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nix-shell: allow symlinks to .drvs

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This makes persistent shell environments easier to use.
This commit is contained in:
Linus Heckemann 2018-03-16 22:15:24 +00:00
parent 48662d151b
commit 12913ccf45
3 changed files with 19 additions and 3 deletions
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8
src/nix-build/nix-build.cc
View file

@ -271,10 +271,14 @@ void mainWrapped(int argc, char * * argv)
exprs = {state.parseStdin()};
else
for (auto i : left) {
auto absolute = i;
try {
absolute = canonPath(absPath(i), true);
} catch (Error e) {};
if (fromArgs)
exprs.push_back(state.parseExprFromString(i, absPath(".")));
else if (store->isStorePath(i) && std::regex_match(i, std::regex(".*\\.drv(!.*)?")))
drvs.push_back(DrvInfo(state, store, i));
else if (store->isStorePath(absolute) && std::regex_match(absolute, std::regex(".*\\.drv(!.*)?")))
drvs.push_back(DrvInfo(state, store, absolute));
else
/* If we're in a #! script, interpret filenames
relative to the script. */

2
src/nix-instantiate/nix-instantiate.cc
View file

@ -70,7 +70,7 @@ void processExpr(EvalState & state, const Strings & attrPaths,
if (gcRoot == "")
printGCWarning();
else {
Path rootName = gcRoot;
Path rootName = indirectRoot ? absPath(gcRoot) : gcRoot;
if (++rootNr > 1) rootName += "-" + std::to_string(rootNr);
auto store2 = state.store.dynamic_pointer_cast<LocalFSStore>();
if (store2)