127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
#include "build-result.hh"
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#include "store-api.hh"
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#include "misc.hh"
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#include "util.hh"
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#include "regex.hh"
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using namespace nix;
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BuildResult getBuildResult(std::shared_ptr<StoreAPI> store, const Derivation & drv)
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{
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BuildResult res;
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/* Compute the closure size. */
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PathSet outputs;
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for (auto & output : drv.outputs)
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outputs.insert(output.second.path);
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PathSet closure;
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for (auto & output : outputs)
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computeFSClosure(*store, output, closure);
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for (auto & path : closure) {
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auto info = store->queryPathInfo(path);
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res.closureSize += info.narSize;
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if (outputs.find(path) != outputs.end()) res.size += info.narSize;
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}
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/* Get build products. */
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bool explicitProducts = false;
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Regex regex(
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"(([a-zA-Z0-9_-]+)" // type (e.g. "doc")
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"[[:space:]]+"
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"([a-zA-Z0-9_-]+)" // subtype (e.g. "readme")
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"[[:space:]]+"
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"(\"[^\"]+\"|[^[:space:]\"]+))" // path (may be quoted)
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"([[:space:]]+([^[:space:]]+))?" // entry point
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, true);
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for (auto & output : outputs) {
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Path failedFile = output + "/nix-support/failed";
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if (pathExists(failedFile)) res.failed = true;
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Path productsFile = output + "/nix-support/hydra-build-products";
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if (!pathExists(productsFile)) continue;
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explicitProducts = true;
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/* For security, resolve symlinks. */
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try {
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productsFile = canonPath(productsFile, true);
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} catch (Error & e) { continue; }
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if (!isInStore(productsFile)) continue;
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string contents;
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try {
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contents = readFile(productsFile);
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} catch (Error & e) { continue; }
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for (auto & line : tokenizeString<Strings>(contents, "\n")) {
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BuildProduct product;
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Regex::Subs subs;
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if (!regex.matches(line, subs)) continue;
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product.type = subs[1];
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product.subtype = subs[2];
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product.path = subs[3][0] == '"' ? string(subs[3], 1, subs[3].size() - 2) : subs[3];
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product.defaultPath = subs[5];
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/* Ensure that the path exists and points into the Nix
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store. */
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if (product.path == "" || product.path[0] != '/') continue;
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try {
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product.path = canonPath(product.path, true);
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} catch (Error & e) { continue; }
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if (!isInStore(product.path) || !pathExists(product.path)) continue;
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/* FIXME: check that the path is in the input closure
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of the build? */
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product.name = product.path == output ? "" : baseNameOf(product.path);
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struct stat st;
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if (stat(product.path.c_str(), &st))
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throw SysError(format("getting status of ‘%1%’") % product.path);
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if (S_ISREG(st.st_mode)) {
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product.isRegular = true;
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product.fileSize = st.st_size;
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product.sha1hash = hashFile(htSHA1, product.path);
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product.sha256hash = hashFile(htSHA256, product.path);
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}
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res.products.push_back(product);
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}
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}
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/* If no build products were explicitly declared, then add all
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outputs as a product of type "nix-build". */
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if (!explicitProducts) {
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for (auto & output : drv.outputs) {
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BuildProduct product;
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product.path = output.second.path;
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product.type = "nix-build";
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product.subtype = output.first == "out" ? "" : output.first;
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product.name = storePathToName(product.path);
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struct stat st;
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if (stat(product.path.c_str(), &st))
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throw SysError(format("getting status of ‘%1%’") % product.path);
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if (S_ISDIR(st.st_mode))
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res.products.push_back(product);
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}
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}
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/* Get the release name from $output/nix-support/hydra-release-name. */
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for (auto & output : outputs) {
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Path p = output + "/nix-support/hydra-release-name";
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if (!pathExists(p)) continue;
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try {
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res.releaseName = trim(readFile(p));
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} catch (Error & e) { continue; }
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// FIXME: validate release name
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}
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return res;
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}
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