From 17f75f9cc4dd70e3e6de7e266ef2bd18a0da310b Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Fri, 17 Jul 2020 14:54:21 +0200 Subject: [PATCH] parseFlakeRef(): Only search for the top-level directory for CLI flakerefs --- src/libexpr/flake/flakeref.cc | 79 +++++++++++++++++++---------------- tests/flakes.sh | 9 ++-- 2 files changed, 45 insertions(+), 43 deletions(-) diff --git a/src/libexpr/flake/flakeref.cc b/src/libexpr/flake/flakeref.cc index 701546671..6363446f6 100644 --- a/src/libexpr/flake/flakeref.cc +++ b/src/libexpr/flake/flakeref.cc @@ -102,56 +102,61 @@ std::pair parseFlakeRefWithFragment( percentDecode(std::string(match[6]))); } - /* Check if 'url' is a path (either absolute or relative to - 'baseDir'). If so, search upward to the root of the repo - (i.e. the directory containing .git). */ - else if (std::regex_match(url, match, pathUrlRegex)) { std::string path = match[1]; - if (!baseDir && !hasPrefix(path, "/")) - throw BadURL("flake reference '%s' is not an absolute path", url); - path = absPath(path, baseDir, true); + std::string fragment = percentDecode(std::string(match[3])); - if (!S_ISDIR(lstat(path).st_mode)) - throw BadURL("path '%s' is not a flake (because it's not a directory)", path); + if (baseDir) { + /* Check if 'url' is a path (either absolute or relative + to 'baseDir'). If so, search upward to the root of the + repo (i.e. the directory containing .git). */ - if (!allowMissing && !pathExists(path + "/flake.nix")) - throw BadURL("path '%s' is not a flake (because it doesn't contain a 'flake.nix' file)", path); + path = absPath(path, baseDir, true); - auto fragment = percentDecode(std::string(match[3])); + if (!S_ISDIR(lstat(path).st_mode)) + throw BadURL("path '%s' is not a flake (because it's not a directory)", path); - auto flakeRoot = path; - std::string subdir; + if (!allowMissing && !pathExists(path + "/flake.nix")) + throw BadURL("path '%s' is not a flake (because it doesn't contain a 'flake.nix' file)", path); - while (flakeRoot != "/") { - if (pathExists(flakeRoot + "/.git")) { - auto base = std::string("git+file://") + flakeRoot; + auto flakeRoot = path; + std::string subdir; - auto parsedURL = ParsedURL{ - .url = base, // FIXME - .base = base, - .scheme = "git+file", - .authority = "", - .path = flakeRoot, - .query = decodeQuery(match[2]), - }; + while (flakeRoot != "/") { + if (pathExists(flakeRoot + "/.git")) { + auto base = std::string("git+file://") + flakeRoot; - if (subdir != "") { - if (parsedURL.query.count("dir")) - throw Error("flake URL '%s' has an inconsistent 'dir' parameter", url); - parsedURL.query.insert_or_assign("dir", subdir); + auto parsedURL = ParsedURL{ + .url = base, // FIXME + .base = base, + .scheme = "git+file", + .authority = "", + .path = flakeRoot, + .query = decodeQuery(match[2]), + }; + + if (subdir != "") { + if (parsedURL.query.count("dir")) + throw Error("flake URL '%s' has an inconsistent 'dir' parameter", url); + parsedURL.query.insert_or_assign("dir", subdir); + } + + if (pathExists(flakeRoot + "/.git/shallow")) + parsedURL.query.insert_or_assign("shallow", "1"); + + return std::make_pair( + FlakeRef(Input::fromURL(parsedURL), get(parsedURL.query, "dir").value_or("")), + fragment); } - if (pathExists(flakeRoot + "/.git/shallow")) - parsedURL.query.insert_or_assign("shallow", "1"); - - return std::make_pair( - FlakeRef(Input::fromURL(parsedURL), get(parsedURL.query, "dir").value_or("")), - fragment); + subdir = std::string(baseNameOf(flakeRoot)) + (subdir.empty() ? "" : "/" + subdir); + flakeRoot = dirOf(flakeRoot); } - subdir = std::string(baseNameOf(flakeRoot)) + (subdir.empty() ? "" : "/" + subdir); - flakeRoot = dirOf(flakeRoot); + } else { + if (!hasPrefix(path, "/")) + throw BadURL("flake reference '%s' is not an absolute path", url); + path = canonPath(path); } fetchers::Attrs attrs; diff --git a/tests/flakes.sh b/tests/flakes.sh index 25e1847e1..5aec563ac 100644 --- a/tests/flakes.sh +++ b/tests/flakes.sh @@ -18,7 +18,6 @@ registry=$TEST_ROOT/registry.json flake1Dir=$TEST_ROOT/flake1 flake2Dir=$TEST_ROOT/flake2 flake3Dir=$TEST_ROOT/flake3 -flake4Dir=$TEST_ROOT/flake4 flake5Dir=$TEST_ROOT/flake5 flake6Dir=$TEST_ROOT/flake6 flake7Dir=$TEST_ROOT/flake7 @@ -390,14 +389,12 @@ cat > $flake3Dir/flake.nix <