$ git clone -n https://src.fedoraproject.org/rpms/perl-AuthCAS.git /var/lib/mock/f40-build-2619984-64639/root/chroot_tmpdir/scmroot/perl-AuthCAS
Cloning into '/var/lib/mock/f40-build-2619984-64639/root/chroot_tmpdir/scmroot/perl-AuthCAS'...
$ git fetch origin 676492286fe0a1a2b6d45d8ab1e4dd2cf0e0acfc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-AuthCAS
 * [new ref]         676492286fe0a1a2b6d45d8ab1e4dd2cf0e0acfc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6764922 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild