[PATCH v3 6/6] commands/ls: Add directory header for dir args

[Glenn Washburn]

Like the GNU ls, first print a line with the directory path before printing
files in the directory, which will not have a directory component, but only
if there is more than one argument.

Signed-off-by: Glenn Washburn <developm...@efficientek.com>
---
 grub-core/commands/ls.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/grub-core/commands/ls.c b/grub-core/commands/ls.c
index a419174a81a5..030bb43c44af 100644
--- a/grub-core/commands/ls.c
+++ b/grub-core/commands/ls.c
@@ -91,6 +91,7 @@ struct grub_ls_list_files_ctx
   int all;
   int human;
   int longlist;
+  int print_dirhdr;
 };
 
 /* Helper for grub_ls_list_files.  */
@@ -107,6 +108,12 @@ print_file (const char *filename, const struct 
grub_dirhook_info *info,
   if (ctx->filename != NULL) && (grub_strcmp (filename, ctx->filename) != 0)
     return 0;
 
+  if (ctx->print_dirhdr)
+    {
+      grub_printf ("%s:\n", ctx->dirname);
+      ctx->print_dirhdr = 0;
+    }
+
   if (! ctx->longlist)
     {
       if (ctx->filename != NULL)
@@ -173,7 +180,7 @@ print_file (const char *filename, const struct 
grub_dirhook_info *info,
 }
 
 static grub_err_t
-grub_ls_list_files (char *dirname, int longlist, int all, int human)
+grub_ls_list_files (char *dirname, int longlist, int all, int human, int 
dirhdr)
 {
   char *device_name;
   grub_fs_t fs;
@@ -221,7 +228,8 @@ grub_ls_list_files (char *dirname, int longlist, int all, 
int human)
        .filename = NULL,
        .all = all,
        .human = human,
-       .longlist = longlist
+       .longlist = longlist,
+       .print_dirhdr = dirhdr
       };
 
       (fs->fs_dir) (dev, path, print_file, &ctx);
@@ -236,6 +244,7 @@ grub_ls_list_files (char *dirname, int longlist, int all, 
int human)
          grub_errno = GRUB_ERR_NONE;
 
          /* PATH might be a regular file.  */
+         ctx.print_dirhdr = 0;
          ctx.filename = grub_strrchr (dirname, '/') + 1;
          ctx.dirname = grub_strndup (dirname, ctx.filename - dirname);
          if (ctx.dirname == NULL)
@@ -271,8 +280,8 @@ grub_cmd_ls (grub_extcmd_context_t ctxt, int argc, char 
**args)
     grub_ls_list_devices (state[0].set);
   else
     for (i = 0; i < argc; i++)
-      grub_ls_list_files (args[i], state[0].set, state[2].set,
-                         state[1].set);
+      grub_ls_list_files (args[i], state[0].set, state[2].set, state[1].set,
+                         argc > 1);
 
   return GRUB_ERR_NONE;
 }
-- 
2.34.1


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