2003-07-14 10:23:11 +00:00
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#ifndef __STORE_H
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#define __STORE_H
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2003-06-16 13:33:38 +00:00
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#include <string>
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#include "hash.hh"
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using namespace std;
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2003-07-15 16:28:54 +00:00
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typedef Hash FSId;
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2003-07-22 15:15:15 +00:00
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typedef set<FSId> FSIdSet;
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2003-07-15 16:28:54 +00:00
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2003-07-10 15:11:48 +00:00
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/* Copy a path recursively. */
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2003-07-06 14:20:47 +00:00
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void copyPath(string src, string dst);
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2003-06-16 13:33:38 +00:00
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2003-07-10 15:11:48 +00:00
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/* Register a substitute. */
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2003-07-15 16:28:54 +00:00
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void registerSubstitute(const FSId & srcId, const FSId & subId);
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2003-07-10 15:11:48 +00:00
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2003-07-15 16:28:54 +00:00
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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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2003-07-07 09:25:26 +00:00
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2003-07-21 14:46:01 +00:00
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/* Query the id of a path. */
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bool queryPathId(const string & path, FSId & id);
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2003-07-10 13:41:28 +00:00
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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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2003-07-09 16:12:40 +00:00
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necessary by copying from another location). If prefix is not
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2003-07-22 15:15:15 +00:00
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empty, only return a path that is an descendent of prefix.
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The list of pending ids are those that already being expanded.
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This prevents infinite recursion for ids realised through a
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substitute (since when we build the substitute, we would first try
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to expand the id... kaboom!). */
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2003-07-15 16:28:54 +00:00
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string expandId(const FSId & id, const string & target = "",
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2003-08-01 09:01:51 +00:00
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const string & prefix = "/", FSIdSet pending = FSIdSet(),
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bool ignoreSubstitutes = false);
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2003-07-07 09:25:26 +00:00
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2003-06-27 13:55:12 +00:00
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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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2003-07-15 16:28:54 +00:00
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void addToStore(string srcPath, string & dstPath, FSId & id,
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2003-07-11 08:41:03 +00:00
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bool deterministicName = false);
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2003-06-23 14:40:49 +00:00
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2003-06-27 13:55:12 +00:00
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/* Delete a value from the nixStore directory. */
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2003-06-27 14:56:12 +00:00
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void deleteFromStore(const string & path);
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2003-06-23 14:40:49 +00:00
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2003-07-17 12:27:55 +00:00
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void verifyStore();
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2003-06-16 13:33:38 +00:00
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2003-07-14 10:23:11 +00:00
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#endif /* !__STORE_H */
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