$ git clone -n https://src.fedoraproject.org/rpms/libblockdev.git /var/lib/mock/f41-build-813750-148788/root/chroot_tmpdir/scmroot/libblockdev
Cloning into '/var/lib/mock/f41-build-813750-148788/root/chroot_tmpdir/scmroot/libblockdev'...
$ git fetch origin 71b2d56e2e490234ef5fc5666db450f1880f62e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libblockdev
 * [new ref]         71b2d56e2e490234ef5fc5666db450f1880f62e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71b2d56 Rebuilt for Python 3.13