$ git clone -n https://src.fedoraproject.org/rpms/crash-trace-command.git /var/lib/mock/f39-build-2468778-61444/root/chroot_tmpdir/scmroot/crash-trace-command
Cloning into '/var/lib/mock/f39-build-2468778-61444/root/chroot_tmpdir/scmroot/crash-trace-command'...
$ git fetch origin 27d55897bd8ab892ee0c3d8c184506957525db11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crash-trace-command
 * [new ref]         27d55897bd8ab892ee0c3d8c184506957525db11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27d5589 Release 3.0-9