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Merge pull request #2322 from senhuang42/guard_against_stdin_for_warning_prompts

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Don't let warning messages consume input from stdin
This commit is contained in:
Yann Collet
2020-09-30 08:26:50 -07:00
committed by GitHub
parent d69d08ed6c 02422db841
commit 83461ce963
6 changed files with 48 additions and 10 deletions
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tests/playTests.sh
+17
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@@ -310,6 +310,23 @@ test -f precompressedFilterTestDir/input.6.zst.zst
println "Test completed"
println "\n===> warning prompts should not occur if stdin is an input"
println "y" > tmpPrompt
println "hello world" >> tmpPrompt
zstd tmpPrompt -f
zstd < tmpPrompt -o tmpPrompt.zst && die "should have aborted immediately and failed to overwrite"
zstd < tmpPrompt -o tmpPrompt.zst -f # should successfully overwrite with -f
zstd -q -d -f tmpPrompt.zst -o tmpPromptRegenerated
$DIFF tmpPromptRegenerated tmpPrompt # the first 'y' character should not be swallowed
echo 'yes' | zstd tmpPrompt -o tmpPrompt.zst # accept piped "y" input to force overwrite when using files
echo 'yes' | zstd < tmpPrompt -o tmpPrompt.zst && die "should have aborted immediately and failed to overwrite"
zstd tmpPrompt - < tmpPrompt -o tmpPromp.zst --rm && die "should have aborted immediately and failed to remove"
println "Test completed"
println "\n===> recursive mode test "
# combination of -r with empty list of input file
zstd -c -r < tmp > tmp.zst