robojerk/codeql-action

Skip doing work if it is not necessary

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Simon Engledew 2021-03-22 15:50:04 +00:00
parent 36a9516acc
commit 9165099103
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GPG key ID: 84302E7B02FE8BCE
3 changed files with 11 additions and 3 deletions
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7
src/actions-util.ts
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@ -432,7 +432,12 @@ export async function getRef(): Promise<string> {
// than the 'merge' ref. If so, we want to convert the ref that
// we report back.
const pull_ref_regex = /refs\/pull\/(\d+)\/merge/;
if (!pull_ref_regex.test(ref)) {
return ref;
}
const head = await getCommitOid("HEAD");
// in actions/checkout@v2 we can check if git rev-parse HEAD == GITHUB_SHA
// in actions/checkout@v1 this may not be true as it checks out the repository
// using GITHUB_REF. There is a subtle race condition where
@ -440,7 +445,7 @@ export async function getRef(): Promise<string> {
// git git-parse GITHUB_REF == git rev-parse HEAD instead.
const hasChangedRef = sha !== head && (await getCommitOid(ref)) !== head;
if (pull_ref_regex.test(ref) && hasChangedRef) {
if (hasChangedRef) {
const newRef = ref.replace(pull_ref_regex, "refs/pull/$1/head");
core.debug(
`No longer on merge commit, rewriting ref from ${ref} to ${newRef}.`