diff options
Diffstat (limited to 'third_party/nix/src/libexpr/primops/fetchGit.cc')
-rw-r--r-- | third_party/nix/src/libexpr/primops/fetchGit.cc | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/third_party/nix/src/libexpr/primops/fetchGit.cc b/third_party/nix/src/libexpr/primops/fetchGit.cc index 839094b72b53..7262a291559f 100644 --- a/third_party/nix/src/libexpr/primops/fetchGit.cc +++ b/third_party/nix/src/libexpr/primops/fetchGit.cc @@ -30,9 +30,8 @@ std::regex revRegex("^[0-9a-fA-F]{40}$"); GitInfo exportGit(ref<Store> store, const std::string& uri, std::optional<std::string> ref, std::string rev, const std::string& name) { - if (evalSettings.pureEval && rev == "") { + if (evalSettings.pureEval && rev == "") throw Error("in pure evaluation mode, 'fetchGit' requires a Git revision"); - } if (!ref && rev == "" && absl::StartsWith(uri, "/") && pathExists(uri + "/.git")) { @@ -91,9 +90,8 @@ GitInfo exportGit(ref<Store> store, const std::string& uri, ref = "HEAD"s; } - if (rev != "" && !std::regex_match(rev, revRegex)) { + if (rev != "" && !std::regex_match(rev, revRegex)) throw Error("invalid Git revision '%s'", rev); - } deletePath(getCacheDir() + "/nix/git"); @@ -106,13 +104,12 @@ GitInfo exportGit(ref<Store> store, const std::string& uri, } Path localRefFile; - if (ref->compare(0, 5, "refs/") == 0) { + if (ref->compare(0, 5, "refs/") == 0) localRefFile = cacheDir + "/" + *ref; - } else { + else localRefFile = cacheDir + "/refs/heads/" + *ref; - } - bool doFetch = 0; + bool doFetch; time_t now = time(0); /* If a rev was specified, we need to fetch if it's not in the repo. */ @@ -130,10 +127,9 @@ GitInfo exportGit(ref<Store> store, const std::string& uri, } else { /* If the local ref is older than ‘tarball-ttl’ seconds, do a git fetch to update the local ref to the remote ref. */ - struct stat st {}; + struct stat st; doFetch = stat(localRefFile.c_str(), &st) != 0 || - static_cast<uint64_t>(st.st_mtime) + settings.tarballTtl <= - static_cast<uint64_t>(now); + (uint64_t)st.st_mtime + settings.tarballTtl <= (uint64_t)now; } if (doFetch) { DLOG(INFO) << "fetching Git repository '" << uri << "'"; @@ -229,24 +225,22 @@ static void prim_fetchGit(EvalState& state, const Pos& pos, Value** args, for (auto& attr_iter : *args[0]->attrs) { auto& attr = attr_iter.second; std::string n(attr.name); - if (n == "url") { + if (n == "url") url = state.coerceToString(*attr.pos, *attr.value, context, false, false); - } else if (n == "ref") { + else if (n == "ref") ref = state.forceStringNoCtx(*attr.value, *attr.pos); - } else if (n == "rev") { + else if (n == "rev") rev = state.forceStringNoCtx(*attr.value, *attr.pos); - } else if (n == "name") { + else if (n == "name") name = state.forceStringNoCtx(*attr.value, *attr.pos); - } else { + else throw EvalError("unsupported argument '%s' to 'fetchGit', at %s", attr.name, *attr.pos); - } } - if (url.empty()) { + if (url.empty()) throw EvalError(format("'url' argument required, at %1%") % pos); - } } else { url = state.coerceToString(pos, *args[0], context, false, false); |