[PATCH] add gitbuildurl function

[Dan Horák]

gitbuildurl returns the SCM URL used to build a specified N-V-R, it's useful
for secondary arches where they can send the URL retrieved from primary koji
to secondary koji with something like
s390-koji build f18 $(koji gitbuildurl foo-1-1.fc18)
---
 src/pyrpkg/__init__.py |   11 ++++++++---
 src/pyrpkg/cli.py      |   18 ++++++++++++++++++
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/src/pyrpkg/__init__.py b/src/pyrpkg/__init__.py
index bd0e70a..f21a8e8 100644
--- a/src/pyrpkg/__init__.py
+++ b/src/pyrpkg/__init__.py
@@ -1098,8 +1098,8 @@ class Commands(object):
                             (branch, module))
         return output.split()[0]

-    def gitbuildhash(self, build):
-        """Determine the git hash used to produce a particular N-V-R"""
+    def gitbuildurl(self, build):
+        """Determine the SCM URL used to produce a particular N-V-R"""

# Get the build data from the nvr
         self.log.debug('Getting task data from the build system')
@@ -1111,9 +1111,14 @@ class Commands(object):
         taskinfo = self.anon_kojisession.getTaskRequest(bdata['task_id'])
         # taskinfo is a list of items, first item is the task url.
         # second is the build target.
+        return taskinfo[0]
+
+    def gitbuildhash(self, build):
+        """Determine the git hash used to produce a particular N-V-R"""
+
         # See if the build target starts with cvs or git
         hash = None
-        buildsource = taskinfo[0]
+        buildsource = self.gitbuildurl(build)
         if buildsource.startswith('cvs://'):
             # snag everyting after the last # mark
             cvstag = buildsource.rsplit('#')[-1]
diff --git a/src/pyrpkg/cli.py b/src/pyrpkg/cli.py
index 54cad63..572d566 100755
--- a/src/pyrpkg/cli.py
+++ b/src/pyrpkg/cli.py
@@ -156,6 +156,7 @@ class cliClient(object):
         self.register_diff()
         self.register_gimmespec()
         self.register_gitbuildhash()
+        self.register_gitbuildurl()
         self.register_giturl()
         self.register_import_srpm()
         self.register_install()
@@ -461,6 +462,20 @@ defined, packages will be built sequentially.""" %
                                          build to query.')
         gitbuildhash_parser.set_defaults(command = self.gitbuildhash)

+    def register_gitbuildurl(self):
+        """Register the gitbuildurl target"""
+
+        gitbuildurl_parser = self.subparsers.add_parser('gitbuildurl',
+                                          help = 'Print the SCM URL used '
+                                          'to build the provided n-v-r',
+                                          description = 'This will show you \
+                                          the URL string used to \
+                                          build the provided build n-v-r')
+        gitbuildurl_parser.add_argument('build',
+                                         help='name-version-release of the \
+                                         build to query.')
+        gitbuildurl_parser.set_defaults(command = self.gitbuildurl)
+
     def register_giturl(self):
         """Register the giturl target"""

@@ -1001,6 +1016,9 @@ defined, packages will be built sequentially.""" %
     def gitbuildhash(self):
         print(self.cmd.gitbuildhash(self.args.build))

+    def gitbuildurl(self):
+        print(self.cmd.gitbuildurl(self.args.build))
+
     def giturl(self):
         print(self.cmd.giturl())