Problem:
On Windows, :make does not display the output of the program it runs.
The cause is the default 'shellpipe'. On Linux, nvim uses `tee` to redirect the
output to both stdout and the error file. In Windows, for both cmd.exe and
powershell, the output is only redirected to the error file.
Solution:
- On Windows, change the 'shellpipe' default to "2>&1| tee".
- Nvim includes `tee` in its Windows package.
- Document recommended defaults for powershell.
Fixes#12910
Problem:
The calculation of `len` in `make_filter_cmd` for powershell falls short
by one character for the following ex command:
:%w !sort
This command satisfies these conditions:
- `itmp` is not null
- `otmp` is null
__NOTE__ that other shells circumvent this bug only because of `len`
allocation for six extra characters: a pair of curly braces and four
spaces:
cfdb4cbada/src/nvim/ex_cmds.c (L1551-L1554)
If allocation for these six characters are removed, then bash also faces
the same bug.
Solution:
Add allocation for 6 extra bytes. 1 would do, but let's keep powershell
in sync with other shells as much as possible.
Extend the capabilities of is_os to detect more platforms such as
freebsd and openbsd. Also remove `iswin()` helper function as it can be
replaced by `is_os("win")`.
Problem:
If the shell command passed to the filtered bang command isn't found,
the error isn't redirected to the temp.out file when shell is set to
powershell.
Solution: Use anonymous function with Invoke-Command operator (&).
Problem:
`Start-Process` requires the command to be split into the shell
command and its arguments. Previously it was done by parsing, which
didn't handle cases such as
- commands with escaped space in their filepath
- quoted commands with space in their filepath
Solution:
Use
- `pwsh -Command` instead of `Start-Process`
- `Get-Content` instead of `-RedirectStandardInput`
- `Out-File` instead of `-RedirectStandardOutput`
Problem:
Since 0b9664f524 powershell filtered
:[range]! commands with args causes error:
"Start-Process: A positional parameter cannot be found that accepts argument ..."
Solution:
Pass args to Start-Process via `-ArgumentList`.
closes#19250
Problem:
Nvim fails to create tempfile "…/nvim6UJx04/7" when 'shell' is set to
pwsh (PowerShell Core). This breaks filtered shell commands ":{range}!".
With shell set to cmd, it works.
Solution:
PowerShell doesn't use "<" for stdin redirection. Instead, use
"-RedirectStandardInput".
Closes#15913
Problem:
Subdirectories like "visual", "insert", "normal" encourage people to
separate *related* tests for no good reason. Typically the _mode_ is
not the relevant topic of a test (and when it is, _then_ create
an appropriate describe() or it()).
Solution:
- Delete the various `test/functional/<mode>/` subdirectories, move
their tests to more meaningful topics.
- Rename `…/normal/` to `…/editor/`.
- Move or merge `…/visual/*` and `…/insert/*` tests into here where
appropriate.
- Rename `…/eval/` to `…/vimscript/`.
- Move `…/viml/*` into here also.
* test(reorg): insert/* => editor/mode_insert_spec.lua
* test(reorg): cmdline/* => editor/mode_cmdline_spec.lua
* test(reorg): eval core tests => eval_spec.lua
