diff options
| -rw-r--r-- | src/libexpr/flake/flake.hh | 2 | ||||
| -rw-r--r-- | src/libexpr/primops/fetchTree.cc | 17 | ||||
| -rw-r--r-- | tests/fetchGit.sh | 4 |
3 files changed, 17 insertions, 6 deletions
diff --git a/src/libexpr/flake/flake.hh b/src/libexpr/flake/flake.hh index 77f3abdeb..c2bb2888b 100644 --- a/src/libexpr/flake/flake.hh +++ b/src/libexpr/flake/flake.hh @@ -106,6 +106,6 @@ void emitTreeAttrs( EvalState & state, const fetchers::Tree & tree, const fetchers::Input & input, - Value & v); + Value & v, bool emptyRevFallback = false); } diff --git a/src/libexpr/primops/fetchTree.cc b/src/libexpr/primops/fetchTree.cc index 887d2d14f..cddcf0e59 100644 --- a/src/libexpr/primops/fetchTree.cc +++ b/src/libexpr/primops/fetchTree.cc @@ -14,7 +14,8 @@ void emitTreeAttrs( EvalState & state, const fetchers::Tree & tree, const fetchers::Input & input, - Value & v) + Value & v, + bool emptyRevFallback) { assert(input.isImmutable()); @@ -34,6 +35,11 @@ void emitTreeAttrs( if (auto rev = input.getRev()) { mkString(*state.allocAttr(v, state.symbols.create("rev")), rev->gitRev()); mkString(*state.allocAttr(v, state.symbols.create("shortRev")), rev->gitShortRev()); + } else if (emptyRevFallback) { + // Backwards compat for `builtins.fetchGit`: dirty repos return an empty sha1 as rev + auto emptyHash = Hash(htSHA1); + mkString(*state.allocAttr(v, state.symbols.create("rev")), emptyHash.gitRev()); + mkString(*state.allocAttr(v, state.symbols.create("shortRev")), emptyHash.gitRev()); } if (input.getType() == "git") @@ -41,6 +47,8 @@ void emitTreeAttrs( if (auto revCount = input.getRevCount()) mkInt(*state.allocAttr(v, state.symbols.create("revCount")), *revCount); + else if (emptyRevFallback) + mkInt(*state.allocAttr(v, state.symbols.create("revCount")), 0); if (auto lastModified = input.getLastModified()) { mkInt(*state.allocAttr(v, state.symbols.create("lastModified")), *lastModified); @@ -68,7 +76,8 @@ static void fetchTree( const Pos &pos, Value **args, Value &v, - const std::optional<std::string> type + const std::optional<std::string> type, + bool emptyRevFallback = false ) { fetchers::Input input; PathSet context; @@ -134,7 +143,7 @@ static void fetchTree( if (state.allowedPaths) state.allowedPaths->insert(tree.actualPath); - emitTreeAttrs(state, tree, input2, v); + emitTreeAttrs(state, tree, input2, v, emptyRevFallback); } static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, Value & v) @@ -224,7 +233,7 @@ static void prim_fetchTarball(EvalState & state, const Pos & pos, Value * * args static void prim_fetchGit(EvalState &state, const Pos &pos, Value **args, Value &v) { - fetchTree(state, pos, args, v, "git"); + fetchTree(state, pos, args, v, "git", true); } static RegisterPrimOp r2("__fetchurl", 1, prim_fetchurl); diff --git a/tests/fetchGit.sh b/tests/fetchGit.sh index 1b9364e60..cedd796f7 100644 --- a/tests/fetchGit.sh +++ b/tests/fetchGit.sh @@ -89,6 +89,8 @@ path2=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath") [ ! -e $path2/.git ] [[ $(cat $path2/dir1/foo) = foo ]] +[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]] + # ... unless we're using an explicit ref or rev. path3=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; ref = \"master\"; }).outPath") [[ $path = $path3 ]] @@ -129,7 +131,7 @@ path2=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).outPath # Using local path with branch other than 'master' should work when clean or dirty path3=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath") # (check dirty-tree handling was used) -[[ $(nix eval --impure --expr "(builtins.fetchGit $repo).rev or null") = null ]] +[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]] # Committing shouldn't change store path, or switch to using 'master' git -C $repo commit -m 'Bla5' -a |