$ git clone -n https://src.fedoraproject.org/rpms/rust-python-pkginfo.git /var/lib/mock/f40-build-2101472-50504/root/chroot_tmpdir/scmroot/rust-python-pkginfo
Cloning into '/var/lib/mock/f40-build-2101472-50504/root/chroot_tmpdir/scmroot/rust-python-pkginfo'...
$ git fetch origin fe847bc966b6e71818fe9057646e3c66e9099c42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-python-pkginfo
 * [new ref]         fe847bc966b6e71818fe9057646e3c66e9099c42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe847bc Update to version 0.6.0; Fixes RHBZ#2231685