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Author SHA1 Message Date
Yueh-Shun Li c27d358abb nix-hash: support base-64 and SRI format
Add the --base64 and --sri flags for the Base64 and SRI format output.

Add the --base16 flag to explicitly specify the hexadecimal format.

Add the --to-base64 and --to-sri flag to convert a hash to the above
mentioned format.
2023-03-16 03:08:42 +08:00
Yueh-Shun Li 08510c5ed0 test/hash.sh: add to-base32 test for nix hash 2023-03-16 00:50:26 +08:00
Yueh-Shun Li 2f32303f93 tests/hash.sh: try: Use FORMAT_FLAG instead of EXTRA
Do not rely on the "multiple format flag specified" behavior.

Explicitly test without the format flag / with the --base16 flag.
2023-03-16 00:49:57 +08:00
John Ericson c11836126b Harden tests' bash
Use `set -u` and `set -o pipefail` to catch accidental mistakes and
failures more strongly.

 - `set -u` catches the use of undefined variables
 - `set -o pipefail` catches failures (like `set -e`) earlier in the
   pipeline.

This makes the tests a bit more robust. It is nice to read code not
worrying about these spurious success paths (via uncaught) errors
undermining the tests. Indeed, I caught some bugs doing this.

There are a few tests where we run a command that should fail, and then
search its output to make sure the failure message is one that we
expect. Before, since the `grep` was the last command in the pipeline
the exit code of those failing programs was silently ignored. Now with
`set -o pipefail` it won't be, and we have to do something so the
expected failure doesn't accidentally fail the test.

To do that we use `expect` and a new `expectStderr` to check for the
exact failing exit code. See the comments on each for why.

`grep -q` is replaced with `grepQuiet`, see the comments on that
function for why.

`grep -v` when we just want the exit code is replaced with `grepInverse,
see the comments on that function for why.

`grep -q -v` together is, surprise surprise, replaced with
`grepQuietInverse`, which is both combined.

Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2023-03-08 10:26:30 -05:00
Eelco Dolstra b2d6c6161e Move 'nix hash-*' and 'nix to-*' to 'nix hash'
From the 'nix' UX review.
2020-12-03 17:55:55 +01:00
Eelco Dolstra 6024dc1d97
Support SRI hashes
SRI hashes (https://www.w3.org/TR/SRI/) combine the hash algorithm and
a base-64 hash. This allows more concise and standard hash
specifications. For example, instead of

  import <nix/fetchurl.nl> {
    url = https://nixos.org/releases/nix/nix-2.1.3/nix-2.1.3.tar.xz;
    sha256 = "5d22dad058d5c800d65a115f919da22938c50dd6ba98c5e3a183172d149840a4";
  };

you can write

  import <nix/fetchurl.nl> {
    url = https://nixos.org/releases/nix/nix-2.1.3/nix-2.1.3.tar.xz;
    hash = "sha256-XSLa0FjVyADWWhFfkZ2iKTjFDda6mMXjoYMXLRSYQKQ=";
  };

In fixed-output derivations, the outputHashAlgo is no longer mandatory
if outputHash specifies the hash (either as an SRI or in the old
"<type>:<hash>" format).

'nix hash-{file,path}' now print hashes in SRI format by default. I
also reverted them to use SHA-256 by default because that's what we're
using most of the time in Nixpkgs.

Suggested by @zimbatm.
2018-12-13 14:30:52 +01:00
Eelco Dolstra c0015e87af
Support base-64 hashes
Also simplify the Hash API.

Fixes .
2017-07-04 15:07:41 +02:00
Eelco Dolstra 6f1743b1a5 Support SHA-512 hashes
Fixes .

Note: on x86_64, SHA-512 is considerably faster than SHA-256 (198 MB/s
versus 131 MB/s).
2015-11-04 16:37:49 +01:00
Eelco Dolstra ea402a255f Replace "make check" with "make installcheck"
Ensuring that the tests work from the build tree requires a growing
number of nasty hacks.  The tests also don't verify that the installed
Nix actually works.  Thus, the tests now require "make install" to
have been run.
2012-03-19 01:20:02 +01:00
Eelco Dolstra 8af7d766f0 * Refactoring: remove unnecessary variables from the tests. 2011-10-10 21:32:34 +00:00
Eelco Dolstra 485d71c54a * Mac OS X 10.5 compatibility: echo -n foo' suddenly prints -n foo'
instead of `foo' without a newline (with /bin/sh, not /bin/bash,
  even though /bin/sh is also bash...).  So use printf instead.
2007-12-14 14:08:09 +00:00
Eelco Dolstra 2167bf6b72 * Tests to prevent a repeat of the parseHash32 debacle. 2006-03-01 18:11:41 +00:00
Eelco Dolstra 84c4631221 * Simplification. 2006-03-01 12:51:18 +00:00
Eelco Dolstra a4c63c6e8e * Make it easy to run individual tests from the command line. 2006-03-01 12:15:33 +00:00
Eelco Dolstra 590e5a0d65 * Add a test for base-32 encoding of hashes since it seems to be
broken on Mac OS X.
2005-03-23 17:13:42 +00:00
Eelco Dolstra a7b94e87d7 * Missing file. 2005-01-14 13:50:09 +00:00