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HardenedBSD-pkg
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HardenedBSD Package Manager
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Commits › fe4d0c7
pkg.8: Reword example usage and add safer method
Bryan Drewery committed 12 years ago
commit fe4d0c72d0483f660772611f7a96f952133d8e78
parent 0011b5f
1 file changed +25 -12
modified pkg/pkg.8
@@ -15,7 +15,7 @@
.\"     @(#)pkg.8

.\" $FreeBSD$

.\"
- 
.Dd June 5, 2013
+ 
.Dd June 11, 2013

.Dt PKG 8

.Os

.\" ---------------------------------------------------------------------------
@@ -92,24 +92,37 @@ is configured to use
.Nm

as its package management system or not.

.Pp
+ 
Example usage:
+ 
.Bd -literal -offset indent
+ 
  if pkg -N >/dev/null 2>&1; then
+ 
    # pkgng-specifics
+ 
  else
+ 
    # pkg_install-specifics
+ 
  fi
+ 
.Ed
+ 
.Pp

The

.Fl N
- 
flag was not released at the initial release of
+ 
flag was first released in the
+ 
.Pa /usr/sbin/pkg
+ 
bootstrapper
+ 
in FreeBSD 8.4,
+ 
but was missing from FreeBSD 9.1.
+ 
It was not released in

.Nm
- 
and did not exist in every released version of the bootstrapper in
- 
.Pa /usr/sbin/pkg .
+ 
until 1.0.13.

Because of this, it may not be enough to just call

.Nm Fl N ,
- 
as the bootstrapper may be invoked.
- 
The following script is the best way to detect if
- 
.Nm
- 
is installed and ready for use.
- 
This also assumes that the installed
+ 
as the bootstrapper may be invoked, or an error returned
+ 
from
+ 
.Nm .
+ 
The following script is the safest way to detect if

.Nm
- 
is at least version 1.0.13.
+ 
is installed and activated:

.Bd -literal -offset indent
- 
  if [ -f /var/db/pkg/local.sqlite ] &&
- 
      pkg -N >/dev/null 2>&1; then
+ 
  if TMPDIR=/dev/null ASSUME_ALWAYS_YES=1 \\
+ 
       PACKAGESITE=file:///nonexistent \\
+ 
       pkg info pkg >/dev/null 2>&1; then

    # pkgng-specifics

  else

    # pkg_install-specifics