$ git clone -n https://src.fedoraproject.org/rpms/rust-python-pkginfo.git /var/lib/mock/f38-build-side-42-init-devel-1151599-30492/root/chroot_tmpdir/scmroot/rust-python-pkginfo
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1151599-30492/root/chroot_tmpdir/scmroot/rust-python-pkginfo'...
$ git fetch origin 230e07949867ec888a7adb8305c2b04165384e26:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-python-pkginfo
 * [new ref]         230e07949867ec888a7adb8305c2b04165384e26 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 230e079 Update to version 0.5.6; Fixes RHBZ#2219157