Implement vifm session strategy

strategies/vifm_session.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+
+# "vifm session strategy"
+#
+# Restores a vifm session from the command line arguments.
+# vifm can be run from command line in particular session,
+# e.g. `vifm -c "session foo"`.
+# NOTE: the strategy doesn't work if a session is created/changed
+#       in vifm, e.g. `:session bar` vifm command
+
+ORIGINAL_COMMAND="$1"
+DIRECTORY="$2"
+
+main() {
+   local in_arg=0
+   local in_quote=0
+   local cmd=""
+   for word in $ORIGINAL_COMMAND; do
+      if [[ $word == -* ]]; then
+         if [[ $in_quote -eq 1 ]]; then
+            cmd+="\""
+            in_quote=0
+         fi
+         in_arg=1
+         cmd+=" $word"
+         continue;
+      fi
+
+      if [[ $in_arg -eq 0 ]]; then
+         cmd+=" $word"
+         continue
+      fi
+
+      if [[ $in_quote -eq 0 ]]; then
+         cmd+=" \"$word"
+         in_quote=1
+      else
+         cmd+=" $word"
+      fi
+
+   done
+
+   if [[ $in_quote -eq 1 ]]; then
+      cmd+="\""
+   fi
+
+   echo $cmd
+}
+main
+