranchExtract: | |
| print('Unable to extract branch to merge from message: ', mergeMessage) | |
| sys.exit(0) # Ensures normal merge as failback | |
| mergeBranch = mergeBranchExtract.group(1) | |
| currentBranchFullName = subprocess.check_output(['git', 'symbolic-ref', 'HEAD']) | |
| currentBranchExtract = re.compile("^.*/([^/]*)\n$").search(currentBranchFullName) | |
| if not currentBranchExtract: | |
| print('Unable to extract current branch from: ', currentBranchFullName) | |
| sys.exit(1) # Ensures normal merge as failback | |
| currentBranch = currentBranchExtract.group(1) | |
| for item in branchesList: | |
| if currentBranch == item.getDestination() and mergeBranch != item.getOrigin(): | |
| print( | |
| "FORBIDDEN: Merging from '", | |
| mergeBranch, | |
| "' to '", | |
| currentBranch, | |
| "' is NOT allowed. Contact your administrator.", | |
| "Now, you should use git merge --abort and keep on your work.") | |
| sys.exit(1) # This is exactly the situation which is forbidden | |
| sys.exit(0) |