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Merge pull request #17 from tsion/install-cmd

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Add :i command to install a derivation to the current profile.
This commit is contained in:
Eelco Dolstra 2016-02-29 12:47:00 +01:00
commit 2bfb00c66e
1 changed files with 7 additions and 6 deletions
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13
nix-repl.cc
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@ -19,9 +19,6 @@ using namespace std;
using namespace nix; using namespace nix;
string programId = "nix-repl";
struct NixRepl struct NixRepl
{ {
string curDir; string curDir;
@ -297,6 +294,7 @@ bool NixRepl::processLine(string line)
<< " <x> = <expr> Bind expression to variable\n" << " <x> = <expr> Bind expression to variable\n"
<< " :a <expr> Add attributes from resulting set to scope\n" << " :a <expr> Add attributes from resulting set to scope\n"
<< " :b <expr> Build derivation\n" << " :b <expr> Build derivation\n"
<< " :i <expr> Build derivation, then install result into current profile\n"
<< " :l <path> Load Nix expression and add it to scope\n" << " :l <path> Load Nix expression and add it to scope\n"
<< " :p <expr> Evaluate and print expression recursively\n" << " :p <expr> Evaluate and print expression recursively\n"
<< " :q Exit nix-repl\n" << " :q Exit nix-repl\n"
@ -327,12 +325,12 @@ bool NixRepl::processLine(string line)
std::cout << showType(v) << std::endl; std::cout << showType(v) << std::endl;
} }
else if (command == ":b" || command == ":s") { else if (command == ":b" || command == ":i" || command == ":s") {
Value v; Value v;
evalString(arg, v); evalString(arg, v);
DrvInfo drvInfo(state); DrvInfo drvInfo(state);
if (!getDerivation(state, v, drvInfo, false)) if (!getDerivation(state, v, drvInfo, false))
throw Error("expression does not evaluation to a derivation, so I can't build it"); throw Error("expression does not evaluate to a derivation, so I can't build it");
Path drvPath = drvInfo.queryDrvPath(); Path drvPath = drvInfo.queryDrvPath();
if (drvPath == "" || !state.store->isValidPath(drvPath)) if (drvPath == "" || !state.store->isValidPath(drvPath))
throw Error("expression did not evaluate to a valid derivation"); throw Error("expression did not evaluate to a valid derivation");
@ -347,8 +345,11 @@ bool NixRepl::processLine(string line)
for (auto & i : drv.outputs) for (auto & i : drv.outputs)
std::cout << format(" %1% -> %2%") % i.first % i.second.path << std::endl; std::cout << format(" %1% -> %2%") % i.first % i.second.path << std::endl;
} }
} else } else if (command == ":i") {
runProgram("nix-env", Strings{"-i", drvPath});
} else {
runProgram("nix-shell", Strings{drvPath}); runProgram("nix-shell", Strings{drvPath});
}
} }
else if (command == ":p" || command == ":print") { else if (command == ":p" || command == ":print") {