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51
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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=2009-04-28.21; # UTC
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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.
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43
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44 nl='
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45 '
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46 IFS=" "" $nl"
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47
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48 # set DOITPROG to echo to test this script
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49
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50 # Don't use :- since 4.3BSD and earlier shells don't like it.
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51 doit=${DOITPROG-}
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52 if test -z "$doit"; then
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53 doit_exec=exec
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54 else
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55 doit_exec=$doit
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56 fi
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57
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58 # Put in absolute file names if you don't have them in your path;
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59 # or use environment vars.
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60
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61 chgrpprog=${CHGRPPROG-chgrp}
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62 chmodprog=${CHMODPROG-chmod}
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63 chownprog=${CHOWNPROG-chown}
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64 cmpprog=${CMPPROG-cmp}
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65 cpprog=${CPPROG-cp}
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66 mkdirprog=${MKDIRPROG-mkdir}
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67 mvprog=${MVPROG-mv}
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68 rmprog=${RMPROG-rm}
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69 stripprog=${STRIPPROG-strip}
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70
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71 posix_glob='?'
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72 initialize_posix_glob='
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73 test "$posix_glob" != "?" || {
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74 if (set -f) 2>/dev/null; then
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75 posix_glob=
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76 else
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77 posix_glob=:
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78 fi
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79 }
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80 '
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81
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82 posix_mkdir=
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83
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84 # Desired mode of installed file.
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85 mode=0755
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86
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87 chgrpcmd=
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88 chmodcmd=$chmodprog
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89 chowncmd=
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90 mvcmd=$mvprog
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91 rmcmd="$rmprog -f"
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92 stripcmd=
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93
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94 src=
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95 dst=
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96 dir_arg=
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97 dst_arg=
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98
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99 copy_on_change=false
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100 no_target_directory=
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101
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102 usage="\
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103 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
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104 or: $0 [OPTION]... SRCFILES... DIRECTORY
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105 or: $0 [OPTION]... -t DIRECTORY SRCFILES...
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106 or: $0 [OPTION]... -d DIRECTORIES...
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107
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108 In the 1st form, copy SRCFILE to DSTFILE.
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109 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
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110 In the 4th, create DIRECTORIES.
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111
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112 Options:
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113 --help display this help and exit.
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114 --version display version info and exit.
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115
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116 -c (ignored)
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117 -C install only if different (preserve the last data modification time)
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118 -d create directories instead of installing files.
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119 -g GROUP $chgrpprog installed files to GROUP.
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120 -m MODE $chmodprog installed files to MODE.
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121 -o USER $chownprog installed files to USER.
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122 -s $stripprog installed files.
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123 -t DIRECTORY install into DIRECTORY.
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124 -T report an error if DSTFILE is a directory.
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125
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126 Environment variables override the default commands:
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127 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
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128 RMPROG STRIPPROG
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129 "
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130
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131 while test $# -ne 0; do
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132 case $1 in
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133 -c) ;;
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134
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135 -C) copy_on_change=true;;
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136
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137 -d) dir_arg=true;;
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138
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139 -g) chgrpcmd="$chgrpprog $2"
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140 shift;;
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141
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142 --help) echo "$usage"; exit $?;;
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143
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144 -m) mode=$2
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145 case $mode in
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146 *' '* | *' '* | *'
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147 '* | *'*'* | *'?'* | *'['*)
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148 echo "$0: invalid mode: $mode" >&2
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149 exit 1;;
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150 esac
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151 shift;;
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152
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153 -o) chowncmd="$chownprog $2"
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154 shift;;
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155
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156 -s) stripcmd=$stripprog;;
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157
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158 -t) dst_arg=$2
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159 shift;;
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160
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161 -T) no_target_directory=true;;
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162
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163 --version) echo "$0 $scriptversion"; exit $?;;
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164
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165 --) shift
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166 break;;
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167
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168 -*) echo "$0: invalid option: $1" >&2
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169 exit 1;;
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170
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171 *) break;;
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172 esac
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173 shift
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174 done
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175
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176 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
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177 # When -d is used, all remaining arguments are directories to create.
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178 # When -t is used, the destination is already specified.
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179 # Otherwise, the last argument is the destination. Remove it from $@.
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180 for arg
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181 do
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182 if test -n "$dst_arg"; then
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183 # $@ is not empty: it contains at least $arg.
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184 set fnord "$@" "$dst_arg"
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185 shift # fnord
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186 fi
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187 shift # arg
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188 dst_arg=$arg
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189 done
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190 fi
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191
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192 if test $# -eq 0; then
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193 if test -z "$dir_arg"; then
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194 echo "$0: no input file specified." >&2
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195 exit 1
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196 fi
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197 # It's OK to call `install-sh -d' without argument.
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198 # This can happen when creating conditional directories.
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199 exit 0
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200 fi
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201
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202 if test -z "$dir_arg"; then
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203 trap '(exit $?); exit' 1 2 13 15
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204
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205 # Set umask so as not to create temps with too-generous modes.
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206 # However, 'strip' requires both read and write access to temps.
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207 case $mode in
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208 # Optimize common cases.
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209 *644) cp_umask=133;;
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210 *755) cp_umask=22;;
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211
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212 *[0-7])
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213 if test -z "$stripcmd"; then
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214 u_plus_rw=
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215 else
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216 u_plus_rw='% 200'
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217 fi
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218 cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
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219 *)
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220 if test -z "$stripcmd"; then
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221 u_plus_rw=
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222 else
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223 u_plus_rw=,u+rw
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224 fi
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225 cp_umask=$mode$u_plus_rw;;
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226 esac
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227 fi
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228
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229 for src
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230 do
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231 # Protect names starting with `-'.
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232 case $src in
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233 -*) src=./$src;;
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234 esac
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235
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236 if test -n "$dir_arg"; then
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237 dst=$src
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238 dstdir=$dst
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239 test -d "$dstdir"
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240 dstdir_status=$?
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241 else
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242
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243 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
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244 # might cause directories to be created, which would be especially bad
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245 # if $src (and thus $dsttmp) contains '*'.
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246 if test ! -f "$src" && test ! -d "$src"; then
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247 echo "$0: $src does not exist." >&2
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248 exit 1
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249 fi
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250
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251 if test -z "$dst_arg"; then
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252 echo "$0: no destination specified." >&2
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253 exit 1
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254 fi
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255
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256 dst=$dst_arg
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257 # Protect names starting with `-'.
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258 case $dst in
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259 -*) dst=./$dst;;
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260 esac
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261
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262 # If destination is a directory, append the input filename; won't work
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263 # if double slashes aren't ignored.
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264 if test -d "$dst"; then
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265 if test -n "$no_target_directory"; then
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266 echo "$0: $dst_arg: Is a directory" >&2
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267 exit 1
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268 fi
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269 dstdir=$dst
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270 dst=$dstdir/`basename "$src"`
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271 dstdir_status=0
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272 else
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273 # Prefer dirname, but fall back on a substitute if dirname fails.
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274 dstdir=`
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275 (dirname "$dst") 2>/dev/null ||
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276 expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
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277 X"$dst" : 'X\(//\)[^/]' \| \
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278 X"$dst" : 'X\(//\)$' \| \
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279 X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
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280 echo X"$dst" |
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281 sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
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282 s//\1/
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283 q
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284 }
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285 /^X\(\/\/\)[^/].*/{
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286 s//\1/
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287 q
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288 }
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289 /^X\(\/\/\)$/{
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290 s//\1/
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291 q
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292 }
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293 /^X\(\/\).*/{
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294 s//\1/
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295 q
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296 }
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297 s/.*/./; q'
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298 `
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299
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300 test -d "$dstdir"
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301 dstdir_status=$?
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302 fi
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303 fi
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304
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305 obsolete_mkdir_used=false
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306
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307 if test $dstdir_status != 0; then
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308 case $posix_mkdir in
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309 '')
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310 # Create intermediate dirs using mode 755 as modified by the umask.
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311 # This is like FreeBSD 'install' as of 1997-10-28.
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312 umask=`umask`
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313 case $stripcmd.$umask in
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314 # Optimize common cases.
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315 *[2367][2367]) mkdir_umask=$umask;;
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316 .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
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317
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318 *[0-7])
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319 mkdir_umask=`expr $umask + 22 \
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320 - $umask % 100 % 40 + $umask % 20 \
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321 - $umask % 10 % 4 + $umask % 2
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322 `;;
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323 *) mkdir_umask=$umask,go-w;;
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324 esac
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325
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326 # With -d, create the new directory with the user-specified mode.
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327 # Otherwise, rely on $mkdir_umask.
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328 if test -n "$dir_arg"; then
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329 mkdir_mode=-m$mode
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330 else
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331 mkdir_mode=
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332 fi
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333
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334 posix_mkdir=false
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335 case $umask in
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336 *[123567][0-7][0-7])
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337 # POSIX mkdir -p sets u+wx bits regardless of umask, which
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338 # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
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339 ;;
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340 *)
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341 tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
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342 trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
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343
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344 if (umask $mkdir_umask &&
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345 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
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346 then
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347 if test -z "$dir_arg" || {
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348 # Check for POSIX incompatibilities with -m.
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349 # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
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350 # other-writeable bit of parent directory when it shouldn't.
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351 # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
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352 ls_ld_tmpdir=`ls -ld "$tmpdir"`
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353 case $ls_ld_tmpdir in
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354 d????-?r-*) different_mode=700;;
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355 d????-?--*) different_mode=755;;
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356 *) false;;
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357 esac &&
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358 $mkdirprog -m$different_mode -p -- "$tmpdir" && {
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359 ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
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360 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
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361 }
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362 }
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363 then posix_mkdir=:
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364 fi
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365 rmdir "$tmpdir/d" "$tmpdir"
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366 else
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367 # Remove any dirs left behind by ancient mkdir implementations.
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368 rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
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369 fi
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370 trap '' 0;;
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371 esac;;
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372 esac
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373
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374 if
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375 $posix_mkdir && (
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376 umask $mkdir_umask &&
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377 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
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378 )
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379 then :
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380 else
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381
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382 # The umask is ridiculous, or mkdir does not conform to POSIX,
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383 # or it failed possibly due to a race condition. Create the
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384 # directory the slow way, step by step, checking for races as we go.
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385
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386 case $dstdir in
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387 /*) prefix='/';;
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388 -*) prefix='./';;
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389 *) prefix='';;
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390 esac
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391
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392 eval "$initialize_posix_glob"
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393
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394 oIFS=$IFS
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395 IFS=/
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396 $posix_glob set -f
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397 set fnord $dstdir
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398 shift
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399 $posix_glob set +f
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400 IFS=$oIFS
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401
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402 prefixes=
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403
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404 for d
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405 do
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406 test -z "$d" && continue
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407
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408 prefix=$prefix$d
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409 if test -d "$prefix"; then
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410 prefixes=
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411 else
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412 if $posix_mkdir; then
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413 (umask=$mkdir_umask &&
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414 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
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415 # Don't fail if two instances are running concurrently.
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416 test -d "$prefix" || exit 1
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417 else
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418 case $prefix in
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419 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
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420 *) qprefix=$prefix;;
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421 esac
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422 prefixes="$prefixes '$qprefix'"
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423 fi
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424 fi
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425 prefix=$prefix/
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426 done
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427
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428 if test -n "$prefixes"; then
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429 # Don't fail if two instances are running concurrently.
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430 (umask $mkdir_umask &&
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431 eval "\$doit_exec \$mkdirprog $prefixes") ||
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432 test -d "$dstdir" || exit 1
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433 obsolete_mkdir_used=true
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434 fi
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435 fi
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436 fi
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437
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438 if test -n "$dir_arg"; then
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439 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
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440 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
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441 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
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442 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
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443 else
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444
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445 # Make a couple of temp file names in the proper directory.
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446 dsttmp=$dstdir/_inst.$$_
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447 rmtmp=$dstdir/_rm.$$_
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448
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449 # Trap to clean up those temp files at exit.
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450 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
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451
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452 # Copy the file name to the temp name.
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453 (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
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454
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455 # and set any options; do chmod last to preserve setuid bits.
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456 #
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457 # If any of these fail, we abort the whole thing. If we want to
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458 # ignore errors from any of these, just make sure not to ignore
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459 # errors from the above "$doit $cpprog $src $dsttmp" command.
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460 #
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461 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
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462 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
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463 { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
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464 { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
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465
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466 # If -C, don't bother to copy if it wouldn't change the file.
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467 if $copy_on_change &&
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468 old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
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469 new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
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470
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471 eval "$initialize_posix_glob" &&
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472 $posix_glob set -f &&
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473 set X $old && old=:$2:$4:$5:$6 &&
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474 set X $new && new=:$2:$4:$5:$6 &&
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475 $posix_glob set +f &&
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476
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477 test "$old" = "$new" &&
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478 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
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479 then
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480 rm -f "$dsttmp"
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481 else
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482 # Rename the file to the real destination.
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483 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
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484
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485 # The rename failed, perhaps because mv can't rename something else
|
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486 # to itself, or perhaps because mv is so ancient that it does not
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|
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487 # support -f.
|
|
|
488 {
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|
|
489 # Now remove or move aside any old file at destination location.
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|
|
490 # We try this two ways since rm can't unlink itself on some
|
|
|
491 # systems and the destination file might be busy for other
|
|
|
492 # reasons. In this case, the final cleanup might fail but the new
|
|
|
493 # file should still install successfully.
|
|
|
494 {
|
|
|
495 test ! -f "$dst" ||
|
|
|
496 $doit $rmcmd -f "$dst" 2>/dev/null ||
|
|
|
497 { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
|
|
|
498 { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
|
|
|
499 } ||
|
|
|
500 { echo "$0: cannot unlink or rename $dst" >&2
|
|
|
501 (exit 1); exit 1
|
|
|
502 }
|
|
|
503 } &&
|
|
|
504
|
|
|
505 # Now rename the file to the real destination.
|
|
|
506 $doit $mvcmd "$dsttmp" "$dst"
|
|
|
507 }
|
|
|
508 fi || exit 1
|
|
|
509
|
|
|
510 trap '' 0
|
|
|
511 fi
|
|
|
512 done
|
|
|
513
|
|
|
514 # Local variables:
|
|
|
515 # eval: (add-hook 'write-file-hooks 'time-stamp)
|
|
|
516 # time-stamp-start: "scriptversion="
|
|
|
517 # time-stamp-format: "%:y-%02m-%02d.%02H"
|
|
|
518 # time-stamp-time-zone: "UTC"
|
|
|
519 # time-stamp-end: "; # UTC"
|
|
|
520 # End:
|
