$ git clone -n https://src.fedoraproject.org/rpms/libmcrypt.git /var/lib/mock/f39-build-1457941-33026/root/chroot_tmpdir/scmroot/libmcrypt
Cloning into '/var/lib/mock/f39-build-1457941-33026/root/chroot_tmpdir/scmroot/libmcrypt'...
$ git fetch origin 2525078da7f09dc06c515e4f574851d8020c3ce1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmcrypt
 * [new ref]         2525078da7f09dc06c515e4f574851d8020c3ce1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2525078 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild