Fix revision handling (should fix github/gitea reporting)

lib/worker_multibuild.py

@@ -81,8 +81,8 @@ def list_jobs(directory=".buildbot"):
     return results
 
 
-def get_revision():
-    proc = Popen(["git", "rev-parse", "HEAD"], stdout=PIPE)
+def get_revision(branch):
+    proc = Popen(["git", "rev-parse", branch], stdout=PIPE)
     retval = proc.stdout.read().strip()
     retval = retval.decode('utf-8')
     return retval
@@ -117,7 +117,7 @@ def _get_dockerfile_contents(dockerfile):
     return res + dockerfile_extra_contents[os_codename]
 
 
-def trigger_child_hooks(buildbotUrl: str, repository, branch, directory=".buildbot"):
+def trigger_child_hooks(buildbotUrl: str, repository, branch, revision, directory=".buildbot"):
     request_url = buildbotUrl + ty
     # List all jobs in the directory
     jobs = list_jobs(directory)
@@ -126,7 +126,7 @@ def trigger_child_hooks(buildbotUrl: str, repository, branch, directory=".buildb
         "X-Multibuild-Trigger": get_secret(),
         "Accept": "text/plain",
     }
-    revision = get_revision()
+    #revision = get_revision(branch)
 
     # Check if build.sh or test.sh exists in each of the jobs
     for job in jobs:
@@ -168,13 +168,14 @@ if __name__ == "__main__":
     # expect jobname, repository, branch, buildbotUrl from command line
     import sys
 
-    if len(sys.argv) == 4:
+    if len(sys.argv) == 5:
         buildbotUrl = sys.argv[1]
         repository = sys.argv[2]
         branch = sys.argv[3]
+        revision = sys.argv[4]
 
-        trigger_child_hooks(buildbotUrl, repository, branch)
+        trigger_child_hooks(buildbotUrl, repository, branch, revision)
     else:
         sys.exit(
-            "Usage: python3 multibuild.py <buildbotUrl> <repository> <branch>"
+            "Usage: python3 multibuild.py <buildbotUrl> <repository> <branch> <revision>"
         )

multibuild.py

@@ -40,7 +40,8 @@ def add_parent_step(build_factory):
                 '/usr/local/bin/worker_multibuild.py',
                 util.Property("buildboturl"),
                 util.Property('repository'),
-                util.Property('branch')
+                util.Property('branch'),
+                util.Property('revision')
             ],
         )
     )