$ git clone -n https://src.fedoraproject.org/rpms/rust-pathdiff.git /var/lib/mock/f45-build-43715-805/root/chroot_tmpdir/scmroot/rust-pathdiff
Cloning into '/var/lib/mock/f45-build-43715-805/root/chroot_tmpdir/scmroot/rust-pathdiff'...
$ git fetch origin d571a5f5ec9879792645a418308999b5066f06de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pathdiff
 * [new ref]         d571a5f5ec9879792645a418308999b5066f06de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d571a5f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild