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-rw-r--r--src/libexpr/primops/fetchGit.cc127
-rw-r--r--src/libexpr/primops/fetchGit.hh2
-rw-r--r--src/libstore/http-binary-cache-store.cc5
3 files changed, 83 insertions, 51 deletions
diff --git a/src/libexpr/primops/fetchGit.cc b/src/libexpr/primops/fetchGit.cc
index 3a6830cb7..eb95208de 100644
--- a/src/libexpr/primops/fetchGit.cc
+++ b/src/libexpr/primops/fetchGit.cc
@@ -18,14 +18,19 @@ namespace nix {
extern std::regex revRegex;
-GitInfo exportGit(ref<Store> store, const std::string & uri,
+GitInfo exportGit(ref<Store> store, std::string uri,
std::optional<std::string> ref,
std::optional<Hash> rev,
const std::string & name)
{
assert(!rev || rev->type == htSHA1);
- if (!ref && !rev && hasPrefix(uri, "/") && pathExists(uri + "/.git")) {
+ bool isLocal = hasPrefix(uri, "/") && pathExists(uri + "/.git");
+
+ // If this is a local directory (but not a file:// URI) and no ref
+ // or revision is given, then allow the use of an unclean working
+ // tree.
+ if (!ref && !rev && isLocal) {
bool clean = true;
@@ -66,67 +71,92 @@ GitInfo exportGit(ref<Store> store, const std::string & uri,
return gitInfo;
}
-
- // clean working tree, but no ref or rev specified. Use 'HEAD'.
- rev = Hash(chomp(runProgram("git", true, { "-C", uri, "rev-parse", "HEAD" })), htSHA1);
}
- if (!ref) ref = "HEAD"s;
+ if (!ref) ref = isLocal ? "HEAD" : "master";
+
+ // Don't clone file:// URIs (but otherwise treat them the same as
+ // remote URIs, i.e. don't use the working tree or HEAD).
+ static bool forceHttp = getEnv("_NIX_FORCE_HTTP") == "1"; // for testing
+ if (!forceHttp && hasPrefix(uri, "file://")) {
+ uri = std::string(uri, 7);
+ isLocal = true;
+ }
deletePath(getCacheDir() + "/nix/git");
Path cacheDir = getCacheDir() + "/nix/gitv2/" + hashString(htSHA256, uri).to_string(Base32, false);
+ Path repoDir;
- if (!pathExists(cacheDir)) {
- createDirs(dirOf(cacheDir));
- runProgram("git", true, { "init", "--bare", cacheDir });
- }
+ if (isLocal) {
- Path localRefFile = cacheDir + "/refs/heads/" + *ref;
+ if (!rev)
+ rev = Hash(chomp(runProgram("git", true, { "-C", uri, "rev-parse", *ref })), htSHA1);
- bool doFetch;
- time_t now = time(0);
- /* If a rev was specified, we need to fetch if it's not in the
- repo. */
- if (rev) {
- try {
- runProgram("git", true, { "-C", cacheDir, "cat-file", "-e", rev->gitRev() });
- doFetch = false;
- } catch (ExecError & e) {
- if (WIFEXITED(e.status)) {
- doFetch = true;
- } else {
- throw;
+ if (!pathExists(cacheDir))
+ createDirs(cacheDir);
+
+ repoDir = uri;
+
+ } else {
+
+ repoDir = cacheDir;
+
+ if (!pathExists(cacheDir)) {
+ createDirs(dirOf(cacheDir));
+ runProgram("git", true, { "init", "--bare", repoDir });
+ }
+
+ Path localRefFile = repoDir + "/refs/heads/" + *ref;
+
+ bool doFetch;
+ time_t now = time(0);
+
+ /* If a rev was specified, we need to fetch if it's not in the
+ repo. */
+ if (rev) {
+ try {
+ runProgram("git", true, { "-C", repoDir, "cat-file", "-e", rev->gitRev() });
+ doFetch = false;
+ } catch (ExecError & e) {
+ if (WIFEXITED(e.status)) {
+ doFetch = true;
+ } else {
+ throw;
+ }
}
+ } 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;
+ doFetch = stat(localRefFile.c_str(), &st) != 0 ||
+ st.st_mtime + settings.tarballTtl <= now;
}
- } 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;
- doFetch = stat(localRefFile.c_str(), &st) != 0 ||
- st.st_mtime + settings.tarballTtl <= now;
- }
- if (doFetch)
- {
- Activity act(*logger, lvlTalkative, actUnknown, fmt("fetching Git repository '%s'", uri));
- // FIXME: git stderr messes up our progress indicator, so
- // we're using --quiet for now. Should process its stderr.
- runProgram("git", true, { "-C", cacheDir, "fetch", "--quiet", "--force", "--", uri, fmt("%s:%s", *ref, *ref) });
+ if (doFetch) {
+ Activity act(*logger, lvlTalkative, actUnknown, fmt("fetching Git repository '%s'", uri));
+
+ // FIXME: git stderr messes up our progress indicator, so
+ // we're using --quiet for now. Should process its stderr.
+ runProgram("git", true, { "-C", repoDir, "fetch", "--quiet", "--force", "--", uri, fmt("%s:%s", *ref, *ref) });
- struct timeval times[2];
- times[0].tv_sec = now;
- times[0].tv_usec = 0;
- times[1].tv_sec = now;
- times[1].tv_usec = 0;
+ struct timeval times[2];
+ times[0].tv_sec = now;
+ times[0].tv_usec = 0;
+ times[1].tv_sec = now;
+ times[1].tv_usec = 0;
+
+ utimes(localRefFile.c_str(), times);
+ }
- utimes(localRefFile.c_str(), times);
+ if (!rev)
+ rev = Hash(chomp(readFile(localRefFile)), htSHA1);
}
// FIXME: check whether rev is an ancestor of ref.
GitInfo gitInfo;
gitInfo.ref = *ref;
- gitInfo.rev = rev ? *rev : Hash(chomp(readFile(localRefFile)), htSHA1);
+ gitInfo.rev = *rev;
printTalkative("using revision %s of repo '%s'", gitInfo.rev, uri);
@@ -140,9 +170,10 @@ GitInfo exportGit(ref<Store> store, const std::string & uri,
assert(json["name"] == name && Hash((std::string) json["rev"], htSHA1) == gitInfo.rev);
- gitInfo.storePath = json["storePath"];
+ Path storePath = json["storePath"];
- if (store->isValidPath(gitInfo.storePath)) {
+ if (store->isValidPath(storePath)) {
+ gitInfo.storePath = storePath;
gitInfo.revCount = json["revCount"];
return gitInfo;
}
@@ -153,7 +184,7 @@ GitInfo exportGit(ref<Store> store, const std::string & uri,
// FIXME: should pipe this, or find some better way to extract a
// revision.
- auto tar = runProgram("git", true, { "-C", cacheDir, "archive", gitInfo.rev.gitRev() });
+ auto tar = runProgram("git", true, { "-C", repoDir, "archive", gitInfo.rev.gitRev() });
Path tmpDir = createTempDir();
AutoDelete delTmpDir(tmpDir, true);
@@ -162,7 +193,7 @@ GitInfo exportGit(ref<Store> store, const std::string & uri,
gitInfo.storePath = store->addToStore(name, tmpDir);
- gitInfo.revCount = std::stoull(runProgram("git", true, { "-C", cacheDir, "rev-list", "--count", gitInfo.rev.gitRev() }));
+ gitInfo.revCount = std::stoull(runProgram("git", true, { "-C", repoDir, "rev-list", "--count", gitInfo.rev.gitRev() }));
nlohmann::json json;
json["storePath"] = gitInfo.storePath;
diff --git a/src/libexpr/primops/fetchGit.hh b/src/libexpr/primops/fetchGit.hh
index a867f38f6..32e748f98 100644
--- a/src/libexpr/primops/fetchGit.hh
+++ b/src/libexpr/primops/fetchGit.hh
@@ -14,7 +14,7 @@ struct GitInfo
std::optional<uint64_t> revCount;
};
-GitInfo exportGit(ref<Store> store, const std::string & uri,
+GitInfo exportGit(ref<Store> store, std::string uri,
std::optional<std::string> ref,
std::optional<Hash> rev,
const std::string & name);
diff --git a/src/libstore/http-binary-cache-store.cc b/src/libstore/http-binary-cache-store.cc
index 8da0e2f9d..105e1dcdd 100644
--- a/src/libstore/http-binary-cache-store.cc
+++ b/src/libstore/http-binary-cache-store.cc
@@ -160,10 +160,11 @@ static RegisterStoreImplementation regStore([](
const std::string & uri, const Store::Params & params)
-> std::shared_ptr<Store>
{
+ static bool forceHttp = getEnv("_NIX_FORCE_HTTP") == "1";
if (std::string(uri, 0, 7) != "http://" &&
std::string(uri, 0, 8) != "https://" &&
- (getEnv("_NIX_FORCE_HTTP_BINARY_CACHE_STORE") != "1" || std::string(uri, 0, 7) != "file://")
- ) return 0;
+ (!forceHttp || std::string(uri, 0, 7) != "file://"))
+ return 0;
auto store = std::make_shared<HttpBinaryCacheStore>(params, uri);
store->init();
return store;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 19:43:40 +0000