$ git clone -n https://src.fedoraproject.org/rpms/gsettings-desktop-schemas.git /var/lib/mock/f40-build-790586-136612/root/chroot_tmpdir/scmroot/gsettings-desktop-schemas
Cloning into '/var/lib/mock/f40-build-790586-136612/root/chroot_tmpdir/scmroot/gsettings-desktop-schemas'...
$ git fetch origin 38c730d1c01ce36b23f9525bcae9a4d327a0e502:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gsettings-desktop-schemas
 * [new ref]         38c730d1c01ce36b23f9525bcae9a4d327a0e502 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38c730d Backport MR #75 to fix default clock display format again