$ git clone -n https://src.fedoraproject.org/rpms/perl-Directory-Scratch.git /var/lib/mock/f39-build-1438596-32219/root/chroot_tmpdir/scmroot/perl-Directory-Scratch
Cloning into '/var/lib/mock/f39-build-1438596-32219/root/chroot_tmpdir/scmroot/perl-Directory-Scratch'...
$ git fetch origin c94248653d3bcd78dba0a0fb736fe4548dba97d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Directory-Scratch
 * [new ref]         c94248653d3bcd78dba0a0fb736fe4548dba97d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c942486 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild