Add support for env wrapper in shebang detection (inspired by a patch from Yura Siamashka).

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@2013 ea778897-0a13-0410-b9d1-a72fbfd435f5

ChangeLog

@@ -5,6 +5,8 @@
    contains double quotes.
    Fix error in Build command when the executable file name contains
    spaces(Linux and Windows).
+ * src/filetypes.c: Add support for env wrapper in shebang detection
+                    (inspired by a patch from Yura Siamashka).
 
 
 2007-11-02  Nick Treleaven  <nick(dot)treleaven(at)btinternet(dot)com>

src/filetypes.c

@@ -576,8 +576,13 @@ static filetype *find_shebang(gint idx)
 
 	if (strlen(line) > 2 && line[0] == '#' && line[1] == '!')
 	{
-		/// TODO does g_path_get_basename() also work under Win32 for Unix filenames?
-		gchar *basename_interpreter = g_path_get_basename(line + 2);
+		gchar *tmp = g_path_get_basename(line + 2);
+		gchar *basename_interpreter = tmp;
+
+		if (strncmp(tmp, "env ", 4) == 0 && strlen(tmp) > 4)
+		{	// skip "env" and read the following interpreter
+			basename_interpreter +=4;
+		}
 
 		if (strncmp(basename_interpreter, "sh", 2) == 0)
 			ft = filetypes[GEANY_FILETYPES_SH];
@@ -605,9 +610,8 @@ static filetype *find_shebang(gint idx)
 			ft = filetypes[GEANY_FILETYPES_D];
 		else if (strncmp(basename_interpreter, "wish", 4) == 0)
 			ft = filetypes[GEANY_FILETYPES_TCL];
-		// what else to add?
 
-		g_free(basename_interpreter);
+		g_free(tmp);
 	}
 	// detect XML files
 	if (strncmp(line, "<?xml", 5) == 0)