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authorjade <lix@jade.fyi>2024-07-01 16:11:32 +0000
committerGerrit Code Review <gerrit@localhost>2024-07-01 16:11:32 +0000
commitd3286d0990da111c536c2f879d8f9cbbd650ebae (patch)
tree41cc3c6e9c5d4ab90f0ae87080cddef6cd6ce792 /doc
parent010ff57ebb40f1a9aaff99867d2886f0e59f774a (diff)
parentd85309f7ca154c014cf53777c76df5af44b50500 (diff)
Merge changes Ie29a8a89,I873eedcf into main
* changes: store: delete obsolete lsof-disabling code store: guess the URL of failing fixed-output derivations
Diffstat (limited to 'doc')
-rw-r--r--doc/manual/rl-next/fod-failure-includes-url.md16
-rw-r--r--doc/manual/src/contributing/testing.md3
2 files changed, 16 insertions, 3 deletions
diff --git a/doc/manual/rl-next/fod-failure-includes-url.md b/doc/manual/rl-next/fod-failure-includes-url.md
new file mode 100644
index 000000000..43179aa52
--- /dev/null
+++ b/doc/manual/rl-next/fod-failure-includes-url.md
@@ -0,0 +1,16 @@
+---
+synopsis: "Hash mismatch diagnostics for fixed-output derivations include the URL"
+cls: [1536]
+credits: [jade]
+category: Improvements
+---
+
+Now, when building fixed-output derivations, Lix will guess the URL that was used in the derivation using the `url` or `urls` properties in the derivation environment.
+This is a layering violation but making these diagnostics tractable when there are multiple instances of the `AAAA` hash is too significant of an improvement to pass it up.
+
+```
+error: hash mismatch in fixed-output derivation '/nix/store/sjfw324j4533lwnpmr5z4icpb85r63ai-x1.drv':
+ likely URL: https://meow.puppy.forge/puppy.tar.gz
+ specified: sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
+ got: sha256-a1Qvp3FOOkWpL9kFHgugU1ok5UtRPSu+NwCZKbbaEro=
+```
diff --git a/doc/manual/src/contributing/testing.md b/doc/manual/src/contributing/testing.md
index 84836b891..b6b5318e0 100644
--- a/doc/manual/src/contributing/testing.md
+++ b/doc/manual/src/contributing/testing.md
@@ -433,9 +433,6 @@ I grepped `src/` for `get[eE]nv\("` to find the mentions in Lix code.
- `NIX_PROFILE` - Selects which profile `nix-env` will operate on. Documented elsewhere.
- `NIX_SSHOPTS` - Options passed to `ssh(1)` when using a ssh remote store.
Incorrectly documented on `nix-copy-closure` which is *surely* not the only place they are used??
-- `_NIX_TEST_NO_LSOF` - Used on non-Linux, non-macOS platforms to disable using `lsof` when finding gc roots.
-
- Since https://git.lix.systems/lix-project/lix/issues/156 was fixed, this should probably just be removed as it was a bad workaround for a macOS issue.
- `_NIX_TEST_GC_SYNC_1` - Path to a pipe that is used to block the GC briefly to validate invariants from the test suite.
- `_NIX_TEST_GC_SYNC_2` - Path to a pipe that is used to block the GC briefly to validate invariants from the test suite.
- `_NIX_TEST_FREE_SPACE_FILE` - Path to a file containing a decimal number with the free space that the GC is to believe it has.