Nix/src/libcmd/editor-for.cc

25 lines
738 B
C++

#include "editor-for.hh"
#include "environment-variables.hh"
#include "source-path.hh"
namespace nix {
Strings editorFor(const SourcePath & file, uint32_t line)
{
auto path = file.getPhysicalPath();
if (!path)
throw Error("cannot open '%s' in an editor because it has no physical path", file);
auto editor = getEnv("EDITOR").value_or("cat");
auto args = tokenizeString<Strings>(editor);
if (line > 0 && (
editor.find("emacs") != std::string::npos ||
editor.find("nano") != std::string::npos ||
editor.find("vim") != std::string::npos ||
editor.find("kak") != std::string::npos))
args.push_back(fmt("+%d", line));
args.push_back(path->abs());
return args;
}
}