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Add comments explaining pdksh and mksh features

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d3m3t3r 2024-11-07 22:32:58 +00:00
parent a9107dbad1
commit 014cb2099f
1 changed files with 5 additions and 1 deletions
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6
src/subshell/common.c
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@ -389,7 +389,7 @@ init_subshell_child (const char *pty_name)
/* Do we have a custom init file ~/.local/share/mc/mkshrc? */ /* Do we have a custom init file ~/.local/share/mc/mkshrc? */
init_file = mc_config_get_full_path (MC_MKSHRC_FILE); init_file = mc_config_get_full_path (MC_MKSHRC_FILE);
/* Otherwise use ~/.mkshrc */ /* Otherwise use ~/.mkshrc (default behavior of mksh) */
if (!exist_file (init_file)) if (!exist_file (init_file))
{ {
g_free (init_file); g_free (init_file);
@ -400,6 +400,8 @@ init_subshell_child (const char *pty_name)
* is not already set. */ * is not already set. */
g_setenv ("ENV", init_file, FALSE); g_setenv ("ENV", init_file, FALSE);
/* Note mksh doesn't support HISTCONTROL. */
break; break;
case SHELL_ZSH: case SHELL_ZSH:
@ -1203,12 +1205,14 @@ init_subshell_precmd (char *precmd, size_t buff_size)
break; break;
case SHELL_KSH: case SHELL_KSH:
/* pdksh based variants support \x placeholders but not any "precmd" functionality. */
g_snprintf (precmd, buff_size, g_snprintf (precmd, buff_size,
" PS1='$(pwd>&%d; kill -STOP $$)\\u@\\h:\\w\\$ '\n", " PS1='$(pwd>&%d; kill -STOP $$)\\u@\\h:\\w\\$ '\n",
subshell_pipe[WRITE]); subshell_pipe[WRITE]);
break; break;
case SHELL_MKSH: case SHELL_MKSH:
/* mksh doesn't support \x placeholders neither any "precmd" functionality */
g_snprintf (precmd, buff_size, g_snprintf (precmd, buff_size,
" PS1='$(pwd>&%d; kill -STOP $$)${USER:=$(id -un)}@${HOSTNAME:=$(hostname -s)}:$PWD\\$ '\n", " PS1='$(pwd>&%d; kill -STOP $$)${USER:=$(id -un)}@${HOSTNAME:=$(hostname -s)}:$PWD\\$ '\n",
subshell_pipe[WRITE]); subshell_pipe[WRITE]);