$ git clone -n https://src.fedoraproject.org/rpms/crash-trace-command.git /var/lib/mock/f45-build-7019-355/root/chroot_tmpdir/scmroot/crash-trace-command
Cloning into '/var/lib/mock/f45-build-7019-355/root/chroot_tmpdir/scmroot/crash-trace-command'...
$ git fetch origin 8b985454f26575960098b7acd5e5ac4b6b8d0cf6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crash-trace-command
 * [new ref]         8b985454f26575960098b7acd5e5ac4b6b8d0cf6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b98545 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild