[rtems commit] cpukit: Add description of release version numbers

Christian Mauderer christianm at rtems.org
Fri May 28 06:24:33 UTC 2021


Module:    rtems
Branch:    5
Commit:    50a835393a6b90ace96843dba2280f2fa559b821
Changeset: http://git.rtems.org/rtems/commit/?id=50a835393a6b90ace96843dba2280f2fa559b821

Author:    Christian Mauderer <christian.mauderer at embedded-brains.de>
Date:      Wed May 26 09:39:13 2021 +0200

cpukit: Add description of release version numbers

The release version in the git sources doesn't change. Add a note why
that is the case.

---

 cpukit/include/rtems/version.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/cpukit/include/rtems/version.h b/cpukit/include/rtems/version.h
index a8aff73..2410402 100644
--- a/cpukit/include/rtems/version.h
+++ b/cpukit/include/rtems/version.h
@@ -29,6 +29,27 @@ extern "C" {
  *
  * @brief The Version API provides functions to return the version or parts of
  * the version of RTEMS you are using.
+ *
+ * A branch in the version control system will always fall back to a
+ * NOT-RELEASED version number with a minor number of 0. Only the release
+ * archives have a VERSION file with a final release number. That means for
+ * example that the 5 development branch will still show a version 5.0.0 even
+ * after the 5.1 release.
+ *
+ * The reason for that are the following:
+ *
+ * 1. All pre-release tests are performed with a specific git hash. A committed
+ * VERSION file would need to be changed and committed afterwards for releasing
+ * with the required release version causing the released version to have a
+ * different git hash and the test results couldn't be linked to the released
+ * version.
+ *
+ * 2. Users deploying RTEMS would need to commit a local change to a committed
+ * VERSION file and that would clash with the project changes. Deployment can
+ * use the project repos directly.
+ *
+ * 3. The VERSION file management and generation is the responsibility of the
+ * release manager and the release process.
  */
 /**@{**/
 



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