It looks like it may not do anything because it doesn’t know about these deps yet?
warning: the dependency spark is not present in the build directory
zachdaniel
Creator of Ash
shahryarjb
I have a question, why you do not compile the dependencies in another folder and move all ebin file to your project?
for example using: Code.prepend_path()
def prepend_compiled_apps(files_list) do
files_list
|> Enum.map(
&{String.to_atom(&1),
Path.join(get_build_path() <> "/" <> &1, "ebin") |> Code.prepend_path()}
)
|> Enum.filter(fn {_app, status} -> status == {:error, :bad_directory} end)
|> case do
[] -> {:ok, :prepend_compiled_apps}
list -> {:error, :prepend_compiled_apps, :bad_directory, list}
end
end
defp application_ensure({:ok, :prepend_compiled_apps}, app, :add) do
with {:load, :ok} <- {:load, Application.load(app)},
{:sure_all_started, {:ok, _apps}} <-
{:sure_all_started, Application.ensure_all_started(app)} do
{:ok, :application_ensure}
else
{:load, {:error, term}} ->
{:error, :application_ensure, :load, term}
{:sure_all_started, {:error, {app, term}}} ->
{:error, :application_ensure, :sure_all_started, {app, term}}
end
end
for updating
defp application_ensure({:ok, :prepend_compiled_apps}, app, :force_update) do
Application.stop(app)
with {:unload, :ok} <- {:unload, Application.unload(app)},
{:load, :ok} <- {:load, Application.load(app)},
{:sure_all_started, {:ok, _apps}} <-
{:sure_all_started, Application.ensure_all_started(app)} do
{:ok, :application_ensure}
else
{:unload, {:error, term}} ->
{:error, :application_ensure, :unload, term}
{:load, {:error, term}} ->
{:error, :application_ensure, :load, term}
{:sure_all_started, {:error, {app, term}}} ->
{:error, :application_ensure, :sure_all_started, {app, term}}
end
end
for scanning project version
with {:ok, tokens, _} <- :erl_scan.string(String.to_charlist(bin)) do
:erl_parse.parse_term(tokens)
end
for phoenix in runtime
If you are using Phoenix as developer mode, please disable
live_reloadindev.exs. Please addreloadable_apps: [:mishka_installer]to your endpoint config inconfig.exsfile.
And with Port you can monitor the command line real time! I think it can fix your problem? Am I wrong?
Update
I just do not know, this commit effects on my way or not
https://github.com/elixir-lang/elixir/commit/7890e56c3ca006b4d96fb40f2a00d69c895f99ba
0
zachdaniel
Creator of Ash
Was just about to post back here with my current solution which is probably a very very ugly hack, but it does work:
case Mix.shell().cmd("mix deps.get") do
0 ->
Mix.Task.reenable("compile")
Mix.Task.run("compile")
Mix.Project.clear_deps_cache()
Mix.Project.pop()
"mix.exs"
|> File.read!()
|> Code.eval_string([], file: Path.expand("mix.exs"))
Mix.Task.run("deps.compile", Enum.map(install_list, &to_string/1))
Mix.Task.reenable("compile")
Mix.Task.run("compile")
exit_code ->
Mix.shell().info("""
mix deps.get returned exited with code: `#{exit_code}`
""")
end
1
shahryarjb
Thank you @zachdaniel, it is for runtime or need to reset the app? I think you totally change the mix and the phoenix returns alert and you need to do this.
I will try it. it is so much clear than my code it does for runtime
0
zachdaniel
Creator of Ash
Not sure I fully understand the question, sorry.
A brief explanation of what I need to do is: I add a dependency to the mix.exs file, and I need to fetch it and look for a mix task defined by it. So I need to add a dep, get it with mix deps.get and then compile it with mix deps.compile. My use case is quite limited, as I know that the app will shut down after running my mix task, so it’s not really a problem if it ends up in a weird state. But this is happening at runtime, not at compile time (since its in a mix task.
Does that answer your question?
1
shahryarjb
Thank you for your time and efforts.
My lib downloads hex tar file (and extract it) or get from GitHub and after that I run a Port.open function and run system command(mix deps.get and etc), after building I move all ebin file to my for example build/prod and do all the code I put above.
Another way my lib can, he/she changes the mix file and your code can re-compile in runtime without any downtime? yes?
Another way for my first option I can do your code in diffrent directory with diffrent project and build and move all the ebin to my current project again?
0
zachdaniel
Creator of Ash
I’m sorry, I’m having trouble understanding your question 
Another way my lib can, he/she changes the mix file and your code can re-compile in runtime without any downtime? yes?
I believe the answer to this question is yes. You can run this to install any deps added to the mix.exs file without downtime. But if the app is currently running I’m not sure if there will be weird behavior from the Mix.Project.pop/1 call. Hard to say.
1
shahryarjb
Thank you. Aha, this is the answer I need.
So I should re-check it. I do not care about state if lost! because hot coding is very hard for full project, hot coding just useful for one or 2 modules manually and it is very harder in release mode!
Thank you and sorry for my english I am not native, it wasted your time 
Anyway, Ash means bear in my mother tongue lang 
1