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FlakeRegistry = FlakeRef -> FlakeRef

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This commit is contained in:
Nick Van den Broeck 2019-04-08 19:03:00 +02:00
parent c64f98b883
commit 4ad4e48668
8 changed files with 105 additions and 180 deletions
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50
src/libexpr/primops/flakeref.hh
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@ -103,48 +103,60 @@ typedef std::string FlakeUri;
struct FlakeRef
{
std::optional<std::string> ref;
std::optional<Hash> rev;
struct IsAlias
{
FlakeAlias alias;
bool operator<(const IsAlias & b) const { return alias < b.alias; };
bool operator==(const IsAlias & b) const { return alias == b.alias; };
};
struct IsGitHub
{
struct IsGitHub {
std::string owner, repo;
bool operator<(const IsGitHub & b) const {
return std::make_tuple(owner, repo) < std::make_tuple(b.owner, b.repo);
}
bool operator==(const IsGitHub & b) const {
return owner == b.owner && repo == b.repo;
}
};
// Git, Tarball
struct IsGit
{
std::string uri;
bool operator<(const IsGit & b) const { return uri < b.uri; }
bool operator==(const IsGit & b) const { return uri == b.uri; }
};
struct IsPath
{
Path path;
bool operator<(const IsPath & b) const { return path < b.path; }
bool operator==(const IsPath & b) const { return path == b.path; }
};
// Git, Tarball
std::variant<IsFlakeId, IsGitHub, IsGit, IsPath> data;
std::variant<IsAlias, IsGitHub, IsGit, IsPath> data;
std::optional<std::string> ref;
std::optional<Hash> rev;
bool operator<(const FlakeRef & flakeRef) const
{
return std::make_tuple(this->data, ref, rev) <
std::make_tuple(flakeRef.data, flakeRef.ref, flakeRef.rev);
}
bool operator==(const FlakeRef & flakeRef) const
{
return std::make_tuple(this->data, ref, rev) ==
std::make_tuple(flakeRef.data, flakeRef.ref, flakeRef.rev);
}
// Parse a flake URI.
FlakeRef(const std::string & uri, bool allowRelative = false);
// Default constructor
FlakeRef(const FlakeRef & flakeRef) : data(flakeRef.data) {};
/* Unify two flake references so that the resulting reference
combines the information from both. For example,
"nixpkgs/<hash>" and "github:NixOS/nixpkgs" unifies to
"nixpkgs/master". May throw an exception if the references are
incompatible (e.g. "nixpkgs/<hash1>" and "nixpkgs/<hash2>",
where hash1 != hash2). */
FlakeRef(const FlakeRef & a, const FlakeRef & b);
// FIXME: change to operator <<.
std::string to_string() const;
@ -160,9 +172,5 @@ struct FlakeRef
bool isImmutable() const;
FlakeRef baseRef() const;
void setRef(std::optional<std::string> ref) { ref = ref; }
void setRev(std::optional<Hash> rev) { rev = rev; }
};
}