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| author |  Phillip Wood <phillip.wood@dunelm.org.uk> | 2022-02-22 18:53:34 +0000 |
|---|---|---|
| committer |  Junio C Hamano <gitster@pobox.com> | 2022-02-23 13:30:06 -0800 |
| commit | 2c6860211f211dfa5625dd1a5a69a802b4384dbb (patch) | |
| tree | ef88ebfabe8a26531f77664529082014a467b5b5 /compat | |
| parent | terminal: pop signal handler when terminal is restored (diff) | |
| download | tgif-2c6860211f211dfa5625dd1a5a69a802b4384dbb.tar.xz | |
terminal: set VMIN and VTIME in non-canonical mode
If VMIN and VTIME are both set to zero then the terminal performs
non-blocking reads which means that read_key_without_echo() returns
EOF if there is no key press pending. This results in the user being
unable to select anything when running "git add -p". Fix this by
explicitly setting VMIN and VTIME when enabling non-canonical mode.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'compat')
| -rw-r--r-- | compat/terminal.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/compat/terminal.c b/compat/terminal.c index 11288cfe5c..3620184e79 100644 --- a/compat/terminal.c +++ b/compat/terminal.c @@ -57,6 +57,10 @@ static int disable_bits(tcflag_t bits) t = old_term; t.c_lflag &= ~bits; + if (bits & ICANON) { + t.c_cc[VMIN] = 1; + t.c_cc[VTIME] = 0; + } if (!tcsetattr(term_fd, TCSAFLUSH, &t)) return 0; @@ -159,7 +163,11 @@ static int disable_bits(DWORD bits) if (bits & ENABLE_LINE_INPUT) { string_list_append(&stty_restore, "icanon"); - strvec_push(&cp.args, "-icanon"); + /* + * POSIX allows VMIN and VTIME to overlap with VEOF and + * VEOL - let's hope that is not the case on windows. + */ + strvec_pushl(&cp.args, "-icanon", "min", "1", "time", "0", NULL); } if (bits & ENABLE_ECHO_INPUT) { |