BASH   98

install sh

Guest on 19th August 2022 12:40:54 AM

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

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