diff options
Diffstat (limited to 'src/libstore/nar-accessor.hh')
| -rw-r--r-- | src/libstore/nar-accessor.hh | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/libstore/nar-accessor.hh b/src/libstore/nar-accessor.hh index ed8fe15cad23..1903355a236e 100644 --- a/src/libstore/nar-accessor.hh +++ b/src/libstore/nar-accessor.hh @@ -8,6 +8,16 @@ namespace nix { file. */ ref<FSAccessor> makeNarAccessor(ref<const std::string> nar); +/* Create a NAR accessor from a NAR listing (in the format produced by + listNar()). The callback getNarBytes(offset, length) is used by the + readFile() method of the accessor to get the contents of files + inside the NAR. */ +typedef std::function<std::string(uint64_t, uint64_t)> GetNarBytes; + +ref<FSAccessor> makeLazyNarAccessor( + const std::string & listing, + GetNarBytes getNarBytes); + class JSONPlaceholder; /* Write a JSON representation of the contents of a NAR (except file |