$ git clone -n https://src.fedoraproject.org/rpms/rust-tracing-test.git /var/lib/mock/f45-build-45612-824/root/chroot_tmpdir/scmroot/rust-tracing-test
Cloning into '/var/lib/mock/f45-build-45612-824/root/chroot_tmpdir/scmroot/rust-tracing-test'...
$ git fetch origin 651c6be09728b172b4c781fcb3f85ed7df401e21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tracing-test
 * [new ref]         651c6be09728b172b4c781fcb3f85ed7df401e21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 651c6be Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild