$ git clone -n https://src.fedoraproject.org/rpms/rust-aho-corasick.git /var/lib/mock/f45-build-40029-767/root/chroot_tmpdir/scmroot/rust-aho-corasick
Cloning into '/var/lib/mock/f45-build-40029-767/root/chroot_tmpdir/scmroot/rust-aho-corasick'...
$ git fetch origin fbf7b0d94f1b3ba1247a410c7d0759e4ab13318e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-aho-corasick
 * [new ref]         fbf7b0d94f1b3ba1247a410c7d0759e4ab13318e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbf7b0d Update to version 1.1.5; Fixes RHBZ#2510626