$ git clone -n https://src.fedoraproject.org/rpms/perl-Glib.git /var/lib/mock/f40-build-779373-130302/root/chroot_tmpdir/scmroot/perl-Glib
Cloning into '/var/lib/mock/f40-build-779373-130302/root/chroot_tmpdir/scmroot/perl-Glib'...
$ git fetch origin 375448e7a2e3ba4c75b31c9c43671742e8941c3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Glib
 * [new ref]         375448e7a2e3ba4c75b31c9c43671742e8941c3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 375448e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild