gclient revinfo: Add options to filter by path or url.

Add --path and --url options to show only the dependencies that match
one of the given paths or URLs.

Bug: None
Change-Id: I12c205545b7ce54b56abcd62f9bf1db229b4fd77
Reviewed-on: https://chromium-review.googlesource.com/951963Reviewed-by: Aaron Gable <agable@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>

gclient.py

@@ -1762,6 +1762,15 @@ it or fix the checkout.
         work_queue.enqueue(s)
     work_queue.flush({}, None, [], options=self._options)
 
+    def ShouldPrintRevision(path, rev):
+      if not self._options.path and not self._options.url:
+        return True
+      if self._options.path and path in self._options.path:
+        return True
+      if self._options.url and rev and rev.split('@')[0] in self._options.url:
+        return True
+      return False
+
     def GetURLAndRev(dep):
       """Returns the revision-qualified SCM url for a Dependency."""
       if dep.parsed_url is None:
@@ -1781,7 +1790,9 @@ it or fix the checkout.
         def GrabDeps(dep):
           """Recursively grab dependencies."""
           for d in dep.dependencies:
-            entries[d.name] = GetURLAndRev(d)
+            rev = GetURLAndRev(d)
+            if ShouldPrintRevision(d.name, rev):
+              entries[d.name] = rev
             GrabDeps(d)
         GrabDeps(d)
         custom_deps = []
@@ -1804,9 +1815,11 @@ it or fix the checkout.
       entries = {}
       for d in self.root.subtree(False):
         if self._options.actual:
-          entries[d.name] = GetURLAndRev(d)
+          rev = GetURLAndRev(d)
         else:
-          entries[d.name] = d.parsed_url
+          rev = d.parsed_url
+        if ShouldPrintRevision(d.name, rev):
+          entries[d.name] = rev
       keys = sorted(entries.keys())
       for x in keys:
         print('%s: %s' % (x, entries[x]))
@@ -2784,6 +2797,12 @@ def CMDrevinfo(parser, args):
                     help='creates a snapshot .gclient file of the current '
                          'version of all repositories to reproduce the tree, '
                          'implies -a')
+  parser.add_option('-u', '--url', action='append',
+                     help='Display revision information only for the specified '
+                          'URLs.')
+  parser.add_option('-p', '--path', action='append',
+                     help='Display revision information only for the specified '
+                          'paths.')
   (options, args) = parser.parse_args(args)
   client = GClient.LoadCurrentConfig(options)
   if not client:

tests/gclient_smoketest.py

@@ -634,6 +634,12 @@ class GClientSmokeGIT(GClientSmokeBase):
             'hash2': self.githash('repo_2', 1)[:7],
           })
     self.check((out, '', 0), results)
+
+  def testRevInfoActual(self):
+    if not self.enabled:
+      return
+    self.gclient(['config', self.git_base + 'repo_1', '--name', 'src'])
+    self.gclient(['sync', '--deps', 'mac'])
     results = self.gclient(['revinfo', '--deps', 'mac', '--actual'])
     out = ('src: %(base)srepo_1@%(hash1)s\n'
            'src/repo2: %(base)srepo_2@%(hash2)s\n'
@@ -646,6 +652,47 @@ class GClientSmokeGIT(GClientSmokeBase):
           })
     self.check((out, '', 0), results)
 
+  def testRevInfoFilterPath(self):
+    if not self.enabled:
+      return
+    self.gclient(['config', self.git_base + 'repo_1', '--name', 'src'])
+    self.gclient(['sync', '--deps', 'mac'])
+    results = self.gclient(['revinfo', '--deps', 'mac', '--path', 'src'])
+    out = ('src: %(base)srepo_1\n' %
+          {
+            'base': self.git_base,
+          })
+    self.check((out, '', 0), results)
+
+  def testRevInfoFilterURL(self):
+    if not self.enabled:
+      return
+    self.gclient(['config', self.git_base + 'repo_1', '--name', 'src'])
+    self.gclient(['sync', '--deps', 'mac'])
+    results = self.gclient(['revinfo', '--deps', 'mac',
+                            '--url', '%srepo_2' % self.git_base])
+    out = ('src/repo2: %(base)srepo_2@%(hash2)s\n' %
+          {
+            'base': self.git_base,
+            'hash2': self.githash('repo_2', 1)[:7],
+          })
+    self.check((out, '', 0), results)
+
+  def testRevInfoFilterURLOrPath(self):
+    if not self.enabled:
+      return
+    self.gclient(['config', self.git_base + 'repo_1', '--name', 'src'])
+    self.gclient(['sync', '--deps', 'mac'])
+    results = self.gclient(['revinfo', '--deps', 'mac', '--path', 'src',
+                            '--url', '%srepo_2' % self.git_base])
+    out = ('src: %(base)srepo_1\n'
+           'src/repo2: %(base)srepo_2@%(hash2)s\n' %
+          {
+            'base': self.git_base,
+            'hash2': self.githash('repo_2', 1)[:7],
+          })
+    self.check((out, '', 0), results)
+
   def testFlatten(self):
     if not self.enabled:
       return