helpful precommit hooks

pre-commit

#!/bin/bash -l

# A git hook script to find and fix trailing whitespace
# in your commits. Bypass it with the --no-verify option
# to git-commit
#

.git/hooks/pre-commit-master-no-no
if [[ $? == 1 ]]
then
  exit 1
fi

.git/hooks/pre-commit-debugger
.git/hooks/pre-commit-trailing-spaces
.git/hooks/pre-commit-images
.git/hooks/pre-commit-pair

pre-commit-debugger

#!/bin/sh

# http://mark-story.com/posts/view/using-git-commit-hooks-to-prevent-stupid-mistakes
if git-rev-parse --verify HEAD >/dev/null 2>&1; then
    against=HEAD
else
    against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
fi
 
for FILE in `git diff-index --check --name-status $against -- | cut -c3-` ; do
    # Check if the file contains 'debugger'
    if [ "grep 'debugger' $FILE" ]
    then
        echo $FILE ' contains debugger!'
        exit 1
    fi
done

pre-commit-images

#!/bin/bash -l

echo "Optimizing images"

# Find image files and optimize them
for FILE in `exec git diff --cached --name-status | grep ".png$" | awk '$1 != "R" { print $2 }'`; do 
  echo "Optimizing $FILE"
  bundle exec smusher $FILE
  git add "$FILE"
done

pre-commit-master-no-no

#!/bin/bash 

#Hook to verify that comments are not done to the master branch accidentally
#Need to check the status and exit the hook if this script exits with a non-zero code
#.git/hooks/pre-commit-master-no-no
#if [[ $? == 1 ]]
#then
#  exit 1
#fi

if [[ `git symbolic-ref HEAD` == "refs/heads/master" ]]
then
   if [[ ! -f /tmp/master_commit ]]
   then
    echo "*************************"
    echo "CANNOT COMMIT TO MASTER!"
    echo "To override this behavior"
    echo "touch /tmp/master_commit"
    echo "*************************"
    exit 1
   else
    echo "Removing /tmp/master_commit"
    rm /tmp/master_commit
   fi
fi

pre-commit-pair

#!/bin/bash

echo `git about |grep "git user"`

pre-commit-trailing-spaces

#!/bin/bash

echo "Remove trailing spaces"
if git-rev-parse --verify HEAD >/dev/null 2>&1 ; then
  against=HEAD
else
  # Initial commit: diff against an empty tree object
  against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
fi

echo $against
# Find files with trailing whitespace
for FILE in `exec git diff-index --check $against -- | sed '/^[+-]/d' | (sed -r 's/:[0-9]+:.*//' > /dev/null 2>&1 || sed -E 's/:[0-9]+:.*//') | uniq` ; do
  # Fix them!
  echo $FILE
  (sed -i 's/[[:space:]]*$//' "$FILE" > /dev/null 2>&1 || sed -i '' -E 's/[[:space:]]*$//' "$FILE")
  git add "$FILE"
done