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* Nix now respects $TMPDIR for the creation of temporary build directories.

Browse source 
* Retry creation of a temporary directory (with a different name) in the 
  case of EEXIST.
This commit is contained in:
Eelco Dolstra 2003-10-02 11:55:38 +00:00
parent 6d478597c7
commit 4193d62e08
3 changed files with 24 additions and 5 deletions
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6
src/exec.cc
View file

@ -54,11 +54,7 @@ void runProgram(const string & program,
/* Create a temporary directory where the build will take
place. */
static int counter = 0;
string tmpDir = (format("/tmp/nix-%1%-%2%") % getpid() % counter++).str();
if (mkdir(tmpDir.c_str(), 0777) == -1)
throw SysError(format("creating directory `%1%'") % tmpDir);
string tmpDir = createTempDir();
AutoDelete delTmpDir(tmpDir);

20
src/util.cc
View file

@ -171,6 +171,26 @@ void makePathReadOnly(const string & path)
}
static string tempName()
{
static int counter = 0;
char * s = getenv("TMPDIR");
string tmpRoot = s ? canonPath(string(s)) : "/tmp";
return (format("%1%/nix-%2%-%3%") % tmpRoot % getpid() % counter++).str();
}
string createTempDir()
{
while (1) {
string tmpDir = tempName();
if (mkdir(tmpDir.c_str(), 0777) == 0) return tmpDir;
if (errno != EEXIST)
throw SysError(format("creating directory `%1%'") % tmpDir);
}
}
Verbosity verbosity = lvlError;
static int nestingLevel = 0;

3
src/util.hh
View file

@ -72,6 +72,9 @@ void deletePath(const string & path);
/* Make a path read-only recursively. */
void makePathReadOnly(const string & path);
/* Create a temporary directory. */
string createTempDir();
/* Messages. */