1 | #!/bin/sh |
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2 | # |
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3 | # install - install a program, script, or datafile |
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4 | # |
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5 | # This originates from X11R5 (mit/util/scripts/install.sh), which was |
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6 | # later released in X11R6 (xc/config/util/install.sh) with the |
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7 | # following copyright and license. |
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8 | # |
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9 | # Copyright (C) 1994 X Consortium |
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10 | # |
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11 | # Permission is hereby granted, free of charge, to any person obtaining a copy |
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12 | # of this software and associated documentation files (the "Software"), to |
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13 | # deal in the Software without restriction, including without limitation the |
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14 | # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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15 | # sell copies of the Software, and to permit persons to whom the Software is |
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16 | # furnished to do so, subject to the following conditions: |
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17 | # |
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18 | # The above copyright notice and this permission notice shall be included in |
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19 | # all copies or substantial portions of the Software. |
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20 | # |
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21 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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22 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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23 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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24 | # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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25 | # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- |
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26 | # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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27 | # |
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28 | # Except as contained in this notice, the name of the X Consortium shall not |
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29 | # be used in advertising or otherwise to promote the sale, use or other deal- |
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30 | # ings in this Software without prior written authorization from the X Consor- |
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31 | # tium. |
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32 | # |
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33 | # |
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34 | # FSF changes to this file are in the public domain. |
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35 | # |
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36 | # Calling this script install-sh is preferred over install.sh, to prevent |
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37 | # `make' implicit rules from creating a file called install from it |
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38 | # when there is no Makefile. |
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39 | # |
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40 | # This script is compatible with the BSD install script, but was written |
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41 | # from scratch. It can only install one file at a time, a restriction |
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42 | # shared with many OS's install programs. |
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43 | |
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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="${DOITPROG-}" |
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49 | |
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50 | |
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51 | # put in absolute paths if you don't have them in your path; or use env. vars. |
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52 | |
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53 | mvprog="${MVPROG-mv}" |
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54 | cpprog="${CPPROG-cp}" |
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55 | chmodprog="${CHMODPROG-chmod}" |
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56 | chownprog="${CHOWNPROG-chown}" |
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57 | chgrpprog="${CHGRPPROG-chgrp}" |
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58 | stripprog="${STRIPPROG-strip}" |
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59 | rmprog="${RMPROG-rm}" |
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60 | mkdirprog="${MKDIRPROG-mkdir}" |
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61 | |
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62 | transformbasename="" |
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63 | transform_arg="" |
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64 | instcmd="$mvprog" |
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65 | chmodcmd="$chmodprog 0755" |
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66 | chowncmd="" |
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67 | chgrpcmd="" |
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68 | stripcmd="" |
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69 | rmcmd="$rmprog -f" |
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70 | mvcmd="$mvprog" |
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71 | src="" |
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72 | dst="" |
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73 | dir_arg="" |
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74 | |
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75 | while [ x"$1" != x ]; do |
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76 | case $1 in |
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77 | -c) instcmd=$cpprog |
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78 | shift |
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79 | continue;; |
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80 | |
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81 | -d) dir_arg=true |
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82 | shift |
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83 | continue;; |
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84 | |
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85 | -m) chmodcmd="$chmodprog $2" |
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86 | shift |
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87 | shift |
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88 | continue;; |
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89 | |
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90 | -o) chowncmd="$chownprog $2" |
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91 | shift |
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92 | shift |
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93 | continue;; |
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94 | |
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95 | -g) chgrpcmd="$chgrpprog $2" |
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96 | shift |
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97 | shift |
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98 | continue;; |
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99 | |
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100 | -s) stripcmd=$stripprog |
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101 | shift |
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102 | continue;; |
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103 | |
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104 | -t=*) transformarg=`echo $1 | sed 's/-t=//'` |
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105 | shift |
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106 | continue;; |
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107 | |
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108 | -b=*) transformbasename=`echo $1 | sed 's/-b=//'` |
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109 | shift |
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110 | continue;; |
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111 | |
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112 | *) if [ x"$src" = x ] |
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113 | then |
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114 | src=$1 |
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115 | else |
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116 | # this colon is to work around a 386BSD /bin/sh bug |
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117 | : |
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118 | dst=$1 |
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119 | fi |
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120 | shift |
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121 | continue;; |
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122 | esac |
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123 | done |
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124 | |
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125 | if [ x"$src" = x ] |
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126 | then |
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127 | echo "$0: no input file specified" >&2 |
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128 | exit 1 |
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129 | else |
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130 | : |
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131 | fi |
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132 | |
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133 | if [ x"$dir_arg" != x ]; then |
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134 | dst=$src |
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135 | src="" |
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136 | |
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137 | if [ -d "$dst" ]; then |
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138 | instcmd=: |
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139 | chmodcmd="" |
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140 | else |
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141 | instcmd=$mkdirprog |
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142 | fi |
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143 | else |
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144 | |
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145 | # Waiting for this to be detected by the "$instcmd $src $dsttmp" command |
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146 | # might cause directories to be created, which would be especially bad |
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147 | # if $src (and thus $dsttmp) contains '*'. |
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148 | |
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149 | if [ -f "$src" ] || [ -d "$src" ] |
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150 | then |
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151 | : |
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152 | else |
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153 | echo "$0: $src does not exist" >&2 |
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154 | exit 1 |
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155 | fi |
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156 | |
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157 | if [ x"$dst" = x ] |
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158 | then |
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159 | echo "$0: no destination specified" >&2 |
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160 | exit 1 |
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161 | else |
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162 | : |
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163 | fi |
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164 | |
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165 | # If destination is a directory, append the input filename; if your system |
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166 | # does not like double slashes in filenames, you may need to add some logic |
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167 | |
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168 | if [ -d "$dst" ] |
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169 | then |
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170 | dst=$dst/`basename "$src"` |
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171 | else |
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172 | : |
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173 | fi |
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174 | fi |
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175 | |
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176 | ## this sed command emulates the dirname command |
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177 | dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` |
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178 | |
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179 | # Make sure that the destination directory exists. |
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180 | # this part is taken from Noah Friedman's mkinstalldirs script |
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181 | |
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182 | # Skip lots of stat calls in the usual case. |
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183 | if [ ! -d "$dstdir" ]; then |
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184 | defaultIFS=' |
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185 | ' |
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186 | IFS="${IFS-$defaultIFS}" |
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187 | |
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188 | oIFS=$IFS |
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189 | # Some sh's can't handle IFS=/ for some reason. |
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190 | IFS='%' |
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191 | set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` |
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192 | IFS=$oIFS |
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193 | |
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194 | pathcomp='' |
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195 | |
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196 | while [ $# -ne 0 ] ; do |
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197 | pathcomp=$pathcomp$1 |
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198 | shift |
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199 | |
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200 | if [ ! -d "$pathcomp" ] ; |
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201 | then |
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202 | $mkdirprog "$pathcomp" |
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203 | else |
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204 | : |
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205 | fi |
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206 | |
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207 | pathcomp=$pathcomp/ |
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208 | done |
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209 | fi |
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210 | |
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211 | if [ x"$dir_arg" != x ] |
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212 | then |
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213 | $doit $instcmd "$dst" && |
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214 | |
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215 | if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi && |
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216 | if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi && |
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217 | if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi && |
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218 | if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi |
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219 | else |
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220 | |
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221 | # If we're going to rename the final executable, determine the name now. |
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222 | |
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223 | if [ x"$transformarg" = x ] |
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224 | then |
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225 | dstfile=`basename "$dst"` |
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226 | else |
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227 | dstfile=`basename "$dst" $transformbasename | |
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228 | sed $transformarg`$transformbasename |
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229 | fi |
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230 | |
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231 | # don't allow the sed command to completely eliminate the filename |
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232 | |
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233 | if [ x"$dstfile" = x ] |
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234 | then |
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235 | dstfile=`basename "$dst"` |
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236 | else |
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237 | : |
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238 | fi |
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239 | |
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240 | # Make a couple of temp file names in the proper directory. |
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241 | |
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242 | dsttmp=$dstdir/_inst.$$_ |
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243 | rmtmp=$dstdir/_rm.$$_ |
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244 | |
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245 | # Trap to clean up temp files at exit. |
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246 | |
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247 | trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 |
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248 | trap '(exit $?); exit' 1 2 13 15 |
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249 | |
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250 | # Move or copy the file name to the temp name |
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251 | |
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252 | $doit $instcmd "$src" "$dsttmp" && |
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253 | |
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254 | # and set any options; do chmod last to preserve setuid bits |
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255 | |
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256 | # If any of these fail, we abort the whole thing. If we want to |
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257 | # ignore errors from any of these, just make sure not to ignore |
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258 | # errors from the above "$doit $instcmd $src $dsttmp" command. |
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259 | |
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260 | if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi && |
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261 | if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi && |
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262 | if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi && |
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263 | if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi && |
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264 | |
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265 | # Now remove or move aside any old file at destination location. We try this |
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266 | # two ways since rm can't unlink itself on some systems and the destination |
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267 | # file might be busy for other reasons. In this case, the final cleanup |
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268 | # might fail but the new file should still install successfully. |
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269 | |
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270 | { |
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271 | if [ -f "$dstdir/$dstfile" ] |
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272 | then |
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273 | $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null || |
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274 | $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null || |
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275 | { |
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276 | echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 |
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277 | (exit 1); exit |
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278 | } |
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279 | else |
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280 | : |
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281 | fi |
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282 | } && |
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283 | |
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284 | # Now rename the file to the real destination. |
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285 | |
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286 | $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" |
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287 | |
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288 | fi && |
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289 | |
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290 | # The final little trick to "correctly" pass the exit status to the exit trap. |
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291 | |
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292 | { |
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293 | (exit 0); exit |
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294 | } |
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