bitbake/fetch2/git: Switch to completely use bare clones

We no longer need index/workdir support in the mirror tree and it causes all
kind of reference naming problems.Simplifying the code to remove this and use
just bare clones addresses this problem.

We increase the "version" number on the mirror tarballs to reflect the change
and ensure older mirror tarballs are not used as they would break.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 9 deletions

diff --git a/bitbake/lib/bb/fetch2/git.py b/bitbake/lib/bb/fetch2/git.py
index ba8126f003..a4a1278b68 100644
--- a/bitbake/lib/bb/fetch2/git.py
+++ b/bitbake/lib/bb/fetch2/git.py
@@ -66,7 +66,7 @@ class Git(Fetch):
             ud.branches[name] = branch
 
         gitsrcname = '%s%s' % (ud.host, ud.path.replace('/', '.'))
-        ud.mirrortarball = 'git_%s.tar.gz' % (gitsrcname)
+        ud.mirrortarball = 'git2_%s.tar.gz' % (gitsrcname)
         ud.clonedir = os.path.join(data.expand('${GITDIR}', d), gitsrcname)
 
         ud.basecmd = data.getVar("FETCHCMD_git", d, True) or "git"
@@ -116,8 +116,8 @@ class Git(Fetch):
 
         # If the repo still doesn't exist, fallback to cloning it
         if not os.path.exists(ud.clonedir):
-            bb.fetch2.check_network_access(d, "git clone %s%s" % (ud.host, ud.path))
-            runfetchcmd("%s clone -n %s://%s%s%s %s" % (ud.basecmd, ud.proto, username, ud.host, ud.path, ud.clonedir), d)
+            bb.fetch2.check_network_access(d, "git clone --bare %s%s" % (ud.host, ud.path))
+            runfetchcmd("%s clone --bare %s://%s%s%s %s" % (ud.basecmd, ud.proto, username, ud.host, ud.path, ud.clonedir), d)
 
         os.chdir(ud.clonedir)
         # Update the checkout if needed
@@ -147,7 +147,7 @@ class Git(Fetch):
         mirror_tarballs = data.getVar("BB_GENERATE_MIRROR_TARBALLS", d, True)
         if mirror_tarballs != "0" and ud.repochanged:
             logger.info("Creating tarball of git repository")
-            runfetchcmd("tar -czf %s %s" % (repofile, os.path.join(".", ".git", "*") ), d)
+            runfetchcmd("tar -czf %s %s" % (repofile, os.path.join(".") ), d)
 
     def unpack(self, ud, destdir, d):
         """ unpack the downloaded src to destdir"""
@@ -163,11 +163,6 @@ class Git(Fetch):
             bb.utils.prunedir(destdir)
 
         runfetchcmd("git clone -s -n %s %s" % (ud.clonedir, destdir), d)
-        if os.path.exists("%s/.git/refs/remotes/origin" % ud.clonedir):
-            bb.mkdirhier("%s/.git/refs/remotes/origin/" % destdir)
-            runfetchcmd("cp -af %s/.git/refs/remotes/origin/* %s/.git/refs/remotes/origin/" %(ud.clonedir, destdir), d)
-        if os.path.exists("%s/.git/packed-refs" % ud.clonedir):
-            runfetchcmd("cp -af %s/.git/packed-refs %s/.git/" %(ud.clonedir, destdir), d)
         if not ud.nocheckout:
             os.chdir(destdir)
             runfetchcmd("%s read-tree %s%s" % (ud.basecmd, ud.revisions[ud.names[0]], readpathspec), d)