$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Fake-HTTPD.git /var/lib/mock/f45-build-26652-618/root/chroot_tmpdir/scmroot/perl-Test-Fake-HTTPD
Cloning into '/var/lib/mock/f45-build-26652-618/root/chroot_tmpdir/scmroot/perl-Test-Fake-HTTPD'...
$ git fetch origin ede52607a1ba1622a8a0a2f5c2e08d1890a2e989:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Fake-HTTPD
 * [new ref]         ede52607a1ba1622a8a0a2f5c2e08d1890a2e989 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ede5260 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild