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Proper parse and render functions for FileIngestionMethod and ContentAddressMethod

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No outward facing behavior is changed.

Older methods with same names that operate on on method + algo pair (for
old-style `<method>:algo`) are renamed to `*WithAlgo`.)

The functions are unit-tested in the same way the names for the hash
algorithms are tested.
This commit is contained in:
John Ericson 2024-02-13 09:54:07 -05:00
parent fb5a438dca
commit 41dd9857c7
10 changed files with 162 additions and 30 deletions
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25
src/libutil/file-content-address.cc
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@ -3,6 +3,31 @@
namespace nix {
FileIngestionMethod parseFileIngestionMethod(std::string_view input)
{
if (input == "flat") {
return FileIngestionMethod::Flat;
} else if (input == "nar") {
return FileIngestionMethod::Recursive;
} else {
throw UsageError("Unknown file ingestion method '%s', expect `flat` or `nar`");
}
}
std::string_view renderFileIngestionMethod(FileIngestionMethod method)
{
switch (method) {
case FileIngestionMethod::Flat:
return "flat";
case FileIngestionMethod::Recursive:
return "nar";
default:
assert(false);
}
}
void dumpPath(
SourceAccessor & accessor, const CanonPath & path,
Sink & sink,