$ git clone -n https://src.fedoraproject.org/rpms/rust-bit-vec.git /var/lib/mock/f40-build-2053794-49096/root/chroot_tmpdir/scmroot/rust-bit-vec
Cloning into '/var/lib/mock/f40-build-2053794-49096/root/chroot_tmpdir/scmroot/rust-bit-vec'...
$ git fetch origin 24ce20fdd68052ba6c1ede05ee962070867e15af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bit-vec
 * [new ref]         24ce20fdd68052ba6c1ede05ee962070867e15af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24ce20f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild