Add support to force a reset of the source code version

diff --git a/mass_build.py b/mass_build.py
index 1c84070b3d918ed7de24fdc76c00af8d8dbfe651..cdf511402caad26525c0acc6d46d581b55333b06 100755 (executable)
--- a/mass_build.py
+++ b/mass_build.py
@@ -11,6 +11,9 @@ parser.add_argument("-c, --config",
 parser.add_argument("--reconfigure",
                     action="store_true", dest="reconfigure",
                     help="Force configuration to be run")
+parser.add_argument("--reset-source",
+                    action="store_true", dest="reset_source",
+                    help="Reset sourcecode to the given version (removes local changes!)")
 parser.add_argument("--no-update",
                     action="store_false", dest="update",
                     help="Do not update modules before compilation")
@@ -20,6 +23,9 @@ parser.add_argument("--resume-from", metavar='MODULE',
 parser.add_argument("modules",  metavar='MODULE', nargs='*',
                     help="Manually specify modules to be built")
 args = parser.parse_args()
+# sanitize
+if args.reset_source and not args.update:
+       raise Exception("When no update is performed, no reset to the given version can be done either")
 
 # load config
 config = imp.load_source('config', args.config).__dict__
@@ -96,7 +102,7 @@ for project in workProjects:
        try:
                if args.update:
                        print "Updating module",project.sourceFolder()
-                       project.vcs.update()
+                       project.vcs.update(forceVersion=args.reset_source)
                print "Building module",project.sourceFolder()
                project.buildSystem.build(reconfigure=args.reconfigure)
                print

diff --git a/vcs.py b/vcs.py
index e30d31a9cb4d24e02483ea0cd261ae7eb4544267..0931bebf7963958e1c499c074a8c6742daf4a7be 100644 (file)
--- a/vcs.py
+++ b/vcs.py
@@ -13,7 +13,7 @@ class Git:
                def update(self, op_code, cur_count, max_count=None, message=''):
                        print self._cur_line+(" "*30)+"\r",
 
-       def update(self):
+       def update(self, forceVersion=False):
                isBranch = (self.commit.startswith('origin/'))
                if isBranch:
                        branchname = self.commit[len('origin/'):]
@@ -41,7 +41,10 @@ class Git:
                                branch.set_tracking_branch(origin.refs[branchname])
                # update it to the latest remote commit
                branch.checkout()
-               repo.git.rebase(self.commit)
+               if forceVersion:
+                       repo.head.reset(self.commit, working_tree=True)
+               else:
+                       repo.git.rebase(self.commit)
                print "...done",
                if repo.head.reference.commit != repo.commit(self.commit):
                        print "(keeping local patches around)",
@@ -60,9 +63,10 @@ class SVN:
                self.url = url
                self.versionName = versionName
 
-       def update(self):
+       def update(self, forceVersion=False):
                if os.path.exists(self.folder):
                        os.chdir(self.folder) # go into repository
+                       if forceVersion: subprocess.check_call(['svn', 'revert', '-R', '.'])
                        subprocess.check_call(['svn', 'switch', self.url]) # and update to the URL we got
                else:
                        subprocess.check_call(['svn', 'co', self.url, self.folder]) # just download it