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Merge pull request #9822 from obsidiansystems/algo-vs-hash-algo

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Start standardizing hash algo flags
This commit is contained in:
Théophane Hufschmitt 2024-01-22 11:08:24 +01:00 committed by GitHub
commit c8d33bca8d
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5 changed files with 30 additions and 24 deletions
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12
doc/manual/rl-next/nix-hash-convert.md
View File

@ -9,7 +9,7 @@ to stabilization! Examples:
- Convert the hash to `nix32`.
```bash
$ nix hash convert --algo "sha1" --to nix32 "800d59cfcd3c05e900cb4e214be48f6b886a08df"
$ nix hash convert --hash-algo "sha1" --to nix32 "800d59cfcd3c05e900cb4e214be48f6b886a08df"
vw46m23bizj4n8afrc0fj19wrp7mj3c0
```
`nix32` is a base32 encoding with a nix-specific character set.
@ -17,23 +17,23 @@ to stabilization! Examples:
hash.
- Convert the hash to the `sri` format that includes an algorithm specification:
```bash
nix hash convert --algo "sha1" "800d59cfcd3c05e900cb4e214be48f6b886a08df"
nix hash convert --hash-algo "sha1" "800d59cfcd3c05e900cb4e214be48f6b886a08df"
sha1-gA1Zz808BekAy04hS+SPa4hqCN8=
```
or with an explicit `-to` format:
```bash
nix hash convert --algo "sha1" --to sri "800d59cfcd3c05e900cb4e214be48f6b886a08df"
nix hash convert --hash-algo "sha1" --to sri "800d59cfcd3c05e900cb4e214be48f6b886a08df"
sha1-gA1Zz808BekAy04hS+SPa4hqCN8=
```
- Assert the input format of the hash:
```bash
nix hash convert --algo "sha256" --from nix32 "ungWv48Bz+pBQUDeXa4iI7ADYaOWF3qctBD/YfIAFa0="
nix hash convert --hash-algo "sha256" --from nix32 "ungWv48Bz+pBQUDeXa4iI7ADYaOWF3qctBD/YfIAFa0="
error: input hash 'ungWv48Bz+pBQUDeXa4iI7ADYaOWF3qctBD/YfIAFa0=' does not have the expected format '--from nix32'
nix hash convert --algo "sha256" --from nix32 "1b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s"
nix hash convert --hash-algo "sha256" --from nix32 "1b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s"
sha256-ungWv48Bz+pBQUDeXa4iI7ADYaOWF3qctBD/YfIAFa0=
```
The `--to`/`--from`/`--algo` parameters have context-sensitive auto-completion.
The `--to`/`--from`/`--hash-algo` parameters have context-sensitive auto-completion.
## Related Deprecations

6
src/libutil/args.hh
View File

@ -177,7 +177,13 @@ protected:
std::optional<ExperimentalFeature> experimentalFeature;
static Flag mkHashAlgoFlag(std::string && longName, HashAlgorithm * ha);
static Flag mkHashAlgoFlag(HashAlgorithm * ha) {
return mkHashAlgoFlag("hash-algo", ha);
}
static Flag mkHashAlgoOptFlag(std::string && longName, std::optional<HashAlgorithm> * oha);
static Flag mkHashAlgoOptFlag(std::optional<HashAlgorithm> * oha) {
return mkHashAlgoOptFlag("hash-algo", oha);
}
static Flag mkHashFormatFlagWithDefault(std::string && longName, HashFormat * hf);
static Flag mkHashFormatOptFlag(std::string && longName, std::optional<HashFormat> * ohf);
};

2
src/nix/add-to-store.cc
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@ -53,7 +53,7 @@ struct CmdAddToStore : MixDryRun, StoreCommand
}},
});
addFlag(Flag::mkHashAlgoFlag("hash-algo", &hashAlgo));
addFlag(Flag::mkHashAlgoFlag(&hashAlgo));
}
void run(ref<Store> store) override

2
src/nix/hash.cc
View File

@ -141,7 +141,7 @@ struct CmdHashConvert : Command
CmdHashConvert(): to(HashFormat::SRI) {
addFlag(Args::Flag::mkHashFormatOptFlag("from", &from));
addFlag(Args::Flag::mkHashFormatFlagWithDefault("to", &to));
addFlag(Args::Flag::mkHashAlgoOptFlag("algo", &algo));
addFlag(Args::Flag::mkHashAlgoOptFlag(&algo));
expectArgs({
.label = "hashes",
.handler = {&hashStrings},

32
tests/functional/hash.sh
View File

@ -87,7 +87,7 @@ try3() {
# $2 = expected hash in base16
# $3 = expected hash in base32
# $4 = expected hash in base64
h64=$(nix hash convert --algo "$1" --to base64 "$2")
h64=$(nix hash convert --hash-algo "$1" --to base64 "$2")
[ "$h64" = "$4" ]
h64=$(nix-hash --type "$1" --to-base64 "$2")
[ "$h64" = "$4" ]
@ -95,13 +95,13 @@ try3() {
h64=$(nix hash to-base64 --type "$1" "$2")
[ "$h64" = "$4" ]
sri=$(nix hash convert --algo "$1" --to sri "$2")
sri=$(nix hash convert --hash-algo "$1" --to sri "$2")
[ "$sri" = "$1-$4" ]
sri=$(nix-hash --type "$1" --to-sri "$2")
[ "$sri" = "$1-$4" ]
sri=$(nix hash to-sri --type "$1" "$2")
[ "$sri" = "$1-$4" ]
h32=$(nix hash convert --algo "$1" --to base32 "$2")
h32=$(nix hash convert --hash-algo "$1" --to base32 "$2")
[ "$h32" = "$3" ]
h32=$(nix-hash --type "$1" --to-base32 "$2")
[ "$h32" = "$3" ]
@ -110,7 +110,7 @@ try3() {
h16=$(nix-hash --type "$1" --to-base16 "$h32")
[ "$h16" = "$2" ]
h16=$(nix hash convert --algo "$1" --to base16 "$h64")
h16=$(nix hash convert --hash-algo "$1" --to base16 "$h64")
[ "$h16" = "$2" ]
h16=$(nix hash to-base16 --type "$1" "$h64")
[ "$h16" = "$2" ]
@ -143,40 +143,40 @@ try3() {
# Auto-detecting the input from algo and length.
#
sri=$(nix hash convert --algo "$1" "$2")
sri=$(nix hash convert --hash-algo "$1" "$2")
[ "$sri" = "$1-$4" ]
sri=$(nix hash convert --algo "$1" "$3")
sri=$(nix hash convert --hash-algo "$1" "$3")
[ "$sri" = "$1-$4" ]
sri=$(nix hash convert --algo "$1" "$4")
sri=$(nix hash convert --hash-algo "$1" "$4")
[ "$sri" = "$1-$4" ]
sri=$(nix hash convert --algo "$1" "$2")
sri=$(nix hash convert --hash-algo "$1" "$2")
[ "$sri" = "$1-$4" ]
sri=$(nix hash convert --algo "$1" "$3")
sri=$(nix hash convert --hash-algo "$1" "$3")
[ "$sri" = "$1-$4" ]
sri=$(nix hash convert --algo "$1" "$4")
sri=$(nix hash convert --hash-algo "$1" "$4")
[ "$sri" = "$1-$4" ]
#
# Asserting input format succeeds.
#
sri=$(nix hash convert --algo "$1" --from base16 "$2")
sri=$(nix hash convert --hash-algo "$1" --from base16 "$2")
[ "$sri" = "$1-$4" ]
sri=$(nix hash convert --algo "$1" --from nix32 "$3")
sri=$(nix hash convert --hash-algo "$1" --from nix32 "$3")
[ "$sri" = "$1-$4" ]
sri=$(nix hash convert --algo "$1" --from base64 "$4")
sri=$(nix hash convert --hash-algo "$1" --from base64 "$4")
[ "$sri" = "$1-$4" ]
#
# Asserting input format fails.
#
fail=$(nix hash convert --algo "$1" --from nix32 "$2" 2>&1 || echo "exit: $?")
fail=$(nix hash convert --hash-algo "$1" --from nix32 "$2" 2>&1 || echo "exit: $?")
[[ "$fail" == *"error: input hash"*"exit: 1" ]]
fail=$(nix hash convert --algo "$1" --from base16 "$3" 2>&1 || echo "exit: $?")
fail=$(nix hash convert --hash-algo "$1" --from base16 "$3" 2>&1 || echo "exit: $?")
[[ "$fail" == *"error: input hash"*"exit: 1" ]]
fail=$(nix hash convert --algo "$1" --from nix32 "$4" 2>&1 || echo "exit: $?")
fail=$(nix hash convert --hash-algo "$1" --from nix32 "$4" 2>&1 || echo "exit: $?")
[[ "$fail" == *"error: input hash"*"exit: 1" ]]
}