git.hooks.pre-commit Maven / Gradle / Ivy

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This maven plugin enabled strong rules for formatting your java project, without relying on the IDEs formatting features

There is a newer version: 0.11

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#! /bin/bash

if ! [ -x "$(command -v git)" ]; then
  echo 'Error: git is not installed in path.' >&2
  exit 1
fi

if ! [ -x "$(command -v mvn)" ]; then
  echo 'Error: maven is not installed in path.' >&2
  exit 1
fi

echo running validation and formatting
#If -v is specified twice, then also show the changes in the working tree that have not yet been staged
before=`git status -v -v`
echo "format before the commit is stored"

# pattern will always be found with mvn validate, it cant fail even if compilation fails, 
# this helps waiting for mvn process to be done before going to git diffs
mvn clean validate | grep -e 'BUILD SUCCESS'
echo "format re-applied"


after=`git status -v -v`
echo "format after reformat compared to new format"


if [ "$before" != "$after" ]; then
	echo "\n"
	echo "COMMIT REJECTED Found unformatted code. Please check before commiting and try again"
	exit 1
fi