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authorAndrew Gregory <andrew.gregory.8@gmail.com>2017-04-16 00:31:57 -0400
committerAndrew Gregory <andrew.gregory.8@gmail.com>2017-04-16 19:41:35 -0400
commitfae33a1faf3f94ea46049664ef483b2a3e0d3f01 (patch)
treee33404cef3acbbf18b774a33eab3006a7b986c5e /doc
parent6a4c6a02de9b45abe4c0f78c4f5d14d92d3359d6 (diff)
add --sysroot option
--root is not sufficient to properly operate on a mounted guest system. Using --root still uses the host system's configuration and there is no way to correctly use the guest configuration without manually modifying any Include directives. --sysroot provides an easier way to operate on a guest system by chrooting immediately after option parsing before configuration parsing or performing any operations. It is currently limited to the root user, but that's enough for restoring a guest system to a working state, which is the primary intended use case. Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Diffstat (limited to 'doc')
-rw-r--r--doc/pacman.8.txt11
1 files changed, 9 insertions, 2 deletions
diff --git a/doc/pacman.8.txt b/doc/pacman.8.txt
index f01f4aa4..d670e82a 100644
--- a/doc/pacman.8.txt
+++ b/doc/pacman.8.txt
@@ -136,11 +136,12 @@ Options
*-r, \--root* <path>::
Specify an alternative installation root (default is `/`). This should
not be used as a way to install software into `/usr/local` instead of
- `/usr`. This option is used if you want to install a package on a
- temporarily mounted partition that is "owned" by another system.
+ `/usr`.
*NOTE*: If database path or log file are not specified on either the
command line or in linkman:pacman.conf[5], their default location will
be inside this root path.
+ *NOTE*: This option is not suitable for performing operations on a mounted
+ guest system. See '\--sysroot' instead.
*-v, \--verbose*::
Output paths such as as the Root, Conf File, DB Path, Cache Dirs, etc.
@@ -197,6 +198,12 @@ Options
Disable defaults for low speed limit and timeout on downloads. Use this
if you have issues downloading files with proxy and/or security gateway.
+*\--sysroot* <dir>::
+ Specify an alternative system root. Pacman will chroot and chdir into the
+ system root prior to running. This allows mounted guest systems to be
+ properly operated on. Any other paths given will be interpreted as relative
+ to the system root. Requires root privileges.
+
Transaction Options (apply to '-S', '-R' and '-U')
--------------------------------------------------