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* Flags --to-base32' and --to-base16' to convert between hex and

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base-32 hashes.
This commit is contained in:
Eelco Dolstra 2006-03-01 18:05:47 +00:00
parent e136532800
commit 70dee0f8ca
1 changed files with 19 additions and 2 deletions
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21
src/nix-hash/nix-hash.cc
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@ -17,7 +17,10 @@ void run(Strings args)
bool flat = false; bool flat = false;
bool base32 = false; bool base32 = false;
bool truncate = false; bool truncate = false;
enum { opHash, opTo32, opTo16 } op = opHash;
Strings ss;
for (Strings::iterator i = args.begin(); for (Strings::iterator i = args.begin();
i != args.end(); i++) i != args.end(); i++)
{ {
@ -31,13 +34,27 @@ void run(Strings args)
if (ht == htUnknown) if (ht == htUnknown)
throw UsageError(format("unknown hash type `%1%'") % *i); throw UsageError(format("unknown hash type `%1%'") % *i);
} }
else { else if (*i == "--to-base16") op = opTo16;
else if (*i == "--to-base32") op = opTo32;
else ss.push_back(*i);
}
if (op == opHash) {
for (Strings::iterator i = ss.begin(); i != ss.end(); ++i) {
Hash h = flat ? hashFile(ht, *i) : hashPath(ht, *i); Hash h = flat ? hashFile(ht, *i) : hashPath(ht, *i);
if (truncate && h.hashSize > 20) h = compressHash(h, 20); if (truncate && h.hashSize > 20) h = compressHash(h, 20);
cout << format("%1%\n") % cout << format("%1%\n") %
(base32 ? printHash32(h) : printHash(h)); (base32 ? printHash32(h) : printHash(h));
} }
} }
else {
for (Strings::iterator i = ss.begin(); i != ss.end(); ++i) {
Hash h = op == opTo16 ? parseHash32(ht, *i) : parseHash(ht, *i);
cout << format("%1%\n") %
(op == opTo16 ? printHash(h) : printHash32(h));
}
}
} }