forked from lix-project/lix
* Fix the -qr query.
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c11bbcfd26
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@ -186,9 +186,10 @@ void registerSuccessor(const FSId & id1, const FSId & id2)
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}
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static FSId storeSuccessor(const FSId & id1, FState sc)
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static FSId storeSuccessor(const FSId & id1, FState sc,
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string * p)
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{
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FSId id2 = writeTerm(sc, "-s-" + (string) id1, 0);
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FSId id2 = writeTerm(sc, "-s-" + (string) id1, p);
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registerSuccessor(id1, id2);
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return id2;
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}
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@ -267,7 +268,7 @@ static FState unparseSlice(const Slice & slice)
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typedef set<FSId> FSIdSet;
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Slice normaliseFState(FSId id)
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static Slice normaliseFState2(FSId id, StringSet & usedPaths)
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{
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debug(format("normalising fstate"));
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Nest nest(true);
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@ -281,12 +282,16 @@ Slice normaliseFState(FSId id)
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}
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/* Get the fstate expression. */
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FState fs = termFromId(id);
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string fsPath;
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FState fs = termFromId(id, &fsPath);
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/* Already in normal form (i.e., a slice)? */
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if (ATgetType(fs) == AT_APPL &&
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(string) ATgetName(ATgetAFun(fs)) == "Slice")
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{
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usedPaths.insert(fsPath);
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return parseSlice(fs);
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}
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/* Then we it's a Derive node. */
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ATermList outs, ins, bnds;
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@ -402,12 +407,20 @@ Slice normaliseFState(FSId id)
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FState nf = unparseSlice(slice);
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debug(printTerm(nf));
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storeSuccessor(id, nf);
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storeSuccessor(id, nf, &fsPath);
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usedPaths.insert(fsPath);
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return slice;
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}
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Slice normaliseFState(FSId id)
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{
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StringSet dummy;
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return normaliseFState2(id, dummy);
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}
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static void checkSlice(const Slice & slice)
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{
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if (slice.elems.size() == 0)
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@ -475,7 +488,7 @@ void realiseSlice(const Slice & slice)
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}
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Strings fstatePaths(FSId id, bool normalise)
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Strings fstatePaths(const FSId & id, bool normalise)
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{
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Strings paths;
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@ -520,3 +533,14 @@ Strings fstatePaths(FSId id, bool normalise)
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return paths;
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}
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StringSet fstateRefs(const FSId & id)
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{
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StringSet paths;
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Slice slice = normaliseFState2(id, paths);
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for (SliceElems::const_iterator i = slice.elems.begin();
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i != slice.elems.end(); i++)
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paths.insert(i->path);
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return paths;
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}
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@ -101,7 +101,12 @@ Slice normaliseFState(FSId id);
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/* Realise a Slice in the file system. */
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void realiseSlice(const Slice & slice);
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Strings fstatePaths(FSId id, bool normalise);
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/* Get the list of root (output) paths of the given
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fstate-expression. */
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Strings fstatePaths(const FSId & id, bool normalise);
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/* Get the list of paths referenced by the given fstate-expression. */
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StringSet fstateRefs(const FSId & id);
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#endif /* !__FSTATE_H */
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12
src/nix.cc
12
src/nix.cc
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@ -159,23 +159,19 @@ static void opQuery(Strings opFlags, Strings opArgs)
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case qPath: {
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Strings paths = fstatePaths(id, true);
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for (Strings::iterator i = paths.begin();
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i != paths.end(); i++)
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cout << format("%s\n") % *i;
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for (Strings::iterator j = paths.begin();
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j != paths.end(); j++)
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cout << format("%s\n") % *j;
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break;
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}
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#if 0
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case qRefs: {
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StringSet refs;
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FState fs = hash2fstate(hash);
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fstateRefs(realiseFState(fs, refs), refs);
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StringSet refs = fstateRefs(id);
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for (StringSet::iterator j = refs.begin();
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j != refs.end(); j++)
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cout << format("%s\n") % *j;
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break;
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}
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#endif
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default:
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abort();
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