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downloadFile(): Remove the "locked" (aka "immutable") flag

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This was used in only one place, namely builtins.fetchurl with an
expected hash. Since this can cause similar issues as described
in #9814 and #9905 with the "locked" flag for fetchTarball and fetchTree,
let's just remove it.

Note that if an expected hash is given and the hash algorithm is
SHA-256, then we will never do a download anyway if the resulting
store path already exists. So removing the "locked" flag will only
cause potentially unnecessary HTTP requests (subject to the tarball
TTL) for non-SHA-256 hashes.
This commit is contained in:
Eelco Dolstra 2024-04-05 16:35:12 +02:00
parent 334874d101
commit d29786f258
6 changed files with 11 additions and 13 deletions
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8
src/libfetchers/github.cc
View file

@ -357,7 +357,7 @@ struct GitHubInputScheme : GitArchiveInputScheme
auto json = nlohmann::json::parse(
readFile(
store->toRealPath(
downloadFile(store, url, "source", false, headers).storePath)));
downloadFile(store, url, "source", headers).storePath)));
return RefInfo {
.rev = Hash::parseAny(std::string { json["sha"] }, HashAlgorithm::SHA1),
@ -431,7 +431,7 @@ struct GitLabInputScheme : GitArchiveInputScheme
auto json = nlohmann::json::parse(
readFile(
store->toRealPath(
downloadFile(store, url, "source", false, headers).storePath)));
downloadFile(store, url, "source", headers).storePath)));
return RefInfo {
.rev = Hash::parseAny(std::string(json[0]["id"]), HashAlgorithm::SHA1)
@ -495,7 +495,7 @@ struct SourceHutInputScheme : GitArchiveInputScheme
std::string refUri;
if (ref == "HEAD") {
auto file = store->toRealPath(
downloadFile(store, fmt("%s/HEAD", base_url), "source", false, headers).storePath);
downloadFile(store, fmt("%s/HEAD", base_url), "source", headers).storePath);
std::ifstream is(file);
std::string line;
getline(is, line);
@ -511,7 +511,7 @@ struct SourceHutInputScheme : GitArchiveInputScheme
std::regex refRegex(refUri);
auto file = store->toRealPath(
downloadFile(store, fmt("%s/info/refs", base_url), "source", false, headers).storePath);
downloadFile(store, fmt("%s/info/refs", base_url), "source", headers).storePath);
std::ifstream is(file);
std::string line;