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Windows: Fix spack.bat handling of env commands (#35143)

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This PR enables the successful execution of the spack binary cache
tutorial on Windows. It assumes gnupg and file are available (they
can be installed with choco).

* Fix handling of args with quotes in spack.bat
* `file` utility can be installed on Windows (e.g. with choco): update
  error message accordingly
This commit is contained in:
Dan Lipsa 2023-02-07 14:04:14 -05:00 committed by GitHub
parent 8358f430a4
commit 1648968514
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 37 additions and 27 deletions
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46
bin/spack.bat
View file

@ -83,6 +83,16 @@ if defined _sp_flags (
exit /B 0
)
)
if not defined _sp_subcommand (
if not defined _sp_args (
if not defined _sp_flags (
python "%spack%" --help
exit /B 0
)
)
)
:: pass parsed variables outside of local scope. Need to do
:: this because delayedexpansion can only be set by setlocal
echo %_sp_flags%>flags
@ -92,24 +102,24 @@ endlocal
set /p _sp_subcommand=<subcmd
set /p _sp_flags=<flags
set /p _sp_args=<args
set str_subcommand=%_sp_subcommand:"='%
set str_flags=%_sp_flags:"='%
set str_args=%_sp_args:"='%
if "%str_subcommand%"=="ECHO is off." (set "_sp_subcommand=")
if "%str_flags%"=="ECHO is off." (set "_sp_flags=")
if "%str_args%"=="ECHO is off." (set "_sp_args=")
if "%_sp_subcommand%"=="ECHO is off." (set "_sp_subcommand=")
if "%_sp_subcommand%"=="ECHO is on." (set "_sp_subcommand=")
if "%_sp_flags%"=="ECHO is off." (set "_sp_flags=")
if "%_sp_flags%"=="ECHO is on." (set "_sp_flags=")
if "%_sp_args%"=="ECHO is off." (set "_sp_args=")
if "%_sp_args%"=="ECHO is on." (set "_sp_args=")
del subcmd
del flags
del args
:: Filter out some commands. For any others, just run the command.
if "%_sp_subcommand%" == "cd" (
if %_sp_subcommand% == "cd" (
goto :case_cd
) else if "%_sp_subcommand%" == "env" (
) else if %_sp_subcommand% == "env" (
goto :case_env
) else if "%_sp_subcommand%" == "load" (
) else if %_sp_subcommand% == "load" (
goto :case_load
) else if "%_sp_subcommand%" == "unload" (
) else if %_sp_subcommand% == "unload" (
goto :case_load
) else (
goto :default_case
@ -143,19 +153,21 @@ goto :end_switch
:: If no args or args contain --bat or -h/--help: just execute.
if NOT defined _sp_args (
goto :default_case
)else if NOT "%_sp_args%"=="%_sp_args:--help=%" (
)
set args_no_quote=%_sp_args:"=%
if NOT "%args_no_quote%"=="%args_no_quote:--help=%" (
goto :default_case
) else if NOT "%_sp_args%"=="%_sp_args: -h=%" (
) else if NOT "%args_no_quote%"=="%args_no_quote: -h=%" (
goto :default_case
) else if NOT "%_sp_args%"=="%_sp_args:--bat=%" (
) else if NOT "%args_no_quote%"=="%args_no_quote:--bat=%" (
goto :default_case
) else if NOT "%_sp_args%"=="%_sp_args:deactivate=%" (
) else if NOT "%args_no_quote%"=="%args_no_quote:deactivate=%" (
for /f "tokens=* USEBACKQ" %%I in (
`call python "%spack%" %_sp_flags% env deactivate --bat %_sp_args:deactivate=%`
`call python %spack% %_sp_flags% env deactivate --bat %args_no_quote:deactivate=%`
) do %%I
) else if NOT "%_sp_args%"=="%_sp_args:activate=%" (
) else if NOT "%args_no_quote%"=="%args_no_quote:activate=%" (
for /f "tokens=* USEBACKQ" %%I in (
`call python "%spack%" %_sp_flags% env activate --bat %_sp_args:activate=%`
`python %spack% %_sp_flags% env activate --bat %args_no_quote:activate=%`
) do %%I
) else (
goto :default_case

12
lib/spack/llnl/util/filesystem.py
View file

@ -23,7 +23,7 @@
from llnl.util.lang import dedupe, memoized
from llnl.util.symlink import islink, symlink
from spack.util.executable import CommandNotFoundError, Executable, which
from spack.util.executable import Executable, which
from spack.util.path import path_to_os_path, system_path_filter
is_windows = _platform == "win32"
@ -117,13 +117,7 @@ def path_contains_subdirectory(path, root):
@memoized
def file_command(*args):
"""Creates entry point to `file` system command with provided arguments"""
try:
file_cmd = which("file", required=True)
except CommandNotFoundError as e:
if is_windows:
raise CommandNotFoundError("`file` utility is not available on Windows")
else:
raise e
for arg in args:
file_cmd.add_default_arg(arg)
return file_cmd
@ -134,6 +128,10 @@ def _get_mime_type():
"""Generate method to call `file` system command to aquire mime type
for a specified path
"""
if is_windows:
# -h option (no-dereference) does not exist in Windows
return file_command("-b", "--mime-type")
else:
return file_command("-b", "-h", "--mime-type")