szkolnyplus/app/git-info.gradle

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/*
* Copyright (c) Kuba Szczodrzyński 2021-3-27.
*/
buildscript {
repositories {
google()
mavenCentral()
}
dependencies {
classpath "org.eclipse.jgit:org.eclipse.jgit:5.5.+"
}
}
import org.eclipse.jgit.api.Git
import org.eclipse.jgit.errors.RepositoryNotFoundException
import org.eclipse.jgit.lib.Constants
import org.eclipse.jgit.lib.Ref
import org.eclipse.jgit.lib.Repository
import org.eclipse.jgit.revwalk.RevCommit
import org.eclipse.jgit.revwalk.RevTag
import org.eclipse.jgit.revwalk.RevWalk
import org.eclipse.jgit.storage.file.FileRepositoryBuilder
private def getGit() {
Repository repo
try {
repo = new FileRepositoryBuilder()
.readEnvironment()
.findGitDir(project.projectDir)
.build()
} catch (IllegalArgumentException | RepositoryNotFoundException ignore) {
def logger = LoggerFactory.getLogger("androidGitVersion")
logger.error("No git repository reachable from ${project.projectDir}")
return results
}
return Git.wrap(repo)
}
private static def getTags(Repository repo, Git git) {
RevWalk walk = new RevWalk(repo)
def tags = git.tagList().call().findResults { ref ->
def obj = walk.parseAny(ref.getObjectId())
def name = null
if (obj instanceof RevTag) {
name = obj.getTagName()
} else if (obj instanceof RevCommit) {
name = Repository.shortenRefName(ref.name)
}
[obj.id, name]
}
walk.close()
return tags
}
private static def getLastTag(Repository repo, Git git, Ref head) {
def tags = getTags(repo, git)
RevWalk revs = new RevWalk(repo)
revs.markStart(revs.parseCommit(head.getObjectId()))
def revCount = 0
Collection<List> commitTags = null
for (RevCommit commit : revs) {
def tagsHere = tags.findAll { (it[0] == commit.id) }
if (tagsHere) {
commitTags = tagsHere.stream().map {
[it[0].name, it[1], revCount]
}.toArray()
break
}
revCount++
}
return commitTags.last()
}
private def buildGitInfo() {
Git git = getGit()
Repository repo = git.repository
def head = repo.findRef(Constants.HEAD).target
def remotes = git.remoteList().call()
.stream()
.map {
it.name + "(" + it.URIs.stream()
.map { it.rawPath.stripMargin('/').replace(".git", "") }
.toArray()
.join(", ") + ")"
}
.toArray()
.join("; ")
def status = git.status().call()
def dirty = status.hasUncommittedChanges()
def tag = getLastTag(repo, git, head)
def tagName = tag[1]
def tagRevCount = tag[2]
def result = [
hash : head.objectId.name,
branch : repo.branch,
dirty : dirty,
remotes : remotes,
unstaged : status.uncommittedChanges.join("; "),
tag : tagName,
revCount : tagRevCount,
version : """$tagName-$tagRevCount-g${head.objectId.name.substring(0, 8)}""" + (dirty ? ".dirty" : ""),
versionSuffix : """${repo.branch.replace("/", "_")}""" + (dirty ? ".dirty" : "")
]
return result
}
private static def getMapString(map) {
def hashMap = "new java.util.HashMap<String, String>() { {\n"
map.each { k, v -> hashMap += """\tput("${k}", "${v}");\n""" }
return hashMap + "} }"
}
ext {
gitInfo = buildGitInfo()
gitInfoMap = getMapString(gitInfo)
}