+minimal __cdist_echo

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>

core/__cdist_explorer_run

@@ -0,0 +1,79 @@
+#!/bin/sh
+#
+# 2011 Nico Schottelius (nico-cdist at schottelius.org)
+#
+# This file is part of cdist.
+#
+# cdist is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# cdist is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with cdist. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+# Run explorers - FIXME: this function is ugly
+#
+
+__cdist_explorer_run()
+{
+   [ $# -eq 5 ] || __cdist_usage "<global|type> <local explorer dir> <remote explorer dir> <remote out dir> <local out dir>"
+
+   # Ensure there is at least one explorer
+   num="$(ls -1 "$__cdist_explorer_dir" | wc -l)"
+   if [ "$num" -lt 1 ]; then
+      __cdist_exit_err "${__cdist_explorer_dir}: Contains no explorers"
+   fi
+
+   # Check whether to setup variable for type explorer
+   case "$1" in
+      global)
+      ;;
+      type)
+         # FIXME: think about how and where this gets setup!
+         "$__cdist_name_var_object=\"$(__cdist_remote_object_dir "$__cdist_object_self")\""
+      ;;
+   esac
+
+   # Transfer explorers
+   __cdist_dir push "$2" "$3"
+
+   # Create output directory
+   __cdist_run_remote mkdir -p "$4"
+
+   # Execute all explorers - FIXME: isolate cd call?
+   cd "$2";
+   # FIXME: cleanup double variable, no need when in directory
+   for __cdist_explorer_run_explorer in *; do
+      __cdist_explorer_explorer_name="${__cdist_explorer_run_explorer##*/}"
+
+      if [ -f "$__cdist_explorer_run_explorer" ]; then
+         if [ ! -x "$__cdist_explorer_run_explorer" ]; then
+            __cdist_exit_err "Explorer \"$__cdist_explorer_run_explorer\" exists, but is not executable."
+         fi
+
+      else
+         if [ -e "$__cdist_explorer_run_explorer" ]; then
+            __cdist_exit_err "Explorer \"$__cdist_explorer_run_explorer\" exists, but is not a file."
+         fi
+      fi
+
+      # FIXME: no need for remote out dir probably?
+      # or should we leave it and continue using __cdist_dir pull?
+      __cdist_run_remote \
+         "export $__cdist_name_var_explorer=\"$__cdist_remote_explorer_dir\";" \
+         "export $__cdist_name_var_global=\"$__cdist_remote_out_dir\";" \
+         "$3/$__cdist_explorer_run_explorer" ">" \
+            "$4/$__cdist_explorer_run_explorer" || \
+               __cdist_exit_err "Explorer $__cdist_explorer_run_explorer failed."
+   done
+
+   # Transfer results back
+   __cdist_dir pull "$4" "$5"
+}