diff options
Diffstat (limited to 'third_party/nix/src/nix/edit.cc')
-rw-r--r-- | third_party/nix/src/nix/edit.cc | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/third_party/nix/src/nix/edit.cc b/third_party/nix/src/nix/edit.cc deleted file mode 100644 index 04c67acb94c6..000000000000 --- a/third_party/nix/src/nix/edit.cc +++ /dev/null @@ -1,75 +0,0 @@ -#include <absl/strings/str_split.h> -#include <glog/logging.h> -#include <unistd.h> - -#include "libexpr/attr-path.hh" -#include "libexpr/eval.hh" -#include "libmain/shared.hh" -#include "nix/command.hh" - -namespace nix { -struct CmdEdit final : InstallableCommand { - std::string name() override { return "edit"; } - - std::string description() override { - return "open the Nix expression of a Nix package in $EDITOR"; - } - - Examples examples() override { - return { - Example{"To open the Nix expression of the GNU Hello package:", - "nix edit nixpkgs.hello"}, - }; - } - - void run(ref<Store> store) override { - auto state = getEvalState(); - - auto v = installable->toValue(*state); - - Value* v2; - try { - auto dummyArgs = Bindings::New(); - v2 = findAlongAttrPath(*state, "meta.position", dummyArgs.get(), *v); - } catch (Error&) { - throw Error("package '%s' has no source location information", - installable->what()); - } - - auto pos = state->forceString(*v2); - DLOG(INFO) << "position is " << pos; - - auto colon = pos.rfind(':'); - if (colon == std::string::npos) { - throw Error("cannot parse meta.position attribute '%s'", pos); - } - - std::string filename(pos, 0, colon); - int lineno; - try { - lineno = std::stoi(std::string(pos, colon + 1)); - } catch (std::invalid_argument& e) { - throw Error("cannot parse line number '%s'", pos); - } - - auto editor = getEnv("EDITOR").value_or("cat"); - - Strings args = - absl::StrSplit(editor, absl::ByAnyChar(" \t\n\r"), absl::SkipEmpty()); - - if (editor.find("emacs") != std::string::npos || - editor.find("nano") != std::string::npos || - editor.find("vim") != std::string::npos) { - args.push_back(fmt("+%d", lineno)); - } - - args.push_back(filename); - - execvp(args.front().c_str(), stringsToCharPtrs(args).data()); - - throw SysError("cannot run editor '%s'", editor); - } -}; -} // namespace nix - -static nix::RegisterCommand r1(nix::make_ref<nix::CmdEdit>()); |