$ git clone -n https://src.fedoraproject.org/rpms/ghc-libxml-sax.git /var/lib/mock/f40-build-2344612-59919/root/chroot_tmpdir/scmroot/ghc-libxml-sax
Cloning into '/var/lib/mock/f40-build-2344612-59919/root/chroot_tmpdir/scmroot/ghc-libxml-sax'...
$ git fetch origin a51256f2472a12b6da45fa4743e282648477b6ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-libxml-sax
 * [new ref]         a51256f2472a12b6da45fa4743e282648477b6ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a51256f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild