Packages
phoenix
1.5.13
1.8.9
1.8.8
1.8.7
1.8.6
1.8.5
1.8.4
1.8.3
1.8.2
1.8.1
1.8.0
1.8.0-rc.4
1.8.0-rc.3
1.8.0-rc.2
1.8.0-rc.1
1.8.0-rc.0
1.7.24
1.7.23
1.7.22
1.7.21
1.7.20
1.7.19
1.7.18
1.7.17
1.7.16
1.7.15
1.7.14
1.7.13
1.7.12
1.7.11
1.7.10
1.7.9
1.7.8
1.7.7
1.7.6
1.7.5
1.7.4
1.7.3
1.7.2
1.7.1
1.7.0
1.7.0-rc.3
1.7.0-rc.2
1.7.0-rc.1
1.7.0-rc.0
1.6.17
1.6.16
1.6.15
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1.6.13
1.6.12
1.6.11
1.6.10
1.6.9
1.6.8
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1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.6.0-rc.1
1.6.0-rc.0
1.5.15
1.5.14
1.5.13
1.5.12
1.5.11
1.5.10
1.5.9
1.5.8
1.5.7
1.5.6
1.5.5
1.5.4
1.5.3
1.5.2
1.5.1
1.5.0
1.5.0-rc.0
1.4.18
1.4.17
1.4.16
1.4.15
1.4.14
1.4.13
1.4.12
1.4.11
1.4.10
1.4.9
1.4.8
1.4.7
1.4.6
1.4.5
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.4.0-rc.3
1.4.0-rc.2
1.4.0-rc.1
1.4.0-rc.0
1.3.5
1.3.4
1.3.3
1.3.2
1.3.1
1.3.0
1.3.0-rc.3
1.3.0-rc.2
1.3.0-rc.1
1.3.0-rc.0
1.2.5
1.2.4
1.2.3
1.2.2
1.2.1
1.2.0
1.2.0-rc.1
1.2.0-rc.0
1.1.9
1.1.8
1.1.7
1.1.6
1.1.5
1.1.4
1.1.3
1.1.2
1.1.1
1.1.0
1.0.6
1.0.5
1.0.4
1.0.3
1.0.2
1.0.1
1.0.0
0.17.1
0.17.0
0.16.1
0.16.0
0.15.0
0.14.0
0.13.1
0.13.0
0.12.0
0.11.0
0.10.0
0.9.0
0.8.0
0.7.2
0.7.1
0.7.0
0.6.2
0.6.1
0.6.0
0.5.0
0.4.1
0.4.0
0.3.1
0.3.0
0.2.11
0.2.10
0.2.9
0.2.8
0.2.7
0.2.6
0.2.5
0.2.4
0.2.3
0.2.2
0.2.1
0.2.0
0.1.0
Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.
Security advisory:
This version has known vulnerabilities.
View advisories
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Files
lib/phoenix/endpoint/watcher.ex
defmodule Phoenix.Endpoint.Watcher do
@moduledoc false
require Logger
def child_spec(args) do
%{
id: make_ref(),
start: {__MODULE__, :start_link, [args]},
restart: :transient
}
end
def start_link({cmd, args}) do
Task.start_link(__MODULE__, :watch, [to_string(cmd), args])
end
def watch(_cmd, {mod, fun, args}) do
try do
apply(mod, fun, args)
catch
kind, reason ->
# The function returned a non-zero exit code.
# Sleep for a couple seconds before exiting to
# ensure this doesn't hit the supervisor's
# max_restarts/max_seconds limit.
Process.sleep(2000)
:erlang.raise(kind, reason, __STACKTRACE__)
end
end
def watch(cmd, args) when is_list(args) do
{args, opts} = Enum.split_while(args, &is_binary(&1))
opts = Keyword.merge([into: IO.stream(:stdio, :line), stderr_to_stdout: true], opts)
:ok = validate(cmd, args, opts)
try do
System.cmd(cmd, args, opts)
catch
:error, :enoent ->
relative = Path.relative_to_cwd(cmd)
Logger.error(
"Could not start watcher #{inspect(relative)} from #{inspect(cd(opts))}, executable does not exist"
)
exit(:shutdown)
else
{_, 0} ->
:ok
{_, _} ->
# System.cmd returned a non-zero exit code
# sleep for a couple seconds before exiting to ensure this doesn't
# hit the supervisor's max_restarts / max_seconds limit
Process.sleep(2000)
exit(:watcher_command_error)
end
end
# We specially handle Node.js to make sure we
# provide a good getting started experience.
defp validate("node", [script | _], merged_opts) do
script_path = Path.expand(script, cd(merged_opts))
cond do
!System.find_executable("node") ->
Logger.error(
"Could not start watcher because \"node\" is not available. Your Phoenix " <>
"application is still running, however assets won't be compiled. " <>
"You may fix this by installing \"node\" and then running \"npm install\" inside the \"assets\" directory."
)
exit(:shutdown)
not File.exists?(script_path) ->
Logger.error(
"Could not start Node.js watcher because script #{inspect(script_path)} does not " <>
"exist. Your Phoenix application is still running, however assets " <>
"won't be compiled. You may fix this by running \"npm install\" inside the \"assets\" directory."
)
exit(:shutdown)
true ->
:ok
end
end
defp validate(_cmd, _args, _opts) do
:ok
end
defp cd(opts), do: opts[:cd] || File.cwd!()
end