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Disable use-sqlite-wal under WSL

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Before:

    $ nix-channel --update
    unpacking channels...
    warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL)
    warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL)
    warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL)
    warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL)
    warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy (SQLITE_PROTOCOL)

After:

    $ inst/bin/nix-channel --update
    unpacking channels...
    created 1 symlinks in user environment

I've seen complaints that "sandbox" caused problems under WSL but I'm
having no problems. I think recent changes could have fixed the issue.
This commit is contained in:
Brian McKenna 2019-12-21 07:40:23 +11:00
parent c84c843e33
commit d25923263e
2 changed files with 12 additions and 1 deletions
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9
src/libstore/globals.cc
View file

@ -117,6 +117,15 @@ void Settings::requireExperimentalFeature(const std::string & name)
throw Error("experimental Nix feature '%s' is disabled", name);
}
bool Settings::isWSL1()
{
struct utsname utsbuf;
uname(&utsbuf);
// WSL1 uses -Microsoft suffix
// WSL2 uses -microsoft-standard suffix
return hasSuffix(utsbuf.release, "-Microsoft");
}
const string nixVersion = PACKAGE_VERSION;
template<> void BaseSetting<SandboxMode>::set(const std::string & str)

4
src/libstore/globals.hh
View file

@ -34,6 +34,8 @@ class Settings : public Config {
StringSet getDefaultSystemFeatures();
bool isWSL1();
public:
Settings();
@ -130,7 +132,7 @@ public:
Setting<bool> fsyncMetadata{this, true, "fsync-metadata",
"Whether SQLite should use fsync()."};
Setting<bool> useSQLiteWAL{this, true, "use-sqlite-wal",
Setting<bool> useSQLiteWAL{this, !isWSL1(), "use-sqlite-wal",
"Whether SQLite should use WAL mode."};
Setting<bool> syncBeforeRegistering{this, false, "sync-before-registering",