1 | <?xml version="1.0" encoding="UTF-8"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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5 | %general-entities;
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6 | ]>
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7 |
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8 | <sect1 id="ch-system-bash" role="wrap">
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9 | <?dbhtml filename="bash.html"?>
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10 |
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11 | <sect1info condition="script">
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12 | <productname>bash</productname>
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13 | <productnumber>&bash-version;</productnumber>
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14 | <address>&bash-url;</address>
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15 | </sect1info>
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16 |
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17 | <title>Bash-&bash-version;</title>
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18 |
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19 | <indexterm zone="ch-system-bash">
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20 | <primary sortas="a-Bash">Bash</primary>
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21 | </indexterm>
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22 |
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23 | <sect2 role="package">
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24 | <title/>
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25 |
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26 | <para>The Bash package contains the Bourne-Again Shell.</para>
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27 |
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28 | <segmentedlist>
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29 | <segtitle>&buildtime;</segtitle>
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30 | <segtitle>&diskspace;</segtitle>
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31 |
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32 | <seglistitem>
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33 | <seg>&bash-fin-sbu;</seg>
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34 | <seg>&bash-fin-du;</seg>
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35 | </seglistitem>
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36 | </segmentedlist>
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37 |
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38 | </sect2>
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39 |
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40 | <sect2 role="installation">
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41 | <title>Installation of Bash</title>
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42 |
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43 | <para>Prepare Bash for compilation:</para>
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44 |
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45 | <screen><userinput remap="configure">./configure --prefix=/usr \
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46 | --without-bash-malloc \
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47 | --with-installed-readline \
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48 | bash_cv_strtold_broken=no \
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49 | --docdir=/usr/share/doc/bash-&bash-version;</userinput></screen>
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50 |
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51 | <variablelist>
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52 | <title>The meaning of the new configure option:</title>
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53 |
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54 | <varlistentry>
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55 | <term><parameter>--with-installed-readline</parameter></term>
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56 | <listitem>
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57 | <para>This option tells Bash to use the <filename
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58 | class="libraryfile">readline</filename> library that is already
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59 | installed on the system rather than using its own readline
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60 | version.</para>
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61 | </listitem>
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62 | </varlistentry>
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63 |
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64 | </variablelist>
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65 |
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66 | <para>Compile the package:</para>
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67 |
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68 | <screen><userinput remap="make">make</userinput></screen>
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69 |
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70 | <para>Skip down to <quote>Install the
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71 | package</quote> if not running the test suite.</para>
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72 |
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73 | <para>To prepare the tests, ensure that the <systemitem class="username">tester</systemitem> user can write to the sources tree:</para>
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74 |
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75 | <screen><userinput remap="test">chown -R tester .</userinput></screen>
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76 |
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77 | <para>The test suite of this package is designed to be run as a non-&root;
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78 | user who owns the terminal connected to standard input. To satisfy the
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79 | requirement, spawn a new pseudo terminal using
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80 | <application>Expect</application> and run the tests as the <systemitem
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81 | class="username">tester</systemitem> user:</para>
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82 |
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83 | <screen><userinput remap="test">su -s /usr/bin/expect tester << "EOF"
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84 | set timeout -1
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85 | spawn make tests
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86 | expect eof
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87 | lassign [wait] _ _ _ value
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88 | exit $value
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89 | EOF</userinput></screen>
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90 |
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91 | <para>The test suite uses <command>diff</command> to detect the
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92 | difference between test script output and the expected output. Any
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93 | output from <command>diff</command> (prefixed with
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94 | <computeroutput><</computeroutput> and
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95 | <computeroutput>></computeroutput>) indicates a test failure, unless
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96 | there is a message saying the difference can be ignored.
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97 | <!-- Some host distros set core file size hard limit < 1000, then the
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98 | test "ulimit -c -S 1000" attempts to set soft limit > hard limit
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99 | and fail. -->
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100 | One test named <filename>run-builtins</filename> is known to fail on
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101 | some host distros with a difference on the first line of the
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102 | output.</para>
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103 |
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104 | <para>Install the package:</para>
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105 |
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106 | <screen><userinput remap="install">make install</userinput></screen>
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107 |
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108 | <para>Run the newly compiled <command>bash</command> program (replacing the one that is
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109 | currently being executed):</para>
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110 |
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111 | <screen role="nodump"><userinput>exec /usr/bin/bash --login</userinput></screen>
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112 |
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113 | </sect2>
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114 |
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115 | <sect2 id="contents-bash" role="content">
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116 | <title>Contents of Bash</title>
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117 |
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118 | <segmentedlist>
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119 | <segtitle>Installed programs</segtitle>
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120 | <segtitle>Installed directory</segtitle>
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121 |
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122 | <seglistitem>
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123 | <seg>bash, bashbug, and sh (link to bash)</seg>
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124 | <seg>/usr/include/bash, /usr/lib/bash, and
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125 | /usr/share/doc/bash-&bash-version;</seg>
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126 | </seglistitem>
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127 | </segmentedlist>
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128 |
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129 | <variablelist>
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130 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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131 | <?dbfo list-presentation="list"?>
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132 | <?dbhtml list-presentation="table"?>
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133 |
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134 | <varlistentry id="bash">
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135 | <term><command>bash</command></term>
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136 | <listitem>
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137 | <para>A widely-used command interpreter; it performs many types of
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138 | expansions and substitutions on a given command line before executing
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139 | it, thus making this interpreter a powerful tool</para>
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140 | <indexterm zone="ch-system-bash bash">
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141 | <primary sortas="b-bash">bash</primary>
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142 | </indexterm>
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143 | </listitem>
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144 | </varlistentry>
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145 |
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146 | <varlistentry id="bashbug">
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147 | <term><command>bashbug</command></term>
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148 | <listitem>
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149 | <para>A shell script to help the user compose and mail standard
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150 | formatted bug reports concerning <command>bash</command></para>
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151 | <indexterm zone="ch-system-bash bashbug">
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152 | <primary sortas="b-bashbug">bashbug</primary>
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153 | </indexterm>
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154 | </listitem>
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155 | </varlistentry>
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156 |
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157 | <varlistentry id="sh">
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158 | <term><command>sh</command></term>
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159 | <listitem>
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160 | <para>A symlink to the <command>bash</command> program; when invoked
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161 | as <command>sh</command>, <command>bash</command> tries to mimic the
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162 | startup behavior of historical versions of <command>sh</command> as
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163 | closely as possible, while conforming to the POSIX standard as
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164 | well</para>
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165 | <indexterm zone="ch-system-bash sh">
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166 | <primary sortas="b-sh">sh</primary>
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167 | </indexterm>
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168 | </listitem>
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169 | </varlistentry>
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170 |
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171 | </variablelist>
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172 |
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173 | </sect2>
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174 |
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175 | </sect1>
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