GIT_OBJECT_DIRECTORY handling broken on master.kernel.org?

Daily kernel snapshots broke again. Trying to access, literally, "GIT_OBJECT_DIRECTORY".

hera /home/dwmw2 $ export GIT_DIR=/pub/scm/linux/kernel/git/torvalds/linux-2.6.git hera /home/dwmw2 $ git-rev-parse --revs-only 00d7a7358e3f9f2575501674e604fe4c6700b365 00d7a7358e3f9f2575501674e604fe4c6700b365 hera /home/dwmw2 $ export GIT_OBJECT_DIRECTORY=/pub/scm/linux/kernel/git/torvalds/linux-2.6.git/objects hera /home/dwmw2 $ git-rev-parse --revs-only 00d7a7358e3f9f2575501674e604fe4c6700b365 fatal: Not a git repository: '/pub/scm/linux/kernel/git/torvalds/linux-2.6.git' hera /home/dwmw2 $ strace git-rev-parse --revs-only 00d7a7358e3f9f2575501674e604fe4c6700b365 2>&1 | tail access("/pub/scm/linux/kernel/git/torvalds/linux-2.6.git/refs", X_OK) = 0 lstat64("/pub/scm/linux/kernel/git/torvalds/linux-2.6.git/HEAD", {st_mode=S_IFLNK|0777, st_size=17, ...}) = 0 readlink("/pub/scm/linux/kernel/git/torvalds/linux-2.6.git/HEAD", "refs/heads/master", 255) = 17 access("GIT_OBJECT_DIRECTORY", X_OK) = -1 ENOENT (No such file or directory) write(2, "fatal: ", 7fatal: ) = 7 write(2, "Not a git repository: \'/pub/scm/"..., 72Not a git repository: '/pub/scm/linux/kernel/git/torvalds/linux-2.6.git') = 72 write(2, "\n", 1 ) = 1 exit_group(128) = ? Process 30646 detached