localrepo: write .hg/reponame on repo creation

Summary: Make dynamicconfig pick up the repo name because hgrc gets written.

Reviewed By: DurhamG

Differential Revision: D29428878

fbshipit-source-id: fbf578cd7c770a4541fff3b85ff40c40cd5a6cc5

eden/scm/edenscm/mercurial/hg.py

@@ -471,6 +471,7 @@ def clone(
     # Create the destination repo before we even open the connection to the
     # source, so we can use any repo-specific configuration for the connection.
     try:
+        # Note: This triggers hgrc.dynamic generation with empty repo hgrc.
         destpeer = peer(ui, peeropts, dest, create=True)
     except OSError as inst:
         if inst.errno == errno.EEXIST:

eden/scm/edenscm/mercurial/localrepo.py

@@ -455,6 +455,12 @@ class localrepository(object):
         elif create:
             raise errormod.RepoError(_("repository %s already exists") % path)
 
+        # Prepare .hg/reponame in localvfs before calling into dynamicconfig.
+        if created:
+            reponame = self.ui.config("remotefilelog", "reponame")
+            if reponame and not self.localvfs.exists("reponame"):
+                self.localvfs.writeutf8("reponame", reponame.strip())
+
         self.ui.reloadconfigs(self.root)
 
         self._loadextensions()

eden/scm/tests/test-bundle.t

@@ -184,6 +184,7 @@ Make sure bundlerepo doesn't leak tempfiles (issue2491)
   00changelog.i
   blackbox
   hgrc.dynamic
+  reponame
   requires
   store
   treestate

eden/scm/tests/test-debugdynamicconfig.t

@@ -44,7 +44,7 @@ Verify it can be automatically synchronously generated
   value
   $ cat .hg/hgrc.dynamic
   # version=4.4.2* (glob)
-  # reponame=
+  # reponame=reponame-default
   # canary=None
   # username=
   # Generated by `hg debugdynamicconfig` - DO NOT MODIFY
@@ -224,7 +224,7 @@ Verify we load and verify dynamicconfigs during clone
   Hook ran!
   $ cat client2/.hg/hgrc.dynamic
   # version=4.4.2* (glob)
-  # reponame=
+  # reponame=reponame-default
   # canary=None
   # username=
   # Generated by `hg debugdynamicconfig` - DO NOT MODIFY

eden/scm/tests/test-empty-t.py

@@ -28,6 +28,7 @@ sh % "ls .hg" == r"""
     00changelog.i
     blackbox
     hgrc.dynamic
+    reponame
     requires
     store
     treestate"""
@@ -54,6 +55,7 @@ sh % "ls .hg" == r"""
     dirstate
     hgrc
     hgrc.dynamic
+    reponame
     requires
     store
     treestate

eden/scm/tests/test-hggit-illegal-contents.t

@@ -121,6 +121,7 @@ you can't check out.
   importing git objects into hg
   warning: path 'nested/.hg/00changelog.i' is within a nested repository, which Mercurial cannot check out.
   warning: path 'nested/.hg/hgrc.dynamic' is within a nested repository, which Mercurial cannot check out.
+  warning: path 'nested/.hg/reponame' is within a nested repository, which Mercurial cannot check out.
   warning: path 'nested/.hg/requires' is within a nested repository, which Mercurial cannot check out.
   warning: path 'nested/.hg/store/metalog/blobs/index2-id' is within a nested repository, which Mercurial cannot check out.
   warning: path 'nested/.hg/store/metalog/blobs/log' is within a nested repository, which Mercurial cannot check out.

eden/scm/tests/test-inherit-mode.t

@@ -58,6 +58,7 @@ store is setgid
   00770 ./.hg/
   00600 ./.hg/00changelog.i
   00600 ./.hg/hgrc.dynamic
+  00600 ./.hg/reponame
   00600 ./.hg/requires
   00770 ./.hg/store/
   00600 ./.hg/store/requires
@@ -79,6 +80,7 @@ new directories are setgid
   00660 ./.hg/dirstate
   00600 ./.hg/hgrc.dynamic
   00660 ./.hg/last-message.txt
+  00600 ./.hg/reponame
   00600 ./.hg/requires
   00770 ./.hg/store/
   006?0 ./.hg/store/00changelog.d (glob)
@@ -122,6 +124,7 @@ group can write everything
   00770 ../push/.hg/
   00660 ../push/.hg/00changelog.i
   00660 ../push/.hg/hgrc.dynamic
+  00660 ../push/.hg/reponame
   00660 ../push/.hg/requires
   00770 ../push/.hg/store/
   00660 ../push/.hg/store/requires
@@ -138,6 +141,7 @@ XXX: treestate and allheads do not really respect this rule
   00660 ../push/.hg/00changelog.i
   00660 ../push/.hg/dirstate
   00660 ../push/.hg/hgrc.dynamic
+  00660 ../push/.hg/reponame
   00660 ../push/.hg/requires
   00770 ../push/.hg/store/
   006?0 ../push/.hg/store/00changelog.d (glob)