On Tue, Sep 18, 2007 at 04:57:33PM +0200, René Scharfe <rene.scharfe@xxxxxxxxxxxxxx> wrote: > Info-ZIP zip and unzip are two different programs, each with their > own version numbers. ah, my bad. > >> Also, what is the difference between t/trash/a and t/trash/d/a after > >> running the test script (that's what test 21 is comparing)? > > > > $ diff -Naur t/trash/a t/trash/d/a > > diff -Naur t/trash/a/l1 t/trash/d/a/l1 > > --- t/trash/a/l1 2007-09-17 23:10:03.000000000 +0200 > > +++ t/trash/d/a/l1 2007-09-17 23:10:03.000000000 +0200 > > @@ -1 +1 @@ > > -simple textfile > > +a > > \ No newline at end of file > > Ah! l1 is a symlink to a. The target of a symlink is stored as file > content in a ZIP archive and marked with a special flag. An unzipper > that doesn't understand this flag would create a file containing the > link target's name instead of a symlink pointing to the target. > > The unzip on my system says: > > $ unzip -v > UnZip 5.52 of 28 February 2005, by Ubuntu. Original by Info-ZIP. > > Latest sources and executables are at ftp://ftp.info-zip.org/pub/infozip/ ; > see ftp://ftp.info-zip.org/pub/infozip/UnZip.html for other sites. > > Compiled with gcc 4.1.2 (Ubuntu 4.1.2-0ubuntu4) for Unix (Linux ELF) on Mar 31 2007. > > UnZip special compilation options: > ACORN_FTYPE_NFS > COPYRIGHT_CLEAN (PKZIP 0.9x unreducing method not supported) > SET_DIR_ATTRIB > TIMESTAMP > USE_EF_UT_TIME > USE_UNSHRINK (PKZIP/Zip 1.x unshrinking method supported) > USE_DEFLATE64 (PKZIP 4.x Deflate64(tm) supported) > VMS_TEXT_CONV > WILD_STOP_AT_DIR > [decryption, version 2.9 of 05 May 2000] > > I suspect you need SET_DIR_ATTRIB in order to extract symlinks. $ unzip -v UnZip 5.52 of 28 February 2005, by Info-ZIP. Maintained by C. Spieler. Send bug reports using http://www.info-zip.org/zip-bug.html; see README for details. Latest sources and executables are at ftp://ftp.info-zip.org/pub/infozip/ ; see ftp://ftp.info-zip.org/pub/infozip/UnZip.html for other sites. Compiled with gcc 4.1.2 for Unix (Linux ELF) on May 9 2007. UnZip special compilation options: ASM_CRC COPYRIGHT_CLEAN (PKZIP 0.9x unreducing method not supported) SET_DIR_ATTRIB TIMESTAMP USE_EF_UT_TIME USE_UNSHRINK (PKZIP/Zip 1.x unshrinking method supported) USE_DEFLATE64 (PKZIP 4.x Deflate64(tm) supported) VMS_TEXT_CONV [decryption, version 2.9 of 05 May 2000] if i'm not wrong then these options should be ok. :S thanks, - VMiklos
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