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Merge branch 'nix-repl-e' of https://github.com/zimbatm/nix

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This commit is contained in:
Eelco Dolstra 2019-11-05 11:20:53 +01:00
commit 852554bb16
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6 changed files with 88 additions and 34 deletions
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13
src/libutil/args.cc
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@ -178,6 +178,19 @@ Strings argvToStrings(int argc, char * * argv)
return args;
}
Strings editorFor(Pos pos)
{
auto editor = getEnv("EDITOR", "cat");
auto args = tokenizeString<Strings>(editor);
if (pos.line > 0 && (
editor.find("emacs") != std::string::npos ||
editor.find("nano") != std::string::npos ||
editor.find("vim") != std::string::npos))
args.push_back(fmt("+%d", pos.line));
args.push_back(pos.file);
return args;
}
std::string renderLabels(const Strings & labels)
{
std::string res;

4
src/libutil/args.hh
View file

@ -5,6 +5,7 @@
#include <memory>
#include "util.hh"
#include "nixexpr.hh"
namespace nix {
@ -190,6 +191,9 @@ public:
Strings argvToStrings(int argc, char * * argv);
/* Helper function to generate args that invoke $EDITOR on filename:lineno */
Strings editorFor(Pos pos);
/* Helper function for rendering argument labels. */
std::string renderLabels(const Strings & labels);