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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 # This comes from X11R5 (mit/util/scripts/install.sh).
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5 #
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6 # Copyright 1991 by the Massachusetts Institute of Technology
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7 #
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8 # Permission to use, copy, modify, distribute, and sell this software and its
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9 # documentation for any purpose is hereby granted without fee, provided that
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10 # the above copyright notice appear in all copies and that both that
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11 # copyright notice and this permission notice appear in supporting
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12 # documentation, and that the name of M.I.T. not be used in advertising or
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13 # publicity pertaining to distribution of the software without specific,
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14 # written prior permission. M.I.T. makes no representations about the
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15 # suitability of this software for any purpose. It is provided "as is"
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16 # without express or implied warranty.
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17 #
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18 # Calling this script install-sh is preferred over install.sh, to prevent
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19 # `make' implicit rules from creating a file called install from it
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20 # when there is no Makefile.
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21 #
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22 # This script is compatible with the BSD install script, but was written
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23 # from scratch. It can only install one file at a time, a restriction
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24 # shared with many OS's install programs.
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25
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26
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27 # set DOITPROG to echo to test this script
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28
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29 # Don't use :- since 4.3BSD and earlier shells don't like it.
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30 doit="${DOITPROG-}"
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31
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32
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33 # put in absolute paths if you don't have them in your path; or use env. vars.
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34
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35 mvprog="${MVPROG-mv}"
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36 cpprog="${CPPROG-cp}"
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37 chmodprog="${CHMODPROG-chmod}"
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38 chownprog="${CHOWNPROG-chown}"
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39 chgrpprog="${CHGRPPROG-chgrp}"
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40 stripprog="${STRIPPROG-strip}"
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41 rmprog="${RMPROG-rm}"
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42 mkdirprog="${MKDIRPROG-mkdir}"
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43
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44 transformbasename=""
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45 transform_arg=""
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46 instcmd="$mvprog"
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47 chmodcmd="$chmodprog 0755"
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48 chowncmd=""
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49 chgrpcmd=""
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50 stripcmd=""
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51 rmcmd="$rmprog -f"
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52 mvcmd="$mvprog"
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53 src=""
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54 dst=""
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55 dir_arg=""
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56
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57 while [ x"$1" != x ]; do
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58 case $1 in
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59 -c) instcmd=$cpprog
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60 shift
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61 continue;;
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62
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63 -d) dir_arg=true
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64 shift
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65 continue;;
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66
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67 -m) chmodcmd="$chmodprog $2"
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68 shift
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69 shift
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70 continue;;
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71
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72 -o) chowncmd="$chownprog $2"
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73 shift
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74 shift
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75 continue;;
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76
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77 -g) chgrpcmd="$chgrpprog $2"
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78 shift
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79 shift
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80 continue;;
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81
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82 -s) stripcmd=$stripprog
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83 shift
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84 continue;;
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85
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86 -t=*) transformarg=`echo $1 | sed 's/-t=//'`
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87 shift
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88 continue;;
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89
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90 -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
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91 shift
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92 continue;;
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93
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94 *) if [ x"$src" = x ]
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95 then
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96 src=$1
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97 else
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98 # this colon is to work around a 386BSD /bin/sh bug
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99 :
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100 dst=$1
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101 fi
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102 shift
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103 continue;;
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104 esac
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105 done
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106
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107 if [ x"$src" = x ]
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108 then
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109 echo "$0: no input file specified" >&2
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110 exit 1
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111 else
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112 :
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113 fi
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114
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115 if [ x"$dir_arg" != x ]; then
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116 dst=$src
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117 src=""
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118
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119 if [ -d "$dst" ]; then
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120 instcmd=:
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121 chmodcmd=""
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122 else
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123 instcmd=$mkdirprog
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124 fi
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125 else
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126
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127 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
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128 # might cause directories to be created, which would be especially bad
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129 # if $src (and thus $dsttmp) contains '*'.
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130
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131 if [ -f "$src" ] || [ -d "$src" ]
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132 then
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133 :
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134 else
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135 echo "$0: $src does not exist" >&2
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136 exit 1
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137 fi
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138
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139 if [ x"$dst" = x ]
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140 then
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141 echo "$0: no destination specified" >&2
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142 exit 1
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143 else
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144 :
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145 fi
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146
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147 # If destination is a directory, append the input filename; if your system
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148 # does not like double slashes in filenames, you may need to add some logic
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149
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150 if [ -d "$dst" ]
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151 then
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152 dst=$dst/`basename "$src"`
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153 else
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154 :
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155 fi
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156 fi
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157
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158 ## this sed command emulates the dirname command
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159 dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
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160
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161 # Make sure that the destination directory exists.
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162 # this part is taken from Noah Friedman's mkinstalldirs script
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163
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164 # Skip lots of stat calls in the usual case.
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165 if [ ! -d "$dstdir" ]; then
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166 defaultIFS='
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167 '
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168 IFS="${IFS-$defaultIFS}"
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169
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170 oIFS=$IFS
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171 # Some sh's can't handle IFS=/ for some reason.
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172 IFS='%'
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173 set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
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174 IFS=$oIFS
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175
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176 pathcomp=''
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177
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178 while [ $# -ne 0 ] ; do
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179 pathcomp=$pathcomp$1
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180 shift
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181
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182 if [ ! -d "$pathcomp" ] ;
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183 then
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184 $mkdirprog "$pathcomp"
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185 else
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186 :
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187 fi
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188
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189 pathcomp=$pathcomp/
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190 done
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191 fi
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192
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193 if [ x"$dir_arg" != x ]
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194 then
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195 $doit $instcmd "$dst" &&
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196
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197 if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
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198 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
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199 if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
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200 if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
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201 else
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202
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203 # If we're going to rename the final executable, determine the name now.
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204
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205 if [ x"$transformarg" = x ]
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206 then
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207 dstfile=`basename "$dst"`
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208 else
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209 dstfile=`basename "$dst" $transformbasename |
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210 sed $transformarg`$transformbasename
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211 fi
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212
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213 # don't allow the sed command to completely eliminate the filename
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214
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215 if [ x"$dstfile" = x ]
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216 then
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217 dstfile=`basename "$dst"`
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218 else
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219 :
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220 fi
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221
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222 # Make a couple of temp file names in the proper directory.
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223
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224 dsttmp=$dstdir/#inst.$$#
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225 rmtmp=$dstdir/#rm.$$#
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226
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227 # Trap to clean up temp files at exit.
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228
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229 trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
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230 trap '(exit $?); exit' 1 2 13 15
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231
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232 # Move or copy the file name to the temp name
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233
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234 $doit $instcmd "$src" "$dsttmp" &&
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235
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236 # and set any options; do chmod last to preserve setuid bits
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237
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238 # If any of these fail, we abort the whole thing. If we want to
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239 # ignore errors from any of these, just make sure not to ignore
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240 # errors from the above "$doit $instcmd $src $dsttmp" command.
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241
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242 if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
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243 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
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244 if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
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245 if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
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246
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247 # Now remove or move aside any old file at destination location. We try this
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248 # two ways since rm can't unlink itself on some systems and the destination
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249 # file might be busy for other reasons. In this case, the final cleanup
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250 # might fail but the new file should still install successfully.
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251
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252 {
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253 if [ -f "$dstdir/$dstfile" ]
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254 then
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255 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
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256 $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
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257 {
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258 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
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259 (exit 1); exit
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260 }
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261 else
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262 :
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263 fi
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264 } &&
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265
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266 # Now rename the file to the real destination.
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267
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268 $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
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269
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270 fi &&
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271
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272 # The final little trick to "correctly" pass the exit status to the exit trap.
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273
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274 {
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275 (exit 0); exit
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276 }
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