* Fix the garbage collector.
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parent
7a02d95418
commit
40d9eb14df
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@ -17,9 +17,24 @@ foreach my $arg (@ARGV) {
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else { die "unknown argument `$arg'" };
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}
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opendir(DIR, $linkdir) or die "cannot open directory $linkdir: $!";
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my @links = readdir DIR or die "cannot read directory $linkdir: $!";
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closedir DIR;
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my @roots;
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foreach my $link (@links) {
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$link = $linkdir . "/" . $link;
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next if (!($link =~ /.id$/));
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open ROOT, "<$link" or die "cannot open $link: $!";
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my $root = <ROOT>;
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chomp $root;
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close ROOT;
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push @roots, $root;
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}
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my $extraarg = "";
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if ($keepsuccessors) { $extraarg = "--include-successors"; };
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my $pid = open2(\*READ, \*WRITE, "nix --query --requisites $extraarg \$(cat $linkdir/*.id)")
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my $pid = open2(\*READ, \*WRITE, "nix-store --query --requisites $extraarg @roots")
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or die "determining live paths";
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close WRITE;
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while (<READ>) {
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@ -34,8 +49,8 @@ $? == 0 or die "determining live paths";
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exit 0 if ($invert);
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opendir(DIR, $storedir) or die "cannot opendir $storedir: $!";
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my @names = readdir(DIR);
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opendir(DIR, $storedir) or die "cannot open directory $storedir: $!";
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my @names = readdir DIR;
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closedir DIR;
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foreach my $name (@names) {
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@ -1,9 +1,6 @@
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#include <iostream>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "store.hh"
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@ -307,11 +304,7 @@ void addTextToStore(const Path & dstPath, const string & s)
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PathLocks outputLock(lockPaths);
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if (!isValidPath(dstPath)) {
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AutoCloseFD fd = open(dstPath.c_str(), O_CREAT | O_EXCL | O_WRONLY, 0666);
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if (fd == -1) throw SysError(format("creating store file `%1%'") % dstPath);
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writeFull(fd, (unsigned char *) s.c_str(), s.size());
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writeStringToFile(dstPath, s);
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Transaction txn(nixDB);
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registerValidPath(txn, dstPath);
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@ -6,6 +6,7 @@
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#include <sys/stat.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <fcntl.h>
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#include "util.hh"
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@ -192,6 +193,16 @@ Path createTempDir()
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}
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void writeStringToFile(const Path & path, const string & s)
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{
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AutoCloseFD fd = open(path.c_str(),
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O_CREAT | O_EXCL | O_WRONLY, 0666);
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if (fd == -1)
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throw SysError(format("creating file `%1%'") % path);
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writeFull(fd, (unsigned char *) s.c_str(), s.size());
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}
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Verbosity verbosity = lvlError;
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static int nestingLevel = 0;
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@ -87,6 +87,11 @@ void makePathReadOnly(const Path & path);
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/* Create a temporary directory. */
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Path createTempDir();
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/* Create a file and write the given text to it. The file is written
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in binary mode (i.e., no end-of-line conversions). The path should
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not already exist. */
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void writeStringToFile(const Path & path, const string & s);
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/* Messages. */
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@ -139,6 +139,8 @@ Path createLink(Path outPath, Path drvPath)
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num++;
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}
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writeStringToFile(linkPath + "-src.id", drvPath);
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return linkPath;
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}
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@ -290,7 +292,7 @@ void uninstallDerivations(EvalState & state, Strings drvNames)
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installedDrvs.erase(j->second);
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}
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createUserEnv(state, installedDrvs);
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createUserEnv(state, installedDrvs);
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}
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