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317
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1 #!/usr/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=2020-11-14.01; # 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 tab=' '
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45 nl='
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46 '
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47 IFS=" $tab$nl"
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48
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49 # Set DOITPROG to "echo" to test this script.
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50
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51 doit=${DOITPROG-}
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52 doit_exec=${doit:-exec}
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53
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54 # Put in absolute file names if you don't have them in your path;
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55 # or use environment vars.
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56
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57 chgrpprog=${CHGRPPROG-chgrp}
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58 chmodprog=${CHMODPROG-chmod}
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59 chownprog=${CHOWNPROG-chown}
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60 cmpprog=${CMPPROG-cmp}
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61 cpprog=${CPPROG-cp}
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62 mkdirprog=${MKDIRPROG-mkdir}
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63 mvprog=${MVPROG-mv}
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64 rmprog=${RMPROG-rm}
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65 stripprog=${STRIPPROG-strip}
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66
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67 posix_mkdir=
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68
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69 # Desired mode of installed file.
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70 mode=0755
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71
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72 # Create dirs (including intermediate dirs) using mode 755.
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73 # This is like GNU 'install' as of coreutils 8.32 (2020).
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74 mkdir_umask=22
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75
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76 backupsuffix=
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77 chgrpcmd=
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78 chmodcmd=$chmodprog
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79 chowncmd=
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80 mvcmd=$mvprog
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81 rmcmd="$rmprog -f"
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82 stripcmd=
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83
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84 src=
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85 dst=
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86 dir_arg=
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87 dst_arg=
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88
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89 copy_on_change=false
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90 is_target_a_directory=possibly
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91
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92 usage="\
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93 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
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94 or: $0 [OPTION]... SRCFILES... DIRECTORY
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95 or: $0 [OPTION]... -t DIRECTORY SRCFILES...
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96 or: $0 [OPTION]... -d DIRECTORIES...
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97
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98 In the 1st form, copy SRCFILE to DSTFILE.
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99 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
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100 In the 4th, create DIRECTORIES.
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101
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102 Options:
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103 --help display this help and exit.
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104 --version display version info and exit.
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105
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106 -c (ignored)
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107 -C install only if different (preserve data modification time)
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108 -d create directories instead of installing files.
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109 -g GROUP $chgrpprog installed files to GROUP.
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110 -m MODE $chmodprog installed files to MODE.
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111 -o USER $chownprog installed files to USER.
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112 -p pass -p to $cpprog.
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113 -s $stripprog installed files.
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114 -S SUFFIX attempt to back up existing files, with suffix SUFFIX.
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115 -t DIRECTORY install into DIRECTORY.
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116 -T report an error if DSTFILE is a directory.
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117
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118 Environment variables override the default commands:
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119 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
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120 RMPROG STRIPPROG
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121
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122 By default, rm is invoked with -f; when overridden with RMPROG,
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123 it's up to you to specify -f if you want it.
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124
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125 If -S is not specified, no backups are attempted.
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126
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127 Email bug reports to bug-automake@gnu.org.
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128 Automake home page: https://www.gnu.org/software/automake/
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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 $mode in
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146 *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
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147 echo "$0: invalid mode: $mode" >&2
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148 exit 1;;
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149 esac
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150 shift;;
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151
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152 -o) chowncmd="$chownprog $2"
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153 shift;;
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154
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155 -p) cpprog="$cpprog -p";;
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156
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157 -s) stripcmd=$stripprog;;
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158
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159 -S) backupsuffix="$2"
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160 shift;;
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161
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162 -t)
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163 is_target_a_directory=always
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164 dst_arg=$2
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165 # Protect names problematic for 'test' and other utilities.
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166 case $dst_arg in
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167 -* | [=\(\)!]) dst_arg=./$dst_arg;;
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168 esac
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169 shift;;
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170
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171 -T) is_target_a_directory=never;;
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172
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173 --version) echo "$0 $scriptversion"; exit $?;;
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174
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175 --) shift
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176 break;;
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177
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178 -*) echo "$0: invalid option: $1" >&2
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179 exit 1;;
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180
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181 *) break;;
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182 esac
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183 shift
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184 done
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185
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186 # We allow the use of options -d and -T together, by making -d
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187 # take the precedence; this is for compatibility with GNU install.
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188
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189 if test -n "$dir_arg"; then
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190 if test -n "$dst_arg"; then
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191 echo "$0: target directory not allowed when installing a directory." >&2
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192 exit 1
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193 fi
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194 fi
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195
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196 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
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197 # When -d is used, all remaining arguments are directories to create.
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198 # When -t is used, the destination is already specified.
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199 # Otherwise, the last argument is the destination. Remove it from $@.
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200 for arg
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201 do
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202 if test -n "$dst_arg"; then
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203 # $@ is not empty: it contains at least $arg.
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204 set fnord "$@" "$dst_arg"
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205 shift # fnord
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206 fi
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207 shift # arg
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208 dst_arg=$arg
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209 # Protect names problematic for 'test' and other utilities.
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210 case $dst_arg in
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211 -* | [=\(\)!]) dst_arg=./$dst_arg;;
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212 esac
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213 done
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214 fi
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215
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216 if test $# -eq 0; then
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217 if test -z "$dir_arg"; then
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218 echo "$0: no input file specified." >&2
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219 exit 1
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220 fi
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221 # It's OK to call 'install-sh -d' without argument.
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222 # This can happen when creating conditional directories.
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223 exit 0
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224 fi
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225
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226 if test -z "$dir_arg"; then
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227 if test $# -gt 1 || test "$is_target_a_directory" = always; then
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228 if test ! -d "$dst_arg"; then
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229 echo "$0: $dst_arg: Is not a directory." >&2
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230 exit 1
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231 fi
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232 fi
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233 fi
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234
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235 if test -z "$dir_arg"; then
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236 do_exit='(exit $ret); exit $ret'
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237 trap "ret=129; $do_exit" 1
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238 trap "ret=130; $do_exit" 2
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239 trap "ret=141; $do_exit" 13
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240 trap "ret=143; $do_exit" 15
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241
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242 # Set umask so as not to create temps with too-generous modes.
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243 # However, 'strip' requires both read and write access to temps.
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244 case $mode in
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245 # Optimize common cases.
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246 *644) cp_umask=133;;
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247 *755) cp_umask=22;;
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248
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249 *[0-7])
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250 if test -z "$stripcmd"; then
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251 u_plus_rw=
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252 else
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253 u_plus_rw='% 200'
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254 fi
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255 cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
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256 *)
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257 if test -z "$stripcmd"; then
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258 u_plus_rw=
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259 else
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260 u_plus_rw=,u+rw
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261 fi
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262 cp_umask=$mode$u_plus_rw;;
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263 esac
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264 fi
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265
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266 for src
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267 do
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268 # Protect names problematic for 'test' and other utilities.
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269 case $src in
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270 -* | [=\(\)!]) src=./$src;;
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271 esac
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272
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273 if test -n "$dir_arg"; then
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274 dst=$src
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275 dstdir=$dst
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276 test -d "$dstdir"
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277 dstdir_status=$?
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278 # Don't chown directories that already exist.
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279 if test $dstdir_status = 0; then
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280 chowncmd=""
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281 fi
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282 else
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283
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284 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
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285 # might cause directories to be created, which would be especially bad
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286 # if $src (and thus $dsttmp) contains '*'.
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287 if test ! -f "$src" && test ! -d "$src"; then
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288 echo "$0: $src does not exist." >&2
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289 exit 1
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290 fi
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291
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292 if test -z "$dst_arg"; then
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293 echo "$0: no destination specified." >&2
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294 exit 1
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295 fi
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296 dst=$dst_arg
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297
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298 # If destination is a directory, append the input filename.
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299 if test -d "$dst"; then
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300 if test "$is_target_a_directory" = never; then
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301 echo "$0: $dst_arg: Is a directory" >&2
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302 exit 1
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303 fi
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304 dstdir=$dst
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305 dstbase=`basename "$src"`
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306 case $dst in
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307 */) dst=$dst$dstbase;;
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308 *) dst=$dst/$dstbase;;
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309 esac
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310 dstdir_status=0
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311 else
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312 dstdir=`dirname "$dst"`
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313 test -d "$dstdir"
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314 dstdir_status=$?
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315 fi
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316 fi
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317
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318 case $dstdir in
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319 */) dstdirslash=$dstdir;;
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320 *) dstdirslash=$dstdir/;;
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321 esac
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322
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323 obsolete_mkdir_used=false
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324
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325 if test $dstdir_status != 0; then
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326 case $posix_mkdir in
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327 '')
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328 # With -d, create the new directory with the user-specified mode.
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329 # Otherwise, rely on $mkdir_umask.
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330 if test -n "$dir_arg"; then
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331 mkdir_mode=-m$mode
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332 else
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333 mkdir_mode=
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334 fi
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335
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336 posix_mkdir=false
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337 # The $RANDOM variable is not portable (e.g., dash). Use it
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338 # here however when possible just to lower collision chance.
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339 tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
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340
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341 trap '
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342 ret=$?
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343 rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null
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344 exit $ret
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345 ' 0
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346
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347 # Because "mkdir -p" follows existing symlinks and we likely work
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348 # directly in world-writeable /tmp, make sure that the '$tmpdir'
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349 # directory is successfully created first before we actually test
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350 # 'mkdir -p'.
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351 if (umask $mkdir_umask &&
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352 $mkdirprog $mkdir_mode "$tmpdir" &&
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353 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
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354 then
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355 if test -z "$dir_arg" || {
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356 # Check for POSIX incompatibilities with -m.
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357 # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
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358 # other-writable bit of parent directory when it shouldn't.
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359 # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
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360 test_tmpdir="$tmpdir/a"
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361 ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
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362 case $ls_ld_tmpdir in
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363 d????-?r-*) different_mode=700;;
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364 d????-?--*) different_mode=755;;
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365 *) false;;
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366 esac &&
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367 $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
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368 ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
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369 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
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370 }
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371 }
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372 then posix_mkdir=:
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373 fi
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374 rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
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375 else
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376 # Remove any dirs left behind by ancient mkdir implementations.
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377 rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
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378 fi
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379 trap '' 0;;
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380 esac
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381
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382 if
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383 $posix_mkdir && (
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384 umask $mkdir_umask &&
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385 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
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386 )
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387 then :
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388 else
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389
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390 # mkdir does not conform to POSIX,
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391 # or it failed possibly due to a race condition. Create the
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392 # directory the slow way, step by step, checking for races as we go.
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393
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394 case $dstdir in
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395 /*) prefix='/';;
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396 [-=\(\)!]*) prefix='./';;
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397 *) prefix='';;
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398 esac
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399
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400 oIFS=$IFS
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401 IFS=/
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402 set -f
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403 set fnord $dstdir
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404 shift
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405 set +f
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406 IFS=$oIFS
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407
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408 prefixes=
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409
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410 for d
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411 do
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412 test X"$d" = X && continue
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413
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414 prefix=$prefix$d
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415 if test -d "$prefix"; then
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416 prefixes=
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417 else
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418 if $posix_mkdir; then
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419 (umask $mkdir_umask &&
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420 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
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421 # Don't fail if two instances are running concurrently.
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422 test -d "$prefix" || exit 1
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423 else
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424 case $prefix in
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425 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
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426 *) qprefix=$prefix;;
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427 esac
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428 prefixes="$prefixes '$qprefix'"
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429 fi
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430 fi
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431 prefix=$prefix/
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432 done
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433
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434 if test -n "$prefixes"; then
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435 # Don't fail if two instances are running concurrently.
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436 (umask $mkdir_umask &&
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437 eval "\$doit_exec \$mkdirprog $prefixes") ||
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438 test -d "$dstdir" || exit 1
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439 obsolete_mkdir_used=true
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440 fi
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441 fi
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442 fi
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443
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444 if test -n "$dir_arg"; then
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445 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
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446 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
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447 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
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448 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
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449 else
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450
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451 # Make a couple of temp file names in the proper directory.
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452 dsttmp=${dstdirslash}_inst.$$_
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453 rmtmp=${dstdirslash}_rm.$$_
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454
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455 # Trap to clean up those temp files at exit.
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456 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
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457
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458 # Copy the file name to the temp name.
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459 (umask $cp_umask &&
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460 { test -z "$stripcmd" || {
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461 # Create $dsttmp read-write so that cp doesn't create it read-only,
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462 # which would cause strip to fail.
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463 if test -z "$doit"; then
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464 : >"$dsttmp" # No need to fork-exec 'touch'.
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465 else
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466 $doit touch "$dsttmp"
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467 fi
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468 }
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469 } &&
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470 $doit_exec $cpprog "$src" "$dsttmp") &&
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471
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472 # and set any options; do chmod last to preserve setuid bits.
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473 #
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474 # If any of these fail, we abort the whole thing. If we want to
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475 # ignore errors from any of these, just make sure not to ignore
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476 # errors from the above "$doit $cpprog $src $dsttmp" command.
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477 #
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478 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
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479 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
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480 { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
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481 { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
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482
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483 # If -C, don't bother to copy if it wouldn't change the file.
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484 if $copy_on_change &&
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485 old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
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486 new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
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487 set -f &&
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488 set X $old && old=:$2:$4:$5:$6 &&
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489 set X $new && new=:$2:$4:$5:$6 &&
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490 set +f &&
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491 test "$old" = "$new" &&
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492 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
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493 then
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494 rm -f "$dsttmp"
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495 else
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496 # If $backupsuffix is set, and the file being installed
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497 # already exists, attempt a backup. Don't worry if it fails,
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|
|
498 # e.g., if mv doesn't support -f.
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|
|
499 if test -n "$backupsuffix" && test -f "$dst"; then
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|
|
500 $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null
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|
|
501 fi
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|
502
|
|
|
503 # Rename the file to the real destination.
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|
|
504 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
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|
|
505
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|
|
506 # The rename failed, perhaps because mv can't rename something else
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|
|
507 # to itself, or perhaps because mv is so ancient that it does not
|
|
|
508 # support -f.
|
|
|
509 {
|
|
|
510 # Now remove or move aside any old file at destination location.
|
|
|
511 # We try this two ways since rm can't unlink itself on some
|
|
|
512 # systems and the destination file might be busy for other
|
|
|
513 # reasons. In this case, the final cleanup might fail but the new
|
|
|
514 # file should still install successfully.
|
|
|
515 {
|
|
|
516 test ! -f "$dst" ||
|
|
|
517 $doit $rmcmd "$dst" 2>/dev/null ||
|
|
|
518 { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
|
|
|
519 { $doit $rmcmd "$rmtmp" 2>/dev/null; :; }
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|
|
520 } ||
|
|
|
521 { echo "$0: cannot unlink or rename $dst" >&2
|
|
|
522 (exit 1); exit 1
|
|
|
523 }
|
|
|
524 } &&
|
|
|
525
|
|
|
526 # Now rename the file to the real destination.
|
|
|
527 $doit $mvcmd "$dsttmp" "$dst"
|
|
|
528 }
|
|
|
529 fi || exit 1
|
|
|
530
|
|
|
531 trap '' 0
|
|
|
532 fi
|
|
|
533 done
|
|
|
534
|
|
|
535 # Local variables:
|
|
|
536 # eval: (add-hook 'before-save-hook 'time-stamp)
|
|
|
537 # time-stamp-start: "scriptversion="
|
|
|
538 # time-stamp-format: "%:y-%02m-%02d.%02H"
|
|
|
539 # time-stamp-time-zone: "UTC0"
|
|
|
540 # time-stamp-end: "; # UTC"
|
|
|
541 # End:
|
