commit-msg

#!/bin/bash

export TERM=xterm-256color 

GIT_PROJECT_LOCATION=$(git rev-parse --show-toplevel)
GIT_PROJECT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
GIT_PROJECT_LATEST_REVISION=$(git rev-list -n 1 HEAD)
ESLINT_FILE_PATH=$GIT_PROJECT_LOCATION"/.eslintrc"

echo ""
echo "# Running commit-msg git hook"
echo "# ------------------------------------------------------"
echo "# Location:      $GIT_PROJECT_LOCATION"
echo "# Branch:        $GIT_PROJECT_BRANCH"
echo "# Last revision: $GIT_PROJECT_LATEST_REVISION"

# assume success
ALLOW_COMMIT=1

# for every new file, copied and/or modified
# whose extension matches .js
# run eslint whitelistingg globals (require and export)

LINTABLE=$(git diff --name-only --staged --diff-filter ARCM '*.js') 

if [ -z "$LINTABLE" ]; then
  echo "# No js modified files. Skip lint verification"
  echo "# Proceeding to commit your changes"
  echo "# Good Bye"
  exit 0
fi;

echo ""
echo "...please stand by eslint had started to verify staged changes..."
echo ""

for LINTME in $LINTABLE; 
  do

    LINTCMD=$(eslint --global require --global exports:true --quiet $LINTME 2>&1)
    
    if [ $? -ne 0 ]; then
         echo "$LINTCMD" && ALLOW_COMMIT=0;
    fi;

done;

echo ""

if [ $ALLOW_COMMIT -eq 1 ]; then
  echo "# Code looks OK"
  echo "# Commiting now..."  
  echo "# Bye"
  exit  0
fi;

echo "# Sorry!"
echo "# Your Commit Had Been Rejected"
echo "# Code you are trying to commit did not pass code style verification"
echo "# See $ESLINT_FILE_PATH for guidelines"
echo "# Apply fix(es) and commit again"
echo "# Good bye..."

exit 1