From 4271385a73d5e073ddfa7e4a75ab0ae5bef50439 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Fri, 8 Apr 2005 12:57:16 +0000 Subject: * Make `nix-store --query --tree' work on non-derivations (i.e., on any store path). --- src/nix-store/main.cc | 28 +++++++++++++--------------- 1 file changed, 13 insertions(+), 15 deletions(-) (limited to 'src') diff --git a/src/nix-store/main.cc b/src/nix-store/main.cc index 6de26dabc976..496924677588 100644 --- a/src/nix-store/main.cc +++ b/src/nix-store/main.cc @@ -233,38 +233,36 @@ static Paths topoSort(const PathSet & paths) } -static void printDrvTree(const Path & drvPath, +static void printTree(const Path & path, const string & firstPad, const string & tailPad, PathSet & done) { - if (done.find(drvPath) != done.end()) { - cout << format("%1%%2% [...]\n") % firstPad % drvPath; + if (done.find(path) != done.end()) { + cout << format("%1%%2% [...]\n") % firstPad % path; return; } - done.insert(drvPath); + done.insert(path); - cout << format("%1%%2%\n") % firstPad % drvPath; - - Derivation drv = derivationFromPath(drvPath); + cout << format("%1%%2%\n") % firstPad % path; + + PathSet references; + queryReferences(noTxn, path, references); +#if 0 for (PathSet::iterator i = drv.inputSrcs.begin(); i != drv.inputSrcs.end(); ++i) cout << format("%1%%2%\n") % (tailPad + treeConn) % *i; - - PathSet inputs; - for (DerivationInputs::iterator i = drv.inputDrvs.begin(); - i != drv.inputDrvs.end(); ++i) - inputs.insert(i->first); +#endif /* Topologically sort under the relation A < B iff A \in closure(B). That is, if derivation A is an (possibly indirect) input of B, then A is printed first. This has the effect of flattening the tree, preventing deeply nested structures. */ - Paths sorted = topoSort(inputs); + Paths sorted = topoSort(references); reverse(sorted.begin(), sorted.end()); for (Paths::iterator i = sorted.begin(); i != sorted.end(); ++i) { Paths::iterator j = i; ++j; - printDrvTree(*i, tailPad + treeConn, + printTree(*i, tailPad + treeConn, j == sorted.end() ? tailPad + treeNull : tailPad + treeLine, done); } @@ -377,7 +375,7 @@ static void opQuery(Strings opFlags, Strings opArgs) PathSet done; for (Strings::iterator i = opArgs.begin(); i != opArgs.end(); ++i) - printDrvTree(fixPath(*i), "", "", done); + printTree(fixPath(*i), "", "", done); break; } -- cgit 1.4.1