add --limit option to buildhistory

NEWS

@@ -2,6 +2,7 @@
   - "my sr" is using the server side request collection to get right results
   - maintenance request offers to supersede old, but still open requests
   - add build --vm-telnet option for getting debug shell in KVM builds
+  - add buildhistory --limit option
   OBS 2.7 only:
   - add "addchannels" and "enablechannel" commands
   - support new package instances on branching when using -N parameter

osc/commandline.py

@@ -6088,6 +6088,8 @@ Please submit there instead, or use --nodevelproject to force direct submission.
 
     @cmdln.option('', '--csv', action='store_true',
                         help='generate output in CSV (separated by |)')
+    @cmdln.option('-l', '--limit', metavar='limit',
+                        help='for setting the number of results')
     @cmdln.alias('buildhist')
     def do_buildhistory(self, subcmd, opts, *args):
         """${cmd_name}: Shows the build history of a package
@@ -6126,7 +6128,7 @@ Please submit there instead, or use --nodevelproject to force direct submission.
         if opts.csv:
             format = 'csv'
 
-        print('\n'.join(get_buildhistory(apiurl, project, package, repository, arch, format)))
+        print('\n'.join(get_buildhistory(apiurl, project, package, repository, arch, format, opts.limit)))
 
     @cmdln.option('', '--csv', action='store_true',
                         help='generate output in CSV (separated by |)')

osc/core.py

@@ -5791,9 +5791,12 @@ def get_source_rev(apiurl, project, package, revision=None):
         e[k.tag] = k.text
     return e
 
-def get_buildhistory(apiurl, prj, package, repository, arch, format = 'text'):
+def get_buildhistory(apiurl, prj, package, repository, arch, format = 'text', limit = None):
     import time
-    u = makeurl(apiurl, ['build', prj, repository, arch, package, '_history'])
+    query = {}
+    if limit != None and int(limit) > 0:
+        query['limit'] = int(limit)
+    u = makeurl(apiurl, ['build', prj, repository, arch, package, '_history'], query)
     f = http_GET(u)
     root = ET.parse(f).getroot()