$ git clone -n https://src.fedoraproject.org/rpms/libtracecmd.git /var/lib/mock/f45-build-17161-496/root/chroot_tmpdir/scmroot/libtracecmd
Cloning into '/var/lib/mock/f45-build-17161-496/root/chroot_tmpdir/scmroot/libtracecmd'...
$ git fetch origin dbd72c99268881a124e931933146c7ff08a5410d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtracecmd
 * [new ref]         dbd72c99268881a124e931933146c7ff08a5410d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbd72c9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild