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fix sourcehut brach/tag resolving regression

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nixos/nix#6290 introduced a regex pattern to account for tags when
resolving sourcehut refs. nixos/nix#4638 reafactored the code,
accidentally treating the pattern as a regular string, causing all
non-HEAD ref resolving to break.

This fixes the regression and adds more test cases to avoid future
breakage.
This commit is contained in:
Gabriel Fontes 2022-06-11 16:52:20 -03:00
parent 37fc4d73bb
commit 9f6b4639c2
No known key found for this signature in database
GPG key ID: 2E54EA7BFE630916
2 changed files with 17 additions and 5 deletions
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9
src/libfetchers/github.cc
View file

@ -381,7 +381,7 @@ struct SourceHutInputScheme : GitArchiveInputScheme
Headers headers = makeHeadersWithAuthTokens(host); Headers headers = makeHeadersWithAuthTokens(host);
std::string ref_uri; std::string refUri;
if (ref == "HEAD") { if (ref == "HEAD") {
auto file = store->toRealPath( auto file = store->toRealPath(
downloadFile(store, fmt("%s/HEAD", base_url), "source", false, headers).storePath); downloadFile(store, fmt("%s/HEAD", base_url), "source", false, headers).storePath);
@ -393,10 +393,11 @@ struct SourceHutInputScheme : GitArchiveInputScheme
if (!remoteLine) { if (!remoteLine) {
throw BadURL("in '%d', couldn't resolve HEAD ref '%d'", input.to_string(), ref); throw BadURL("in '%d', couldn't resolve HEAD ref '%d'", input.to_string(), ref);
} }
ref_uri = remoteLine->target; refUri = remoteLine->target;
} else { } else {
ref_uri = fmt("refs/(heads|tags)/%s", ref); refUri = fmt("refs/(heads|tags)/%s", ref);
} }
std::regex refRegex(refUri);
auto file = store->toRealPath( 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", false, headers).storePath);
@ -406,7 +407,7 @@ struct SourceHutInputScheme : GitArchiveInputScheme
std::optional<std::string> id; std::optional<std::string> id;
while(!id && getline(is, line)) { while(!id && getline(is, line)) {
auto parsedLine = git::parseLsRemoteLine(line); auto parsedLine = git::parseLsRemoteLine(line);
if (parsedLine && parsedLine->reference == ref_uri) if (parsedLine && parsedLine->reference && std::regex_match(*parsedLine->reference, refRegex))
id = parsedLine->target; id = parsedLine->target;
} }

13
tests/sourcehut-flakes.nix
View file

@ -59,7 +59,7 @@ let
echo 'ref: refs/heads/master' > $out/HEAD echo 'ref: refs/heads/master' > $out/HEAD
mkdir -p $out/info mkdir -p $out/info
echo -e '${nixpkgs.rev}\trefs/heads/master' > $out/info/refs echo -e '${nixpkgs.rev}\trefs/heads/master\n${nixpkgs.rev}\trefs/tags/foo-bar' > $out/info/refs
''; '';
in in
@ -132,6 +132,17 @@ makeTest (
client.succeed("curl -v https://git.sr.ht/ >&2") client.succeed("curl -v https://git.sr.ht/ >&2")
client.succeed("nix registry list | grep nixpkgs") client.succeed("nix registry list | grep nixpkgs")
# Test that it resolves HEAD
rev = client.succeed("nix flake info sourcehut:~NixOS/nixpkgs --json | jq -r .revision")
assert rev.strip() == "${nixpkgs.rev}", "revision mismatch"
# Test that it resolves branches
rev = client.succeed("nix flake info sourcehut:~NixOS/nixpkgs/master --json | jq -r .revision")
assert rev.strip() == "${nixpkgs.rev}", "revision mismatch"
# Test that it resolves tags
rev = client.succeed("nix flake info sourcehut:~NixOS/nixpkgs/foo-bar --json | jq -r .revision")
assert rev.strip() == "${nixpkgs.rev}", "revision mismatch"
# Registry and pinning test
rev = client.succeed("nix flake info nixpkgs --json | jq -r .revision") rev = client.succeed("nix flake info nixpkgs --json | jq -r .revision")
assert rev.strip() == "${nixpkgs.rev}", "revision mismatch" assert rev.strip() == "${nixpkgs.rev}", "revision mismatch"