$ git clone -n https://src.fedoraproject.org/rpms/rust-aho-corasick.git /var/lib/mock/f40-build-2060988-49167/root/chroot_tmpdir/scmroot/rust-aho-corasick
Cloning into '/var/lib/mock/f40-build-2060988-49167/root/chroot_tmpdir/scmroot/rust-aho-corasick'...
$ git fetch origin b822d057e10eab24da1ba6be2739902b6c0691de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-aho-corasick
 * [new ref]         b822d057e10eab24da1ba6be2739902b6c0691de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b822d05 Update to version 1.1.2; Fixes RHBZ#2242886