$ git clone -n https://src.fedoraproject.org/rpms/rust-glib-macros0.20.git /var/lib/mock/f45-build-42022-788/root/chroot_tmpdir/scmroot/rust-glib-macros0.20
Cloning into '/var/lib/mock/f45-build-42022-788/root/chroot_tmpdir/scmroot/rust-glib-macros0.20'...
$ git fetch origin e74eddbbdda133461fce7146325bfd831429eafa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-glib-macros0.20
 * [new ref]         e74eddbbdda133461fce7146325bfd831429eafa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e74eddb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild