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subshell: advertise that we can suspend a shell that requested CSI u

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Add a new variable to let fish know that -- since the parent commit
-- we are running a version where fish can use the kitty keyboard
protocol without breaking mc.

In a few years, both fish and mc should ideally remove this hack
(and fish should speak the kitty keyboard protocol unconditionally),
so no one should rely on this new variable except as a temporary
workaround. Hence the feature-specific flag and not a generic version
variable.

Signed-off-by: Yury V. Zaytsev <yury@shurup.com>
This commit is contained in:
Johannes Altmanninger 2024-10-11 08:26:48 +02:00 committed by Yury V. Zaytsev
parent 6e4510b558
commit 6ca2013082
1 changed files with 5 additions and 1 deletions
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6
src/subshell/common.c
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@ -430,10 +430,14 @@ init_subshell_child (const char *pty_name)
execl (mc_global.shell->path, mc_global.shell->path, "-Z", "-g", (char *) NULL);
break;
case SHELL_FISH:
execl (mc_global.shell->path, mc_global.shell->path,
"--init-command", "set --global __mc_csi_u 1", (char *) NULL);
break;
case SHELL_ASH_BUSYBOX:
case SHELL_DASH:
case SHELL_TCSH:
case SHELL_FISH:
execl (mc_global.shell->path, mc_global.shell->path, (char *) NULL);
break;