diff options
| author | Karel Zak | 2017-01-09 12:48:14 +0100 |
|---|---|---|
| committer | Karel Zak | 2017-01-09 12:50:47 +0100 |
| commit | b5672517fdf37df8f2e3fbf13065723d0486ca56 (patch) | |
| tree | cf437f759eb35a03602abe490d284deab00fc517 /sys-utils | |
| parent | nsenter: fix usage() and improve man page (diff) | |
| download | kernel-qcow2-util-linux-b5672517fdf37df8f2e3fbf13065723d0486ca56.tar.gz kernel-qcow2-util-linux-b5672517fdf37df8f2e3fbf13065723d0486ca56.tar.xz kernel-qcow2-util-linux-b5672517fdf37df8f2e3fbf13065723d0486ca56.zip | |
unshare: fix SYNOPSIS and usage()
The "program" is optional and $SHELL is executed by default.
Addresses: https://github.com/karelzak/util-linux/issues/389
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils')
| -rw-r--r-- | sys-utils/unshare.1 | 7 | ||||
| -rw-r--r-- | sys-utils/unshare.c | 2 |
2 files changed, 5 insertions, 4 deletions
diff --git a/sys-utils/unshare.1 b/sys-utils/unshare.1 index ed3167815..7c7d144d1 100644 --- a/sys-utils/unshare.1 +++ b/sys-utils/unshare.1 @@ -4,11 +4,12 @@ unshare \- run program with some namespaces unshared from parent .SH SYNOPSIS .B unshare [options] -.I program -.RI [ arguments ] +.RI [ program +.RI [ arguments ]] .SH DESCRIPTION Unshares the indicated namespaces from the parent process and then executes -the specified \fIprogram\fR. +the specified \fIprogram\fR. If \fIprogram\fR is not given, then ``${SHELL}'' is +run (default: /bin/sh). .PP The namespaces can optionally be made persistent by bind mounting /proc/\fIpid\fR/ns/\fItype\fR files to a filesystem path and entered with diff --git a/sys-utils/unshare.c b/sys-utils/unshare.c index edd9bbe69..0d02b70b3 100644 --- a/sys-utils/unshare.c +++ b/sys-utils/unshare.c @@ -243,7 +243,7 @@ static void usage(int status) FILE *out = status == EXIT_SUCCESS ? stdout : stderr; fputs(USAGE_HEADER, out); - fprintf(out, _(" %s [options] <program> [<argument>...]\n"), + fprintf(out, _(" %s [options] [<program> [<argument>...]]\n"), program_invocation_short_name); fputs(USAGE_SEPARATOR, out); |