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Inline initTmpDir()

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This commit is contained in:
Eelco Dolstra 2025-05-26 22:35:47 +02:00
parent 774678b87f
commit b27e684ca5
1 changed files with 25 additions and 37 deletions
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62
src/libstore/unix/build/derivation-builder.cc
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@ -279,11 +279,6 @@ protected:
private:
/**
* Setup tmp dir location.
*/
void initTmpDir();
/**
* Write a JSON file containing the derivation attributes.
*/
@ -1076,9 +1071,32 @@ void DerivationBuilderImpl::processSandboxSetupMessages()
}
}
void DerivationBuilderImpl::initTmpDir()
void DerivationBuilderImpl::initEnv()
{
env.clear();
/* Most shells initialise PATH to some default (/bin:/usr/bin:...) when
PATH is not set. We don't want this, so we fill it in with some dummy
value. */
env["PATH"] = "/path-not-set";
/* Set HOME to a non-existing path to prevent certain programs from using
/etc/passwd (or NIS, or whatever) to locate the home directory (for
example, wget looks for ~/.wgetrc). I.e., these tools use /etc/passwd
if HOME is not set, but they will just assume that the settings file
they are looking for does not exist if HOME is set but points to some
non-existing path. */
env["HOME"] = homeDir;
/* Tell the builder where the Nix store is. Usually they
shouldn't care, but this is useful for purity checking (e.g.,
the compiler or linker might only want to accept paths to files
in the store or in the build directory). */
env["NIX_STORE"] = store.storeDir;
/* The maximum number of cores to utilize for parallel building. */
env["NIX_BUILD_CORES"] = fmt("%d", settings.buildCores);
/* In non-structured mode, set all bindings either directory in the
environment or via a file, as specified by
`DerivationOptions::passAsFile`. */
@ -1110,36 +1128,6 @@ void DerivationBuilderImpl::initTmpDir()
inode of the current directory doesn't appear in .. (because
getdents returns the inode of the mount point). */
env["PWD"] = tmpDirInSandbox();
}
void DerivationBuilderImpl::initEnv()
{
env.clear();
/* Most shells initialise PATH to some default (/bin:/usr/bin:...) when
PATH is not set. We don't want this, so we fill it in with some dummy
value. */
env["PATH"] = "/path-not-set";
/* Set HOME to a non-existing path to prevent certain programs from using
/etc/passwd (or NIS, or whatever) to locate the home directory (for
example, wget looks for ~/.wgetrc). I.e., these tools use /etc/passwd
if HOME is not set, but they will just assume that the settings file
they are looking for does not exist if HOME is set but points to some
non-existing path. */
env["HOME"] = homeDir;
/* Tell the builder where the Nix store is. Usually they
shouldn't care, but this is useful for purity checking (e.g.,
the compiler or linker might only want to accept paths to files
in the store or in the build directory). */
env["NIX_STORE"] = store.storeDir;
/* The maximum number of cores to utilize for parallel building. */
env["NIX_BUILD_CORES"] = fmt("%d", settings.buildCores);
initTmpDir();
/* Compatibility hack with Nix <= 0.7: if this is a fixed-output
derivation, tell the builder, so that for instance `fetchurl'