$ git clone -n https://src.fedoraproject.org/rpms/mod_perl.git /var/lib/mock/f39-build-1596763-38400/root/chroot_tmpdir/scmroot/mod_perl
Cloning into '/var/lib/mock/f39-build-1596763-38400/root/chroot_tmpdir/scmroot/mod_perl'...
$ git fetch origin 5a2e3a946651641201861a0d97fdcb5c911c812b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mod_perl
 * [new ref]         5a2e3a946651641201861a0d97fdcb5c911c812b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a2e3a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild