$ git clone -n https://src.fedoraproject.org/rpms/rust-target-triple.git /var/lib/mock/f45-build-45349-822/root/chroot_tmpdir/scmroot/rust-target-triple
Cloning into '/var/lib/mock/f45-build-45349-822/root/chroot_tmpdir/scmroot/rust-target-triple'...
$ git fetch origin daaf2c274d09ae137ba6235445514a49c872179d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-target-triple
 * [new ref]         daaf2c274d09ae137ba6235445514a49c872179d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at daaf2c2 Update to version 1.0.1; Fixes RHBZ#2502077