patch: colorterm

Support COLORTERM env variable

Several programs and terminal emulators (see links further down), are
using this variable to indicate truecolor support.

https://github.com/termstandard/colors
https://gitlab.com/gnachman/iterm2/-/issues/5294
https://codeberg.org/dnkl/foot/wiki#24-bit-color-support-in-emacs
https://neovim.io/doc/user/term.html#true-color

This patch is taken manually from the suckless mailing list, as it was
never applied to mainline st.
https://lists.suckless.org/hackers/2205/18350.html

1 files changed, 1 insertions, 0 deletions

diff --git a/st.c b/st.c
index 8e57991..291859e 100644
--- a/st.c
+++ b/st.c
@@ -697,6 +697,7 @@ execsh(char *cmd, char **args)
 	setenv("SHELL", sh, 1);
 	setenv("HOME", pw->pw_dir, 1);
 	setenv("TERM", termname, 1);
+	setenv("COLORTERM", "truecolor", 1);
 
 	signal(SIGCHLD, SIG_DFL);
 	signal(SIGHUP, SIG_DFL);