Hi.
There are 2 problems about job-channel callback.
1) callback isn't invoked when last line doesn't terminate by NL.
[repro steps]
test.vim
---
function! Callback(ch, msg)
echom a:msg
let g:linecount += 1
endfunction
let g:linecount = 0
call job_start(['python', '-c', 'import sys;sys.stdout.write("1\n2\n3")'],
{'callback': 'Callback'})
---
vim -Nu NONE -S test.vim
expected: g:linecount == 3 and ':messages shows;
----
1
2
3
----
actual: g:linecount == 2 and ':messages' shows;
----
1
2
----
[patch]
- Flush last line when no ending NL
https://gist.github.com/ichizok/a60b96fc5c913b260c34a7e9e1a02de8
2) callback isn't invoked when job immediately terminates.
[repro steps]
test.vim
----
function! Callback(ch, msg)
echom a:msg
let g:linecount += 1
endfunction
let g:linecount = 0
call job_start(['python', '-c', 'import
os,sys;os.close(1);sys.stderr.write("1\n")'], {'callback': 'Callback'})
----
vim -Nu NONE -S test.vim
expected: ':messages' shows "1" and g:linecount == 1
actual: ':messages' shows nothing and g:linecount == 0
[cause]
When one of the fds associated with job-channel reachs EOF,
job-channel are closed even if other fds has readable data.
[patch]
- Don't close job-channel until all readable fds are closed
https://gist.github.com/ichizok/6e0c00daf387b32bebcc2972f0cca137
Thank you.
- Ozaki Kiichi
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