subrepo: show the source that git pulls

mercurial/subrepo.py

@@ -714,6 +714,12 b' class gitsubrepo(abstractsubrepo):'
             current = None
         return current
 
+    def _gitremote(self, remote):
+        out = self._gitcommand(['remote', 'show', '-n', remote])
+        line = out.split('\n')[1]
+        i = line.index('URL: ') + len('URL: ')
+        return line[i:]
+
     def _githavelocally(self, revision):
         out, code = self._gitdir(['cat-file', '-e', revision])
         return code == 0
@@ -768,7 +774,8 b' class gitsubrepo(abstractsubrepo):'
             self._gitnodir(['clone', source, self._abspath])
         if self._githavelocally(revision):
             return
-        self._ui.status(_('pulling subrepo %s\n') % self._relpath)
+        self._ui.status(_('pulling subrepo %s from %s\n') %
+                        (self._relpath, self._gitremote('origin')))
         # try only origin: the originally cloned repo
         self._gitcommand(['fetch'])
         if not self._githavelocally(revision):

tests/test-subrepo-git.t

@@ -155,7 +155,7 b' user a pulls, merges, commits'
   added 1 changesets with 1 changes to 1 files (+1 heads)
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg merge 2>/dev/null
-  pulling subrepo s
+  pulling subrepo s from $TESTTMP/gitroot
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ cat s/f
@@ -232,7 +232,7 b' sync to upstream git, distribute changes'
   $ cd ../tb
   $ hg pull -q
   $ hg update 2>/dev/null
-  pulling subrepo s
+  pulling subrepo s from $TESTTMP/gitroot
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg debugsub
   path s
@@ -262,7 +262,7 b' archive subrepos'
   $ cd ../tc
   $ hg pull -q
   $ hg archive --subrepos -r 5 ../archive 2>/dev/null
-  pulling subrepo s
+  pulling subrepo s from $TESTTMP/gitroot
   $ cd ../archive
   $ cat s/f
   f