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This commit is contained in:
Wouter den Breejen 2007-07-12 10:51:10 +00:00
parent 36b79c7135
commit 96a62bb7e6
9 changed files with 274 additions and 281 deletions
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29
src/libstore/store-api.cc
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@ -120,8 +120,7 @@ Path makeStorePath(const string & type, const Hash & hash, const string & suffix
Path makeStatePath(const string & componentHash, const string & suffix, const string & stateIdentifier)
{
string suffix_stateIdentifier = stateIdentifier;
if(suffix_stateIdentifier != "")
suffix_stateIdentifier = "-" + suffix_stateIdentifier;
suffix_stateIdentifier = "-" + suffix_stateIdentifier;
string username = getCallingUserName(); //Can and Should NOT be faked
@ -152,32 +151,26 @@ void checkStatePath(const Derivation & drv)
Error(format("The statepath from the Derivation does not match the recalculated statepath, are u trying to spoof the statepath?"));
}
void calculateStateReposPath(const string & type, const Path statePath, const string & suffix, const string & stateIdentifier, Path & path)
Path getStateReposPath(const string & type, const Path statePath)
{
//This is a little trick: we could use the same hash as the statepath, but we change it so the repository also gets a unique scannable hash
Hash hash = hashString(htSHA256, statePath);
string suffix_stateIdentifier = stateIdentifier;
if(suffix_stateIdentifier != "")
suffix_stateIdentifier = "-" + suffix_stateIdentifier;
//Extract suffix and stateIdentifier from statePath
int pos = statePath.find_first_of("-");
string suffix = statePath.substr(pos, statePath.length());
/* e.g., "source:sha256:1abc...:/nix/store:foo.tar.gz" */
string s = type + ":sha256:" + printHash(hash) + ":"
+ nixStoreState + ":" + suffix + ":" + stateIdentifier;
+ nixStoreState + ":" + suffix;
checkStoreName(suffix);
checkStoreName(stateIdentifier);
path = nixStoreStateRepos + "/"
Path path = nixStoreStateRepos + "/"
+ printHash32(compressHash(hashString(htSHA256, s), 20))
+ "-" + suffix + suffix_stateIdentifier + "/";
}
Path getStateReposPath(const string & type, const Path statePath, const string & suffix, const string & stateIdentifier)
{
Path path;
calculateStateReposPath(type, statePath, suffix, stateIdentifier, path);
return path;
+ suffix + "/";
return path;
}