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From be89b820d5eecce26fbb5a779ce743cedef5c1c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Pinson?= <raphael.pinson@camptocamp.com>
Date: Mon, 13 Jul 2015 10:03:21 +0200
Subject: [PATCH 01/19] Shellvars: accept [] and [[]] builtins

Fix GH #188
---
 lenses/shellvars.aug            | 9 +++++++++
 lenses/tests/test_shellvars.aug | 5 +++++
 2 files changed, 14 insertions(+)

diff --git a/lenses/shellvars.aug b/lenses/shellvars.aug
index 25bb82b..b988972 100644
--- a/lenses/shellvars.aug
+++ b/lenses/shellvars.aug
@@ -105,6 +105,13 @@ module Shellvars =
     . Util.del_str "return"
     . ( Util.del_ws_spc . store Rx.integer )?
 
+  let condition =
+       let sto_cond = store /[^[#; \t\n][^#;\n]+[^]#; \t\n]|[^[]#; \t\n]+/
+    in let cond (start:string) (end:string) = [ label "type" . store start ]
+                                            . Util.del_ws_spc . sto_cond
+                                            . Util.del_ws_spc . Util.del_str end
+    in Util.indent . label "@condition" . (cond "[" "]" | cond "[[" "]]")
+
 
 (************************************************************************
  * Group:                 CONDITIONALS AND LOOPS
@@ -169,6 +176,7 @@ module Shellvars =
         | entry_eol_item bare_export
         | entry_eol_item builtin
         | entry_eol_item return
+        | entry_eol_item condition
 
   let entry_noeol =
     let entry_item (item:lens) = [ item ] in
@@ -178,6 +186,7 @@ module Shellvars =
         | entry_item bare_export
         | entry_item builtin
         | entry_item return
+        | entry_item condition
 
   let rec rec_entry =
     let entry = comment | entry_eol | rec_entry in
diff --git a/lenses/tests/test_shellvars.aug b/lenses/tests/test_shellvars.aug
index 7a89f11..778a8d2 100644
--- a/lenses/tests/test_shellvars.aug
+++ b/lenses/tests/test_shellvars.aug
@@ -536,6 +536,11 @@ fi\n" =
   test lns get "var[alpha_beta,gamma]=something\n" =
     { "var[alpha_beta,gamma]" = "something" }
 
+  (* GH #188: support more conditions *)
+  test Shellvars.lns get "[ -f $FILENAME ]\n" =
+    { "@condition" = "-f $FILENAME"
+      { "type" = "[" } }
+
 (* Local Variables: *)
 (* mode: caml       *)
 (* End:             *)
-- 
2.5.0