$ git clone -n https://src.fedoraproject.org/rpms/perl-experimental.git /var/lib/mock/f40-build-2623826-65015/root/chroot_tmpdir/scmroot/perl-experimental
Cloning into '/var/lib/mock/f40-build-2623826-65015/root/chroot_tmpdir/scmroot/perl-experimental'...
$ git fetch origin 76d2621c7c77443383bf973340910f5e855c4195:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-experimental
 * [new ref]         76d2621c7c77443383bf973340910f5e855c4195 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76d2621 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild