From e881685d4e39dba7f231b2024a64973e9c029f19 Mon Sep 17 00:00:00 2001
From: magges <info@mp-mueller.de>
Date: Mon, 6 Jul 2026 00:01:01 +0200
Subject: [PATCH] Use monotonic Mesa upstream versioning

---
 README.md                         | 1 +
 scripts/build-mesa-opt.sh         | 5 +++--
 scripts/generate-release-notes.sh | 7 ++++---
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 71862be..2fea8a0 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ System-Mesa genutzt werden kann.
 - Installationspfad: `/opt/mesa-git`
 - Wrapper: `/usr/bin/mesa-git-env`
 - Ausgabe: `mesa-git_<version>_amd64.deb`
+- Versionsschema: `<mesa-version>+r<mesa-commit-count>.<mesa-sha>-<debian-revision>`
 
 ## Build-Profil
 
diff --git a/scripts/build-mesa-opt.sh b/scripts/build-mesa-opt.sh
index 42d8801..fbbc5c1 100644
--- a/scripts/build-mesa-opt.sh
+++ b/scripts/build-mesa-opt.sh
@@ -83,9 +83,9 @@ detect_upstream_version() {
 
 GIT_SHA=$(git -C "${SRC_DIR}" rev-parse --short=12 HEAD)
 GIT_SHA_FULL=$(git -C "${SRC_DIR}" rev-parse HEAD)
+UPSTREAM_COMMIT_COUNT=$(git -C "${SRC_DIR}" rev-list --count HEAD)
 UPSTREAM_VERSION="${PACKAGE_VERSION_PREFIX:-$(detect_upstream_version "${SRC_DIR}")}"
-UPSTREAM_SERIES="$(printf '%s' "${UPSTREAM_VERSION}" | sed -E 's/^([0-9]+\.[0-9]+).*/\1/')"
-PACKAGE_VERSION="${UPSTREAM_SERIES}+git${GIT_SHA}-${PACKAGE_RELEASE}"
+PACKAGE_VERSION="${UPSTREAM_VERSION}+r${UPSTREAM_COMMIT_COUNT}.${GIT_SHA}-${PACKAGE_RELEASE}"
 OUTPUT_DEB="${DIST_DIR}/${PACKAGE_NAME}_${PACKAGE_VERSION}_${PACKAGE_ARCH}.deb"
 
 meson setup "${BUILD_DIR}" "${SRC_DIR}" \
@@ -157,6 +157,7 @@ PACKAGE_NAME=${PACKAGE_NAME}
 PACKAGE_VERSION=${PACKAGE_VERSION}
 PACKAGE_FILE=$(basename "${OUTPUT_DEB}")
 PACKAGE_ARCH=${PACKAGE_ARCH}
+UPSTREAM_COMMIT_COUNT=${UPSTREAM_COMMIT_COUNT}
 APT_SUITE=${APT_SUITE:-stable}
 APT_COMPONENT=${APT_COMPONENT:-main}
 APT_PUBLIC_BASE_URL=${APT_PUBLIC_BASE_URL:-}
diff --git a/scripts/generate-release-notes.sh b/scripts/generate-release-notes.sh
index ce80a3f..e7c4035 100644
--- a/scripts/generate-release-notes.sh
+++ b/scripts/generate-release-notes.sh
@@ -51,13 +51,14 @@ import sys
 releases = json.loads(sys.argv[1])
 current_tag = sys.argv[2]
 package_name = sys.argv[3]
-pattern = re.compile(rf"^{re.escape(package_name)}-.*\+git([0-9a-f]{{12}})-")
+tag_prefix = f"{package_name}-"
+pattern = re.compile(r"([0-9a-f]{7,40})-\d+$")
 
 for release in releases:
     tag = release.get("tag_name", "")
-    if tag == current_tag:
+    if tag == current_tag or not tag.startswith(tag_prefix):
         continue
-    match = pattern.match(tag)
+    match = pattern.search(tag)
     if match:
         print(match.group(1))
         print(release.get("target_commitish", ""))