tests/other-fs-tmpdir

   1 #! /bin/sh
   2
   3 # Use stat to find a writable directory on a file system different from that
   4 # of the current directory.  If one is found, create a temporary directory
   5 # inside it.
   6
   7 # Copyright (C) 1998, 1999, 2001, 2002, 2005, 2007-2009
   8 # Free Software Foundation, Inc.
   9
  10 # This program is free software: you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation, either version 3 of the License, or
  13 # (at your option) any later version.
  14
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 test "${CANDIDATE_TMP_DIRS+set}" = set \
  24   || CANDIDATE_TMP_DIRS="$TMPDIR /tmp /dev/shm /var/tmp /usr/tmp $HOME"
  25
  26 other_partition_tmpdir=
  27
  28 dot_mount_point=`stat -c %d .`
  29 for d in $CANDIDATE_TMP_DIRS; do
  30
  31   # Skip nonexistent directories.
  32   test -d $d || continue
  33
  34   d_mount_point=`stat -L -c %d $d`
  35
  36   # Same partition?  Skip it.
  37   test x$d_mount_point = x$dot_mount_point && continue
  38
  39   # See if we can create a directory in it.
  40   if mkdir "$d/tmp$$" > /dev/null 2>&1; then
  41     other_partition_tmpdir="$d/tmp$$"
  42     break
  43   fi
  44
  45 done
  46
  47 if test -z "$other_partition_tmpdir"; then
  48   skip_test_ \
  49 "requires a writable directory on a different disk partition,
  50 and I couldn't find one.  I tried these:
  51   $CANDIDATE_TMP_DIRS
  52 Set your environment variable CANDIDATE_TMP_DIRS to make
  53 this test use a different list."
  54 fi
  55
  56 test "$VERBOSE" = yes && set -x