$ git clone -n https://src.fedoraproject.org/rpms/libguestfs.git /var/lib/mock/f40-build-750360-115010/root/chroot_tmpdir/scmroot/libguestfs
Cloning into '/var/lib/mock/f40-build-750360-115010/root/chroot_tmpdir/scmroot/libguestfs'...
$ git reset --hard ab2d1d568e890bdc44a19e2b1fee20eefde20da1
HEAD is now at ab2d1d5 Fix build for libxml2 2.12.1