[PATCH 5/8] hush source: expand $PATH

[Sascha Hauer <s.hauer@pengutronix.de>]

The behaviour of other shells suggest that with source or '.'
the path should be resolved using the PATH environment variable. Do
the same in barebox.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 common/hush.c |   17 ++++++++++++++++-
 1 files changed, 16 insertions(+), 1 deletions(-)

diff --git a/common/hush.c b/common/hush.c
index 1dae0e8..053d9a5 100644
--- a/common/hush.c
+++ b/common/hush.c
@@ -1678,10 +1678,25 @@ BAREBOX_CMD_END
 
 static int do_source(int argc, char *argv[])
 {
+	char *path;
+	int ret;
+
 	if (argc < 2)
 		return COMMAND_ERROR_USAGE;
 
-	return source_script(argv[1], argc - 1, argv + 1);
+	if (strchr(argv[1], '/')) {
+		path = xstrdup(argv[1]);
+	} else {
+		path = find_execable(argv[1]);
+		if (!path)
+			return 1;
+	}
+
+	ret = source_script(path, argc - 1, argv + 1);
+
+	free(path);
+
+	return ret;
 }
 
 static const char *source_aliases[] = { ".", NULL};
-- 
1.7.9.1


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