chore: match the bump commit exactly, reverts should not count (electron#14208)

trop[bot] · MarshallOfSound · commit 79a13821261d · 2018-08-19T14:45:49.000-07:00
diff --git a/script/prepare-release.js b/script/prepare-release.js
@@ -250,7 +250,7 @@ async function promptForVersion (version) {
 
 // function to determine if there have been commits to master since the last release
 async function changesToRelease () {
-  let lastCommitWasRelease = new RegExp(`Bump v[0-9.]*(-beta[0-9.]*)?(-nightly[0-9.]*)?`, 'g')
+  let lastCommitWasRelease = new RegExp(`^Bump v[0-9.]*(-beta[0-9.]*)?(-nightly[0-9.]*)?$`, 'g')
   let lastCommit = await GitProcess.exec(['log', '-n', '1', `--pretty=format:'%s'`], gitDir)
   return !lastCommitWasRelease.test(lastCommit.stdout)
 }

Original file line number	Diff line number	Diff line change
`@@ -250,7 +250,7 @@ async function promptForVersion (version) {`
`250`	`250`
`251`	`251`	`// function to determine if there have been commits to master since the last release`
`252`	`252`	`async function changesToRelease () {`
`253`		- let lastCommitWasRelease = new RegExp(`Bump v[0-9.](-beta[0-9.])?(-nightly[0-9.]*)?`, 'g')
	`253`	+ let lastCommitWasRelease = new RegExp(`^Bump v[0-9.](-beta[0-9.])?(-nightly[0-9.]*)?$`, 'g')
`254`	`254`	let lastCommit = await GitProcess.exec(['log', '-n', '1', `--pretty=format:'%s'`], gitDir)
`255`	`255`	`return !lastCommitWasRelease.test(lastCommit.stdout)`
`256`	`256`	`}`