$ git clone -n https://src.fedoraproject.org/rpms/rust-librsvg.git /var/lib/mock/f39-build-1670331-40849/root/chroot_tmpdir/scmroot/rust-librsvg
Cloning into '/var/lib/mock/f39-build-1670331-40849/root/chroot_tmpdir/scmroot/rust-librsvg'...
$ git fetch origin 0500a9c842c2d4a97c734f2e8ee420971b22ee4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-librsvg
 * [new ref]         0500a9c842c2d4a97c734f2e8ee420971b22ee4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0500a9c Update to 2.57.0