$ git clone -n https://src.fedoraproject.org/rpms/ghc-x509-validation.git /var/lib/mock/f38-build-side-42-init-devel-943725-28778/root/chroot_tmpdir/scmroot/ghc-x509-validation
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-943725-28778/root/chroot_tmpdir/scmroot/ghc-x509-validation'...
$ git fetch origin be151149055ccead021c567629ac1de41ac4ca9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-x509-validation
 * [new ref]         be151149055ccead021c567629ac1de41ac4ca9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be15114 Convert to %autorelease and %autochangelog