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Consolidate tempName and makeTempPath

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This commit is contained in:
Farid Zakaria 2025-05-21 09:01:49 -07:00
parent 6aed9d877c
commit 9e26549c2b
4 changed files with 7 additions and 21 deletions
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2
src/libstore/ssh.cc
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@ -34,7 +34,7 @@ SSHMaster::SSHMaster(
throw Error("invalid SSH host name '%s'", host);
auto state(state_.lock());
state->tmpDir = std::make_unique<AutoDelete>(createTempDir("", "nix", true, true, 0700));
state->tmpDir = std::make_unique<AutoDelete>(createTempDir("", "nix", 0700));
}
void SSHMaster::addCommonSSHOpts(Strings & args)

3
src/libstore/unix/build/derivation-builder.cc
View file

@ -1,4 +1,5 @@
#include "nix/store/build/derivation-builder.hh"
#include "nix/util/file-system.hh"
#include "nix/store/local-store.hh"
#include "nix/util/processes.hh"
#include "nix/store/builtins.hh"
@ -879,7 +880,7 @@ void DerivationBuilderImpl::startBuilder()
/* Create a temporary directory where the build will take
place. */
topTmpDir = createTempDir(settings.buildDir.get().value_or(""), "nix-build-" + std::string(drvPath.name()), false, false, 0700);
topTmpDir = createTempDir(settings.buildDir.get().value_or(""), "nix-build-" + std::string(drvPath.name()), 0700);
#ifdef __APPLE__
if (false) {
#else

19
src/libutil/file-system.cc
View file

@ -578,26 +578,11 @@ std::string defaultTempDir() {
return getEnvNonEmpty("TMPDIR").value_or("/tmp");
}
static Path tempName(Path tmpRoot, const Path & prefix, bool includePid,
std::atomic<unsigned int> & counter)
Path createTempDir(const Path & tmpRoot, const Path & prefix, mode_t mode)
{
tmpRoot = canonPath(tmpRoot.empty() ? defaultTempDir() : tmpRoot, true);
if (includePid)
return fmt("%1%/%2%-%3%-%4%", tmpRoot, prefix, getpid(), counter++);
else
return fmt("%1%/%2%-%3%", tmpRoot, prefix, counter++);
}
Path createTempDir(const Path & tmpRoot, const Path & prefix,
bool includePid, bool useGlobalCounter, mode_t mode)
{
static std::atomic<unsigned int> globalCounter = 0;
std::atomic<unsigned int> localCounter = 0;
auto & counter(useGlobalCounter ? globalCounter : localCounter);
while (1) {
checkInterrupt();
Path tmpDir = tempName(tmpRoot, prefix, includePid, counter);
Path tmpDir = makeTempPath(tmpRoot, prefix);
if (mkdir(tmpDir.c_str()
#ifndef _WIN32 // TODO abstract mkdir perms for Windows
, mode

4
src/libutil/include/nix/util/file-system.hh
View file

@ -310,8 +310,8 @@ typedef std::unique_ptr<DIR, DIRDeleter> AutoCloseDir;
/**
* Create a temporary directory.
*/
Path createTempDir(const Path & tmpRoot = "", const Path & prefix = "nix",
bool includePid = true, bool useGlobalCounter = true, mode_t mode = 0755);
Path createTempDir(const Path & tmpRoot = "", const Path & prefix = "nix",
mode_t mode = 0755);
/**
* Create a temporary file, returning a file handle and its path.