Changeset 07ecae2 for chapter05/chapter05.xml

Timestamp:

12/12/2003 01:43:31 AM (20 years ago)

Author:

Greg Schafer <greg@…>

Branches:

10.0, 10.0-rc1, 10.1, 10.1-rc1, 11.0, 11.0-rc1, 11.0-rc2, 11.0-rc3, 11.1, 11.1-rc1, 11.2, 11.2-rc1, 11.3, 11.3-rc1, 12.0, 12.0-rc1, 12.1, 12.1-rc1, 6.0, 6.1, 6.1.1, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 7.0, 7.1, 7.2, 7.3, 7.4, 7.5, 7.5-systemd, 7.6, 7.6-systemd, 7.7, 7.7-systemd, 7.8, 7.8-systemd, 7.9, 7.9-systemd, 8.0, 8.1, 8.2, 8.3, 8.4, 9.0, 9.1, arm, bdubbs/gcc13, ml-11.0, multilib, renodr/libudev-from-systemd, s6-init, trunk, v5_1, v5_1_1, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/lfs-next, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/pip3, xry111/rust-wip-20221008, xry111/update-glibc

Children:

9c8916b

Parents:

6213d4c

Message:

Fixed Bash startup files to handle HOME and PS1.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@3132 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:

• chapter05/chapter05.xml (modified) (2 diffs)

chapter05/chapter05.xml

@@ -353 +353 @@
 
 <screen><userinput>cat &gt; ~/.bash_profile &lt;&lt; "EOF"</userinput>
-exec env -i TERM=$TERM /bin/bash
+exec env -i HOME=$HOME TERM=$TERM PS1='\u:\w\$ ' /bin/bash
 <userinput>EOF</userinput></screen>
 
-<para>The <userinput>exec env -i TERM=$TERM /bin/bash</userinput> command
-creates a new instance of Bash with a completely empty environment, except for
-the TERM variable. This is needed to ensure that no unwanted and potentially
-hazardous environment variables from the host system leak into our build
-environment. The technique used here is a little non-standard but it achieves
-the goal of enforcing a clean environment. By way of explanation, the initial
-shell is a <emphasis>login</emphasis> shell which reads the
-<filename>.bash_profile</filename>. The new shell instance is a
+<para>The
+<userinput>exec env -i HOME=$HOME TERM=$TERM PS1='\u:\w\$ ' /bin/bash</userinput>
+command creates a new instance of Bash with a completely empty environment,
+except for the HOME, TERM and PS1 variables. This is needed to ensure that no
+unwanted and potentially hazardous environment variables from the host system
+leak into our build environment. The technique used here is a little
+non-standard but it achieves the goal of enforcing a clean environment. By way
+of explanation, the initial shell is a <emphasis>login</emphasis> shell which
+reads the <filename>.bash_profile</filename>. The new shell instance is a
 <emphasis>non-login</emphasis> shell which reads the
 <filename>.bashrc</filename> (created next).</para>
@@ -392 +393 @@
 files and directories are only writable for their owner, but readable and
 executable for anyone.</para>
- 
+
 <para>The LFS variable should of course be set to the mount point you
 chose.</para>