$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-LWP-UserAgent.git /var/lib/mock/f45-build-26703-618/root/chroot_tmpdir/scmroot/perl-Test-LWP-UserAgent
Cloning into '/var/lib/mock/f45-build-26703-618/root/chroot_tmpdir/scmroot/perl-Test-LWP-UserAgent'...
$ git fetch origin e2b69ced152c889a68ed35e0e4c3e517e64130a4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-LWP-UserAgent
 * [new ref]         e2b69ced152c889a68ed35e0e4c3e517e64130a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2b69ce Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild