annotate install-sh @ 14:c9a1fd8f633b

fix documentation typo
author carl
date Sat, 25 Aug 2007 11:31:03 -0700
parents 45c8592d5d13
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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1 #!/bin/sh
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2 # install - install a program, script, or datafile
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3
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4 scriptversion=2004-09-10.20
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5
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6 # This originates from X11R5 (mit/util/scripts/install.sh), which was
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7 # later released in X11R6 (xc/config/util/install.sh) with the
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8 # following copyright and license.
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9 #
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10 # Copyright (C) 1994 X Consortium
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11 #
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12 # Permission is hereby granted, free of charge, to any person obtaining a copy
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13 # of this software and associated documentation files (the "Software"), to
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14 # deal in the Software without restriction, including without limitation the
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15 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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16 # sell copies of the Software, and to permit persons to whom the Software is
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17 # furnished to do so, subject to the following conditions:
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18 #
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19 # The above copyright notice and this permission notice shall be included in
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20 # all copies or substantial portions of the Software.
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21 #
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22 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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23 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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24 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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25 # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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26 # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
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27 # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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28 #
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29 # Except as contained in this notice, the name of the X Consortium shall not
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30 # be used in advertising or otherwise to promote the sale, use or other deal-
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31 # ings in this Software without prior written authorization from the X Consor-
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32 # tium.
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33 #
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34 #
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35 # FSF changes to this file are in the public domain.
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36 #
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37 # Calling this script install-sh is preferred over install.sh, to prevent
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38 # `make' implicit rules from creating a file called install from it
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39 # when there is no Makefile.
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40 #
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41 # This script is compatible with the BSD install script, but was written
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42 # from scratch. It can only install one file at a time, a restriction
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43 # shared with many OS's install programs.
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44
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45 # set DOITPROG to echo to test this script
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46
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47 # Don't use :- since 4.3BSD and earlier shells don't like it.
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48 doit="${DOITPROG-}"
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49
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50 # put in absolute paths if you don't have them in your path; or use env. vars.
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51
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52 mvprog="${MVPROG-mv}"
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53 cpprog="${CPPROG-cp}"
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54 chmodprog="${CHMODPROG-chmod}"
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55 chownprog="${CHOWNPROG-chown}"
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56 chgrpprog="${CHGRPPROG-chgrp}"
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57 stripprog="${STRIPPROG-strip}"
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58 rmprog="${RMPROG-rm}"
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59 mkdirprog="${MKDIRPROG-mkdir}"
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60
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61 chmodcmd="$chmodprog 0755"
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62 chowncmd=
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63 chgrpcmd=
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64 stripcmd=
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65 rmcmd="$rmprog -f"
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66 mvcmd="$mvprog"
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67 src=
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68 dst=
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69 dir_arg=
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70 dstarg=
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71 no_target_directory=
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72
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73 usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
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74 or: $0 [OPTION]... SRCFILES... DIRECTORY
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75 or: $0 [OPTION]... -t DIRECTORY SRCFILES...
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76 or: $0 [OPTION]... -d DIRECTORIES...
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77
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78 In the 1st form, copy SRCFILE to DSTFILE.
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79 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
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80 In the 4th, create DIRECTORIES.
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81
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82 Options:
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83 -c (ignored)
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84 -d create directories instead of installing files.
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85 -g GROUP $chgrpprog installed files to GROUP.
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86 -m MODE $chmodprog installed files to MODE.
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87 -o USER $chownprog installed files to USER.
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88 -s $stripprog installed files.
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89 -t DIRECTORY install into DIRECTORY.
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90 -T report an error if DSTFILE is a directory.
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91 --help display this help and exit.
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92 --version display version info and exit.
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93
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94 Environment variables override the default commands:
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95 CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
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96 "
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97
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98 while test -n "$1"; do
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99 case $1 in
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100 -c) shift
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101 continue;;
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102
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103 -d) dir_arg=true
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104 shift
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105 continue;;
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106
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107 -g) chgrpcmd="$chgrpprog $2"
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108 shift
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109 shift
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110 continue;;
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111
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112 --help) echo "$usage"; exit 0;;
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113
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114 -m) chmodcmd="$chmodprog $2"
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115 shift
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116 shift
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117 continue;;
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118
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119 -o) chowncmd="$chownprog $2"
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120 shift
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121 shift
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122 continue;;
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123
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124 -s) stripcmd=$stripprog
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125 shift
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126 continue;;
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127
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128 -t) dstarg=$2
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129 shift
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130 shift
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131 continue;;
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132
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133 -T) no_target_directory=true
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134 shift
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135 continue;;
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136
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137 --version) echo "$0 $scriptversion"; exit 0;;
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138
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139 *) # When -d is used, all remaining arguments are directories to create.
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140 # When -t is used, the destination is already specified.
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141 test -n "$dir_arg$dstarg" && break
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142 # Otherwise, the last argument is the destination. Remove it from $@.
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143 for arg
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144 do
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145 if test -n "$dstarg"; then
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146 # $@ is not empty: it contains at least $arg.
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147 set fnord "$@" "$dstarg"
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148 shift # fnord
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149 fi
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150 shift # arg
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151 dstarg=$arg
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152 done
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153 break;;
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154 esac
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155 done
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156
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157 if test -z "$1"; then
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158 if test -z "$dir_arg"; then
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159 echo "$0: no input file specified." >&2
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160 exit 1
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161 fi
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162 # It's OK to call `install-sh -d' without argument.
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163 # This can happen when creating conditional directories.
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164 exit 0
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165 fi
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166
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167 for src
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168 do
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169 # Protect names starting with `-'.
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170 case $src in
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171 -*) src=./$src ;;
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172 esac
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173
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174 if test -n "$dir_arg"; then
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175 dst=$src
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176 src=
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177
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178 if test -d "$dst"; then
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179 mkdircmd=:
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180 chmodcmd=
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181 else
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182 mkdircmd=$mkdirprog
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183 fi
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184 else
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185 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
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186 # might cause directories to be created, which would be especially bad
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187 # if $src (and thus $dsttmp) contains '*'.
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188 if test ! -f "$src" && test ! -d "$src"; then
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189 echo "$0: $src does not exist." >&2
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190 exit 1
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191 fi
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192
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193 if test -z "$dstarg"; then
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194 echo "$0: no destination specified." >&2
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195 exit 1
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196 fi
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197
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198 dst=$dstarg
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199 # Protect names starting with `-'.
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200 case $dst in
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201 -*) dst=./$dst ;;
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202 esac
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203
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204 # If destination is a directory, append the input filename; won't work
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205 # if double slashes aren't ignored.
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206 if test -d "$dst"; then
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207 if test -n "$no_target_directory"; then
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208 echo "$0: $dstarg: Is a directory" >&2
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209 exit 1
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210 fi
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211 dst=$dst/`basename "$src"`
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212 fi
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213 fi
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214
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215 # This sed command emulates the dirname command.
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216 dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
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217
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218 # Make sure that the destination directory exists.
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219
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220 # Skip lots of stat calls in the usual case.
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221 if test ! -d "$dstdir"; then
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222 defaultIFS='
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223 '
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224 IFS="${IFS-$defaultIFS}"
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225
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226 oIFS=$IFS
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227 # Some sh's can't handle IFS=/ for some reason.
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228 IFS='%'
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229 set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
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230 IFS=$oIFS
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231
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232 pathcomp=
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233
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234 while test $# -ne 0 ; do
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235 pathcomp=$pathcomp$1
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236 shift
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237 if test ! -d "$pathcomp"; then
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238 $mkdirprog "$pathcomp"
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239 # mkdir can fail with a `File exist' error in case several
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240 # install-sh are creating the directory concurrently. This
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241 # is OK.
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242 test -d "$pathcomp" || exit
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243 fi
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244 pathcomp=$pathcomp/
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245 done
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246 fi
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247
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248 if test -n "$dir_arg"; then
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249 $doit $mkdircmd "$dst" \
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250 && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
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251 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
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252 && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
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253 && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
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254
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255 else
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256 dstfile=`basename "$dst"`
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257
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258 # Make a couple of temp file names in the proper directory.
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259 dsttmp=$dstdir/_inst.$$_
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260 rmtmp=$dstdir/_rm.$$_
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261
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262 # Trap to clean up those temp files at exit.
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263 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
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264 trap '(exit $?); exit' 1 2 13 15
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265
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266 # Copy the file name to the temp name.
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267 $doit $cpprog "$src" "$dsttmp" &&
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268
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269 # and set any options; do chmod last to preserve setuid bits.
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270 #
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271 # If any of these fail, we abort the whole thing. If we want to
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272 # ignore errors from any of these, just make sure not to ignore
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273 # errors from the above "$doit $cpprog $src $dsttmp" command.
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274 #
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275 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
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276 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
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277 && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
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278 && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
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279
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280 # Now rename the file to the real destination.
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281 { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
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282 || {
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283 # The rename failed, perhaps because mv can't rename something else
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284 # to itself, or perhaps because mv is so ancient that it does not
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285 # support -f.
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286
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287 # Now remove or move aside any old file at destination location.
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288 # We try this two ways since rm can't unlink itself on some
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289 # systems and the destination file might be busy for other
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290 # reasons. In this case, the final cleanup might fail but the new
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291 # file should still install successfully.
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292 {
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293 if test -f "$dstdir/$dstfile"; then
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294 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
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295 || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
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296 || {
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297 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
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298 (exit 1); exit
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299 }
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300 else
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301 :
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302 fi
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303 } &&
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304
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305 # Now rename the file to the real destination.
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306 $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
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307 }
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308 }
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309 fi || { (exit 1); exit; }
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310 done
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311
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312 # The final little trick to "correctly" pass the exit status to the exit trap.
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313 {
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314 (exit 0); exit
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315 }
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316
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317 # Local variables:
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318 # eval: (add-hook 'write-file-hooks 'time-stamp)
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319 # time-stamp-start: "scriptversion="
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320 # time-stamp-format: "%:y-%02m-%02d.%02H"
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321 # time-stamp-end: "$"
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322 # End: