[totem-pl-parser/wip/hadess/script-dir] videosite: Use envvar to change the videoscript dir

[Bastien Nocera <hadess src gnome org>]

commit fda52e8ed09f8f7df2247ae5f7a8409dba1b38df
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Aug 20 17:00:05 2020 +0200

    videosite: Use envvar to change the videoscript dir
    
    Use TOTEM_PL_PARSER_VIDEOSITE_SCRIPT_DIR to override the default
    directory to find videosite scripts in.

 plparse/totem-pl-parser-videosite.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/plparse/totem-pl-parser-videosite.c b/plparse/totem-pl-parser-videosite.c
index 456789e..13ffe17 100644
--- a/plparse/totem-pl-parser-videosite.c
+++ b/plparse/totem-pl-parser-videosite.c
@@ -69,13 +69,17 @@ static char *
 find_helper_script (void)
 {
        GDir *dir;
-       const char *name;
+       const char *name, *script_dir;
        char *script_name = NULL;
 
        if (g_getenv (SCRIPT_ENVVAR) != NULL)
                return g_strdup (g_getenv (SCRIPT_ENVVAR));
 
-       dir = g_dir_open (LIBEXECDIR "/totem-pl-parser", 0, NULL);
+       script_dir = g_getenv ("TOTEM_PL_PARSER_VIDEOSITE_SCRIPT_DIR");
+       if (!script_dir)
+               script_dir = LIBEXECDIR "/totem-pl-parser";
+
+       dir = g_dir_open (script_dir, 0, NULL);
        if (!dir)
                goto bail;
 
@@ -92,7 +96,7 @@ find_helper_script (void)
 
        if (script_name != NULL) {
                char *ret;
-               ret = g_build_filename (LIBEXECDIR "/totem-pl-parser", script_name, NULL);
+               ret = g_build_filename (script_dir, script_name, NULL);
                g_free (script_name);
                return ret;
        }