forked from lix-project/lix
f5b6fa5256
This is not entirely trivial since this introduces the possibility of mutual recursion. * Made normal forms self-contained. * Use unique ids, not content hashes, for content referencing.
40 lines
1 KiB
C++
40 lines
1 KiB
C++
#ifndef __STORE_H
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#define __STORE_H
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#include <string>
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#include "hash.hh"
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using namespace std;
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typedef Hash FSId;
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/* Copy a path recursively. */
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void copyPath(string src, string dst);
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/* Register a substitute. */
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void registerSubstitute(const FSId & srcId, const FSId & subId);
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/* Register a path keyed on its id. */
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void registerPath(const string & path, const FSId & id);
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/* Return a path whose contents have the given hash. If target is
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not empty, ensure that such a path is realised in target (if
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necessary by copying from another location). If prefix is not
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empty, only return a path that is an descendent of prefix. */
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string expandId(const FSId & id, const string & target = "",
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const string & prefix = "/");
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/* Copy a file to the nixStore directory and register it in dbRefs.
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Return the hash code of the value. */
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void addToStore(string srcPath, string & dstPath, FSId & id,
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bool deterministicName = false);
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/* Delete a value from the nixStore directory. */
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void deleteFromStore(const string & path);
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#endif /* !__STORE_H */
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