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fetchClosure: Apply suggestions from code review

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Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
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Robert Hensing 2023-07-07 11:00:40 +02:00 committed by GitHub
parent fefb947132
commit 537e8beb77
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1 changed files with 7 additions and 10 deletions
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15
src/libexpr/primops/fetchClosure.cc
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@ -74,7 +74,10 @@ static void runFetchClosureWithContentAddressedPath(EvalState & state, const Pos
throw Error({ throw Error({
.msg = hintfmt( .msg = hintfmt(
"The 'fromPath' value '%s' is input-addressed, but 'inputAddressed' is set to 'false' (default).\n\n" "The 'fromPath' value '%s' is input-addressed, but 'inputAddressed' is set to 'false' (default).\n\n"
"If you do intend to fetch an input-addressed store path, add 'inputAddressed = true;' to the 'fetchClosure' arguments. Note that content addressing does not require users to configure a trusted binary cache public key on their systems, and is therefore preferred.", "If you do intend to fetch an input-addressed store path, add\n\n"
" inputAddressed = true;\n\n"
"to the 'fetchClosure' arguments.\n\n"
"Note that to ensure authenticity input-addressed store paths, users must configure a trusted binary cache public key on their systems. This is not needed for content-addressed paths.",
state.store->printStorePath(fromPath)), state.store->printStorePath(fromPath)),
.errPos = state.positions[pos] .errPos = state.positions[pos]
}); });
@ -263,7 +266,7 @@ Example:
rewrote '/nix/store/r2jd6ygnmirm2g803mksqqjm4y39yi6i-git-2.33.1' to '/nix/store/ldbhlwhh39wha58rm61bkiiwm6j7211j-git-2.33.1' rewrote '/nix/store/r2jd6ygnmirm2g803mksqqjm4y39yi6i-git-2.33.1' to '/nix/store/ldbhlwhh39wha58rm61bkiiwm6j7211j-git-2.33.1'
``` ```
Alternatively, you may set `toPath = ""` and find the correct `toPath` in the error message. Alternatively, set `toPath = ""` and find the correct `toPath` in the error message.
**Not rewriting** **Not rewriting**
@ -279,13 +282,7 @@ Example:
allows you to use a previously built store path in a Nix allows you to use a previously built store path in a Nix
expression. However, it is more reproducible because it requires expression. However, it is more reproducible because it requires
specifying a binary cache from which the path can be fetched. specifying a binary cache from which the path can be fetched.
Also, the default requirement of a content-addressed final store path Also, using content-addressed store paths does not require users to configure [`trusted-public-keys`](@docroot@/command-ref/conf-file.md#conf-trusted-public-keys) to ensure their authenticity.
avoids the need for users to configure [`trusted-public-keys`](@docroot@/command-ref/conf-file.md#conf-trusted-public-keys).
**Experimental feature**
This function is only available if you enable the experimental
feature `fetch-closure`.
)", )",
.fun = prim_fetchClosure, .fun = prim_fetchClosure,
.experimentalFeature = Xp::FetchClosure, .experimentalFeature = Xp::FetchClosure,