GitHooks/pre-commit at master · michaelmelody91/GitHooks · GitHub

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#!/bin/sh
#
# Hook used prior to commit to ensure that the branch being pushed to
# is not a 'protected' branch (develop or master).
# Also verifies that the local branch is up to date with it's upstream.
# A commit will be prevented if on develop or mater and/or the local branch is not up to date with it's remote.
#
#

read -r -d '' ERROR_IMG << "EOM"
                                                                         __
                       _ ,___,-'",-=-.
           __,-- _ _,-'_)_  (""`'-._\ `.
        _,'  __ |,' ,-' __)  ,-     /. |
      ,'_,--'   |     -'  _)/         `\
    ,','      ,'       ,-'_,`           :
    ,'     ,-'       ,(,-(              :
         ,'       ,-' ,    _            ;
        /        ,-._/`---'            /
       /        (____)(----. )       ,'
      /         (      `.__,     /\ /,
     :           ;-.___         /__\/|
     |         ,'      `--.      -,\ |
     :        /            \    .__/
      \      (__            \    |_
       \       ,`-, *       /   _|,\
        \    ,'   `-.     ,'_,-'    \
       (_\,-'    ,'\")--,'-'       __\
        \       /  // ,'|      ,--'  `-.
         `-.    `-/ \'  |   _,'         `.
            `-._ /      `--'/             \
               ,'           |              \
              /             |               \
           ,-'              |               /
          /                 |             -'

  _____     ____    _    _   _
 |  __ \   / __ \  | |  | | | |
 | |  | | | |  | | | |__| | | |
 | |  | | | |  | | |  __  | | |
 | |__| | | |__| | | |  | | |_|
 |_____/   \____/  |_|  |_| (_)


EOM

readonly protected_branches=("develop" "master")
readonly current_branch=$(git rev-parse --abbrev-ref HEAD)
readonly status=$(git fetch && git status -sb)
readonly regex="behind ([0-9]*)"

is_current_branch_protected=false

for protected_branch in "${protected_branches[@]}"; do
	if [[ $protected_branch = "$current_branch" ]]; then
		is_current_branch_protected=true
		echo "setting is branch to true"
	fi
done

if $is_current_branch_protected; then
	echo "$ERROR_IMG"
	cat <<\EOM


Uh-oh spaghetti-o's! Attempt to commit directly to a protected branch

It is not advised to commit directly to develop or master.

Any changes to one of these branches should be made via a pull request.

EOM
	exit 1
fi

if [[ $status =~ $regex ]]; then
	echo "$ERROR_IMG"
cat <<\EOM


Uh-oh spaghetti-o's! Attempt to commit without latest remote changes

Your branch is a number of commits behind its remote tracking branch

Use "git pull" to merge remote changes into yours
EOM
	exit 1
fi

exit 0