Revert "Prevent config.h from being clobbered"

This reverts commit 28bba8c44f484eae38e8a15dcec73cfa999156f6.

1 files changed, 39 insertions, 38 deletions

diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc
index af4f264a67e6..151ed97e4b8b 100644
--- a/src/nix-store/nix-store.cc
+++ b/src/nix-store/nix-store.cc
@@ -238,12 +238,6 @@ static void printTree(const Path & path,
     PathSet references;
     store->queryReferences(path, references);
 
-#if 0
-    for (PathSet::iterator i = drv.inputSrcs.begin();
-         i != drv.inputSrcs.end(); ++i)
-        cout << format("%1%%2%\n") % (tailPad + treeConn) % *i;
-#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
@@ -251,7 +245,7 @@ static void printTree(const Path & path,
     Paths sorted = topoSortPaths(*store, references);
     reverse(sorted.begin(), sorted.end());
 
-    for (Paths::iterator i = sorted.begin(); i != sorted.end(); ++i) {
+    foreach (Paths::iterator, i, sorted) {
         Paths::iterator j = i; ++j;
         printTree(*i, tailPad + treeConn,
             j == sorted.end() ? tailPad + treeNull : tailPad + treeLine,
@@ -293,7 +287,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
         else if (*i == "--resolve") query = qResolve;
         else if (*i == "--roots") query = qRoots;
         else if (*i == "--use-output" || *i == "-u") useOutput = true;
-        else if (*i == "--force-realise" || *i == "-f") forceRealise = true;
+        else if (*i == "--force-realise" || *i == "--force-realize" || *i == "-f") forceRealise = true;
         else if (*i == "--include-outputs") includeOutputs = true;
         else throw UsageError(format("unknown flag `%1%'") % *i);
 
@@ -460,35 +454,42 @@ static void opReadLog(Strings opFlags, Strings opArgs)
     foreach (Strings::iterator, i, opArgs) {
         Path path = useDeriver(followLinksToStorePath(*i));
 
-        Path logPath = (format("%1%/%2%/%3%") %
-            settings.nixLogDir % drvsLogDir % baseNameOf(path)).str();
-        Path logBz2Path = logPath + ".bz2";
-
-        if (pathExists(logPath)) {
-            /* !!! Make this run in O(1) memory. */
-            string log = readFile(logPath);
-            writeFull(STDOUT_FILENO, (const unsigned char *) log.data(), log.size());
-        }
+        for (int j = 0; j <= 2; j++) {
+            if (j == 2) throw Error(format("build log of derivation `%1%' is not available") % path);
+
+            string baseName = baseNameOf(path);
+            Path logPath =
+                j == 0
+                ? (format("%1%/%2%/%3%/%4%") % settings.nixLogDir % drvsLogDir % string(baseName, 0, 2) % string(baseName, 2)).str()
+                : (format("%1%/%2%/%3%") % settings.nixLogDir % drvsLogDir % baseName).str();
+            Path logBz2Path = logPath + ".bz2";
+
+            if (pathExists(logPath)) {
+                /* !!! Make this run in O(1) memory. */
+                string log = readFile(logPath);
+                writeFull(STDOUT_FILENO, (const unsigned char *) log.data(), log.size());
+                break;
+            }
 
-        else if (pathExists(logBz2Path)) {
-            AutoCloseFD fd = open(logBz2Path.c_str(), O_RDONLY);
-            FILE * f = 0;
-            if (fd == -1 || (f = fdopen(fd.borrow(), "r")) == 0)
-                throw SysError(format("opening file `%1%'") % logBz2Path);
-            int err;
-            BZFILE * bz = BZ2_bzReadOpen(&err, f, 0, 0, 0, 0);
-            if (!bz) throw Error(format("cannot open bzip2 file `%1%'") % logBz2Path);
-            unsigned char buf[128 * 1024];
-            do {
-                int n = BZ2_bzRead(&err, bz, buf, sizeof(buf));
-                if (err != BZ_OK && err != BZ_STREAM_END)
-                    throw Error(format("error reading bzip2 file `%1%'") % logBz2Path);
-                writeFull(STDOUT_FILENO, buf, n);
-            } while (err != BZ_STREAM_END);
-            BZ2_bzReadClose(&err, bz);
+            else if (pathExists(logBz2Path)) {
+                AutoCloseFD fd = open(logBz2Path.c_str(), O_RDONLY);
+                FILE * f = 0;
+                if (fd == -1 || (f = fdopen(fd.borrow(), "r")) == 0)
+                    throw SysError(format("opening file `%1%'") % logBz2Path);
+                int err;
+                BZFILE * bz = BZ2_bzReadOpen(&err, f, 0, 0, 0, 0);
+                if (!bz) throw Error(format("cannot open bzip2 file `%1%'") % logBz2Path);
+                unsigned char buf[128 * 1024];
+                do {
+                    int n = BZ2_bzRead(&err, bz, buf, sizeof(buf));
+                    if (err != BZ_OK && err != BZ_STREAM_END)
+                        throw Error(format("error reading bzip2 file `%1%'") % logBz2Path);
+                    writeFull(STDOUT_FILENO, buf, n);
+                } while (err != BZ_STREAM_END);
+                BZ2_bzReadClose(&err, bz);
+                break;
+            }
         }
-
-        else throw Error(format("build log of derivation `%1%' is not available") % path);
     }
 }
 
@@ -514,7 +515,7 @@ static void registerValidity(bool reregister, bool hashGiven, bool canonicalise)
         if (!store->isValidPath(info.path) || reregister) {
             /* !!! races */
             if (canonicalise)
-                canonicalisePathMetaData(info.path);
+                canonicalisePathMetaData(info.path, -1);
             if (!hashGiven) {
                 HashResult hash = hashPath(htSHA256, info.path);
                 info.hash = hash.first;
@@ -842,7 +843,7 @@ void run(Strings args)
 
         Operation oldOp = op;
 
-        if (arg == "--realise" || arg == "-r")
+        if (arg == "--realise" || arg == "--realize" || arg == "-r")
             op = opRealise;
         else if (arg == "--add" || arg == "-A")
             op = opAdd;
@@ -884,7 +885,7 @@ void run(Strings args)
             op = opVerifyPath;
         else if (arg == "--repair-path")
             op = opRepairPath;
-        else if (arg == "--optimise")
+        else if (arg == "--optimise" || arg == "--optimize")
             op = opOptimise;
         else if (arg == "--query-failed-paths")
             op = opQueryFailedPaths;