Elaborate the "unknown hash algorithm" error

List the allowed hash formats
NixOS · Oct 18, 2023 · aff177d · aff177d
1 parent e9ddf0b
commit aff177d
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/libexpr/tests/error_traces.cc b/src/libexpr/tests/error_traces.cc
@@ -1084,7 +1084,7 @@ namespace nix {
 
  ASSERT_TRACE1("hashString \"foo\" \"content\"",
  UsageError,
- hintfmt("unknown hash algorithm '%s'", "foo"));
+ hintfmt("unknown hash algorithm '%s', expect 'md5', 'sha1', 'sha256', or 'sha512'", "foo"));
 
  ASSERT_TRACE2("hashString \"sha256\" {}",
  TypeError,

diff --git a/src/libutil/hash.cc b/src/libutil/hash.cc
@@ -401,7 +401,7 @@ HashType parseHashType(std::string_view s)
  if (opt_h)
  return *opt_h;
  else
- throw UsageError("unknown hash algorithm '%1%'", s);
+ throw UsageError("unknown hash algorithm '%1%', expect 'md5', 'sha1', 'sha256', or 'sha512'", s);
 }
 
 std::string_view printHashType(HashType ht)