$ git clone -n https://src.fedoraproject.org/rpms/rust-uguid.git /var/lib/mock/f45-build-45828-828/root/chroot_tmpdir/scmroot/rust-uguid
Cloning into '/var/lib/mock/f45-build-45828-828/root/chroot_tmpdir/scmroot/rust-uguid'...
$ git fetch origin 02187fea881c01f326f4b8d652ca2cdf7e27726c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uguid
 * [new ref]         02187fea881c01f326f4b8d652ca2cdf7e27726c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02187fe Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild