$ git clone -n https://src.fedoraproject.org/rpms/libkomparediff2.git /var/lib/mock/f40-build-2219804-52642/root/chroot_tmpdir/scmroot/libkomparediff2
Cloning into '/var/lib/mock/f40-build-2219804-52642/root/chroot_tmpdir/scmroot/libkomparediff2'...
$ git fetch origin ff0554cf28a201af71b627e9785eb5996fc7a2c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkomparediff2
 * [new ref]         ff0554cf28a201af71b627e9785eb5996fc7a2c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff0554c 23.08.2