source: chapter06/bash.xml@ 29b86b4

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Last change on this file since 29b86b4 was 29b86b4, checked in by Pierre Labastie <pieere@…>, 3 years ago

Document bash test results

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11861 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-system-bash" role="wrap">
9 <?dbhtml filename="bash.html"?>
10
11 <sect1info condition="script">
12 <productname>bash</productname>
13 <productnumber>&bash-version;</productnumber>
14 <address>&bash-url;</address>
15 </sect1info>
16
17 <title>Bash-&bash-version;</title>
18
19 <indexterm zone="ch-system-bash">
20 <primary sortas="a-Bash">Bash</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The Bash package contains the Bourne-Again SHell.</para>
27
28 <segmentedlist>
29 <segtitle>&buildtime;</segtitle>
30 <segtitle>&diskspace;</segtitle>
31
32 <seglistitem>
33 <seg>&bash-ch6-sbu;</seg>
34 <seg>&bash-ch6-du;</seg>
35 </seglistitem>
36 </segmentedlist>
37
38 </sect2>
39
40 <sect2 role="installation">
41 <title>Installation of Bash</title>
42
43 <para>Incorporate some upstream fixes:</para>
44
45<screen><userinput remap="pre">patch -Np1 -i ../&bash-fixes-patch;</userinput></screen>
46
47 <para>Prepare Bash for compilation:</para>
48
49<screen><userinput remap="configure">./configure --prefix=/usr \
50 --docdir=/usr/share/doc/bash-&bash-version; \
51 --without-bash-malloc \
52 --with-installed-readline</userinput></screen>
53
54 <variablelist>
55 <title>The meaning of the new configure option:</title>
56
57 <varlistentry>
58 <term><parameter>--with-installed-readline</parameter></term>
59 <listitem>
60 <para>This option tells Bash to use the <filename
61 class="libraryfile">readline</filename> library that is already
62 installed on the system rather than using its own readline
63 version.</para>
64 </listitem>
65 </varlistentry>
66
67 </variablelist>
68
69 <para>Compile the package:</para>
70
71<screen><userinput remap="make">make</userinput></screen>
72
73 <para>Skip down to <quote>Install the
74 package</quote> if not running the test suite.</para>
75
76 <para>To prepare the tests, ensure that the <systemitem class="username">nobody</systemitem> user can write to the sources tree:</para>
77
78<screen><userinput remap="test">chown -Rv nobody .</userinput></screen>
79
80 <para>Now, run the tests as the <systemitem
81 class="username">nobody</systemitem> user:</para>
82
83<screen><userinput remap="test">su nobody -s /bin/bash &lt;&lt; EOF
84PATH=$PATH HOME=/home make tests
85EOF</userinput></screen>
86
87 <para>The <command>su</command> command above is slightly different from
88 other places in the book. The
89 reason is that the <option>-c</option> option runs the command without
90 a controlling terminal, while the bash test suite needs one.</para>
91
92 <para>Nevertheless, the <systemitem class="username">nobody</systemitem>
93 user does not have enough permissions for all the tests to pass. This shows
94 up in some <quote>diff</quote> output in four test results.</para>
95
96 <para>Install the package and move the main executable to
97 <filename class='directory'>/bin</filename>:</para>
98
99<screen><userinput remap="install">make install
100mv -vf /usr/bin/bash /bin</userinput></screen>
101
102 <para>Run the newly compiled <command>bash</command> program (replacing the one that is
103 currently being executed):</para>
104
105<screen role="nodump"><userinput>exec /bin/bash --login +h</userinput></screen>
106
107 <note>
108 <para>The parameters used make the <command>bash</command>
109 process an interactive login shell and continue to disable hashing so
110 that new programs are found as they become available.</para>
111 </note>
112
113 </sect2>
114
115 <sect2 id="contents-bash" role="content">
116 <title>Contents of Bash</title>
117
118 <segmentedlist>
119 <segtitle>Installed programs</segtitle>
120 <segtitle>Installed directory</segtitle>
121
122 <seglistitem>
123 <seg>bash, bashbug, and sh (link to bash)</seg>
124 <seg>/usr/include/bash, /usr/lib/bash, and
125 /usr/share/doc/bash-&bash-version;</seg>
126 </seglistitem>
127 </segmentedlist>
128
129 <variablelist>
130 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
131 <?dbfo list-presentation="list"?>
132 <?dbhtml list-presentation="table"?>
133
134 <varlistentry id="bash">
135 <term><command>bash</command></term>
136 <listitem>
137 <para>A widely-used command interpreter; it performs many types of
138 expansions and substitutions on a given command line before executing
139 it, thus making this interpreter a powerful tool</para>
140 <indexterm zone="ch-system-bash bash">
141 <primary sortas="b-bash">bash</primary>
142 </indexterm>
143 </listitem>
144 </varlistentry>
145
146 <varlistentry id="bashbug">
147 <term><command>bashbug</command></term>
148 <listitem>
149 <para>A shell script to help the user compose and mail standard
150 formatted bug reports concerning <command>bash</command></para>
151 <indexterm zone="ch-system-bash bashbug">
152 <primary sortas="b-bashbug">bashbug</primary>
153 </indexterm>
154 </listitem>
155 </varlistentry>
156
157 <varlistentry id="sh">
158 <term><command>sh</command></term>
159 <listitem>
160 <para>A symlink to the <command>bash</command> program; when invoked
161 as <command>sh</command>, <command>bash</command> tries to mimic the
162 startup behavior of historical versions of <command>sh</command> as
163 closely as possible, while conforming to the POSIX standard as
164 well</para>
165 <indexterm zone="ch-system-bash sh">
166 <primary sortas="b-sh">sh</primary>
167 </indexterm>
168 </listitem>
169 </varlistentry>
170
171 </variablelist>
172
173 </sect2>
174
175</sect1>
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