fix(ssh): garbled output when directory has broken symlinks

The stderr was interleaving with the stdout when performing one of the
ls operations. This was causing the parsing to sometimes fail and crash.
This commit is contained in:
Steven Arcangeli 2024-05-01 16:10:10 -07:00
parent f3a31eba24
commit bcfc0a2e01

View file

@ -175,28 +175,31 @@ function SSHFS:list_dir(url, path, callback)
if any_links then
-- If there were any soft links, then we need to run another ls command with -L so that we can
-- resolve the type of the link target
self.conn:run("ls -aLl --color=never" .. path_postfix, function(link_err, link_lines)
-- Ignore exit code 1. That just means one of the links could not be resolved.
if link_err and not link_err:match("^1:") then
return callback(link_err)
end
assert(link_lines)
for _, line in ipairs(link_lines) do
if line ~= "" and not line:match("^total") then
local ok, name, type, meta = pcall(parse_ls_line, line)
if ok and name ~= "." and name ~= ".." then
local cache_entry = entries[name]
if cache_entry[FIELD_TYPE] == "link" then
cache_entry[FIELD_META].link_stat = {
type = type,
size = meta.size,
}
self.conn:run(
"ls -aLl --color=never" .. path_postfix .. " 2> /dev/null",
function(link_err, link_lines)
-- Ignore exit code 1. That just means one of the links could not be resolved.
if link_err and not link_err:match("^1:") then
return callback(link_err)
end
assert(link_lines)
for _, line in ipairs(link_lines) do
if line ~= "" and not line:match("^total") then
local ok, name, type, meta = pcall(parse_ls_line, line)
if ok and name ~= "." and name ~= ".." then
local cache_entry = entries[name]
if cache_entry[FIELD_TYPE] == "link" then
cache_entry[FIELD_META].link_stat = {
type = type,
size = meta.size,
}
end
end
end
end
callback(nil, cache_entries)
end
callback(nil, cache_entries)
end)
)
else
callback(nil, cache_entries)
end