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Rename nixPath to __nixPath

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The name ‘nixPath’ breaks existing code.
This commit is contained in:
Eelco Dolstra 2014-07-30 11:27:34 +02:00
parent 2ea2703fe9
commit 3d221a7bb1
3 changed files with 7 additions and 7 deletions
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2
src/libexpr/parser.y
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@ -388,7 +388,7 @@ expr_simple
string path($1 + 1, strlen($1) - 2);
$$ = new ExprApp(CUR_POS,
new ExprApp(new ExprVar(data->symbols.create("__findFile")),
new ExprVar(data->symbols.create("nixPath"))),
new ExprVar(data->symbols.create("__nixPath"))),
new ExprString(data->symbols.create(path)));
}
| URI { $$ = new ExprString(data->symbols.create($1)); }

4
src/libexpr/primops.cc
View file

@ -710,7 +710,7 @@ static void prim_readFile(EvalState & state, const Pos & pos, Value * * args, Va
/* Find a file in the Nix search path. Used to implement <x> paths,
which are desugared to ‘findFile nixPath "x"’. */
which are desugared to ‘findFile __nixPath "x"’. */
static void prim_findFile(EvalState & state, const Pos & pos, Value * * args, Value & v)
{
state.forceList(*args[0], pos);
@ -1472,7 +1472,7 @@ void EvalState::createBaseEnv()
mkString(*allocAttr(*v2, symbols.create("prefix")), i.first);
v2->attrs->sort();
}
addConstant("nixPath", v);
addConstant("__nixPath", v);
/* Now that we've added all primops, sort the `builtins' set,
because attribute lookups expect it to be sorted. */

8
tests/lang/eval-okay-search-path.nix
View file

@ -3,9 +3,9 @@ with builtins;
assert pathExists <nix/buildenv.nix>;
assert length nixPath == 6;
assert length (filter (x: x.prefix == "nix") nixPath) == 1;
assert length (filter (x: baseNameOf x.path == "dir4") nixPath) == 1;
assert length __nixPath == 6;
assert length (filter (x: x.prefix == "nix") __nixPath) == 1;
assert length (filter (x: baseNameOf x.path == "dir4") __nixPath) == 1;
import <a.nix> + import <b.nix> + import <c.nix> + import <dir5/c.nix>
+ (let nixPath = [ { path = ./dir2; } { path = ./dir1; } ]; in import <a.nix>)
+ (let __nixPath = [ { path = ./dir2; } { path = ./dir1; } ]; in import <a.nix>)