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Improve path:// handling

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In particular, doing 'nix build /path/to/dir' now works if
/path/to/dir is not a Git tree (it only has to contain a flake.nix
file).

Also, 'nix flake init' no longer requires a Git tree (but it will do a
'git add flake.nix' if it's a Git tree)
This commit is contained in:
Eelco Dolstra 2020-04-27 22:53:11 +02:00
parent 829dcb35d5
commit 6521c92ce8
6 changed files with 99 additions and 61 deletions
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4
src/libexpr/flake/flakeref.hh
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@ -41,13 +41,13 @@ struct FlakeRef
std::ostream & operator << (std::ostream & str, const FlakeRef & flakeRef);
FlakeRef parseFlakeRef(
const std::string & url, const std::optional<Path> & baseDir = {});
const std::string & url, const std::optional<Path> & baseDir = {}, bool allowMissing = false);
std::optional<FlakeRef> maybeParseFlake(
const std::string & url, const std::optional<Path> & baseDir = {});
std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
const std::string & url, const std::optional<Path> & baseDir = {});
const std::string & url, const std::optional<Path> & baseDir = {}, bool allowMissing = false);
std::optional<std::pair<FlakeRef, std::string>> maybeParseFlakeRefWithFragment(
const std::string & url, const std::optional<Path> & baseDir = {});