#!/bin/sh
# install - install a program, script, or datafile

scriptversion=2009-04-28.21;
# UTC

# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# `make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.

nl='
   '
   IFS=" ""	$nl"

# set DOITPROG to echo to test this script

# Don't use :
       - since 4.3BSD and earlier shells don't like it.
       doit=${DOITPROG-}
       if test -z "$doit"; then
       doit_exec=exec
       else
       doit_exec=$doit
       fi

# Put in absolute file names if you don't have them in your path;
# or use environment vars.

       chgrpprog=$ {CHGRPPROG-chgrp}
       chmodprog=$ {CHMODPROG-chmod}
       chownprog=$ {CHOWNPROG-chown}
       cmpprog=$ {CMPPROG-cmp}
       cpprog=$ {CPPROG-cp}
       mkdirprog=$ {MKDIRPROG-mkdir}
       mvprog=$ {MVPROG-mv}
       rmprog=$ {RMPROG-rm}
       stripprog=$ {STRIPPROG-strip}

       posix_glob='?'
       initialize_posix_glob='
       test "$posix_glob" != "?" || {
               if (set -f) 2>/dev/null; then
               posix_glob=
                       else
                               posix_glob=:
                                          fi
               }
               '

               posix_mkdir=

# Desired mode of installed file.
               mode=0755

               chgrpcmd=
               chmodcmd=$chmodprog
               chowncmd=
               mvcmd=$mvprog
               rmcmd="$rmprog -f"
               stripcmd=

               src=
               dst=
               dir_arg=
               dst_arg=

               copy_on_change=false
               no_target_directory=

               usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
               or: $0 [OPTION]... SRCFILES... DIRECTORY
               or: $0 [OPTION]... -t DIRECTORY SRCFILES...
               or: $0 [OPTION]... -d DIRECTORIES...

               In the 1st form, copy SRCFILE to DSTFILE.
               In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
               In the 4th, create DIRECTORIES.

               Options:
               --help     display this help and exit.
               --version  display version info and exit.

               -c            (ignored)
               -C            install only if different (preserve the last data modification time)
               -d            create directories instead of installing files.
               -g GROUP      $chgrpprog installed files to GROUP.
               -m MODE       $chmodprog installed files to MODE.
               -o USER       $chownprog installed files to USER.
               -s            $stripprog installed files.
               -t DIRECTORY  install into DIRECTORY.
               -T            report an error if DSTFILE is a directory.

               Environment variables override the default commands:
               CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
               RMPROG STRIPPROG
               "

               while test $# -ne 0; do
               case $1 in
               -c) ;;

               -C) copy_on_change=true;;

               -d) dir_arg=true;;

               -g) chgrpcmd="$chgrpprog $2"
               shift;;

               --help) echo "$usage"; exit $?;;

               -m) mode=$2
               case $mode in
               *' '* | *'	'* | *'
               '*	  | *'*'* | *'?'* | *'['*)
                                              echo "$0: invalid mode: $mode" >&2
                                              exit 1;;
                                              esac
                                              shift;;

                                              -o) chowncmd="$chownprog $2"
                                              shift;;

                                              -s) stripcmd=$stripprog;;

                                              -t) dst_arg=$2
                                              shift;;

                                              -T) no_target_directory=true;;

                                              --version) echo "$0 $scriptversion"; exit $?;;

                                              --)	shift
                                              break;;

                                              -*)	echo "$0: invalid option: $1" >&2
                                              exit 1;;

                                              *)  break;;
                                              esac
                                              shift
                                              done

                                              if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
# When -d is used, all remaining arguments are directories to create.
# When -t is used, the destination is already specified.
# Otherwise, the last argument is the destination.  Remove it from $@.
                                              for arg
                                              do
                                              if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
                                              set fnord "$@" "$dst_arg"
                                              shift # fnord
                                              fi
                                              shift # arg
                                              dst_arg=$arg
                                              done
                                              fi

                                              if test $# -eq 0; then
                                              if test -z "$dir_arg"; then
                                              echo "$0: no input file specified." >&2
                                              exit 1
                                              fi
# It's OK to call `install-sh -d' without argument.
# This can happen when creating conditional directories.
                                              exit 0
                                              fi

                                              if test -z "$dir_arg"; then
                                              trap '(exit $?); exit' 1 2 13 15

# Set umask so as not to create temps with too-generous modes.
# However, 'strip' requires both read and write access to temps.
                                              case $mode in
# Optimize common cases.
                                              *644) cp_umask=133;;
                                              *755) cp_umask=22;;

                                              *[0-7])
                                              if test -z "$stripcmd"; then
                                              u_plus_rw=
                                              else
                                              u_plus_rw='% 200'
                                              fi
                                              cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
                                              *)
                                              if test -z "$stripcmd"; then
                                              u_plus_rw=
                                              else
                                              u_plus_rw=,u+rw
                                              fi
                                              cp_umask=$mode$u_plus_rw;;
                                              esac
                                              fi

                                              for src
                                              do
# Protect names starting with `-'.
                                              case $src in
                                              -*) src=./$src;;
                                              esac

                                              if test -n "$dir_arg"; then
                                              dst=$src
                                              dstdir=$dst
                                              test -d "$dstdir"
                                              dstdir_status=$?
                                              else

# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
                                              if test ! -f "$src" && test ! -d "$src"; then
                                              echo "$0: $src does not exist." >&2
                                              exit 1
                                              fi

                                              if test -z "$dst_arg"; then
                                              echo "$0: no destination specified." >&2
                                              exit 1
                                              fi

                                              dst=$dst_arg
# Protect names starting with `-'.
                                              case $dst in
                                              -*) dst=./$dst;;
                                              esac

# If destination is a directory, append the input filename; won't work
# if double slashes aren't ignored.
                                              if test -d "$dst"; then
                                              if test -n "$no_target_directory"; then
                                              echo "$0: $dst_arg: Is a directory" >&2
                                              exit 1
                                              fi
                                              dstdir=$dst
                                              dst=$dstdir/`basename "$src"`
                                              dstdir_status=0
                                              else
# Prefer dirname, but fall back on a substitute if dirname fails.
                                              dstdir=`
                                              (dirname "$dst") 2>/dev/null ||
                                              expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
                                              X"$dst" : 'X\(//\)[^/]' \| \
                                      X"$dst" : 'X\(//\)$' \| \
                                      X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
                                              echo X"$dst" |
                                              sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
                                              s//\1/
                                              q
                                      }
                                              /^X\(\/\/\)[^/].*/{
                                              s//\1/
                                              q
                                      }
                                              /^X\(\/\/\)$/{
                                              s//\1/
                                              q
                                      }
                                              /^X\(\/\).*/{
                                              s//\1/
                                              q
                                      }
                                              s/.*/./; q'
                                              `

                                              test -d "$dstdir"
                                              dstdir_status=$?
                                                              fi
                                                              fi

                                                              obsolete_mkdir_used=false

                                                                              if test $dstdir_status != 0; then
                                              case $posix_mkdir in
                                                              '')
# Create intermediate dirs using mode 755 as modified by the umask.
# This is like FreeBSD 'install' as of 1997-10-28.
                                       umask=`umask`
                                     case $stripcmd.$umask in
# Optimize common cases.
                                                     *[2367][2367]) mkdir_umask=$umask;;
                                                                                .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;

                                                                                                *[0-7])
                                                                                                mkdir_umask=`expr $umask + 22 \
                                                                                                                - $umask % 100 % 40 + $umask % 20 \
                                                                                                                - $umask % 10 % 4 + $umask % 2
                                                                                                                `;;
                                                                                                                *) mkdir_umask=$umask,go-w;;
                                                                                                                                esac

# With -d, create the new directory with the user-specified mode.
# Otherwise, rely on $mkdir_umask.
                                                                                                                                if test -n "$dir_arg"; then
                                                                                                                                mkdir_mode=-m$mode
                                                                                                                                                else
                                                                                                                                                        mkdir_mode=
                                                                                                                                                                        fi

                                                                                                                                                                        posix_mkdir=false
                                                                                                                                                                                case $umask in
                                                                                                                                                                                                *[123567][0-7][0-7])
# POSIX mkdir -p sets u+wx bits regardless of umask, which
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
                                                                                                                                                                                                ;;
                                                                                                                                                                                                *)
                                                                                                                                                                                                tmpdir=$ {TMPDIR-/tmp}/ins$RANDOM-$$
                                                                                                                                                                                                                trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0

                                                                                                                                                                                                                if (umask $mkdir_umask &&
                                                                                                                                                                                                                                        exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
                                                                                                                                                                                                                        then
                                                                if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
# other-writeable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
                                                                        ls_ld_tmpdir=`ls -ld "$tmpdir"`
                                                                case $ls_ld_tmpdir in
                                                                                d????-?r-*) different_mode=700;;
                                                                                d????-?--*) different_mode=755;;
                                                                                *) false;;
                                                                                esac &&
                                                                                $mkdirprog -m$different_mode -p -- "$tmpdir" && {
                                                                                ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
                                                                                test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
                                                                        }
                                                                }
then posix_mkdir=:
fi
rmdir "$tmpdir/d" "$tmpdir"
                                                                else
# Remove any dirs left behind by ancient mkdir implementations.
                                                                        rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
                                                                        fi
                                                                        trap '' 0;;
                                                                        esac;;
                                                                        esac

                                                                        if
                                                                                $posix_mkdir && (
                                                                                        umask $mkdir_umask &&
                                                                                        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
                                                                                )
then :
                                                                                else

# The umask is ridiculous, or mkdir does not conform to POSIX,
# or it failed possibly due to a race condition.  Create the
# directory the slow way, step by step, checking for races as we go.

                                                                                case $dstdir in
                                                                                                /*) prefix='/';;
                                                                                                -*) prefix='./';;
                                                                                                *)  prefix='';;
                                                                                                esac

                                                                                                eval "$initialize_posix_glob"

                                                                                                oIFS=$IFS
                                                                                                IFS=/
                                                                                                $posix_glob set -f
                                                                                                set fnord $dstdir
                                                                                                shift
                                                                                                $posix_glob set +f
                                                                                                IFS=$oIFS

                                                                                                prefixes=

                                                                                                for d
                                                                                                do
                                                                                                test -z "$d" && continue

                                                                                                prefix=$prefix$d
                                                                                                if test -d "$prefix"; then
                                                                                                prefixes=
                                                                                                else
                                                                                                if $posix_mkdir; then
                                                                                                (umask=$mkdir_umask &&
                                                                                                $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
                                                                                                # Don't fail if two instances are running concurrently.
                                                                                                test -d "$prefix" || exit 1
                                                                                                else
                                                                                                case $prefix in
                                                                                                *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
                                                                                                *) qprefix=$prefix;;
                                                                                                esac
                                                                                                prefixes="$prefixes '$qprefix'"
                                                                                                fi
                                                                                                fi
                                                                                                prefix=$prefix/
                                                                                                done

                                                                                                if test -n "$prefixes"; then
                                                                                                # Don't fail if two instances are running concurrently.
                                                                                                (umask $mkdir_umask &&
                                                                                                eval "\$doit_exec \$mkdirprog $prefixes") ||
                                                                                                test -d "$dstdir" || exit 1
                                                                                                obsolete_mkdir_used=true
                                                                                                fi
                                                                                                fi
                                                                                                fi

                                                                                                if test -n "$dir_arg"; then
                                                                                                { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
                                                                                                { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
                                                                                                {
                                                                                                test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
                                                                                                test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst";
                                                                                                } || exit 1
                                                                                                else

                                                                                                # Make a couple of temp file names in the proper directory.
                                                                                                dsttmp=$dstdir/_inst.$$_
                                                                                                rmtmp=$dstdir/_rm.$$_

                                                                                                # Trap to clean up those temp files at exit.
                                                                                                trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0

                                                                                                # Copy the file name to the temp name.
                                                                                                (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&

                                                                                                # and set any options; do chmod last to preserve setuid bits.
                                                                                                #
                                                                                                # If any of these fail, we abort the whole thing.  If we want to
                                                                                                # ignore errors from any of these, just make sure not to ignore
                                                                                                # errors from the above "$doit $cpprog $src $dsttmp" command.
                                                                                                #
                                                                                                { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
                                                                                                { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
                                                                                                { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
                                                                                                { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&

                                                                                                # If -C, don't bother to copy if it wouldn't change the file.
                                                                                                if $copy_on_change &&
                                                                                                old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
                                                                                                new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&

                                                                                                eval "$initialize_posix_glob" &&
                                                                                                $posix_glob set -f &&
                                                                                                set X $old && old=:$2:$4:$5:$6 &&
                                                                                                set X $new && new=:$2:$4:$5:$6 &&
                                                                                                $posix_glob set +f &&

                                                                                                test "$old" = "$new" &&
                                                                                                $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
                                                                                                then
                                                                                                rm -f "$dsttmp"
                                                                                                else
                                                                                                # Rename the file to the real destination.
                                                                                                $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||

                                                                                                # The rename failed, perhaps because mv can't rename something else
                                                                                                # to itself, or perhaps because mv is so ancient that it does not
                                                                                                # support -f.
                                                                                                {
                                                                                                # Now remove or move aside any old file at destination location.
                                                                                                # We try this two ways since rm can't unlink itself on some
                                                                                                # systems and the destination file might be busy for other
                                                                                                # reasons.  In this case, the final cleanup might fail but the new
                                                                                                # file should still install successfully.
                                                                                                {
                                                                                                test ! -f "$dst" ||
                                                                                                $doit $rmcmd -f "$dst" 2>/dev/null ||
                                                                                                {
                                                                                                $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
                                                                                                { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
                                                                                                } ||
                                                                                                {
                                                                                                echo "$0: cannot unlink or rename $dst" >&2
                                                                                                (exit 1); exit 1
                                                                                                }
                                                                                                } &&

                                                                                                # Now rename the file to the real destination.
                                                                                                $doit $mvcmd "$dsttmp" "$dst"
                                                                                                }
                                                                                                fi || exit 1

                                                                                                trap '' 0
                                                                                                fi
                                                                                                done

                                                                                                # Local variables:
                                                                                                # eval: (add-hook 'write-file-hooks 'time-stamp)
                                                                                                # time-stamp-start: "scriptversion="
                                                                                                # time-stamp-format: "%:y-%02m-%02d.%02H"
                                                                                                # time-stamp-time-zone: "UTC"
                                                                                                # time-stamp-end: "; # UTC"
                                                                                                # End:
