ash: improve --help

function                                             old     new   delta
packed_usage                                       33504   33499      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2021-01-04 03:50:38 +01:00
parent 3b053051c7
commit 4e039bab37

View File

@ -314,9 +314,12 @@ typedef long arith_t;
/* ============ Shell options */
/* If you add/change options hare, update --help text too */
static const char *const optletters_optnames[] = {
"e" "errexit",
"f" "noglob",
/* bash has '-o ignoreeof', but no short synonym -I for it */
/* (in bash, set -I disables invisible variables (what's that?)) */
"I" "ignoreeof",
/* The below allowed this invocation:
* ash -c 'set -i; echo $-; sleep 5; echo $-'
@ -325,9 +328,10 @@ static const char *const optletters_optnames[] = {
* In our code, this is denoted by empty long name:
*/
"i" "",
/* (removing "i" altogether would remove it from "$-", not good) */
"m" "monitor",
"n" "noexec",
/* Ditto: bash has no "set -s" */
/* Ditto: bash has no "set -s", "set -c" */
"s" "",
"c" "",
"x" "xtrace",
@ -14265,7 +14269,8 @@ init(void)
//usage:#define ash_trivial_usage
//usage: "[-/+OPTIONS] [-/+o OPT]... [-c 'SCRIPT' [ARG0 [ARGS]] / FILE [ARGS] / -s [ARGS]]"
//usage: "[-il] [-/+Cabefmnuvx] [-/+o OPT]... [-c 'SCRIPT' [ARG0 [ARGS]] / FILE [ARGS] / -s [ARGS]]"
//////// comes from ^^^^^^^^^^optletters
//usage:#define ash_full_usage "\n\n"
//usage: "Unix shell interpreter"