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fetchTree: Disallow combination of submodules and exportIgnore for now

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This commit is contained in:
Robert Hensing 2024-01-05 19:49:39 +01:00
parent 71d08af15b
commit 692e9197bc
3 changed files with 32 additions and 13 deletions
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8
src/libexpr/primops/fetchTree.cc
View file

@ -1,3 +1,4 @@
#include "libfetchers/attrs.hh"
#include "primops.hh"
#include "eval-inline.hh"
#include "eval-settings.hh"
@ -139,9 +140,7 @@ static void fetchTree(
state.symbols[attr.name], showType(*attr.value)));
}
if (params.isFetchGit && !attrs.contains("exportIgnore")) {
// Default value; user attrs are assigned later.
// FIXME: exportIgnore := !submodules
if (params.isFetchGit && !attrs.contains("exportIgnore") && (!attrs.contains("submodules") || !*fetchers::maybeGetBoolAttr(attrs, "submodules"))) {
attrs.emplace("exportIgnore", Explicit<bool>{true});
}
@ -162,8 +161,7 @@ static void fetchTree(
fetchers::Attrs attrs;
attrs.emplace("type", "git");
attrs.emplace("url", fixGitURL(url));
if (!attrs.contains("exportIgnore")) {
// FIXME: exportIgnore := !submodules
if (!attrs.contains("exportIgnore") && (!attrs.contains("submodules") || !*fetchers::maybeGetBoolAttr(attrs, "submodules"))) {
attrs.emplace("exportIgnore", Explicit<bool>{true});
}
input = fetchers::Input::fromAttrs(std::move(attrs));

11
src/libfetchers/git.cc
View file

@ -1,3 +1,4 @@
#include "error.hh"
#include "fetchers.hh"
#include "users.hh"
#include "cache.hh"
@ -739,6 +740,16 @@ struct GitInputScheme : InputScheme
auto repoInfo = getRepoInfo(input);
if (getExportIgnoreAttr(input)
&& getSubmodulesAttr(input)) {
/* In this situation, we don't have a git CLI behavior that we can copy.
`git archive` does not support submodules, so it is unclear whether
rules from the parent should affect the submodule or not.
When git may eventually implement this, we need Nix to match its
behavior. */
throw UnimplementedError("exportIgnore and submodules are not supported together yet");
}
auto [accessor, final] =
input.getRef() || input.getRev() || !repoInfo.isLocal
? getAccessorFromCommit(store, repoInfo, std::move(input))