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This commit is contained in:
Wouter den Breejen 2007-09-04 17:09:26 +00:00
parent 89ab441fd2
commit 35e239af33
9 changed files with 70 additions and 74 deletions
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22
src/libexpr/primops.cc
View file

@ -509,23 +509,7 @@ static Expr prim_derivationStrict(EvalState & state, const ATermVector & args)
}
}
else if(key == "solidStateDependency"){
/*
ATermList es;
value = evalExpr(state, value);
if (!matchList(value, es)) {
static bool haveWarned = false;
warnOnce(haveWarned, "the `solidStateDependencies' attribute should evaluate to a list");
es = flattenList(state, value);
}
for (ATermIterator i(es); i; ++i) {
string s = coerceToString(state, *i, context, true);
drv.solidStateDeps.insert(s);
}
*/
externalState = coerceToString(state, value, context, true);
}
else if(key == "solidStateDependency"){ externalState = coerceToString(state, value, context, true); }
else if(key == "shareType") { shareType = coerceToString(state, value, context, true); }
else if(key == "synchronization") { syncState = coerceToString(state, value, context, true); }
else if(key == "disableState") { disableState = evalBool(state, value); }
@ -619,10 +603,6 @@ static Expr prim_derivationStrict(EvalState & state, const ATermVector & args)
* We also add runtimeStateArgs for the hash calc in hashDerivationModulo(...) to check if its needs to take the stateIdentiefier into account in the hash
*/
//TODO CHECK DRVS ARE CREATED BY THE USER AND NOT DAEMON ???????????????????????????
//queryCallingUsername()
//THERE ARE 2 CALLS TO DerivationStateOutput below !!!!!!!!!!!!!!!!!!!!!!
if(enableState && !disableState){
if(runtimeStateArgs == ""){
string enableStateS = bool2string("true");

2
src/libstore/build.cc
View file

@ -1831,7 +1831,7 @@ void DerivationGoal::computeClosure()
if(sharedState != ""){
//Remove state path
deletePathWrapped(statePath);
sharePath(sharedState, statePath);
symlinkPath(sharedState, statePath);
//Set in database
setSharedStateTxn(txn, sharedState, statePath);

2
src/libstore/db.cc
View file

@ -383,12 +383,14 @@ void Database::setString(const Transaction & txn, TableId table,
const string & key, const string & data)
{
checkInterrupt();
printMsg(lvlError, format("SS: '%1%'") % data);
try {
Db * db = getDb(table);
Dbt kt((void *) key.c_str(), key.length());
Dbt dt((void *) data.c_str(), data.length());
db->put(txn.txn, &kt, &dt, 0);
} catch (DbException e) { rethrow(e); }
printMsg(lvlError, format("SETTEDS"));
}

19
src/libstore/local-store.cc
View file

@ -501,7 +501,6 @@ void setReferences(const Transaction & txn, const Path & store_or_statePath,
}
else
throw Error(format("Path '%1%' is not a valid component or state path") % store_or_statePath);
}
void queryXReferencesTxn(const Transaction & txn, const Path & store_or_statePath, PathSet & references, const bool component_or_state, const unsigned int revision, const unsigned int timestamp)
@ -695,18 +694,18 @@ void setDeriver(const Transaction & txn, const Path & storePath, const Path & de
* into account. This function is used to update derivations that have only changed in their sub state
* paths that need to be versioned for example. We assume newdrv is the newest.
*/
PathSet mergeNewDerivationIntoList(const Path & storepath, const Path & newdrv, const PathSet drvs, bool deleteDrvs)
PathSet mergeNewDerivationIntoListTxn(const Transaction txn, const Path & storepath, const Path & newdrv, const PathSet drvs, bool deleteDrvs)
{
PathSet newdrvs;
Derivation drv = derivationFromPathTxn(noTxn, newdrv);
Derivation drv = derivationFromPathTxn(txn, newdrv);
string identifier = drv.stateOutputs.find("state")->second.stateIdentifier;
string user = drv.stateOutputs.find("state")->second.username;
for (PathSet::iterator i = drvs.begin(); i != drvs.end(); ++i) //Check if we need to remove old drvs
{
Path drv = *i;
Derivation getdrv = derivationFromPathTxn(noTxn, drv);
Derivation getdrv = derivationFromPathTxn(txn, drv);
string getIdentifier = getdrv.stateOutputs.find("state")->second.stateIdentifier;
string getUser = getdrv.stateOutputs.find("state")->second.username;
@ -739,14 +738,17 @@ void addStateDeriver(const Transaction & txn, const Path & storePath, const Path
string user = drv.stateOutputs.find("state")->second.username;
PathSet currentDerivers = queryDerivers(txn, storePath, identifier, user);
PathSet updatedDerivers = mergeNewDerivationIntoList(storePath, deriver, currentDerivers, true);
PathSet updatedDerivers = mergeNewDerivationIntoListTxn(txn, storePath, deriver, currentDerivers, true);
Strings data;
for (PathSet::iterator i = updatedDerivers.begin(); i != updatedDerivers.end(); ++i) //Convert Paths to Strings
data.push_back(*i);
for (Strings::iterator i = data.begin(); i != data.end(); ++i)
printMsg(lvlError, format("AA: %1%") % *i);
nixDB.setStrings(txn, dbDerivers, storePath, data); //update the derivers db.
printMsg(lvlError, format("%BB"));
nixDB.setString(txn, dbStateInfo, storePath, ""); //update the dbinfo db. (maybe TODO)
}
@ -1728,6 +1730,9 @@ bool querySolidStateReferencesTxn(const Transaction & txn, const Path & statePat
void setSharedStateTxn(const Transaction & txn, const Path & fromExisting, const Path & toNew)
{
//TODO !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! LEGALITY CHECK IF THE PATH MAY BE SHARED !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//TODO
//Remove earlier entries
nixDB.delPair(txn, dbSharedState, toNew);
@ -1737,10 +1742,6 @@ void setSharedStateTxn(const Transaction & txn, const Path & fromExisting, const
void LocalStore::setSharedState(const Path & fromExisting, const Path & toNew)
{
//TODO !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! LEGALITY CHECK IF THE PATH MAY BE SHARED !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//TODO
//
Transaction txn(nixDB);
setSharedStateTxn(txn, fromExisting, toNew);
txn.commit();

2
src/libstore/store-state.cc
View file

@ -40,7 +40,7 @@ void createSubStateDirsTxn(const Transaction & txn, const DerivationStateOutputD
//TODO
/*
if( ! IsDirectory( ....... ) ){
if( ! DirectoryExist( ....... ) ){
}
else
printMsg(lvlTalkative, format("Statedir %1% already exists, so dont ........ ???? ") % ...);

32
src/libutil/util.cc
View file

@ -462,7 +462,8 @@ void readFull(int fd, unsigned char * buf, size_t count)
if (errno == EINTR) continue;
throw SysError("reading from file");
}
if (res == 0) throw EndOfFile("unexpected end-of-file");
if (res == 0)
throw EndOfFile("unexpected end-of-file (in readFull so deamon communication)");
count -= res;
buf += res;
}
@ -1167,7 +1168,7 @@ bool FileExist(const string FileName)
}
//TODO Does this work on windows?
bool IsDirectory(const string FileName)
bool DirectoryExist(const string FileName)
{
const char* FileName_C = FileName.c_str();
struct stat my_stat;
@ -1175,6 +1176,17 @@ bool IsDirectory(const string FileName)
return ((my_stat.st_mode & S_IFDIR) != 0);
}
//TODO Does this work on windows?
bool IsSymlink(const string FileName)
{
const char* FileName_C = FileName.c_str();
struct stat my_stat;
if (lstat(FileName_C, &my_stat) != 0) return false;
return (S_ISLNK(my_stat.st_mode) != 0);
}
/*
string getCallingUserName()
{
@ -1280,26 +1292,14 @@ void symlinkPath(const Path & fromExisting, const Path & toNew)
p_args.push_back(fromExisting);
p_args.push_back(toNew);
runProgram_AndPrintOutput("ln", true, p_args, "ln");
printMsg(lvlError, format("ln -sf %1% %2%") % fromExisting % toNew);
}
void sharePath(const Path & fromExisting, const Path & toNew)
{
symlinkPath(fromExisting, toNew);
//printMsg(lvlError, format("ln -sf %1% %2%") % fromExisting % toNew);
}
void copyContents(const Path & from, const Path & to)
{
Strings p_args;
p_args.push_back("-R");
p_args.push_back(from + "/*");
p_args.push_back(to);
runProgram_AndPrintOutput("cp", true, p_args, "cp");
p_args.clear();
p_args.push_back("-R");
p_args.push_back(from + "/.*"); //Also copy the hidden files
p_args.push_back(from + "/"); //the / makes sure it copys the contents of the dir, not just the symlink
p_args.push_back(to);
runProgram_AndPrintOutput("cp", true, p_args, "cp");
}

7
src/libutil/util.hh
View file

@ -43,8 +43,10 @@ bool pathExists(const Path & path);
bool FileExist(const string FileName);
/* Return true if the given dir exists. */
bool IsDirectory(const string FileName);
bool DirectoryExist(const string FileName);
/* Return true if the given filename is a symlink. */
bool IsSymlink(const string FileName);
/* Read the contents (target) of a symbolic link. The result is not
in any way canonicalised. */
@ -330,9 +332,6 @@ string padd(const string & s, char c , unsigned int size, bool front = false);
/* Symlinks one path to the other */
void symlinkPath(const Path & fromExisting, const Path & toNew);
/* Exactly the same as symlinkPath */
void sharePath(const Path & fromExisting, const Path & toNew);
/* Copy all files and folders recursively (also the hidden ones) from the dir from/... to the dir to/... */
void copyContents(const Path & from, const Path & to);

38
src/nix-env/nix-env.cc
View file

@ -513,8 +513,6 @@ static void installDerivations(Globals & globals,
string externalState = stateOutputs.find("state")->second.externalState;
Path statePath = stateOutputs.find("state")->second.statepath;
if(externalState != ""){
if(stateIdentifier != "")
externalState = externalState + "-" + stateIdentifier;
externalStates[statePath] = externalState;
}
}
@ -615,7 +613,7 @@ static void installDerivations(Globals & globals,
printMsg(lvlError, format("Sharing state from old <-- new component '%1%' <-- '%2%'") % i->first % i->second);
deletePath(i->second); //Remove contents of current new state path
sharePath(i->first, i->second); //Share new statepath to the old statepath
symlinkPath(i->first, i->second); //Share new statepath to the old statepath
//Set in database
store->setSharedState(i->first, i->second);
@ -629,31 +627,35 @@ static void installDerivations(Globals & globals,
//1. If dir externalState exists, we move its data into the statePath
//2. We ensure that the parent dir of externalState exists so we can create a symlink
if(IsDirectory(externalState)){
copyContents(externalState, statePath);
//TODO !!!!!!!!!!!!!!
//cp: cannot stat `/home/wouterdb/test/aaaaaaaa-test/*': No such file or directory
//error: program `cp' failed with exit code 1
if(DirectoryExist(externalState)){
//We cannot copy into itself so we have to test that
if(IsSymlink(externalState)){
Path read_statePath = readLink(externalState);
assert(store->isValidStatePath(read_statePath));
PathSet comparePaths;
comparePaths.insert(statePath);
comparePaths.insert(read_statePath);
if(store->toNonSharedPathSet(comparePaths).size() != 1)
copyContents(externalState, statePath);
}
else
copyContents(externalState, statePath);
deletePath(externalState);
}
else{
//Ensure parent dir
//outsidestorePath
//ensureDirExists();
string externalState_p = externalState;
if(externalState_p[externalState_p.length() - 1] == '/')
externalState_p.erase(externalState_p.length(),1);
externalState_p = externalState_p.substr(0,externalState_p.find_last_of('/'));
ensureDirExists(externalState_p);
}
//TODO !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! these last 2 items should be done by the store I think for security reasons !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// /nix/state should be root.nixbl and 775
//Now we create a symlink externalState --> statePath
printMsg(lvlError, format("SYMLINK: '%1%' --> '%2%'") % externalState % statePath);
symlinkPath(statePath, externalState);
//SET IN DB !!!
//TODO
}
}

20
src/nix-state/nix-state.cc
View file

@ -457,10 +457,10 @@ void run(Strings args)
printMsg(lvlError, format("NOW: '%1%'") % FileExist("/nix/store/65c7p6c8j0vy6b8fjgq84zziiavswqha-hellohardcodedstateworld-1.0/") );
printMsg(lvlError, format("NOW: '%1%'") % FileExist("/nix/store/65c7p6c8j0vy6b8fjgq84zziiavswqha-hellohardcodedstateworld-1.0/bin/hello") );
printMsg(lvlError, format("NOW: '%1%'") % IsDirectory("/nix/store/65c7p6c8j0vy6b8fjgq84zziiavswqha-hellohardcodedstateworld-1.0/") );
printMsg(lvlError, format("NOW: '%1%'") % IsDirectory("/nix/store/65c7p6c8j0vy6b8fjgq84zziiavswqha-hellohardcodedstateworld-1.0/bin/hello") );
printMsg(lvlError, format("NOW: '%1%'") % DirectoryExist("/nix/store/65c7p6c8j0vy6b8fjgq84zziiavswqha-hellohardcodedstateworld-1.0/") );
printMsg(lvlError, format("NOW: '%1%'") % DirectoryExist("/nix/store/65c7p6c8j0vy6b8fjgq84zziiavswqha-hellohardcodedstateworld-1.0/bin/hello") );
printMsg(lvlError, format("NOW: '%1%'") % FileExist("/nix/store/65c7p6c8j0vy6b8fjgq8") );
printMsg(lvlError, format("NOW: '%1%'") % IsDirectory("/nix/store/65c7p6c8j0vy6b8fjg") );
printMsg(lvlError, format("NOW: '%1%'") % DirectoryExist("/nix/store/65c7p6c8j0vy6b8fjg") );
store = openStore();
@ -498,7 +498,19 @@ void run(Strings args)
sharedWith = getSharedWithPathSetRecTxn(noTxn, "/nix/state/7c9azkk6qfk18hsvw4a5d8vk1p6qryk0-hellohardcodedstateworld-1.0-test");
for (PathSet::const_iterator j = sharedWith.begin(); j != sharedWith.end(); ++j)
printMsg(lvlError, format("RootSP SW '%1%'") % *j);
printMsg(lvlError, format("ISL 1 '%1%'") % IsSymlink("/home/wouterdb/test/aaaaaaaa-test"));
printMsg(lvlError, format("ISL 2 '%1%'") % IsSymlink("/home/wouterdb/test/aad"));
printMsg(lvlError, format("ISL 1 '%1%'") % readLink("/home/wouterdb/test/aaaaaaaa-test"));
PathSet comparePaths;
comparePaths.insert("/nix/state/rxi9isplmqvgjp7xrrq2zlz0s2w5h0mh-hellohardcodedstateworld-solid-1.0-test");
comparePaths.insert("/nix/state/7c9azkk6qfk18hsvw4a5d8vk1p6qryk0-hellohardcodedstateworld-1.0-test");
PathSet comparePaths_result = store->toNonSharedPathSet(comparePaths);
for (PathSet::const_iterator j = comparePaths_result.begin(); j != comparePaths_result.end(); ++j)
printMsg(lvlError, format("RES '%1%'") % *j);
return;
*/