$ git clone -n https://src.fedoraproject.org/rpms/rust-gio-unix-sys.git /var/lib/mock/f45-build-41839-786/root/chroot_tmpdir/scmroot/rust-gio-unix-sys
Cloning into '/var/lib/mock/f45-build-41839-786/root/chroot_tmpdir/scmroot/rust-gio-unix-sys'...
$ git fetch origin 8e1684099dec78e4754bcc6642438fe6082e7598:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gio-unix-sys
 * [new ref]         8e1684099dec78e4754bcc6642438fe6082e7598 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e16840 Update to version 0.22.9; Fixes RHBZ#2526045