$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Build-Tiny.git /var/lib/mock/f40-build-2626933-65316/root/chroot_tmpdir/scmroot/perl-Module-Build-Tiny
Cloning into '/var/lib/mock/f40-build-2626933-65316/root/chroot_tmpdir/scmroot/perl-Module-Build-Tiny'...
$ git fetch origin b7b60e1db3b246a069c8f56120e895c8ab0db972:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Build-Tiny
 * [new ref]         b7b60e1db3b246a069c8f56120e895c8ab0db972 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7b60e1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild