$ git clone -n https://src.fedoraproject.org/rpms/libjcat.git /var/lib/mock/f40-build-2604761-63411/root/chroot_tmpdir/scmroot/libjcat
Cloning into '/var/lib/mock/f40-build-2604761-63411/root/chroot_tmpdir/scmroot/libjcat'...
$ git fetch origin 533d13384022514d132d48b7678ff85e7ab81c7a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libjcat
 * [new ref]         533d13384022514d132d48b7678ff85e7ab81c7a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 533d133 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild