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[#608] Windows fix for <app> console #626

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[#608] Windows fix for <app> console #626

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8b7c204
Modified console.ps1 to execute the application inside the current po…
artman41 Jan 10, 2019
949970a
[windows] Added support for paths containing spaces
artman41 Jan 10, 2019
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12 changes: 6 additions & 6 deletions priv/libexec/commands/win/console.ps1
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Original file line number Diff line number Diff line change
@@ -1,12 +1,12 @@
## Run the app in console mode
$bin = whereis-erts-bin
$werl = (join-path $bin werl)
$erl = (join-path $bin "erl.exe") #get erl.exe as werl.exe will open a new window

$boot = (join-path $Env:REL_DIR $Env:REL_NAME)

$argv = @("-boot", $boot)
$argv += @("-config", $Env:SYS_CONFIG_PATH)
$argv += @("-args_file", $Env:VMARGS_PATH)
$argv = @("-boot", "`"$boot`"")
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Just for my own edification, could you explain the changes here? I'm going to merge them, I'd just like to know what I need to be doing differently or how I should be reasoning about quoting here; I'm working with PS Core for the most part, and I know there are differences with previous versions of PS, but from a maintenance standpoint I can't work with both, so Core is what I've stuck with, do these changes make any assumptions in that regard?

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@artman41 artman41 Jan 18, 2019 •
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so, the difference here is that we wrap the $boot in quotes so that paths containing a space work as intended, rather than acting as independent args 👍

we also wrap the other args in quotes just in case

$argv += @("-config", "`"$Env:SYS_CONFIG_PATH`"")
$argv += @("-args_file", "`"$Env:VMARGS_PATH`"")
$argv += @("-user", "Elixir.IEx.CLI")
$argv += @("-extra", "--no-halt", "+iex")

Expand All @@ -18,6 +18,6 @@ $post_start = {
}

# Run post-start hooks asynchronously
start-job -Name "post_start hooks" -ScriptBlock $post_start
start-job -Name "post_start hooks" -ScriptBlock $post_start | out-null # hide the output from start-job

& $werl @argv
start-process "$erl" -ArgumentList "$argv" -Wait -NoNewWindow #execute the application in the current shell window
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My impression was that werl is the only "true" Erlang shell, the command-line version is considerably simpler, missing many of the useful features - has that changed? I would expect someone would want the proper shell when attaching a console in production. Thoughts?

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possibly I'm incorrect but I was under the assumption that the two were identical, in the case that they are not, it may be a good idea to have an optional config flag

3 changes: 2 additions & 1 deletion priv/templates/release_rc_win_exec.eex
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Expand Up @@ -15,4 +15,5 @@ where pwsh >nul 2>nul
if %ERRORLEVEL% equ 0 (
set prog=pwsh
)
%prog% -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command "& "%boot_script%" @args" %*
%prog% -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command "& '%boot_script%' @args" %*