From f158a9d8b06834e5ab132e658913a7535175d0aa Mon Sep 17 00:00:00 2001
From: Linnea Gräf <nea@nea.moe>
Date: Fri, 15 Nov 2024 00:27:53 +0100
Subject: build: Upgrade versioning to handle multiple minecraft versions

---
 build.gradle.kts              |  2 +-
 buildSrc/src/lookupversion.kt | 35 +++++++++++++++++------------------
 docs/release_script.sh        | 16 ++++++++++++----
 3 files changed, 30 insertions(+), 23 deletions(-)

diff --git a/build.gradle.kts b/build.gradle.kts
index 53b0b87..91ab9e4 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -31,7 +31,7 @@ plugins {
 	id("moe.nea.mc-auto-translations") version "0.1.0"
 }
 
-version = getGitTagInfo() + "-mc${libs.versions.minecraft.get()}"
+version = getGitTagInfo(libs.versions.minecraft.get())
 group = rootProject.property("maven_group").toString()
 
 java {
diff --git a/buildSrc/src/lookupversion.kt b/buildSrc/src/lookupversion.kt
index 53b2df9..0f1b0c1 100644
--- a/buildSrc/src/lookupversion.kt
+++ b/buildSrc/src/lookupversion.kt
@@ -1,26 +1,25 @@
-
 fun execString(vararg args: String): String {
-    val pb = ProcessBuilder(*args)
-        .redirectOutput(ProcessBuilder.Redirect.PIPE)
-        .start()
-    pb.waitFor()
-    return pb.inputStream.readAllBytes().decodeToString().trim()
+	val pb = ProcessBuilder(*args)
+		.redirectOutput(ProcessBuilder.Redirect.PIPE)
+		.start()
+	pb.waitFor()
+	return pb.inputStream.readAllBytes().decodeToString().trim()
 }
 
-private val tag = "([0-9.]+)\\.0".toRegex()
-private val tagOffset = "([0-9.]+)\\.0-([0-9]+)..+".toRegex()
+private val tag = "([0-9.]+)(?:\\+.*)?".toRegex()
+private val tagOffset = "([0-9.]+)(?:\\+.*)?-([0-9]+)-(.+)".toRegex()
 
 inline fun <T> Regex.useMatcher(string: String, block: (MatchResult) -> T): T? {
-    return matchEntire(string)?.let(block)
+	return matchEntire(string)?.let(block)
 }
 
-fun getGitTagInfo(): String {
-    val str = execString("git", "describe", "--tags", "HEAD")
-    tag.useMatcher(str) {
-        return it.groupValues[0]
-    }
-    tagOffset.useMatcher(str) {
-        return it.groupValues[1] + "." + it.groupValues[2]
-    }
-    return "nogitversion"
+fun getGitTagInfo(mcVersion: String): String {
+	val str = execString("git", "describe", "--tags", "HEAD")
+	tag.useMatcher(str) {
+		return it.groupValues[1] + "+mc$mcVersion"
+	}
+	tagOffset.useMatcher(str) {
+		return it.groupValues[1] + "-dev+mc$mcVersion+" + it.groupValues[3]
+	}
+	return "nogitversion+mc$mcVersion"
 }
diff --git a/docs/release_script.sh b/docs/release_script.sh
index 4c79e60..43663b4 100755
--- a/docs/release_script.sh
+++ b/docs/release_script.sh
@@ -84,7 +84,6 @@ parse_commandline "$@"
 set -euo pipefail
 
 REMOTE=origin
-BRANCH=master
 
 basedir="$(dirname "$(dirname "$(realpath "$0")")")"
 echo "Found base directory at $basedir"
@@ -104,8 +103,10 @@ if [ -n "$(git status --porcelain)" ] && [ "$_arg_no_check" == off ]; then
     exit 1
 fi
 
-if ! [[ "$(git rev-parse --abbrev-ref HEAD)" = "$BRANCH" ]]; then
-    echo "Not on branch $BRANCH."
+current_branch="$(git rev-parse --abbrev-ref HEAD)"
+
+if ! [[ "$current_branch" = "master" ]] && ! [[ "$current_branch" = mc-* ]]; then
+    echo "Not on branch master or a mc- branch."
     exit 1
 fi
 
@@ -117,8 +118,15 @@ oldversion="$(git describe --tags --abbrev=0|tr -d '\n')"
 
 echo "Choosing old version as $oldversion"
 
+# TODO: auto choose next version based on a command line flag: --minor --hotfix --major as well as minecraft info from libs.versions.toml
 echo -n "Choosing next version as: "
 read newversion
+
+if ! [[ "$newversion" = *+mc* ]] && [ "$_arg_no_check" == off ]; then
+	echo "Illegal next version $newversion. Please use a.b.c+mcx.y.z"
+	exit 1
+fi
+
 echo "Confirming new version as $newversion"
 
 echo Committing release commit
@@ -153,7 +161,7 @@ cat "$releasenotes"
 echo ----------------------------------------------
 
 echo Pushing to github
-git push "$REMOTE" "$BRANCH" "$newversion"
+git push "$REMOTE" "HEAD" "$newversion"
 
 if command -v gh; then
     echo Creating github release
-- 
cgit