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Add a 'force' option for non-interactive crontab removal

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Add a '-f' option to force crontab '-r' to be non-interactive.

Submitted by:	Sam Gwydir <sam at samgwydir.com>
Reviewed by:	me, wblock (previous version)
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D8815
This commit is contained in:
Conrad Meyer 2016-12-20 17:12:17 +00:00
parent 8a73c85db3
commit d21656dcab
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=310329
2 changed files with 15 additions and 5 deletions
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10
usr.sbin/cron/crontab/crontab.1
View File

@ -17,7 +17,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd May 13, 2010
.Dd December 20, 2016
.Dt CRONTAB 1
.Os
.Sh NAME
@ -31,7 +31,8 @@
.Op Fl u Ar user
{
.Fl l |
.Fl r |
.Fl r Op Fl f
|
.Fl e
}
.Sh DESCRIPTION
@ -97,6 +98,11 @@ option for safety's sake.
Display the current crontab on standard output.
.It Fl r
Remove the current crontab.
By default the
.Fl r
option prompts for confirmation, adding the
.Fl f
option will attempt to remove the current crontab without confirmation.
.It Fl e
Edit the current crontab using the editor specified by
the

10
usr.sbin/cron/crontab/crontab.c
View File

@ -63,6 +63,7 @@ static char Filename[MAX_FNAME];
static FILE *NewCrontab;
static int CheckErrorCount;
static enum opt_t Option;
static int fflag;
static struct passwd *pw;
static void list_cmd(void),
delete_cmd(void),
@ -79,7 +80,7 @@ usage(char *msg)
fprintf(stderr, "crontab: usage error: %s\n", msg);
fprintf(stderr, "%s\n%s\n",
"usage: crontab [-u user] file",
" crontab [-u user] { -e | -l | -r }");
" crontab [-u user] { -l | -r [-f] | -e }");
exit(ERROR_EXIT);
}
@ -142,7 +143,7 @@ parse_args(argc, argv)
strcpy(RealUser, User);
Filename[0] = '\0';
Option = opt_unknown;
while ((argch = getopt(argc, argv, "u:lerx:")) != -1) {
while ((argch = getopt(argc, argv, "u:lerx:f")) != -1) {
switch (argch) {
case 'x':
if (!set_debug_flags(optarg))
@ -172,6 +173,9 @@ parse_args(argc, argv)
usage("only one operation permitted");
Option = opt_edit;
break;
case 'f':
fflag = 1;
break;
default:
usage("unrecognized option");
}
@ -282,7 +286,7 @@ delete_cmd() {
char n[MAX_FNAME];
int ch, first;
if (isatty(STDIN_FILENO)) {
if (!fflag && isatty(STDIN_FILENO)) {
(void)fprintf(stderr, "remove crontab for %s? ", User);
first = ch = getchar();
while (ch != '\n' && ch != EOF)