github.com/jlmucb/cloudproxy@v0.0.0-20170830161738-b5aa0b619bc4/src/third_party/google-glog/mkinstalldirs (about)

     1  #! /bin/sh
     2  # mkinstalldirs --- make directory hierarchy
     3  
     4  scriptversion=2006-05-11.19
     5  
     6  # Original author: Noah Friedman <friedman@prep.ai.mit.edu>
     7  # Created: 1993-05-16
     8  # Public domain.
     9  #
    10  # This file is maintained in Automake, please report
    11  # bugs to <bug-automake@gnu.org> or send patches to
    12  # <automake-patches@gnu.org>.
    13  
    14  nl='
    15  '
    16  IFS=" ""	$nl"
    17  errstatus=0
    18  dirmode=
    19  
    20  usage="\
    21  Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
    22  
    23  Create each directory DIR (with mode MODE, if specified), including all
    24  leading file name components.
    25  
    26  Report bugs to <bug-automake@gnu.org>."
    27  
    28  # process command line arguments
    29  while test $# -gt 0 ; do
    30    case $1 in
    31      -h | --help | --h*)         # -h for help
    32        echo "$usage"
    33        exit $?
    34        ;;
    35      -m)                         # -m PERM arg
    36        shift
    37        test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
    38        dirmode=$1
    39        shift
    40        ;;
    41      --version)
    42        echo "$0 $scriptversion"
    43        exit $?
    44        ;;
    45      --)                         # stop option processing
    46        shift
    47        break
    48        ;;
    49      -*)                         # unknown option
    50        echo "$usage" 1>&2
    51        exit 1
    52        ;;
    53      *)                          # first non-opt arg
    54        break
    55        ;;
    56    esac
    57  done
    58  
    59  for file
    60  do
    61    if test -d "$file"; then
    62      shift
    63    else
    64      break
    65    fi
    66  done
    67  
    68  case $# in
    69    0) exit 0 ;;
    70  esac
    71  
    72  # Solaris 8's mkdir -p isn't thread-safe.  If you mkdir -p a/b and
    73  # mkdir -p a/c at the same time, both will detect that a is missing,
    74  # one will create a, then the other will try to create a and die with
    75  # a "File exists" error.  This is a problem when calling mkinstalldirs
    76  # from a parallel make.  We use --version in the probe to restrict
    77  # ourselves to GNU mkdir, which is thread-safe.
    78  case $dirmode in
    79    '')
    80      if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
    81        echo "mkdir -p -- $*"
    82        exec mkdir -p -- "$@"
    83      else
    84        # On NextStep and OpenStep, the `mkdir' command does not
    85        # recognize any option.  It will interpret all options as
    86        # directories to create, and then abort because `.' already
    87        # exists.
    88        test -d ./-p && rmdir ./-p
    89        test -d ./--version && rmdir ./--version
    90      fi
    91      ;;
    92    *)
    93      if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
    94         test ! -d ./--version; then
    95        echo "mkdir -m $dirmode -p -- $*"
    96        exec mkdir -m "$dirmode" -p -- "$@"
    97      else
    98        # Clean up after NextStep and OpenStep mkdir.
    99        for d in ./-m ./-p ./--version "./$dirmode";
   100        do
   101          test -d $d && rmdir $d
   102        done
   103      fi
   104      ;;
   105  esac
   106  
   107  for file
   108  do
   109    case $file in
   110      /*) pathcomp=/ ;;
   111      *)  pathcomp= ;;
   112    esac
   113    oIFS=$IFS
   114    IFS=/
   115    set fnord $file
   116    shift
   117    IFS=$oIFS
   118  
   119    for d
   120    do
   121      test "x$d" = x && continue
   122  
   123      pathcomp=$pathcomp$d
   124      case $pathcomp in
   125        -*) pathcomp=./$pathcomp ;;
   126      esac
   127  
   128      if test ! -d "$pathcomp"; then
   129        echo "mkdir $pathcomp"
   130  
   131        mkdir "$pathcomp" || lasterr=$?
   132  
   133        if test ! -d "$pathcomp"; then
   134  	errstatus=$lasterr
   135        else
   136  	if test ! -z "$dirmode"; then
   137  	  echo "chmod $dirmode $pathcomp"
   138  	  lasterr=
   139  	  chmod "$dirmode" "$pathcomp" || lasterr=$?
   140  
   141  	  if test ! -z "$lasterr"; then
   142  	    errstatus=$lasterr
   143  	  fi
   144  	fi
   145        fi
   146      fi
   147  
   148      pathcomp=$pathcomp/
   149    done
   150  done
   151  
   152  exit $errstatus
   153  
   154  # Local Variables:
   155  # mode: shell-script
   156  # sh-indentation: 2
   157  # eval: (add-hook 'write-file-hooks 'time-stamp)
   158  # time-stamp-start: "scriptversion="
   159  # time-stamp-format: "%:y-%02m-%02d.%02H"
   160  # time-stamp-end: "$"
   161  # End: