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Merge pull request #5257 from edolstra/dirty-lock-file

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If we can't write a lock file, pretend the top-level flake is dirty
This commit is contained in:
Eelco Dolstra 2021-09-15 20:18:23 +02:00 • committed by GitHub
commit 1ec4efa6c8
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4 changed files with 38 additions and 27 deletions
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37
src/libexpr/primops/fetchTree.cc
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@ -16,7 +16,8 @@ void emitTreeAttrs(
const fetchers::Tree & tree,
const fetchers::Input & input,
Value & v,
bool emptyRevFallback)
bool emptyRevFallback,
bool forceDirty)
{
assert(input.isImmutable());
@ -33,24 +34,28 @@ void emitTreeAttrs(
mkString(*state.allocAttr(v, state.symbols.create("narHash")),
narHash->to_string(SRI, true));
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.gitShortRev());
}
if (input.getType() == "git")
mkBool(*state.allocAttr(v, state.symbols.create("submodules")),
fetchers::maybeGetBoolAttr(input.attrs, "submodules").value_or(true));
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 (!forceDirty) {
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.gitShortRev());
}
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);
@ -167,7 +172,7 @@ static void fetchTree(
if (state.allowedPaths)
state.allowedPaths->insert(tree.actualPath);
emitTreeAttrs(state, tree, input2, v, params.emptyRevFallback);
emitTreeAttrs(state, tree, input2, v, params.emptyRevFallback, false);
}
static void prim_fetchTree(EvalState & state, const Pos & pos, Value * * args, Value & v)