584138-mx_update_context-segfault.patch: fix a segfault due to holes in IMAP headers...

[software/mutt-debian.git] / install-sh

diff --git a/install-sh b/install-sh
index 4d4a9519eaf88b18fb157dfe5fae59c1c5d005c7..4fbbae7b7ff932e5af542dbe9612f193a68ed4d1 100755 (executable)
--- a/install-sh
+++ b/install-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
 #!/bin/sh
 # install - install a program, script, or datafile
 

-scriptversion=2005-05-14.22
+scriptversion=2006-10-14.15

 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the


@@ -39,15 +39,24 @@ scriptversion=2005-05-14.22
 # when there is no Makefile.
 #
 # This script is compatible with the BSD install script, but was written
 # when there is no Makefile.
 #
 # This script is compatible with the BSD install script, but was written

-# from scratch.  It can only install one file at a time, a restriction
-# shared with many OS's install programs.
+# 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-}"
 
 # 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 paths if you don't have them in your path; or use env. vars.
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.

 
 mvprog="${MVPROG-mv}"
 cpprog="${CPPROG-cp}"
 
 mvprog="${MVPROG-mv}"
 cpprog="${CPPROG-cp}"


@@ -58,7 +67,13 @@ stripprog="${STRIPPROG-strip}"
 rmprog="${RMPROG-rm}"
 mkdirprog="${MKDIRPROG-mkdir}"
 
 rmprog="${RMPROG-rm}"
 mkdirprog="${MKDIRPROG-mkdir}"
 

-chmodcmd="$chmodprog 0755"
+posix_glob=
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
+
+chmodcmd=$chmodprog

 chowncmd=
 chgrpcmd=
 stripcmd=
 chowncmd=
 chgrpcmd=
 stripcmd=


@@ -95,7 +110,7 @@ Environment variables override the default commands:
   CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
 "
 
   CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
 "
 

-while test -n "$1"; do
+while test $# -ne 0; do

   case $1 in
     -c) shift
         continue;;
   case $1 in
     -c) shift
         continue;;


@@ -111,9 +126,15 @@ while test -n "$1"; do
 
     --help) echo "$usage"; exit $?;;
 
 
     --help) echo "$usage"; exit $?;;
 

-    -m) chmodcmd="$chmodprog $2"
+    -m) mode=$2

         shift
         shift
         shift
         shift

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

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


@@ -136,25 +157,33 @@ while test -n "$1"; do
 
     --version) echo "$0 $scriptversion"; exit $?;;
 
 
     --version) echo "$0 $scriptversion"; exit $?;;
 

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

        break;;
        break;;

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

   esac
 done
 
   esac
 done
 

-if test -z "$1"; then
+if test $# -ne 0 && test -z "$dir_arg$dstarg"; 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 $@.
+  for arg
+  do
+    if test -n "$dstarg"; then
+      # $@ is not empty: it contains at least $arg.
+      set fnord "$@" "$dstarg"
+      shift # fnord
+    fi
+    shift # arg
+    dstarg=$arg
+  done
+fi
+
+if test $# -eq 0; then

   if test -z "$dir_arg"; then
     echo "$0: no input file specified." >&2
     exit 1
   if test -z "$dir_arg"; then
     echo "$0: no input file specified." >&2
     exit 1


@@ -164,6 +193,33 @@ if test -z "$1"; then
   exit 0
 fi
 
   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 `-'.
 for src
 do
   # Protect names starting with `-'.


@@ -173,15 +229,11 @@ do
 
   if test -n "$dir_arg"; then
     dst=$src
 
   if test -n "$dir_arg"; then
     dst=$src

-    src=
-
-    if test -d "$dst"; then
-      mkdircmd=:
-      chmodcmd=
-    else
-      mkdircmd=$mkdirprog
-    fi
+    dstdir=$dst
+    test -d "$dstdir"
+    dstdir_status=$?

   else
   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 $dsttmp) contains '*'.
     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
     # might cause directories to be created, which would be especially bad
     # if $src (and thus $dsttmp) contains '*'.


@@ -208,53 +260,188 @@ do
        echo "$0: $dstarg: Is a directory" >&2
        exit 1
       fi
        echo "$0: $dstarg: Is a directory" >&2
        exit 1
       fi

-      dst=$dst/`basename "$src"`
+      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
 
     fi
   fi
 

-  # This sed command emulates the dirname command.
-  dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
-
-  # Make sure that the destination directory exists.
-
-  # Skip lots of stat calls in the usual case.
-  if test ! -d "$dstdir"; then
-    defaultIFS='
-        '
-    IFS="${IFS-$defaultIFS}"
-
-    oIFS=$IFS
-    # Some sh's can't handle IFS=/ for some reason.
-    IFS='%'
-    set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
-    shift
-    IFS=$oIFS
+  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

 
 

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

 
 

-    while test $# -ne 0 ; do
-      pathcomp=$pathcomp$1
+      # 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
+
+      case $posix_glob in
+        '')
+         if (set -f) 2>/dev/null; then
+           posix_glob=true
+         else
+           posix_glob=false
+         fi ;;
+      esac
+
+      oIFS=$IFS
+      IFS=/
+      $posix_glob && set -f
+      set fnord $dstdir

       shift
       shift

-      if test ! -d "$pathcomp"; then
-        $mkdirprog "$pathcomp"
-       # mkdir can fail with a `File exist' error in case several
-       # install-sh are creating the directory concurrently.  This
-       # is OK.
-       test -d "$pathcomp" || exit
+      $posix_glob && set +f
+      IFS=$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

-      pathcomp=$pathcomp/
-    done
+    fi

   fi
 
   if test -n "$dir_arg"; then
   fi
 
   if test -n "$dir_arg"; then

-    $doit $mkdircmd "$dst" \
-      && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
-      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
-      && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
-      && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
-
+    { 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
   else

-    dstfile=`basename "$dst"`

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


@@ -262,10 +449,9 @@ do
 
     # Trap to clean up those temp files at exit.
     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
 
     # Trap to clean up those temp files at exit.
     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0

-    trap '(exit $?); exit' 1 2 13 15

 
     # Copy the file name to the temp name.
 
     # Copy the file name to the temp name.

-    $doit $cpprog "$src" "$dsttmp" &&
+    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&

 
     # and set any options; do chmod last to preserve setuid bits.
     #
 
     # and set any options; do chmod last to preserve setuid bits.
     #


@@ -276,10 +462,10 @@ do
     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
       && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
       && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \

-      && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
+      && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&

 
     # Now rename the file to the real destination.
 
     # Now rename the file to the real destination.

-    { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
+    { $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
       || {
           # The rename failed, perhaps because mv can't rename something else
           # to itself, or perhaps because mv is so ancient that it does not


@@ -291,11 +477,12 @@ do
           # reasons.  In this case, the final cleanup might fail but the new
           # file should still install successfully.
           {
           # reasons.  In this case, the final cleanup might fail but the new
           # file should still install successfully.
           {

-            if test -f "$dstdir/$dstfile"; then
-              $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
-              || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
+            if test -f "$dst"; then
+              $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 $dstdir/$dstfile" >&2
+                echo "$0: cannot unlink or rename $dst" >&2

                 (exit 1); exit 1
               }
             else
                 (exit 1); exit 1
               }
             else


@@ -304,16 +491,13 @@ do
           } &&
 
           # Now rename the file to the real destination.
           } &&
 
           # Now rename the file to the real destination.

-          $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
+          $doit $mvcmd "$dsttmp" "$dst"

         }
         }

-    }
-  fi || { (exit 1); exit 1; }
-done
+    } || exit 1

 
 

-# The final little trick to "correctly" pass the exit status to the exit trap.
-{
-  (exit 0); exit 0
-}
+    trap '' 0
+  fi
+done

 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)