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main: Make "ostree show" actually useful for files 

We already have "ostree cat" for files, here we want to see a dump of
the metadata.
This commit is contained in:
Colin Walters 2013-07-17 21:10:04 -04:00
parent 2bdbffc424
commit 41cb37a858
1 changed files with 41 additions and 12 deletions
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53
src/ostree/ot-builtin-show.c
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@ -79,11 +79,10 @@ static gboolean
show_repo_meta (OstreeRepo *repo,
const char *rev,
const char *resolved_rev,
GCancellable *cancellable,
GError **error)
{
gboolean ret = FALSE;
char buf[8192];
gsize bytes_read;
OstreeObjectType objtype;
gs_unref_variant GVariant *variant = NULL;
gs_unref_object GFile *object_path = NULL;
@ -98,26 +97,56 @@ show_repo_meta (OstreeRepo *repo,
if (!g_file_query_exists (object_path, NULL))
continue;
g_print ("Object: %s\nType: %s\n", resolved_rev, ostree_object_type_to_string (objtype));
if (OSTREE_OBJECT_TYPE_IS_META (objtype))
{
if (!ostree_repo_load_variant (repo, objtype, resolved_rev, &variant, error))
continue;
g_print ("Object: %s\nType: %d\n", resolved_rev, objtype);
print_variant (variant);
break;
}
else if (objtype == OSTREE_OBJECT_TYPE_FILE)
{
in = (GInputStream*)g_file_read (object_path, NULL, error);
if (!in)
continue;
gs_unref_object GFileInfo *finfo = NULL;
gs_unref_variant GVariant *xattrs = NULL;
GFileType filetype;
do {
if (!g_input_stream_read_all (in, buf, sizeof (buf), &bytes_read, NULL, error))
goto out;
g_print ("%s", buf);
} while (bytes_read > 0);
if (!ostree_repo_load_file (repo, resolved_rev, NULL, &finfo, &xattrs,
cancellable, error))
goto out;
filetype = g_file_info_get_file_type (finfo);
g_print ("File Type: ");
switch (filetype)
{
case G_FILE_TYPE_REGULAR:
g_print ("regular\n");
g_print ("Size: %" G_GUINT64_FORMAT "\n", g_file_info_get_size (finfo));
break;
case G_FILE_TYPE_SYMBOLIC_LINK:
g_print ("symlink\n");
g_print ("Target: %s\n", g_file_info_get_symlink_target (finfo));
break;
default:
g_printerr ("(unknown type %u)\n", (guint)filetype);
}
g_print ("Mode: 0%04o\n", g_file_info_get_attribute_uint32 (finfo, "unix::mode") & ~S_IFMT);
g_print ("Uid: %u\n", g_file_info_get_attribute_uint32 (finfo, "unix::uid"));
g_print ("Gid: %u\n", g_file_info_get_attribute_uint32 (finfo, "unix::gid"));
g_print ("Extended Attributes: ");
if (xattrs)
{
gs_free char *xattr_string = g_variant_print (xattrs, TRUE);
g_print ("{ %s }\n", xattr_string);
}
else
{
g_print ("(none)\n");
}
}
else
g_assert_not_reached ();
@ -245,7 +274,7 @@ ostree_builtin_show (int argc, char **argv, GFile *repo_path, GCancellable *canc
if (!ostree_repo_resolve_rev (repo, rev, FALSE, &resolved_rev, error))
goto out;
if (!show_repo_meta (repo, rev, resolved_rev, error))
if (!show_repo_meta (repo, rev, resolved_rev, cancellable, error))
goto out;
}