ash: add comment about failures in source builtin. No code changes.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index fbbdb06b0..edcb7c028 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -12258,6 +12258,9 @@ dotcmd(int argc, char **argv)
         /* "false; . empty_file; echo $?" should print 0, not 1: */
         exitstatus = 0;
 
+        /* This aborts if file isn't found, which is POSIXly correct.
+         * bash returns exitcode 1 instead.
+         */
         fullname = find_dot_file(argv[1]);
 
         argv += 2;
@@ -12269,6 +12272,9 @@ dotcmd(int argc, char **argv)
                 shellparam.p = argv;
         };
 
+        /* This aborts if file can't be opened, which is POSIXly correct.
+         * bash returns exitcode 1 instead.
+         */
         setinputfile(fullname, INPUT_PUSH_FILE);
         commandname = fullname;
         cmdloop(0);