From 7b31535c25995dd2f6bc5e879324b27e615d5fe6 Mon Sep 17 00:00:00 2001
From: Jochen Sprickerhof <git@jochen.sprickerhof.de>
Date: Sat, 10 Sep 2022 13:01:57 +0200
Subject: [PATCH] git.getref: use python-git

Fixes a "warning: refname is ambiguous." problem:

$ git clone https://gitlab.com/joshua.tee/wx.git
$ cd wx
$ git rev-parse 55699
warning: refname '55699' is ambiguous.

https://gitlab.com/fdroid/fdroiddata/-/commit/8760bb0ce77f4bc97e6ad7a2e244d4ad2bb0c3e3#note_1090707468
---
 fdroidserver/common.py | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/fdroidserver/common.py b/fdroidserver/common.py
index 035ee506..6e2ae762 100644
--- a/fdroidserver/common.py
+++ b/fdroidserver/common.py
@@ -1252,12 +1252,10 @@ class vcs_git(vcs):
 
     def getref(self, revname='HEAD'):
         self.checkrepo()
-        p = FDroidPopen(['git', 'rev-parse', '--verify',
-                         '{revname}^{{commit}}'.format(revname=revname)], cwd=self.local,
-                        output=False)
-        if p.returncode != 0:
+        repo = git.Repo(self.local)
+        if not repo.is_valid_object(revname):
             return None
-        return p.output.strip()
+        return repo.commit(revname).hexsha
 
 
 class vcs_gitsvn(vcs):