tar: override symlink permissions
On Linux, symlink permissions cannot be altered and are always 0777. On Mac OS X they can be 0755. Force 0777 here to keep tarballs reproducible across systems Signed-off-by: Felix Fietkau <nbd@nbd.name>
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tools/tar/patches/110-symlink-force-permissions.patch
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tools/tar/patches/110-symlink-force-permissions.patch
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@ -0,0 +1,10 @@
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--- a/src/create.c
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+++ b/src/create.c
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@@ -1851,6 +1851,7 @@ dump_file0 (struct tar_stat_info *st, ch
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#ifdef HAVE_READLINK
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else if (S_ISLNK (st->stat.st_mode))
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{
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+ st->stat.st_mode |= 0777; /* make permissions portable */
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st->link_name = areadlinkat_with_size (parentfd, name, st->stat.st_size);
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if (!st->link_name)
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{
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