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#!/bin/sh
# Verify that mkdir's `-m MODE' option works properly
# with various umask settings.

if test "$VERBOSE" = yes; then
  set -x
  mkdir --version
fi

pwd=`pwd`
tmp=perm.$$
trap 'status=$?; cd $pwd; chmod -R u+rwx $tmp; rm -rf $tmp && exit $status' 0
trap '(exit $?); exit' 1 2 13 15

framework_failure=0
mkdir $tmp || framework_failure=1
cd $tmp || framework_failure=1

if test $framework_failure = 1; then
  echo 'failure in testing framework'
  (exit 1); exit
fi

fail=0

#                         parent        parent/dir
# umask   -m option   resulting perm  resulting perm
tests='
    000  :   empty    : drwxrwxrwx : drwxrwxrwx :
    000  :   -m 016   : drwxrwxrwx : d-----xrw- :
    077  :   empty    : drwx------ : drwx------ :
    050  :   empty    : drwx-w-rwx : drwx-w-rwx :
    050  :   -m 312   : drwx-w-rwx : d-wx--x-w- :
    160  :   empty    : drwx--xrwx : drw---xrwx :
    160  :   -m 743   : drwx--xrwx : drwxr---wx :
    -    :   -        : last       : last       :
    '
for p in empty -p; do
  test _$p = _empty && p=

  old_IFS=$IFS
  IFS=':'
  set - `(echo "$tests"|tr -d '\012'; echo)|sed 's/^ *//;s/ *:/:/g;s/: */:/g'`
  IFS=$old_IFS

  while :; do
    test "$VERBOSE" = yes && set -x
    umask=$1 mode=$2 parent_perms=$3 sub_perms=$4
    test "_$mode" = _empty && mode=
    test $sub_perms = last && break
    # echo p=$p umask=$1 mode=$2 parent_perms=$3 sub_perms=$4
    shift; shift; shift; shift
    umask $umask

    # If we're not using -p, then create the parent manually,
    # and adjust expectations accordingly.
    test x$p = x && \
      {
	mkdir -m =,u=rwx parent || fail=1
	parent_perms=drwx------
      }

    mkdir $p $mode parent/sub || fail=1

    perms=`ls -ld parent | sed 's/ .*//'`
    test "$parent_perms" = "$perms" \
      || { fail=1; echo parent: expected $parent_perms, got $perms; }

    perms=`ls -ld parent/sub | sed 's/ .*//'`
    test "$sub_perms" = "$perms" \
      || { fail=1; echo parent/sub: expected $sub_perms, got $perms; }

    chmod -R u+rwx parent
    rm -rf parent || fail=1
  done
done

(exit $fail); exit