$ git clone -n https://src.fedoraproject.org/rpms/rust-fd-lock2.git /var/lib/mock/f39-build-1501024-34812/root/chroot_tmpdir/scmroot/rust-fd-lock2
Cloning into '/var/lib/mock/f39-build-1501024-34812/root/chroot_tmpdir/scmroot/rust-fd-lock2'...
$ git fetch origin 263a09cc2639912ce04f6a6740e972e52bf5d68d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fd-lock2
 * [new ref]         263a09cc2639912ce04f6a6740e972e52bf5d68d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 263a09c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild