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Add ref input parameter

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Michal Dorner 2021-04-07 22:32:59 +02:00
parent 208adf42c8
commit 37a6d38b2d
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GPG key ID: 9EEE04B48DA36786
4 changed files with 62 additions and 36 deletions
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36
src/git.ts
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@ -54,30 +54,38 @@ export async function getChangesOnHead(): Promise<File[]> {
return parseGitDiffOutput(output)
}
export async function getChangesSinceMergeBase(base: string, ref: string, initialFetchDepth: number): Promise<File[]> {
export async function getChangesSinceMergeBase(base: string, head: string, initialFetchDepth: number): Promise<File[]> {
let baseRef: string | undefined
let headRef: string | undefined
async function hasMergeBase(): Promise<boolean> {
return (
baseRef !== undefined && (await exec('git', ['merge-base', baseRef, ref], {ignoreReturnCode: true})).code === 0
)
if (baseRef === undefined || headRef === undefined) {
return false
}
return (await exec('git', ['merge-base', baseRef, headRef], {ignoreReturnCode: true})).code === 0
}
let noMergeBase = false
core.startGroup(`Searching for merge-base ${base}...${ref}`)
core.startGroup(`Searching for merge-base ${base}...${headRef}`)
try {
baseRef = await getFullRef(base)
headRef = await getFullRef(head)
if (!(await hasMergeBase())) {
await exec('git', ['fetch', '--no-tags', `--depth=${initialFetchDepth}`, 'origin', base, ref])
if (baseRef === undefined) {
baseRef = await getFullRef(base)
if (baseRef === undefined) {
await exec('git', ['fetch', '--tags', '--depth=1', 'origin', base, ref], {
await exec('git', ['fetch', '--no-tags', `--depth=${initialFetchDepth}`, 'origin', base, head])
if (baseRef === undefined || headRef === undefined) {
baseRef = baseRef ?? (await getFullRef(base))
headRef = headRef ?? (await getFullRef(head))
if (baseRef === undefined || headRef === undefined) {
await exec('git', ['fetch', '--tags', '--depth=1', 'origin', base, head], {
ignoreReturnCode: true // returns exit code 1 if tags on remote were updated - we can safely ignore it
})
baseRef = await getFullRef(base)
baseRef = baseRef ?? (await getFullRef(base))
headRef = headRef ?? (await getFullRef(head))
if (baseRef === undefined) {
throw new Error(`Could not determine what is ${base} - fetch works but it's not a branch or tag`)
}
if (headRef === undefined) {
throw new Error(`Could not determine what is ${head} - fetch works but it's not a branch or tag`)
}
}
}
@ -85,7 +93,7 @@ export async function getChangesSinceMergeBase(base: string, ref: string, initia
let lastCommitCount = await getCommitCount()
while (!(await hasMergeBase())) {
depth = Math.min(depth * 2, Number.MAX_SAFE_INTEGER)
await exec('git', ['fetch', `--deepen=${depth}`, 'origin', base, ref])
await exec('git', ['fetch', `--deepen=${depth}`, 'origin', base, head])
const commitCount = await getCommitCount()
if (commitCount === lastCommitCount) {
core.info('No more commits were fetched')
@ -103,10 +111,10 @@ export async function getChangesSinceMergeBase(base: string, ref: string, initia
core.endGroup()
}
let diffArg = `${baseRef}...${ref}`
let diffArg = `${baseRef}...${headRef}`
if (noMergeBase) {
core.warning('No merge base found - change detection will use direct <commit>..<commit> comparison')
diffArg = `${baseRef}..${ref}`
diffArg = `${baseRef}..${headRef}`
}
// Get changes introduced on ref compared to base