[ViewVC] Annotation of: cvs/lsys/install-sh

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

scriptversion=2014-09-12.12; # 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.

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

# Set DOITPROG to "echo" to test this script.

doit=${DOITPROG-}
doit_exec=${doit:-exec}

# 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_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
is_target_a_directory=possibly

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 $mode in
          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
            echo "$0: invalid mode: $mode" >&2
            exit 1;;
        esac
        shift;;

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

    -s) stripcmd=$stripprog;;

    -t)
        is_target_a_directory=always
        dst_arg=$2
        # Protect names problematic for 'test' and other utilities.
        case $dst_arg in
          -* | [=\(\)!]) dst_arg=./$dst_arg;;
        esac
        shift;;

    -T) is_target_a_directory=never;;

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

    --) shift
        break;;

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

    *)  break;;
  esac
  shift
done

# We allow the use of options -d and -T together, by making -d
# take the precedence; this is for compatibility with GNU install.

if test -n "$dir_arg"; then
  if test -n "$dst_arg"; then
    echo "$0: target directory not allowed when installing a directory." >&2
    exit 1
  fi
fi

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
    # Protect names problematic for 'test' and other utilities.
    case $dst_arg in
      -* | [=\(\)!]) dst_arg=./$dst_arg;;
    esac
  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
  if test $# -gt 1 || test "$is_target_a_directory" = always; then
    if test ! -d "$dst_arg"; then
      echo "$0: $dst_arg: Is not a directory." >&2
      exit 1
    fi
  fi
fi

if test -z "$dir_arg"; then
  do_exit='(exit $ret); exit $ret'
  trap "ret=129; $do_exit" 1
  trap "ret=130; $do_exit" 2
  trap "ret=141; $do_exit" 13
  trap "ret=143; $do_exit" 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 problematic for 'test' and other utilities.
  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

    # If destination is a directory, append the input filename; won't work
    # if double slashes aren't ignored.
    if test -d "$dst"; then
      if test "$is_target_a_directory" = never; then
        echo "$0: $dst_arg: Is a directory" >&2
        exit 1
      fi
      dstdir=$dst
      dst=$dstdir/`basename "$src"`
      dstdir_status=0
    else
      dstdir=`dirname "$dst"`
      test -d "$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.
            ;;
          *)
            # $RANDOM is not portable (e.g. dash);  use it when possible to
            # lower collision chance
            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
            trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0

            # As "mkdir -p" follows symlinks and we work in /tmp possibly;  so
            # create the $tmpdir first (and fail if unsuccessful) to make sure
            # that nobody tries to guess the $tmpdir name.
            if (umask $mkdir_umask &&
                $mkdirprog $mkdir_mode "$tmpdir" &&
                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
            then
              if test -z "$dir_arg" || {
                   # Check for POSIX incompatibilities with -m.
                   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
                   # other-writable bit of parent directory when it shouldn't.
                   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
                   test_tmpdir="$tmpdir/a"
                   ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
                   case $ls_ld_tmpdir in
                     d????-?r-*) different_mode=700;;
                     d????-?--*) different_mode=755;;
                     *) false;;
                   esac &&
                   $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
                     ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
                     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
                   }
                 }
              then posix_mkdir=:
              fi
              rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
            else
              # Remove any dirs left behind by ancient mkdir implementations.
              rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 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

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

      prefixes=

      for d
      do
        test X"$d" = X && 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` &&
       set -f &&
       set X $old && old=:$2:$4:$5:$6 &&
       set X $new && new=:$2:$4:$5:$6 &&
       set +f &&
       test "$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:
Revision:	1.3
Committed:	Wed Nov 7 12:50:17 2018 UTC (5 years, 6 months ago) by root
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.2:	+190 -201 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#!/bin/sh
2			# install - install a program, script, or datafile
3	root	1.2
4	root	1.3	scriptversion=2014-09-12.12; # UTC
5	root	1.2
6	root	1.1	# 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	root	1.3	# 'make' implicit rules from creating a file called install from it
39	root	1.1	# when there is no Makefile.
40			#
41			# This script is compatible with the BSD install script, but was written
42	root	1.2	# from scratch.
43	root	1.1
44	root	1.3	tab=' '
45	root	1.2	nl='
46			'
47	root	1.3	IFS=" $tab$nl"
48	root	1.1
49	root	1.3	# Set DOITPROG to "echo" to test this script.
50	root	1.1
51	root	1.2	doit=${DOITPROG-}
52	root	1.3	doit_exec=${doit:-exec}
53	root	1.1
54	root	1.2	# Put in absolute file names if you don't have them in your path;
55			# or use environment vars.
56	root	1.1
57	root	1.2	chgrpprog=${CHGRPPROG-chgrp}
58			chmodprog=${CHMODPROG-chmod}
59			chownprog=${CHOWNPROG-chown}
60			cmpprog=${CMPPROG-cmp}
61			cpprog=${CPPROG-cp}
62			mkdirprog=${MKDIRPROG-mkdir}
63			mvprog=${MVPROG-mv}
64			rmprog=${RMPROG-rm}
65			stripprog=${STRIPPROG-strip}
66
67			posix_mkdir=
68
69			# Desired mode of installed file.
70			mode=0755
71
72			chgrpcmd=
73			chmodcmd=$chmodprog
74			chowncmd=
75			mvcmd=$mvprog
76	root	1.1	rmcmd="$rmprog -f"
77	root	1.2	stripcmd=
78
79			src=
80			dst=
81			dir_arg=
82			dst_arg=
83
84			copy_on_change=false
85	root	1.3	is_target_a_directory=possibly
86	root	1.1
87	root	1.2	usage="\
88			Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
89			or: $0 [OPTION]... SRCFILES... DIRECTORY
90			or: $0 [OPTION]... -t DIRECTORY SRCFILES...
91			or: $0 [OPTION]... -d DIRECTORIES...
92
93			In the 1st form, copy SRCFILE to DSTFILE.
94			In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
95			In the 4th, create DIRECTORIES.
96
97			Options:
98			--help display this help and exit.
99			--version display version info and exit.
100	root	1.1
101	root	1.2	-c (ignored)
102			-C install only if different (preserve the last data modification time)
103			-d create directories instead of installing files.
104			-g GROUP $chgrpprog installed files to GROUP.
105			-m MODE $chmodprog installed files to MODE.
106			-o USER $chownprog installed files to USER.
107			-s $stripprog installed files.
108			-t DIRECTORY install into DIRECTORY.
109			-T report an error if DSTFILE is a directory.
110	root	1.1
111	root	1.2	Environment variables override the default commands:
112			CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
113			RMPROG STRIPPROG
114			"
115	root	1.1
116	root	1.2	while test $# -ne 0; do
117			case $1 in
118			-c) ;;
119	root	1.1
120	root	1.2	-C) copy_on_change=true;;
121	root	1.1
122	root	1.2	-d) dir_arg=true;;
123	root	1.1
124	root	1.2	-g) chgrpcmd="$chgrpprog $2"
125	root	1.3	shift;;
126	root	1.1
127	root	1.2	--help) echo "$usage"; exit $?;;
128	root	1.1
129	root	1.2	-m) mode=$2
130	root	1.3	case $mode in
131			' ' \| "$tab" \| "$nl" \| ''* \| '?' \| '[')
132			echo "$0: invalid mode: $mode" >&2
133			exit 1;;
134			esac
135			shift;;
136	root	1.1
137	root	1.2	-o) chowncmd="$chownprog $2"
138	root	1.3	shift;;
139	root	1.1
140	root	1.2	-s) stripcmd=$stripprog;;
141	root	1.1
142	root	1.3	-t)
143			is_target_a_directory=always
144			dst_arg=$2
145			# Protect names problematic for 'test' and other utilities.
146			case $dst_arg in
147			-* \| [=\(\)!]) dst_arg=./$dst_arg;;
148			esac
149			shift;;
150	root	1.1
151	root	1.3	-T) is_target_a_directory=never;;
152	root	1.1
153	root	1.2	--version) echo "$0 $scriptversion"; exit $?;;
154	root	1.1
155	root	1.3	--) shift
156			break;;
157	root	1.1
158	root	1.3	-*) echo "$0: invalid option: $1" >&2
159			exit 1;;
160	root	1.1
161	root	1.2	*) break;;
162			esac
163			shift
164			done
165	root	1.1
166	root	1.3	# We allow the use of options -d and -T together, by making -d
167			# take the precedence; this is for compatibility with GNU install.
168
169			if test -n "$dir_arg"; then
170			if test -n "$dst_arg"; then
171			echo "$0: target directory not allowed when installing a directory." >&2
172			exit 1
173			fi
174			fi
175
176	root	1.2	if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
177			# When -d is used, all remaining arguments are directories to create.
178			# When -t is used, the destination is already specified.
179			# Otherwise, the last argument is the destination. Remove it from $@.
180			for arg
181			do
182			if test -n "$dst_arg"; then
183			# $@ is not empty: it contains at least $arg.
184			set fnord "$@" "$dst_arg"
185			shift # fnord
186			fi
187			shift # arg
188			dst_arg=$arg
189	root	1.3	# Protect names problematic for 'test' and other utilities.
190			case $dst_arg in
191			-* \| [=\(\)!]) dst_arg=./$dst_arg;;
192			esac
193	root	1.2	done
194			fi
195	root	1.1
196	root	1.2	if test $# -eq 0; then
197			if test -z "$dir_arg"; then
198			echo "$0: no input file specified." >&2
199			exit 1
200			fi
201	root	1.3	# It's OK to call 'install-sh -d' without argument.
202	root	1.2	# This can happen when creating conditional directories.
203			exit 0
204			fi
205	root	1.1
206	root	1.2	if test -z "$dir_arg"; then
207	root	1.3	if test $# -gt 1 \|\| test "$is_target_a_directory" = always; then
208			if test ! -d "$dst_arg"; then
209			echo "$0: $dst_arg: Is not a directory." >&2
210			exit 1
211			fi
212			fi
213			fi
214
215			if test -z "$dir_arg"; then
216			do_exit='(exit $ret); exit $ret'
217			trap "ret=129; $do_exit" 1
218			trap "ret=130; $do_exit" 2
219			trap "ret=141; $do_exit" 13
220			trap "ret=143; $do_exit" 15
221	root	1.1
222	root	1.2	# Set umask so as not to create temps with too-generous modes.
223			# However, 'strip' requires both read and write access to temps.
224			case $mode in
225			# Optimize common cases.
226			*644) cp_umask=133;;
227			*755) cp_umask=22;;
228
229			*[0-7])
230			if test -z "$stripcmd"; then
231	root	1.3	u_plus_rw=
232	root	1.2	else
233	root	1.3	u_plus_rw='% 200'
234	root	1.2	fi
235			cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
236			*)
237			if test -z "$stripcmd"; then
238	root	1.3	u_plus_rw=
239	root	1.2	else
240	root	1.3	u_plus_rw=,u+rw
241	root	1.2	fi
242			cp_umask=$mode$u_plus_rw;;
243			esac
244			fi
245	root	1.1
246	root	1.2	for src
247			do
248	root	1.3	# Protect names problematic for 'test' and other utilities.
249	root	1.2	case $src in
250	root	1.3	-* \| [=\(\)!]) src=./$src;;
251	root	1.2	esac
252
253			if test -n "$dir_arg"; then
254			dst=$src
255			dstdir=$dst
256			test -d "$dstdir"
257			dstdir_status=$?
258			else
259
260			# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
261			# might cause directories to be created, which would be especially bad
262			# if $src (and thus $dsttmp) contains '*'.
263			if test ! -f "$src" && test ! -d "$src"; then
264			echo "$0: $src does not exist." >&2
265			exit 1
266			fi
267
268			if test -z "$dst_arg"; then
269			echo "$0: no destination specified." >&2
270			exit 1
271			fi
272			dst=$dst_arg
273	root	1.1
274	root	1.2	# If destination is a directory, append the input filename; won't work
275			# if double slashes aren't ignored.
276			if test -d "$dst"; then
277	root	1.3	if test "$is_target_a_directory" = never; then
278			echo "$0: $dst_arg: Is a directory" >&2
279			exit 1
280	root	1.2	fi
281			dstdir=$dst
282			dst=$dstdir/`basename "$src"`
283			dstdir_status=0
284			else
285	root	1.3	dstdir=`dirname "$dst"`
286	root	1.2	test -d "$dstdir"
287			dstdir_status=$?
288			fi
289			fi
290
291			obsolete_mkdir_used=false
292
293			if test $dstdir_status != 0; then
294			case $posix_mkdir in
295			'')
296	root	1.3	# Create intermediate dirs using mode 755 as modified by the umask.
297			# This is like FreeBSD 'install' as of 1997-10-28.
298			umask=`umask`
299			case $stripcmd.$umask in
300			# Optimize common cases.
301			*[2367][2367]) mkdir_umask=$umask;;
302			.*0[02][02] \| .[02][02] \| .[02]) mkdir_umask=22;;
303
304			*[0-7])
305			mkdir_umask=`expr $umask + 22 \
306			- $umask % 100 % 40 + $umask % 20 \
307			- $umask % 10 % 4 + $umask % 2
308			`;;
309			*) mkdir_umask=$umask,go-w;;
310			esac
311
312			# With -d, create the new directory with the user-specified mode.
313			# Otherwise, rely on $mkdir_umask.
314			if test -n "$dir_arg"; then
315			mkdir_mode=-m$mode
316			else
317			mkdir_mode=
318			fi
319
320			posix_mkdir=false
321			case $umask in
322			*[123567][0-7][0-7])
323			# POSIX mkdir -p sets u+wx bits regardless of umask, which
324			# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
325			;;
326			*)
327			# $RANDOM is not portable (e.g. dash); use it when possible to
328			# lower collision chance
329			tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
330			trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
331
332			# As "mkdir -p" follows symlinks and we work in /tmp possibly; so
333			# create the $tmpdir first (and fail if unsuccessful) to make sure
334			# that nobody tries to guess the $tmpdir name.
335			if (umask $mkdir_umask &&
336			$mkdirprog $mkdir_mode "$tmpdir" &&
337			exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
338			then
339			if test -z "$dir_arg" \|\| {
340			# Check for POSIX incompatibilities with -m.
341			# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
342			# other-writable bit of parent directory when it shouldn't.
343			# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
344			test_tmpdir="$tmpdir/a"
345			ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
346			case $ls_ld_tmpdir in
347			d????-?r-*) different_mode=700;;
348			d????-?--*) different_mode=755;;
349			*) false;;
350			esac &&
351			$mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
352			ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
353			test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
354			}
355			}
356			then posix_mkdir=:
357			fi
358			rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
359			else
360			# Remove any dirs left behind by ancient mkdir implementations.
361			rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
362			fi
363			trap '' 0;;
364			esac;;
365	root	1.2	esac
366	root	1.1
367	root	1.2	if
368			$posix_mkdir && (
369	root	1.3	umask $mkdir_umask &&
370			$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
371	root	1.2	)
372			then :
373			else
374
375			# The umask is ridiculous, or mkdir does not conform to POSIX,
376			# or it failed possibly due to a race condition. Create the
377			# directory the slow way, step by step, checking for races as we go.
378
379			case $dstdir in
380	root	1.3	/*) prefix='/';;
381			[-=\(\)!]*) prefix='./';;
382			*) prefix='';;
383	root	1.2	esac
384
385			oIFS=$IFS
386			IFS=/
387	root	1.3	set -f
388	root	1.2	set fnord $dstdir
389			shift
390	root	1.3	set +f
391	root	1.2	IFS=$oIFS
392
393			prefixes=
394
395			for d
396			do
397	root	1.3	test X"$d" = X && continue
398	root	1.2
399	root	1.3	prefix=$prefix$d
400			if test -d "$prefix"; then
401			prefixes=
402			else
403			if $posix_mkdir; then
404			(umask=$mkdir_umask &&
405			$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
406			# Don't fail if two instances are running concurrently.
407			test -d "$prefix" \|\| exit 1
408			else
409			case $prefix in
410			\') qprefix=`echo "$prefix" \| sed "s/'/'\\\\\\\\''/g"`;;
411			*) qprefix=$prefix;;
412			esac
413			prefixes="$prefixes '$qprefix'"
414			fi
415			fi
416			prefix=$prefix/
417	root	1.2	done
418	root	1.1
419	root	1.2	if test -n "$prefixes"; then
420	root	1.3	# Don't fail if two instances are running concurrently.
421			(umask $mkdir_umask &&
422			eval "\$doit_exec \$mkdirprog $prefixes") \|\|
423			test -d "$dstdir" \|\| exit 1
424			obsolete_mkdir_used=true
425	root	1.2	fi
426			fi
427			fi
428
429			if test -n "$dir_arg"; then
430			{ test -z "$chowncmd" \|\| $doit $chowncmd "$dst"; } &&
431			{ test -z "$chgrpcmd" \|\| $doit $chgrpcmd "$dst"; } &&
432			{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false \|\|
433			test -z "$chmodcmd" \|\| $doit $chmodcmd $mode "$dst"; } \|\| exit 1
434			else
435
436			# Make a couple of temp file names in the proper directory.
437			dsttmp=$dstdir/_inst.$$_
438			rmtmp=$dstdir/_rm.$$_
439
440			# Trap to clean up those temp files at exit.
441			trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
442
443			# Copy the file name to the temp name.
444			(umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
445
446			# and set any options; do chmod last to preserve setuid bits.
447			#
448			# If any of these fail, we abort the whole thing. If we want to
449			# ignore errors from any of these, just make sure not to ignore
450			# errors from the above "$doit $cpprog $src $dsttmp" command.
451			#
452			{ test -z "$chowncmd" \|\| $doit $chowncmd "$dsttmp"; } &&
453			{ test -z "$chgrpcmd" \|\| $doit $chgrpcmd "$dsttmp"; } &&
454			{ test -z "$stripcmd" \|\| $doit $stripcmd "$dsttmp"; } &&
455			{ test -z "$chmodcmd" \|\| $doit $chmodcmd $mode "$dsttmp"; } &&
456
457			# If -C, don't bother to copy if it wouldn't change the file.
458			if $copy_on_change &&
459	root	1.3	old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
460			new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
461			set -f &&
462	root	1.2	set X $old && old=:$2:$4:$5:$6 &&
463			set X $new && new=:$2:$4:$5:$6 &&
464	root	1.3	set +f &&
465	root	1.2	test "$old" = "$new" &&
466			$cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
467			then
468			rm -f "$dsttmp"
469			else
470			# Rename the file to the real destination.
471			$doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \|\|
472
473			# The rename failed, perhaps because mv can't rename something else
474			# to itself, or perhaps because mv is so ancient that it does not
475			# support -f.
476			{
477	root	1.3	# Now remove or move aside any old file at destination location.
478			# We try this two ways since rm can't unlink itself on some
479			# systems and the destination file might be busy for other
480			# reasons. In this case, the final cleanup might fail but the new
481			# file should still install successfully.
482			{
483			test ! -f "$dst" \|\|
484			$doit $rmcmd -f "$dst" 2>/dev/null \|\|
485			{ $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
486			{ $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
487			} \|\|
488			{ echo "$0: cannot unlink or rename $dst" >&2
489			(exit 1); exit 1
490			}
491			} &&
492	root	1.2
493	root	1.3	# Now rename the file to the real destination.
494			$doit $mvcmd "$dsttmp" "$dst"
495	root	1.2	}
496			fi \|\| exit 1
497	root	1.1
498	root	1.2	trap '' 0
499			fi
500			done
501	root	1.1
502	root	1.2	# Local variables:
503			# eval: (add-hook 'write-file-hooks 'time-stamp)
504			# time-stamp-start: "scriptversion="
505			# time-stamp-format: "%:y-%02m-%02d.%02H"
506	root	1.3	# time-stamp-time-zone: "UTC"
507			# time-stamp-end: "; # UTC"
508	root	1.2	# End: