Changeset ba58642

Timestamp:

10/10/2012 09:35:16 PM (12 years ago)

Author:

Bruce Dubbs <bdubbs@…>

Branches:

10.0, 10.1, 11.0, 11.1, 11.2, 11.3, 12.0, 12.1, 7.10, 7.4, 7.5, 7.6, 7.6-blfs, 7.6-systemd, 7.7, 7.8, 7.9, 8.0, 8.1, 8.2, 8.3, 8.4, 9.0, 9.1, basic, bdubbs/svn, elogind, gnome, kde5-13430, kde5-14269, kde5-14686, kea, ken/TL2024, ken/inkscape-core-mods, ken/tuningfonts, krejzi/svn, lazarus, lxqt, nosym, perl-modules, plabs/newcss, plabs/python-mods, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, systemd-11177, systemd-13485, trunk, upgradedb, xry111/intltool, xry111/llvm18, xry111/soup3, xry111/test-20220226, xry111/xf86-video-removal

Children:

ec33cf5

Parents:

68a5e1d0

Message:

Update description of how to execute a command as root in a small script.
Used in several xorg sections.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@10728 af4574ff-66df-0310-9fd7-8a98e5e911e0

Files:

• general.ent (modified) (1 diff)
• introduction/welcome/changelog.xml (modified) (1 diff)
• x/installing/x7app.xml (modified) (1 diff)
• x/installing/x7font.xml (modified) (1 diff)
• x/installing/x7lib.xml (modified) (1 diff)
• x/installing/x7proto.xml (modified) (1 diff)

general.ent

@@ -117 +117 @@
 <!-- End special entities about LFS compatibility -->
 
-<!ENTITY as_root              "<note><para>When installing multiple packages in
-                              a script, the installation needs to be done as
-                              the root user. There are three general options
-                              that can be used to do this:</para>
-
-                              <orderedlist>
-                              <listitem><para>Run the entire script as the root
-                              user (not recommended).</para></listitem>
-
-                              <listitem><para>Use the '<command>sudo</command>'
-                              command from the <xref linkend='sudo'/>
-                              package.</para></listitem>
-
-                              <listitem><para>Use '<command>su -c</command>'
-                              which will ask for the root password for every
-                              iteration of the loop.</para></listitem>
-                              </orderedlist>
-
-                              <para>Select a preferred method and export a
-                              variable <parameter>AS_ROOT</parameter> with the
-                              following command replacing
-                              <parameter>&lt;as_root&gt;</parameter> with the
-                              selected command (unset or use an empty variable
-                              if you intend to run the entire loop as the
-                              root user):</para>
-
-                              <screen><userinput>export AS_ROOT='<replaceable>&lt;as_root&gt;</replaceable>'</userinput></screen>
-                              </note>">
+<!ENTITY as_root "<note><para>When installing multiple packages in a script,
+  the installation needs to be done as the root user. There are three general
+  options that can be used to do this:</para>
+
+  <orderedlist>
+
+  <listitem><para>Run the entire script as the root user (not
+  recommended).</para></listitem>
+
+  <listitem><para>Use the <command>sudo</command> command from the <xref
+  linkend='sudo'/> package.</para></listitem>
+
+  <listitem><para>Use <command>su -c &quot;command arguments&quot;</command>
+  (quotes required) which will ask for the root  password for every iteration
+  of the loop.</para></listitem> 
+  
+  </orderedlist>
+
+  <para>One way to handle this situation is to create a short
+  <command>bash</command> function that automatically selects the appropriate
+  method.  Once the command is set in the environment, it does not need to be
+  set again.</para>
+  
+  <screen><userinput>as_root()
+{
+  if   [ $EUID = 0 ];        then $*
+  elif [ -x /usr/bin/sudo ]; then sudo $*
+  else                            su -c \\&quot;$*\\&quot;
+  fi 
+}
+
+export -f as_root</userinput></screen>
+</note>">
 
 <!ENTITY not-katamari         "<para>This package is not a part of the Xorg

introduction/welcome/changelog.xml

@@ -48 +48 @@
       <itemizedlist>
         <listitem>
-          <para>[krejzi] - Fix Freeglut build with
-          recent MesaLib.</para>
-        </listitem>
-        <listitem>
-          <para>[krejzi] - Updated all of Xorg Drivers
-          to newer available versions.</para>
+          <para>[bdubbs] - Update description of how to execute a
+          command as root in a small script.  Useful in several
+          xorg sections.</para>
+        </listitem>
+        <listitem>
+          <para>[krejzi] - Fix Freeglut build with recent MesaLib.</para>
+        </listitem>
+        <listitem>
+          <para>[krejzi] - Updated all of Xorg Drivers to newer available 
+          versions.</para>
         </listitem>
       </itemizedlist>

x/installing/x7app.xml

@@ -259 +259 @@
   ./configure $XORG_CONFIG
   make
-  $AS_ROOT "make install"
+  as_root make install
   popd
   rm -r $packagedir

x/installing/x7font.xml

@@ -250 +250 @@
   ./configure $XORG_CONFIG
   make
-  $AS_ROOT "make install"
+  as_root make install
   popd
   rm -r $packagedir

x/installing/x7lib.xml

@@ -249 +249 @@
   esac
   make
-  $AS_ROOT "make install"
+  as_root make install
   popd
   rm -r $packagedir
-  $AS_ROOT "/sbin/ldconfig"
+  as_root /sbin/ldconfig
 done</userinput></screen>
 

x/installing/x7proto.xml

@@ -217 +217 @@
   pushd $packagedir
   ./configure $XORG_CONFIG
-  $AS_ROOT "make install"
+  as_root make install
   popd
   rm -r $packagedir