Check if file with certain extension exists in a commit #nodejs #git

git-files-match.sh

 #!/bin/bash

# Usage: 
#	./scripts/git-files d304b82
#
# Or in script:
#	
# if [ `sh ./scripts/git-files d304b82` -gt 0 ]; 
# 	then 
# 		echo "matches"; 
# 	else 
# 		echo "no match"; 
# fi

COMMIT_HASH=$1;
# MATCHES=(
# 	"components\/*" 
# 	"README"
# );
# PATTERN=`echo "${MATCHES[@]}" | tr ' ' '|'`;

git diff-tree --no-commit-id --name-only -r ${COMMIT_HASH} | awk -F ': ' '/components\/*|README/' | wc -l | xargs;

isFileTypeInCommit.js

#!/usr/bin/env node -e

/**
 * Check if file with certain extension exists in a commit
 *
 * Usage in CLI:
 *  `node isFileTypeInCommit.js ext COMMIT_HASH`
 *
 *  node >= v8.0.0
 *
 *  Useage in script:
 *    `if [ "$(node isFileTypeInCommit.js json 37c5139ea)" == "true" ]; then echo "yes"; else echo "no"; fi`
 */

const util = require('util');
const exec = util.promisify(require('child_process').exec);
const [ , , extension, commitHash ] = process.argv;
const listFiles = `git diff-tree --no-commit-id --name-only -r ${commitHash}`;

if (process.argv.length !== 4) {
  throw new Error(`Usage: "node isFileTypeInCommit.js ext COMMIT_HASH"`);
}

(isFileTypeInCommit = async () => {
  const { stdout, stderr } = await exec(listFiles);

  if (stderr) throw new Error(`Error: ${stderr}`);

  const filesList = stdout.split('\n');
  const matchFiles = filesList.filter(el => el.endsWith(`.${extension}`));

  console.log(matchFiles.length > 0);
})();