$ git clone -n https://src.fedoraproject.org/rpms/libahp-xc.git /var/lib/mock/f40-build-2602624-63267/root/chroot_tmpdir/scmroot/libahp-xc
Cloning into '/var/lib/mock/f40-build-2602624-63267/root/chroot_tmpdir/scmroot/libahp-xc'...
$ git fetch origin e0f3ef7089494e40498b92c122dc8b1123b2bdf9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libahp-xc
 * [new ref]         e0f3ef7089494e40498b92c122dc8b1123b2bdf9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e0f3ef7 Update to 1.4.1 (fedora#2264239)