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* Give a better error message when trying to build something and

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readOnlyMode is set.
This commit is contained in:
Eelco Dolstra 2009-12-09 17:45:22 +00:00
parent 13618b191e
commit bcd6cdf0d8
1 changed files with 6 additions and 0 deletions
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6
src/libstore/build.cc
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@ -796,6 +796,9 @@ void DerivationGoal::init()
{ {
trace("init"); trace("init");
if (readOnlyMode)
throw Error(format("cannot build derivation `%1%' - no write access to the Nix store") % drvPath);
/* The first thing to do is to make sure that the derivation /* The first thing to do is to make sure that the derivation
exists. If it doesn't, it may be created through a exists. If it doesn't, it may be created through a
substitute. */ substitute. */
@ -2122,6 +2125,9 @@ void SubstitutionGoal::init()
return; return;
} }
if (readOnlyMode)
throw Error(format("cannot substitute path `%1%' - no write access to the Nix store") % storePath);
subs = substituters; subs = substituters;
tryNext(); tryNext();