Git pre-commit check to stop accidental commits to master and develop branches. There is also a variant with a core.whitespace check.

commit-msg

#!/bin/bash
# Stops accidental commits to master and develop. Exceptions to commits starting with "Release". 
# https://gist.github.com/rnarian/5bb974bd876beb5de11f
# Install:
# cd path/to/git/repo
# curl -fL -o .git/hooks/commit-msg https://gist.githubusercontent.com/rnarian/5bb974bd876beb5de11f/raw/commit-msg
# chmod +x .git/hooks/commit-msg

BRANCH=`git rev-parse --abbrev-ref HEAD`
MESSAGE=$(cat .git/COMMIT_EDITMSG)

if [[ "$BRANCH" == "master" || "$BRANCH" == "develop" ]]; then
	if [[ ! "$MESSAGE" =~ ^Release.* ]]; then
		echo "You are on branch $BRANCH. Are you sure you want to commit to this branch?"
		echo "If so, commit with -n to bypass this pre-commit hook."
		exit 1
	fi
fi

exit 0

pre-commit

#!/bin/bash
# Stops accidental commits to master and develop. https://gist.github.com/rnarian/5bb974bd876beb5de11f
# Install:
# cd path/to/git/repo
# curl -fL -o .git/hooks/pre-commit https://gist.githubusercontent.com/rnarian/5bb974bd876beb5de11f/raw/pre-commit
# chmod +x .git/hooks/pre-commit

BRANCH=`git rev-parse --abbrev-ref HEAD`

if [[ "$BRANCH" == "master" || "$BRANCH" == "develop" ]]; then
	echo "You are on branch $BRANCH. Are you sure you want to commit to this branch?"
	echo "If so, commit with -n to bypass this pre-commit hook."
	exit 1
fi

exit 0

pre-commit-2

#!/bin/bash
# Stops accidental commits to master and develop. https://gist.github.com/rnarian/5bb974bd876beb5de11f
# Install:
# cd path/to/git/repo
# curl -fL -o .git/hooks/pre-commit https://gist.githubusercontent.com/rnarian/5bb974bd876beb5de11f/raw/pre-commit-2
# chmod +x .git/hooks/pre-commit

BRANCH=`git rev-parse --abbrev-ref HEAD`

if [[ "$BRANCH" == "master" || "$BRANCH" == "develop" ]]; then
	echo "You are on branch $BRANCH. Are you sure you want to commit to this branch?"
	echo "If so, commit with -n to bypass this pre-commit hook."
	exit 1
fi

if [ "`git diff --check --cached | wc -c`" -gt 0 ]; then
	echo "Your spaces don't agree with your core.whitespace rules."
	echo 'Please run `git diff --check HEAD` to see your errors.'
	echo "You can commit with -n to bypass this pre-commit hook."
	exit 2
fi

exit 0

pre-commit-3

#!/bin/bash
# Stops accidental commits to master and develop. https://gist.github.com/rnarian/5bb974bd876beb5de11f
# Install:
# cd path/to/git/repo
# curl -fL -o .git/hooks/pre-commit https://gist.githubusercontent.com/rnarian/5bb974bd876beb5de11f/raw/pre-commit-3
# chmod +x .git/hooks/pre-commit

BRANCH=`git rev-parse --abbrev-ref HEAD`

if [[ "$BRANCH" == "master" || "$BRANCH" == "develop" ]]; then
	echo "You are on branch $BRANCH. Are you sure you want to commit to this branch?"
	echo "If so, commit with -n to bypass this pre-commit hook."
	exit 1
fi

if [ "`git diff --check --cached | wc -c`" -gt 0 ]; then
	echo "Your spaces don't agree with your core.whitespace rules."
	echo 'Please run `git diff --check HEAD` to see your errors.'
	echo "You can commit with -n to bypass this pre-commit hook."
	exit 2
fi


NOEOF=()
FILES=`git status --porcelain | grep "^M" | cut -b4-`

while read -r f; do
	if [ "`tail -c 1 $f`" != "" ]; then
		NOEOF+=("$f")
	fi
done <<< "$FILES"

if [ ${#NOEOF[@]} -gt 0 ]; then
	echo "No newlines at the end of these files:"
	for f in "${NOEOF[@]}"; do
		echo "  $f"
	done
	echo
	echo "To check your whole repository, run this:"
	echo
	echo '    git ls-tree -r -z --name-only HEAD | xargs -0 file | grep text | cut -d: -f1 | xargs -I {} bash -c '\''if [ -n "`tail -c 1 "{}"`" ]; then echo {}; fi'\'''
	echo
	echo "You can commit with -n to bypass this pre-commit hook."
	exit 3
fi

exit 0

pre-commit-4

#!/bin/bash
# Checks yo whitespace on commit. https://gist.github.com/rnarian/5bb974bd876beb5de11f
# Install:
# cd path/to/git/repo
# curl -fL -o .git/hooks/pre-commit https://gist.githubusercontent.com/rnarian/5bb974bd876beb5de11f/raw/pre-commit-4
# chmod +x .git/hooks/pre-commit

BRANCH=`git rev-parse --abbrev-ref HEAD`

if [ "`git diff --check --cached | wc -c`" -gt 0 ]; then
  echo "Your spaces don't agree with your core.whitespace rules."
  echo 'Please run `git diff --check HEAD` to see your errors.'
  echo "You can commit with -n to bypass this pre-commit hook."
  exit 2
fi

exit 0