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annotate mcabber/install-sh @ 2225:dc3b3ac1ba76

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Free the buffdata structures when buffers are closed Free the buffdata strcutures when buffers are closed and there are no more users (these structures can be shared if the "symlink" shared history is used).
author Mikael Berthe <mikael@lilotux.net>
date Sat, 07 Nov 2015 12:21:12 +0100
parents cce89772ea94
children
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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=" "" $nl"
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47
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48 # set DOITPROG to echo to test this script
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50 # Don't use :- since 4.3BSD and earlier shells don't like it.
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51 doit=${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;;
25
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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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diff changeset
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
25
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330 else
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331 mkdir_mode=
25
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332 fi
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333
1825
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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
25
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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
25
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373
1825
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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"
cce89772ea94 Update autotools install script and documentation
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diff changeset
378 )
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379 then :
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380 else
25
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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.
25
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385
1825
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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"
25
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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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diff changeset
399 $posix_glob set +f
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400 IFS=$oIFS
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diff changeset
401
cce89772ea94 Update autotools install script and documentation
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diff changeset
402 prefixes=
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diff changeset
403
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
404 for d
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
405 do
cce89772ea94 Update autotools install script and documentation
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diff changeset
406 test -z "$d" && continue
25
bf3d6e241714 [/trunk] Changeset 41 by mikael
mikael
parents:
diff changeset
407
1825
cce89772ea94 Update autotools install script and documentation
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diff changeset
408 prefix=$prefix$d
cce89772ea94 Update autotools install script and documentation
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diff changeset
409 if test -d "$prefix"; then
cce89772ea94 Update autotools install script and documentation
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410 prefixes=
cce89772ea94 Update autotools install script and documentation
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411 else
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
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diff changeset
412 if $posix_mkdir; then
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
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413 (umask=$mkdir_umask &&
cce89772ea94 Update autotools install script and documentation
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414 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
cce89772ea94 Update autotools install script and documentation
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diff changeset
415 # Don't fail if two instances are running concurrently.
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diff changeset
416 test -d "$prefix" || exit 1
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diff changeset
417 else
cce89772ea94 Update autotools install script and documentation
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418 case $prefix in
cce89772ea94 Update autotools install script and documentation
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diff changeset
419 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
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diff changeset
420 *) qprefix=$prefix;;
cce89772ea94 Update autotools install script and documentation
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diff changeset
421 esac
cce89772ea94 Update autotools install script and documentation
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diff changeset
422 prefixes="$prefixes '$qprefix'"
cce89772ea94 Update autotools install script and documentation
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parents: 25
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423 fi
cce89772ea94 Update autotools install script and documentation
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parents: 25
diff changeset
424 fi
cce89772ea94 Update autotools install script and documentation
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diff changeset
425 prefix=$prefix/
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diff changeset
426 done
25
bf3d6e241714 [/trunk] Changeset 41 by mikael
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427
1825
cce89772ea94 Update autotools install script and documentation
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428 if test -n "$prefixes"; then
cce89772ea94 Update autotools install script and documentation
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diff changeset
429 # Don't fail if two instances are running concurrently.
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Mikael Berthe <mikael@lilotux.net>
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430 (umask $mkdir_umask &&
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diff changeset
431 eval "\$doit_exec \$mkdirprog $prefixes") ||
cce89772ea94 Update autotools install script and documentation
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diff changeset
432 test -d "$dstdir" || exit 1
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diff changeset
433 obsolete_mkdir_used=true
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
434 fi
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
435 fi
cce89772ea94 Update autotools install script and documentation
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parents: 25
diff changeset
436 fi
25
bf3d6e241714 [/trunk] Changeset 41 by mikael
mikael
parents:
diff changeset
437
1825
cce89772ea94 Update autotools install script and documentation
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438 if test -n "$dir_arg"; then
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
439 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
440 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
441 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
442 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
443 else
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
444
cce89772ea94 Update autotools install script and documentation
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diff changeset
445 # Make a couple of temp file names in the proper directory.
cce89772ea94 Update autotools install script and documentation
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diff changeset
446 dsttmp=$dstdir/_inst.$$_
cce89772ea94 Update autotools install script and documentation
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diff changeset
447 rmtmp=$dstdir/_rm.$$_
25
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448
1825
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diff changeset
449 # Trap to clean up those temp files at exit.
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diff changeset
450 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
cce89772ea94 Update autotools install script and documentation
Mikael Berthe <mikael@lilotux.net>
parents: 25
diff changeset
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" "$dst" 2>/dev/null ||
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484
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485 # The rename failed, perhaps because mv can't rename something else
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486 # to itself, or perhaps because mv is so ancient that it does not
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487 # support -f.
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488 {
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489 # Now remove or move aside any old file at destination location.
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490 # We try this two ways since rm can't unlink itself on some
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491 # systems and the destination file might be busy for other
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492 # reasons. In this case, the final cleanup might fail but the new
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493 # file should still install successfully.
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494 {
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495 test ! -f "$dst" ||
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496 $doit $rmcmd -f "$dst" 2>/dev/null ||
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497 { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
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498 { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
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499 } ||
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500 { echo "$0: cannot unlink or rename $dst" >&2
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501 (exit 1); exit 1
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502 }
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503 } &&
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504
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505 # Now rename the file to the real destination.
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506 $doit $mvcmd "$dsttmp" "$dst"
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507 }
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508 fi || exit 1
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509
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510 trap '' 0
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511 fi
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512 done
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513
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514 # Local variables:
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515 # eval: (add-hook 'write-file-hooks 'time-stamp)
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516 # time-stamp-start: "scriptversion="
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517 # time-stamp-format: "%:y-%02m-%02d.%02H"
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518 # time-stamp-time-zone: "UTC"
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519 # time-stamp-end: "; # UTC"
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520 # End: