$ git clone -n https://src.fedoraproject.org/rpms/rust-winnow.git /var/lib/mock/f39-build-1506945-35217/root/chroot_tmpdir/scmroot/rust-winnow
Cloning into '/var/lib/mock/f39-build-1506945-35217/root/chroot_tmpdir/scmroot/rust-winnow'...
$ git fetch origin c3afe61f2792519644eaeaec00396dc9e8ac12fd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-winnow
 * [new ref]         c3afe61f2792519644eaeaec00396dc9e8ac12fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3afe61 Update to version 0.5.16; Fixes RHBZ#2242413