diff options
| -rw-r--r-- | bin/1sh/1sh.1 | 9 | ||||
| -rw-r--r-- | bin/1sh/parser.c | 10 |
2 files changed, 16 insertions, 3 deletions
diff --git a/bin/1sh/1sh.1 b/bin/1sh/1sh.1 index 65e0bda9..1dbefe09 100644 --- a/bin/1sh/1sh.1 +++ b/bin/1sh/1sh.1 @@ -32,7 +32,7 @@ .\" from: @(#)sh.1 8.6 (Berkeley) 5/4/95 .\" $FreeBSD: releng/12.0/bin/sh/sh.1 336483 2018-07-19 13:09:29Z 0mp $ . -.Dd June 24, 2019 +.Dd November 20, 2019 .Dt 1SH 1 .Os . @@ -1561,6 +1561,8 @@ This system's hostname. The final component of the current working directory. .It Li \ew The entire path of the current working directory. +.It Li \e? +Exit status if it is non-zero, empty string otherwise. .It Li \e$ Superuser status. .Dq Li "$ " @@ -3206,14 +3208,15 @@ has a default value. Further prompt customization with .Va PS0 , .Va RPS1 , -.Va RPS2 , -.Va PSlit . +.Va RPS2 . .It .Va HOME is shortened to .Sq ~ in prompt expansion. .It +Exit status prompt expansion. +.It .Ic fc Fl s Ar = Ns Ar new prefixes commands. .El diff --git a/bin/1sh/parser.c b/bin/1sh/parser.c index 377ab78f..39b36e67 100644 --- a/bin/1sh/parser.c +++ b/bin/1sh/parser.c @@ -2039,6 +2039,16 @@ expandprompt(const char *fmt) { break; /* + * Exit status if non-zero. + */ + case '?': + if (exitstatus != 0) + snprintf(&ps[i], PROMPTLEN - i, "%d", exitstatus); + else + i--; + break; + + /* * Superuser status. * * '$' for normal users, '#' for root. |