$ git clone -n https://src.fedoraproject.org/rpms/perl-Authen-Krb5-Admin.git /var/lib/mock/f40-build-779870-130508/root/chroot_tmpdir/scmroot/perl-Authen-Krb5-Admin
Cloning into '/var/lib/mock/f40-build-779870-130508/root/chroot_tmpdir/scmroot/perl-Authen-Krb5-Admin'...
$ git fetch origin a8caf7acba16711b68f21e84f1b47869ccf6cbe0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Authen-Krb5-Admin
 * [new ref]         a8caf7acba16711b68f21e84f1b47869ccf6cbe0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8caf7a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild