8235fb28b8
Unlike tar, cpio does not have a separate entry for each directory, so the link resolution can't assume that directory entries exist for each path component. I also mistakenly assumed that cpio handled hardlinks similarly to tar, but that's clearly not the case. libarchive does help a bit, but these differences still suck.
75 lines
1.9 KiB
Bash
Executable file
75 lines
1.9 KiB
Bash
Executable file
#!/bin/sh
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# The order of inserting the files into the tar is not fully deterministic this
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# way. The tests will fail quite badly if a hardlink is considered the
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# "original" version.
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# simpletest.tar.gz
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mkdir simple
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echo Hi >simple/file
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touch -d '2016-11-20 08:44:02+01:00' simple/file
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ln -s file simple/link
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ln simple/file simple/hardlink
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mkfifo simple/fifo
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badfn=`echo 'Héllö.txt' | iconv -t ISO-8859-1`
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touch $badfn
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tar -czf simpletest.tar.gz simple $badfn
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rm -rf $badfn simple
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# rawtest.gz.xz.bzip2
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echo "File contents!" | gzip | xz | bzip2 >rawtest.gz.xz.bzip2
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# testarchive.tar.xz
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mkdir man
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cd man
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mkdir man1
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mkdir man3
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mkdir man6
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ln -s man3 mans
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echo 'Hello World' >man3/helloworld.3
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echo 'Not a very interesting file' >notinteresting
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echo 'Potentially interesting file' >possiblyinteresting
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ln man3/helloworld.3 man6/hardlink.6
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ln -s ../man3/helloworld.3 man1/symlinkbefore.1
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ln -s ../man3/helloworld.3 man6/symlinkafter.6
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# Technically badsymlink1.1 is bad, but we can't detect this because package
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# archives don't necessarily list all directories. So it will have to be
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# considered valid.
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ln -s notadir/../../man3/helloworld.3 man1/badsymlink1.1
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ln -s man3/helloworld.3 man1/badsymlink2.1
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ln -s ../man3/helloworld.3/. man1/badsymlink3.1
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ln -s ../man3/helloworld.3/../helloworld.3 man1/badsymlink4.1
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ln -s ../man1/symlinkbefore.1/../../man1/helloworld.3 man1/badsymlink5.1
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ln -s symlinkbefore.1 man1/doublesymlink1.1
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ln -s ../mans/helloworld.3 man1/doublesymlink2.1
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ln -s ../mans/../man1/symlinkbefore.1 man1/triplesymlink.1
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ln -s infinitesymlink.1 man1/infinitesymlink.1
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ln -s ../possiblyinteresting man3/needreread.3
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ln -s ../possiblyinteresting man6/needreread.6
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cd ..
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rm -f testarchive.tar
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tar -cf testarchive.tar man/
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rm -r man/
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mkdir man
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echo 'Overwritten file' >man/possiblyinteresting
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tar -rf testarchive.tar man/
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rm -r man/
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rm -f testarchive.tar.xz
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xz testarchive.tar
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