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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 } |