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commit bash-20160408 snapshot

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This commit is contained in:
Chet Ramey
2016-04-22 11:34:34 -04:00
parent b729dac1c8
commit 589afb3c12
18 changed files with 128 additions and 31 deletions
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shell.c
+28 -8
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@@ -573,25 +573,45 @@ main (argc, argv, env)
set_default_locale_vars ();
/*
* M-x term -> TERM=eterm EMACS=22.1 (term:0.96) (eterm)
* M-x shell -> TERM=dumb EMACS=t (no line editing)
* M-x terminal -> TERM=emacs-em7955 EMACS= (line editing)
* M-x term -> TERM=eterm-color INSIDE_EMACS='251,term:0.96' (eterm)
* M-x shell -> TERM='dumb' INSIDE_EMACS='25.1,comint' (no line editing)
*
* Older versions of Emacs may set EMACS to 't' or to something like
* '22.1 (term:0.96)' instead of (or in addition to) setting INSIDE_EMACS.
* They may set TERM to 'eterm' instead of 'eterm-color'. They may have
* a now-obsolete command that sets neither EMACS nor INSIDE_EMACS:
* M-x terminal -> TERM='emacs-em7955' (line editing)
*/
if (interactive_shell)
{
char *term, *emacs;
char *term, *emacs, *inside_emacs;;
int emacs_term, in_emacs;
term = get_string_value ("TERM");
emacs = get_string_value ("EMACS");
inside_emacs = get_string_value ("INSIDE_EMACS");
if (inside_emacs)
{
emacs_term = strstr (inside_emacs, ",term:") != 0;
in_emacs = 1;
}
else if (emacs)
{
/* Infer whether we are in an older Emacs. */
emacs_term = strstr (emacs, " (term:") != 0;
in_emacs = emacs_term || STREQ (emacs, "t");
}
else
in_emacs = emacs_term = 0;
/* Not sure any emacs terminal emulator sets TERM=emacs any more */
no_line_editing |= STREQ (term, "emacs");
no_line_editing |= emacs && emacs[0] == 't' && emacs[1] == '\0' && STREQ (term, "dumb");
no_line_editing |= get_string_value ("INSIDE_EMACS") != 0;
no_line_editing |= in_emacs && STREQ (term, "dumb");
/* running_under_emacs == 2 for `eterm' */
running_under_emacs = (emacs != 0) || STREQN (term, "emacs", 5);
running_under_emacs += STREQN (term, "eterm", 5) && emacs && strstr (emacs, "term");
running_under_emacs = in_emacs || STREQN (term, "emacs", 5);
running_under_emacs += emacs_term && STREQN (term, "eterm", 5);
if (running_under_emacs)
gnu_error_format = 1;