$ git clone -n https://src.fedoraproject.org/rpms/rust-termcolor.git /var/lib/mock/f45-build-45356-822/root/chroot_tmpdir/scmroot/rust-termcolor
Cloning into '/var/lib/mock/f45-build-45356-822/root/chroot_tmpdir/scmroot/rust-termcolor'...
$ git fetch origin bf8f645f962709685cf1d4cf7213c4976c811d00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-termcolor
 * [new ref]         bf8f645f962709685cf1d4cf7213c4976c811d00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf8f645 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild