TEXT 19
Install-sh Guest on 29th September 2020 03:21:34 PM
  1. #!/bin/sh
  2. # install - install a program, script, or datafile
  3.  
  4. scriptversion=2005-05-14.22
  5.  
  6. # This originates from X11R5 (mit/util/scripts/install.sh), which was
  7. # later released in X11R6 (xc/config/util/install.sh) with the
  8. # following copyright and license.
  9. #
  10. # Copyright (C) 1994 X Consortium
  11. #
  12. # Permission is hereby granted, free of charge, to any person obtaining a copy
  13. # of this software and associated documentation files (the "Software"), to
  14. # deal in the Software without restriction, including without limitation the
  15. # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  16. # sell copies of the Software, and to permit persons to whom the Software is
  17. # furnished to do so, subject to the following conditions:
  18. #
  19. # The above copyright notice and this permission notice shall be included in
  20. # all copies or substantial portions of the Software.
  21. #
  22. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  23. # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  24. # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  25. # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  26. # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
  27. # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28. #
  29. # Except as contained in this notice, the name of the X Consortium shall not
  30. # be used in advertising or otherwise to promote the sale, use or other deal-
  31. # ings in this Software without prior written authorization from the X Consor-
  32. # tium.
  33. #
  34. #
  35. # FSF changes to this file are in the public domain.
  36. #
  37. # Calling this script install-sh is preferred over install.sh, to prevent
  38. # `make' implicit rules from creating a file called install from it
  39. # when there is no Makefile.
  40. #
  41. # This script is compatible with the BSD install script, but was written
  42. # from scratch.  It can only install one file at a time, a restriction
  43. # shared with many OS's install programs.
  44.  
  45. # set DOITPROG to echo to test this script
  46.  
  47. # Don't use :- since 4.3BSD and earlier shells don't like it.
  48. doit="${DOITPROG-}"
  49.  
  50. # put in absolute paths if you don't have them in your path; or use env. vars.
  51.  
  52. mvprog="${MVPROG-mv}"
  53. cpprog="${CPPROG-cp}"
  54. chmodprog="${CHMODPROG-chmod}"
  55. chownprog="${CHOWNPROG-chown}"
  56. chgrpprog="${CHGRPPROG-chgrp}"
  57. stripprog="${STRIPPROG-strip}"
  58. rmprog="${RMPROG-rm}"
  59. mkdirprog="${MKDIRPROG-mkdir}"
  60.  
  61. chmodcmd="$chmodprog 0755"
  62. chowncmd=
  63. chgrpcmd=
  64. stripcmd=
  65. rmcmd="$rmprog -f"
  66. mvcmd="$mvprog"
  67. src=
  68. dst=
  69. dir_arg=
  70. dstarg=
  71. no_target_directory=
  72.  
  73. usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
  74.    or: $0 [OPTION]... SRCFILES... DIRECTORY
  75.    or: $0 [OPTION]... -t DIRECTORY SRCFILES...
  76.    or: $0 [OPTION]... -d DIRECTORIES...
  77.  
  78. In the 1st form, copy SRCFILE to DSTFILE.
  79. In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
  80. In the 4th, create DIRECTORIES.
  81.  
  82. Options:
  83. -c         (ignored)
  84. -d         create directories instead of installing files.
  85. -g GROUP   $chgrpprog installed files to GROUP.
  86. -m MODE    $chmodprog installed files to MODE.
  87. -o USER    $chownprog installed files to USER.
  88. -s         $stripprog installed files.
  89. -t DIRECTORY  install into DIRECTORY.
  90. -T         report an error if DSTFILE is a directory.
  91. --help     display this help and exit.
  92. --version  display version info and exit.
  93.  
  94. Environment variables override the default commands:
  95.   CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
  96. "
  97.  
  98. while test -n "$1"; do
  99.   case $1 in
  100.     -c) shift
  101.         continue;;
  102.  
  103.     -d) dir_arg=true
  104.         shift
  105.         continue;;
  106.  
  107.     -g) chgrpcmd="$chgrpprog $2"
  108.         shift
  109.         shift
  110.         continue;;
  111.  
  112.     --help) echo "$usage"; exit $?;;
  113.  
  114.     -m) chmodcmd="$chmodprog $2"
  115.         shift
  116.         shift
  117.         continue;;
  118.  
  119.     -o) chowncmd="$chownprog $2"
  120.         shift
  121.         shift
  122.         continue;;
  123.  
  124.     -s) stripcmd=$stripprog
  125.         shift
  126.         continue;;
  127.  
  128.     -t) dstarg=$2
  129.         shift
  130.         shift
  131.         continue;;
  132.  
  133.     -T) no_target_directory=true
  134.         shift
  135.         continue;;
  136.  
  137.     --version) echo "$0 $scriptversion"; exit $?;;
  138.  
  139.     *)  # When -d is used, all remaining arguments are directories to create.
  140.         # When -t is used, the destination is already specified.
  141.         test -n "$dir_arg$dstarg" && break
  142.         # Otherwise, the last argument is the destination.  Remove it from [email protected]
  143.         for arg
  144.         do
  145.           if test -n "$dstarg"; then
  146.             # [email protected] is not empty: it contains at least $arg.
  147.             set fnord "[email protected]" "$dstarg"
  148.             shift # fnord
  149.           fi
  150.           shift # arg
  151.           dstarg=$arg
  152.         done
  153.         break;;
  154.   esac
  155. done
  156.  
  157. if test -z "$1"; then
  158.   if test -z "$dir_arg"; then
  159.     echo "$0: no input file specified." >&2
  160.     exit 1
  161.   fi
  162.   # It's OK to call `install-sh -d' without argument.
  163.   # This can happen when creating conditional directories.
  164.   exit 0
  165. fi
  166.  
  167. for src
  168. do
  169.   # Protect names starting with `-'.
  170.   case $src in
  171.     -*) src=./$src ;;
  172.   esac
  173.  
  174.   if test -n "$dir_arg"; then
  175.     dst=$src
  176.     src=
  177.  
  178.     if test -d "$dst"; then
  179.       mkdircmd=:
  180.       chmodcmd=
  181.     else
  182.       mkdircmd=$mkdirprog
  183.     fi
  184.   else
  185.     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
  186.     # might cause directories to be created, which would be especially bad
  187.     # if $src (and thus $dsttmp) contains '*'.
  188.     if test ! -f "$src" && test ! -d "$src"; then
  189.       echo "$0: $src does not exist." >&2
  190.       exit 1
  191.     fi
  192.  
  193.     if test -z "$dstarg"; then
  194.       echo "$0: no destination specified." >&2
  195.       exit 1
  196.     fi
  197.  
  198.     dst=$dstarg
  199.     # Protect names starting with `-'.
  200.     case $dst in
  201.       -*) dst=./$dst ;;
  202.     esac
  203.  
  204.     # If destination is a directory, append the input filename; won't work
  205.     # if double slashes aren't ignored.
  206.     if test -d "$dst"; then
  207.       if test -n "$no_target_directory"; then
  208.         echo "$0: $dstarg: Is a directory" >&2
  209.         exit 1
  210.       fi
  211.       dst=$dst/`basename "$src"`
  212.     fi
  213.   fi
  214.  
  215.   # This sed command emulates the dirname command.
  216.   dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
  217.  
  218.   # Make sure that the destination directory exists.
  219.  
  220.   # Skip lots of stat calls in the usual case.
  221.   if test ! -d "$dstdir"; then
  222.     defaultIFS='
  223.          '
  224.     IFS="${IFS-$defaultIFS}"
  225.  
  226.     oIFS=$IFS
  227.     # Some sh's can't handle IFS=/ for some reason.
  228.     IFS='%'
  229.     set x `echo "$dstdir" | sed -e '[email protected]/@%@g' -e '[email protected]^%@/@'`
  230.     shift
  231.     IFS=$oIFS
  232.  
  233.     pathcomp=
  234.  
  235.     while test $# -ne 0 ; do
  236.       pathcomp=$pathcomp$1
  237.       shift
  238.       if test ! -d "$pathcomp"; then
  239.         $mkdirprog "$pathcomp"
  240.         # mkdir can fail with a `File exist' error in case several
  241.         # install-sh are creating the directory concurrently.  This
  242.         # is OK.
  243.         test -d "$pathcomp" || exit
  244.       fi
  245.       pathcomp=$pathcomp/
  246.     done
  247.   fi
  248.  
  249.   if test -n "$dir_arg"; then
  250.     $doit $mkdircmd "$dst" \
  251.       && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
  252.       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
  253.       && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
  254.       && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
  255.  
  256.   else
  257.     dstfile=`basename "$dst"`
  258.  
  259.     # Make a couple of temp file names in the proper directory.
  260.     dsttmp=$dstdir/_inst.$$_
  261.     rmtmp=$dstdir/_rm.$$_
  262.  
  263.     # Trap to clean up those temp files at exit.
  264.     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
  265.     trap '(exit $?); exit' 1 2 13 15
  266.  
  267.     # Copy the file name to the temp name.
  268.     $doit $cpprog "$src" "$dsttmp" &&
  269.  
  270.     # and set any options; do chmod last to preserve setuid bits.
  271.     #
  272.     # If any of these fail, we abort the whole thing.  If we want to
  273.     # ignore errors from any of these, just make sure not to ignore
  274.     # errors from the above "$doit $cpprog $src $dsttmp" command.
  275.     #
  276.     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
  277.       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
  278.       && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
  279.       && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
  280.  
  281.     # Now rename the file to the real destination.
  282.     { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
  283.       || {
  284.            # The rename failed, perhaps because mv can't rename something else
  285.            # to itself, or perhaps because mv is so ancient that it does not
  286.            # support -f.
  287.  
  288.            # Now remove or move aside any old file at destination location.
  289.            # We try this two ways since rm can't unlink itself on some
  290.            # systems and the destination file might be busy for other
  291.            # reasons.  In this case, the final cleanup might fail but the new
  292.            # file should still install successfully.
  293.            {
  294.              if test -f "$dstdir/$dstfile"; then
  295.                $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
  296.                || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
  297.                || {
  298.                  echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
  299.                  (exit 1); exit 1
  300.                }
  301.              else
  302.                :
  303.              fi
  304.            } &&
  305.  
  306.            # Now rename the file to the real destination.
  307.            $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
  308.          }
  309.     }
  310.   fi || { (exit 1); exit 1; }
  311. done
  312.  
  313. # The final little trick to "correctly" pass the exit status to the exit trap.
  314. {
  315.   (exit 0); exit 0
  316. }
  317.  
  318. # Local variables:
  319. # eval: (add-hook 'write-file-hooks 'time-stamp)
  320. # time-stamp-start: "scriptversion="
  321. # time-stamp-format: "%:y-%02m-%02d.%02H"
  322. # time-stamp-end: "$"
  323. # End:

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