refactor: avoid unused GIT override

Author: Eli Skeggs

src/index.js

@@ -6,8 +6,7 @@ const commitlint = require('@commitlint/cli');
 const IF_CI = !!argv.ifCi;
 const PR_ONLY = !!argv.prOnly;
 
-// Allow to override used bins for testing purposes
-const GIT = process.env.JENKINS_COMMITLINT_GIT_BIN || 'git';
+// Allow override of used bins for testing purposes
 const COMMITLINT = process.env.JENKINS_COMMITLINT_BIN;
 
 const REQUIRED = ['GIT_COMMIT'];
@@ -50,7 +49,7 @@ async function main() {
 }
 
 async function getBase({ branch, tip = 'HEAD' }) {
-  const result = await execa(GIT, ['merge-base', branch, tip]);
+  const result = await execa('git', ['merge-base', branch, tip]);
   return result.stdout;
 }
 
@@ -62,7 +61,7 @@ async function lint(args, options) {
 }
 
 async function rawCommit(hash) {
-  const result = await execa(GIT, ['show', '--pretty=format:%B', hash]);
+  const result = await execa('git', ['show', '--pretty=format:%B', hash]);
   return result.stdout;
 }