tests: avoid a race in tail --retry testing
[coreutils.git] / tests / mv / update.sh
blob0bc770d8a5b26154f4dc2db24ff12b1a9f932038
1 #!/bin/sh
2 # make sure --update works as advertised
4 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
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11 # This program is distributed in the hope that it will be useful,
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
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19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20 print_ver_ cp mv
22 echo old > old || framework_failure_
23 touch -d yesterday old || framework_failure_
24 echo new > new || framework_failure_
27 for interactive in '' -i; do
28 for cp_or_mv in cp mv; do
29 # This is a no-op, with no prompt.
30 # With coreutils-6.9 and earlier, using --update with -i would
31 # mistakenly elicit a prompt.
32 $cp_or_mv $interactive --update old new < /dev/null > out 2>&1 || fail=1
33 test -s out && fail=1
34 case "$(cat new)" in new) ;; *) fail=1 ;; esac
35 case "$(cat old)" in old) ;; *) fail=1 ;; esac
36 done
37 done
39 # This will actually perform the rename.
40 mv --update new old || fail=1
41 test -f new && fail=1
42 case "$(cat old)" in new) ;; *) fail=1 ;; esac
44 # Restore initial conditions.
45 echo old > old || fail=1
46 touch -d yesterday old || fail=1
47 echo new > new || fail=1
49 # This will actually perform the copy.
50 cp --update new old || fail=1
51 case "$(cat old)" in new) ;; *) fail=1 ;; esac
52 case "$(cat new)" in new) ;; *) fail=1 ;; esac
54 Exit $fail