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Garbage collector: Don't follow symlinks arbitrarily

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Only indirect roots (symlinks to symlinks to the Nix store) are now
supported.
This commit is contained in:
Eelco Dolstra 2013-07-12 14:01:25 +02:00
parent 25a00cae5b
commit aeb810b01e
5 changed files with 54 additions and 48 deletions
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9
src/libutil/util.cc
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@ -148,6 +148,15 @@ string baseNameOf(const Path & path)
}
bool isInDir(const Path & path, const Path & dir)
{
return path[0] == '/'
&& string(path, 0, dir.size()) == dir
&& path.size() >= dir.size() + 2
&& path[dir.size()] == '/';
}
struct stat lstat(const Path & path)
{
struct stat st;