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ef96a6614b
This could have been one iteration off, e.g.
```fish
function on-winch --on-signal winch
echo $LINES
end
```
Resize the terminal, it'll print e.g.
24
then run `echo $LINES` interactively, it might have a different answer.
This isn't beautiful, but it works. A better solution might be to make
the termsize vars electric and just always update them on read?
65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
#!/usr/bin/env python3
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from pexpect_helper import SpawnedProc
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import platform
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# Set a 0 terminal size
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sp = SpawnedProc(args=["-d", "term-support"], dimensions=(0,0))
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send, sendline, sleep, expect_prompt, expect_re, expect_str = (
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sp.send,
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sp.sendline,
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sp.sleep,
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sp.expect_prompt,
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sp.expect_re,
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sp.expect_str,
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)
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expect_prompt()
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# Now confirm it defaulted to 80x24
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sendline("echo $COLUMNS $LINES")
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expect_str("80 24")
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expect_str("term-support: Terminal has 0 columns, falling back to default width")
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expect_str("term-support: Terminal has 0 rows, falling back to default height")
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expect_prompt()
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# See if $LINES/$COLUMNS change in response to sigwinch, also in a --on-signal function
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sendline("function on-winch --on-signal winch; echo $LINES $COLUMNS; end")
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expect_prompt()
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sp.spawn.setwinsize(40, 50)
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expect_str("40 50")
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sendline("echo $LINES $COLUMNS")
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expect_prompt("40 50")
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sp.spawn.setwinsize(20, 70)
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expect_str("20 70")
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sendline("echo $LINES $COLUMNS")
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expect_prompt("20 70")
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sendline("stty -a")
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expect_prompt()
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# Confirm flow control in the shell is disabled - we should ignore the ctrl-s in there.
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sendline("echo hello\x13hello")
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expect_prompt("hellohello")
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# Confirm it is off for external commands
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sendline("stty -a | string match -q '*-ixon -ixoff*'; echo $status")
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expect_prompt("0")
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# Turn flow control on
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sendline("stty ixon ixoff")
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expect_prompt()
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sendline("stty -a | string match -q '*ixon ixoff*'; echo $status")
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expect_prompt("0")
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# HACK: This fails on FreeBSD, macOS and NetBSD for some reason, maybe
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# a pexpect issue?
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# So disable it everywhere but linux for now.
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if platform.system() in ["Linux"]:
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# Confirm flow control in the shell is disabled - we should ignore the ctrl-s in there.
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sendline("echo hello\x13hello")
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# This should not match because we should not get any output.
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# Unfortunately we have to wait for the timeout to expire - set it to a second.
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expect_str("hellohello", timeout=1, shouldfail=True)
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send("\x11") # ctrl-q to resume flow
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expect_prompt("hellohello")
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