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Fix colors in terminal by maintaining COLORTERM

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Fixes https://github.com/neovim/neovim/issues/10836
This commit is contained in:
Thomas Fehér 2020-09-12 07:43:35 +02:00
parent a6bd52d877
commit d8963c434f
1 changed files with 14 additions and 1 deletions
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15
src/nvim/os/pty_process_unix.c
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@ -160,8 +160,21 @@ static void init_child(PtyProcess *ptyproc)
os_unsetenv("COLUMNS"); os_unsetenv("COLUMNS");
os_unsetenv("LINES"); os_unsetenv("LINES");
os_unsetenv("TERMCAP"); os_unsetenv("TERMCAP");
os_unsetenv("COLORTERM");
os_unsetenv("COLORFGBG"); os_unsetenv("COLORFGBG");
// setting COLORTERM to "truecolor" if termguicolors is set and 256
// otherwise, but only if it was set in the parent terminal at all
if (os_env_exists("COLORTERM")) {
const char *colorterm = os_getenv("COLORTERM");
if (colorterm != NULL) {
if (p_tgc) {
os_setenv("COLORTERM", "truecolor", 1);
} else {
os_setenv("COLORTERM", "256", 1);
}
} else {
os_unsetenv("COLORTERM");
}
}
signal(SIGCHLD, SIG_DFL); signal(SIGCHLD, SIG_DFL);
signal(SIGHUP, SIG_DFL); signal(SIGHUP, SIG_DFL);