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Add command 'nix store copy-log'

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Fixes #5222.
This commit is contained in:
Eelco Dolstra 2022-01-17 19:45:21 +01:00
parent 6448ea84ab
commit 4dda1f92aa
13 changed files with 165 additions and 60 deletions
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21
src/libstore/local-store.cc
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@ -9,6 +9,7 @@
#include "callback.hh"
#include "topo-sort.hh"
#include "finally.hh"
#include "compression.hh"
#include <iostream>
#include <algorithm>
@ -1898,4 +1899,24 @@ FixedOutputHash LocalStore::hashCAPath(
};
}
void LocalStore::addBuildLog(const StorePath & drvPath, std::string_view log)
{
assert(drvPath.isDerivation());
auto baseName = drvPath.to_string();
auto logPath = fmt("%s/%s/%s/%s.bz2", logDir, drvsLogDir, baseName.substr(0, 2), baseName.substr(2));
if (pathExists(logPath)) return;
createDirs(dirOf(logPath));
auto tmpFile = fmt("%s.tmp.%d", logPath, getpid());
writeFile(tmpFile, compress("bzip2", log));
if (rename(tmpFile.c_str(), logPath.c_str()) != 0)
throw SysError("renaming '%1%' to '%2%'", tmpFile, logPath);
}
} // namespace nix