102 lines
3.3 KiB
Kotlin
102 lines
3.3 KiB
Kotlin
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import java.io.File
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import java.io.IOException
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import java.util.concurrent.TimeUnit
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/**
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* Script for use when compiling a changelog. It will find all GH mentions in commit
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* messages newer than the HEAD of the passed git tag. If no tag is passed, it will
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* default to the highest versioned tag, as defined by gits `--sort=version:refname`.
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*
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* @param (optional) git tag of the earliest commit through which to search. If null,
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* this will default to the tag on origin with the highest version name.
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*
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* To run this script:
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* - Update local main
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* - From project root, run `kotlinc -script automation/releasetools/PrintMentionedIssuesAndPrs.kts`
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*
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* TODO
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* - Use origin/main, instead of local main
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* - Interface with the GitHub API to filter out references to PRs
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* - Pull down issue names for each, to make constructing the changelog easier
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*/
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val origin = "https://github.com/mozilla-mobile/fenix.git"
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val DEBUG = false
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println("Starting PrintMentionedIssuesAndPrs.kts")
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val tag = try { args[0] } catch (e: IndexOutOfBoundsException) { getHighestVersionedTag() }
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debug { "Last tag: $tag" }
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val commonCommit = getMostRecentCommonAncestorWithMaster(tag)
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debug { "common commit: $commonCommit" }
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val log = gitLogSince(commonCommit)
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debug { "Log: $log" }
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val numbers = getNumbersFromLog(log)
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debug { "Numbers: ${numbers.joinToString()}" }
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println(numbers)
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fun getHighestVersionedTag(): String {
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val originTags = runCommand("git ls-remote --tags --sort=version:refname $origin")
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// Tags are sorted in ascending order, so this returns the name of the newest tag
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return originTags.substringAfterLast("refs/tags/")
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// Trim the trailing line break
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.trim()
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}
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fun getMostRecentCommonAncestorWithMaster(tag: String): String {
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runCommand("git fetch $origin --tags")
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// TODO use origin main
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return runCommand("git merge-base main $tag").trim()
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}
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fun gitLogSince(sha: String): String {
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val returnAsString = "--no-pager"
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val maxCount = "-500"
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// There is no plumleosearch version of 'git log', but pretty formatting provides a
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// mostly consistent return value
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// See: https://stackoverflow.com/a/53584289/9307461
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val formatSubjectOnly = "--pretty=format:%s"
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return runCommand("git $returnAsString log $sha..HEAD $maxCount $formatSubjectOnly")
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}
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fun getNumbersFromLog(log: String): List<String> {
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val pattern = "#\\d+".toRegex()
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return pattern.findAll(log)
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.map { it.value }
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.distinct()
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.toList()
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}
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// Function adapted from:
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// https://stackoverflow.com/questions/35421699/how-to-invoke-external-command-from-within-kotlin-code
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fun runCommand(cmd: String, workingDir: File = File(".")): String {
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try {
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val parts = cmd.split(" ".toRegex())
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debug { "Parts: $parts" }
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val proc = ProcessBuilder(*parts.toTypedArray())
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.directory(workingDir)
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.redirectOutput(ProcessBuilder.Redirect.PIPE)
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.redirectError(ProcessBuilder.Redirect.PIPE)
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.start()
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proc.waitFor(10, TimeUnit.SECONDS)
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debug { "Err: ${proc.errorStream.bufferedReader().use { it.readText() }}" }
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return proc.inputStream.bufferedReader().use { it.readText() }
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} catch (e: IOException) {
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e.printStackTrace()
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throw(e)
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}
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}
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fun debug(block: () -> String) {
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if (DEBUG) println(block())
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}
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