t/distcheck-pr10470.sh

   1 #! /bin/sh
   2 # Copyright (C) 2012-2024 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Ensure "make distcheck" does not experience racy failures on
  18 # systems (like MinGW/MSYS) that cannot remove a directory "in use"
  19 # by a process (e.g., that is its "current working directory").
  20 # See automake bug#10470.
  21
  22 . test-init.sh
  23
  24 mkdir foo.d
  25 sh -c "cd foo.d && sleep '4'" &
  26 # Without this sleep, the "rm -rf foo.d" below would reliably beat
  27 # the "cd foo.d" in the subshell above, and the test would be always
  28 # skipped, even on MinGW/MSYS.
  29 sleep '1'
  30 rm -rf foo.d && skip_ 'system is able to remove "in use" directories'
  31
  32 echo AC_OUTPUT >> configure.ac
  33
  34 cat > Makefile.am <<END
  35 TESTS = foo.test
  36 EXTRA_DIST= foo.test
  37 END
  38
  39 cat > foo.test <<END
  40 #!/bin/sh
  41 sleep '4' &
  42 exit 0
  43 END
  44 chmod a+x foo.test
  45
  46 $ACLOCAL
  47 $AUTOCONF
  48 $AUTOMAKE -a
  49 ./configure
  50
  51 # We can build the distribution.
  52 run_make -M distcheck
  53 # Sanity check: verify that our code has hit a problem removing
  54 # the distdir, but has recovered from it.
  55 $EGREP "(^| )(rm|find):.*$distdir" output || fatal_ "expected code path not covered"
  56
  57 :