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Merge branch 'doc-redirects' of https://github.com/jtojnar/nix

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This commit is contained in:
Eelco Dolstra 2022-05-27 11:12:41 +02:00
commit d67a2ae52d
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GPG key ID: 8170B4726D7198DE
15 changed files with 449 additions and 75 deletions
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31
doc/manual/anchors.jq Executable file
View file

@ -0,0 +1,31 @@
"\\[\\]\\{#(?<anchor>[^\\}]+?)\\}" as $empty_anchor_regex |
"\\[(?<text>[^\\]]+?)\\]\\{#(?<anchor>[^\\}]+?)\\}" as $anchor_regex |
def transform_anchors_html:
. | gsub($empty_anchor_regex; "<a name=\"" + .anchor + "\"></a>")
| gsub($anchor_regex; "<a href=\"#" + .anchor + "\" id=\"" + .anchor + "\">" + .text + "</a>");
def transform_anchors_strip:
. | gsub($empty_anchor_regex; "")
| gsub($anchor_regex; .text);
def map_contents_recursively(transformer):
. + {
Chapter: (.Chapter + {
content: .Chapter.content | transformer,
sub_items: .Chapter.sub_items | map(map_contents_recursively(transformer)),
}),
};
def process_command:
.[0] as $context |
.[1] as $body |
$body + {
sections: $body.sections | map(map_contents_recursively(if $context.renderer == "html" then transform_anchors_html else transform_anchors_strip end)),
};
process_command

5
doc/manual/book.toml
View file

@ -1,2 +1,7 @@
[output.html]
additional-css = ["custom.css"]
additional-js = ["redirects.js"]
[preprocessor.anchors]
renderers = ["html"]
command = "jq --from-file doc/manual/anchors.jq"

2
doc/manual/local.mk
View file

@ -97,7 +97,7 @@ doc/manual/generated/man1/nix3-manpages: $(d)/src/command-ref/new-cli
done
@touch $@
$(docdir)/manual/index.html: $(MANUAL_SRCS) $(d)/book.toml $(d)/custom.css $(d)/src/SUMMARY.md $(d)/src/command-ref/new-cli $(d)/src/command-ref/conf-file.md $(d)/src/expressions/builtins.md $(call rwildcard, $(d)/src, *.md)
$(docdir)/manual/index.html: $(MANUAL_SRCS) $(d)/book.toml $(d)/anchors.jq $(d)/custom.css $(d)/src/SUMMARY.md $(d)/src/command-ref/new-cli $(d)/src/command-ref/conf-file.md $(d)/src/expressions/builtins.md $(call rwildcard, $(d)/src, *.md)
$(trace-gen) RUST_LOG=warn mdbook build doc/manual -d $(DESTDIR)$(docdir)/manual
endif

337
doc/manual/redirects.js Normal file
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@ -0,0 +1,337 @@
// Redirects from old DocBook manual.
var redirects = {
"#part-advanced-topics": "advanced-topics/advanced-topics.html",
"#chap-tuning-cores-and-jobs": "advanced-topics/cores-vs-jobs.html",
"#chap-diff-hook": "advanced-topics/diff-hook.html",
"#check-dirs-are-unregistered": "advanced-topics/diff-hook.html#check-dirs-are-unregistered",
"#chap-distributed-builds": "advanced-topics/distributed-builds.html",
"#chap-post-build-hook": "advanced-topics/post-build-hook.html",
"#chap-post-build-hook-caveats": "advanced-topics/post-build-hook.html#implementation-caveats",
"#part-command-ref": "command-ref/command-ref.html",
"#conf-allow-import-from-derivation": "command-ref/conf-file.html#conf-allow-import-from-derivation",
"#conf-allow-new-privileges": "command-ref/conf-file.html#conf-allow-new-privileges",
"#conf-allowed-uris": "command-ref/conf-file.html#conf-allowed-uris",
"#conf-allowed-users": "command-ref/conf-file.html#conf-allowed-users",
"#conf-auto-optimise-store": "command-ref/conf-file.html#conf-auto-optimise-store",
"#conf-binary-cache-public-keys": "command-ref/conf-file.html#conf-binary-cache-public-keys",
"#conf-binary-caches": "command-ref/conf-file.html#conf-binary-caches",
"#conf-build-compress-log": "command-ref/conf-file.html#conf-build-compress-log",
"#conf-build-cores": "command-ref/conf-file.html#conf-build-cores",
"#conf-build-extra-chroot-dirs": "command-ref/conf-file.html#conf-build-extra-chroot-dirs",
"#conf-build-extra-sandbox-paths": "command-ref/conf-file.html#conf-build-extra-sandbox-paths",
"#conf-build-fallback": "command-ref/conf-file.html#conf-build-fallback",
"#conf-build-max-jobs": "command-ref/conf-file.html#conf-build-max-jobs",
"#conf-build-max-log-size": "command-ref/conf-file.html#conf-build-max-log-size",
"#conf-build-max-silent-time": "command-ref/conf-file.html#conf-build-max-silent-time",
"#conf-build-repeat": "command-ref/conf-file.html#conf-build-repeat",
"#conf-build-timeout": "command-ref/conf-file.html#conf-build-timeout",
"#conf-build-use-chroot": "command-ref/conf-file.html#conf-build-use-chroot",
"#conf-build-use-sandbox": "command-ref/conf-file.html#conf-build-use-sandbox",
"#conf-build-use-substitutes": "command-ref/conf-file.html#conf-build-use-substitutes",
"#conf-build-users-group": "command-ref/conf-file.html#conf-build-users-group",
"#conf-builders": "command-ref/conf-file.html#conf-builders",
"#conf-builders-use-substitutes": "command-ref/conf-file.html#conf-builders-use-substitutes",
"#conf-compress-build-log": "command-ref/conf-file.html#conf-compress-build-log",
"#conf-connect-timeout": "command-ref/conf-file.html#conf-connect-timeout",
"#conf-cores": "command-ref/conf-file.html#conf-cores",
"#conf-diff-hook": "command-ref/conf-file.html#conf-diff-hook",
"#conf-enforce-determinism": "command-ref/conf-file.html#conf-enforce-determinism",
"#conf-env-keep-derivations": "command-ref/conf-file.html#conf-env-keep-derivations",
"#conf-extra-binary-caches": "command-ref/conf-file.html#conf-extra-binary-caches",
"#conf-extra-platforms": "command-ref/conf-file.html#conf-extra-platforms",
"#conf-extra-sandbox-paths": "command-ref/conf-file.html#conf-extra-sandbox-paths",
"#conf-extra-substituters": "command-ref/conf-file.html#conf-extra-substituters",
"#conf-fallback": "command-ref/conf-file.html#conf-fallback",
"#conf-fsync-metadata": "command-ref/conf-file.html#conf-fsync-metadata",
"#conf-gc-keep-derivations": "command-ref/conf-file.html#conf-gc-keep-derivations",
"#conf-gc-keep-outputs": "command-ref/conf-file.html#conf-gc-keep-outputs",
"#conf-hashed-mirrors": "command-ref/conf-file.html#conf-hashed-mirrors",
"#conf-http-connections": "command-ref/conf-file.html#conf-http-connections",
"#conf-keep-build-log": "command-ref/conf-file.html#conf-keep-build-log",
"#conf-keep-derivations": "command-ref/conf-file.html#conf-keep-derivations",
"#conf-keep-env-derivations": "command-ref/conf-file.html#conf-keep-env-derivations",
"#conf-keep-outputs": "command-ref/conf-file.html#conf-keep-outputs",
"#conf-max-build-log-size": "command-ref/conf-file.html#conf-max-build-log-size",
"#conf-max-free": "command-ref/conf-file.html#conf-max-free",
"#conf-max-jobs": "command-ref/conf-file.html#conf-max-jobs",
"#conf-max-silent-time": "command-ref/conf-file.html#conf-max-silent-time",
"#conf-min-free": "command-ref/conf-file.html#conf-min-free",
"#conf-narinfo-cache-negative-ttl": "command-ref/conf-file.html#conf-narinfo-cache-negative-ttl",
"#conf-narinfo-cache-positive-ttl": "command-ref/conf-file.html#conf-narinfo-cache-positive-ttl",
"#conf-netrc-file": "command-ref/conf-file.html#conf-netrc-file",
"#conf-plugin-files": "command-ref/conf-file.html#conf-plugin-files",
"#conf-post-build-hook": "command-ref/conf-file.html#conf-post-build-hook",
"#conf-pre-build-hook": "command-ref/conf-file.html#conf-pre-build-hook",
"#conf-repeat": "command-ref/conf-file.html#conf-repeat",
"#conf-require-sigs": "command-ref/conf-file.html#conf-require-sigs",
"#conf-restrict-eval": "command-ref/conf-file.html#conf-restrict-eval",
"#conf-run-diff-hook": "command-ref/conf-file.html#conf-run-diff-hook",
"#conf-sandbox": "command-ref/conf-file.html#conf-sandbox",
"#conf-sandbox-dev-shm-size": "command-ref/conf-file.html#conf-sandbox-dev-shm-size",
"#conf-sandbox-paths": "command-ref/conf-file.html#conf-sandbox-paths",
"#conf-secret-key-files": "command-ref/conf-file.html#conf-secret-key-files",
"#conf-show-trace": "command-ref/conf-file.html#conf-show-trace",
"#conf-stalled-download-timeout": "command-ref/conf-file.html#conf-stalled-download-timeout",
"#conf-substitute": "command-ref/conf-file.html#conf-substitute",
"#conf-substituters": "command-ref/conf-file.html#conf-substituters",
"#conf-system": "command-ref/conf-file.html#conf-system",
"#conf-system-features": "command-ref/conf-file.html#conf-system-features",
"#conf-tarball-ttl": "command-ref/conf-file.html#conf-tarball-ttl",
"#conf-timeout": "command-ref/conf-file.html#conf-timeout",
"#conf-trace-function-calls": "command-ref/conf-file.html#conf-trace-function-calls",
"#conf-trusted-binary-caches": "command-ref/conf-file.html#conf-trusted-binary-caches",
"#conf-trusted-public-keys": "command-ref/conf-file.html#conf-trusted-public-keys",
"#conf-trusted-substituters": "command-ref/conf-file.html#conf-trusted-substituters",
"#conf-trusted-users": "command-ref/conf-file.html#conf-trusted-users",
"#extra-sandbox-paths": "command-ref/conf-file.html#extra-sandbox-paths",
"#sec-conf-file": "command-ref/conf-file.html",
"#env-NIX_PATH": "command-ref/env-common.html#env-NIX_PATH",
"#env-common": "command-ref/env-common.html",
"#envar-remote": "command-ref/env-common.html#env-NIX_REMOTE",
"#sec-common-env": "command-ref/env-common.html",
"#ch-files": "command-ref/files.html",
"#ch-main-commands": "command-ref/main-commands.html",
"#opt-out-link": "command-ref/nix-build.html#opt-out-link",
"#sec-nix-build": "command-ref/nix-build.html",
"#sec-nix-channel": "command-ref/nix-channel.html",
"#sec-nix-collect-garbage": "command-ref/nix-collect-garbage.html",
"#sec-nix-copy-closure": "command-ref/nix-copy-closure.html",
"#sec-nix-daemon": "command-ref/nix-daemon.html",
"#refsec-nix-env-install-examples": "command-ref/nix-env.html#examples",
"#rsec-nix-env-install": "command-ref/nix-env.html#operation---install",
"#rsec-nix-env-set": "command-ref/nix-env.html#operation---set",
"#rsec-nix-env-set-flag": "command-ref/nix-env.html#operation---set-flag",
"#rsec-nix-env-upgrade": "command-ref/nix-env.html#operation---upgrade",
"#sec-nix-env": "command-ref/nix-env.html",
"#ssec-version-comparisons": "command-ref/nix-env.html#versions",
"#sec-nix-hash": "command-ref/nix-hash.html",
"#sec-nix-instantiate": "command-ref/nix-instantiate.html",
"#sec-nix-prefetch-url": "command-ref/nix-prefetch-url.html",
"#sec-nix-shell": "command-ref/nix-shell.html",
"#ssec-nix-shell-shebang": "command-ref/nix-shell.html#use-as-a--interpreter",
"#nixref-queries": "command-ref/nix-store.html#queries",
"#opt-add-root": "command-ref/nix-store.html#opt-add-root",
"#refsec-nix-store-dump": "command-ref/nix-store.html#operation---dump",
"#refsec-nix-store-export": "command-ref/nix-store.html#operation---export",
"#refsec-nix-store-import": "command-ref/nix-store.html#operation---import",
"#refsec-nix-store-query": "command-ref/nix-store.html#operation---query",
"#refsec-nix-store-verify": "command-ref/nix-store.html#operation---verify",
"#rsec-nix-store-gc": "command-ref/nix-store.html#operation---gc",
"#rsec-nix-store-generate-binary-cache-key": "command-ref/nix-store.html#operation---generate-binary-cache-key",
"#rsec-nix-store-realise": "command-ref/nix-store.html#operation---realise",
"#rsec-nix-store-serve": "command-ref/nix-store.html#operation---serve",
"#sec-nix-store": "command-ref/nix-store.html",
"#opt-I": "command-ref/opt-common.html#opt-I",
"#opt-attr": "command-ref/opt-common.html#opt-attr",
"#opt-common": "command-ref/opt-common.html",
"#opt-cores": "command-ref/opt-common.html#opt-cores",
"#opt-log-format": "command-ref/opt-common.html#opt-log-format",
"#opt-max-jobs": "command-ref/opt-common.html#opt-max-jobs",
"#opt-max-silent-time": "command-ref/opt-common.html#opt-max-silent-time",
"#opt-timeout": "command-ref/opt-common.html#opt-timeout",
"#sec-common-options": "command-ref/opt-common.html",
"#ch-utilities": "command-ref/utilities.html",
"#chap-hacking": "contributing/hacking.html",
"#adv-attr-allowSubstitutes": "expressions/advanced-attributes.html#adv-attr-allowSubstitutes",
"#adv-attr-allowedReferences": "expressions/advanced-attributes.html#adv-attr-allowedReferences",
"#adv-attr-allowedRequisites": "expressions/advanced-attributes.html#adv-attr-allowedRequisites",
"#adv-attr-disallowedReferences": "expressions/advanced-attributes.html#adv-attr-disallowedReferences",
"#adv-attr-disallowedRequisites": "expressions/advanced-attributes.html#adv-attr-disallowedRequisites",
"#adv-attr-exportReferencesGraph": "expressions/advanced-attributes.html#adv-attr-exportReferencesGraph",
"#adv-attr-impureEnvVars": "expressions/advanced-attributes.html#adv-attr-impureEnvVars",
"#adv-attr-outputHash": "expressions/advanced-attributes.html#adv-attr-outputHash",
"#adv-attr-outputHashAlgo": "expressions/advanced-attributes.html#adv-attr-outputHashAlgo",
"#adv-attr-outputHashMode": "expressions/advanced-attributes.html#adv-attr-outputHashMode",
"#adv-attr-passAsFile": "expressions/advanced-attributes.html#adv-attr-passAsFile",
"#adv-attr-preferLocalBuild": "expressions/advanced-attributes.html#adv-attr-preferLocalBuild",
"#fixed-output-drvs": "expressions/advanced-attributes.html#adv-attr-outputHash",
"#sec-advanced-attributes": "expressions/advanced-attributes.html",
"#sec-arguments": "expressions/arguments-variables.html",
"#sec-build-script": "expressions/build-script.html",
"#builtin-abort": "expressions/builtins.html#builtins-abort",
"#builtin-add": "expressions/builtins.html#builtins-add",
"#builtin-all": "expressions/builtins.html#builtins-all",
"#builtin-any": "expressions/builtins.html#builtins-any",
"#builtin-attrNames": "expressions/builtins.html#builtins-attrNames",
"#builtin-attrValues": "expressions/builtins.html#builtins-attrValues",
"#builtin-baseNameOf": "expressions/builtins.html#builtins-baseNameOf",
"#builtin-bitAnd": "expressions/builtins.html#builtins-bitAnd",
"#builtin-bitOr": "expressions/builtins.html#builtins-bitOr",
"#builtin-bitXor": "expressions/builtins.html#builtins-bitXor",
"#builtin-builtins": "expressions/builtins.html#builtins-builtins",
"#builtin-compareVersions": "expressions/builtins.html#builtins-compareVersions",
"#builtin-concatLists": "expressions/builtins.html#builtins-concatLists",
"#builtin-concatStringsSep": "expressions/builtins.html#builtins-concatStringsSep",
"#builtin-currentSystem": "expressions/builtins.html#builtins-currentSystem",
"#builtin-deepSeq": "expressions/builtins.html#builtins-deepSeq",
"#builtin-derivation": "expressions/builtins.html#builtins-derivation",
"#builtin-dirOf": "expressions/builtins.html#builtins-dirOf",
"#builtin-div": "expressions/builtins.html#builtins-div",
"#builtin-elem": "expressions/builtins.html#builtins-elem",
"#builtin-elemAt": "expressions/builtins.html#builtins-elemAt",
"#builtin-fetchGit": "expressions/builtins.html#builtins-fetchGit",
"#builtin-fetchTarball": "expressions/builtins.html#builtins-fetchTarball",
"#builtin-fetchurl": "expressions/builtins.html#builtins-fetchurl",
"#builtin-filterSource": "expressions/builtins.html#builtins-filterSource",
"#builtin-foldl-prime": "expressions/builtins.html#builtins-foldl-prime",
"#builtin-fromJSON": "expressions/builtins.html#builtins-fromJSON",
"#builtin-functionArgs": "expressions/builtins.html#builtins-functionArgs",
"#builtin-genList": "expressions/builtins.html#builtins-genList",
"#builtin-getAttr": "expressions/builtins.html#builtins-getAttr",
"#builtin-getEnv": "expressions/builtins.html#builtins-getEnv",
"#builtin-hasAttr": "expressions/builtins.html#builtins-hasAttr",
"#builtin-hashFile": "expressions/builtins.html#builtins-hashFile",
"#builtin-hashString": "expressions/builtins.html#builtins-hashString",
"#builtin-head": "expressions/builtins.html#builtins-head",
"#builtin-import": "expressions/builtins.html#builtins-import",
"#builtin-intersectAttrs": "expressions/builtins.html#builtins-intersectAttrs",
"#builtin-isAttrs": "expressions/builtins.html#builtins-isAttrs",
"#builtin-isBool": "expressions/builtins.html#builtins-isBool",
"#builtin-isFloat": "expressions/builtins.html#builtins-isFloat",
"#builtin-isFunction": "expressions/builtins.html#builtins-isFunction",
"#builtin-isInt": "expressions/builtins.html#builtins-isInt",
"#builtin-isList": "expressions/builtins.html#builtins-isList",
"#builtin-isNull": "expressions/builtins.html#builtins-isNull",
"#builtin-isString": "expressions/builtins.html#builtins-isString",
"#builtin-length": "expressions/builtins.html#builtins-length",
"#builtin-lessThan": "expressions/builtins.html#builtins-lessThan",
"#builtin-listToAttrs": "expressions/builtins.html#builtins-listToAttrs",
"#builtin-map": "expressions/builtins.html#builtins-map",
"#builtin-match": "expressions/builtins.html#builtins-match",
"#builtin-mul": "expressions/builtins.html#builtins-mul",
"#builtin-parseDrvName": "expressions/builtins.html#builtins-parseDrvName",
"#builtin-path": "expressions/builtins.html#builtins-path",
"#builtin-pathExists": "expressions/builtins.html#builtins-pathExists",
"#builtin-placeholder": "expressions/builtins.html#builtins-placeholder",
"#builtin-readDir": "expressions/builtins.html#builtins-readDir",
"#builtin-readFile": "expressions/builtins.html#builtins-readFile",
"#builtin-removeAttrs": "expressions/builtins.html#builtins-removeAttrs",
"#builtin-replaceStrings": "expressions/builtins.html#builtins-replaceStrings",
"#builtin-seq": "expressions/builtins.html#builtins-seq",
"#builtin-sort": "expressions/builtins.html#builtins-sort",
"#builtin-split": "expressions/builtins.html#builtins-split",
"#builtin-splitVersion": "expressions/builtins.html#builtins-splitVersion",
"#builtin-stringLength": "expressions/builtins.html#builtins-stringLength",
"#builtin-sub": "expressions/builtins.html#builtins-sub",
"#builtin-substring": "expressions/builtins.html#builtins-substring",
"#builtin-tail": "expressions/builtins.html#builtins-tail",
"#builtin-throw": "expressions/builtins.html#builtins-throw",
"#builtin-toFile": "expressions/builtins.html#builtins-toFile",
"#builtin-toJSON": "expressions/builtins.html#builtins-toJSON",
"#builtin-toPath": "expressions/builtins.html#builtins-toPath",
"#builtin-toString": "expressions/builtins.html#builtins-toString",
"#builtin-toXML": "expressions/builtins.html#builtins-toXML",
"#builtin-trace": "expressions/builtins.html#builtins-trace",
"#builtin-tryEval": "expressions/builtins.html#builtins-tryEval",
"#builtin-typeOf": "expressions/builtins.html#builtins-typeOf",
"#ssec-builtins": "expressions/builtins.html",
"#attr-system": "expressions/derivations.html#attr-system",
"#ssec-derivation": "expressions/derivations.html",
"#ch-expression-language": "expressions/expression-language.html",
"#sec-expression-syntax": "expressions/expression-syntax.html",
"#sec-generic-builder": "expressions/generic-builder.html",
"#sec-constructs": "expressions/language-constructs.html",
"#sect-let-expressions": "expressions/language-constructs.html#let-expressions",
"#ss-functions": "expressions/language-constructs.html#functions",
"#sec-language-operators": "expressions/language-operators.html",
"#table-operators": "expressions/language-operators.html",
"#ssec-values": "expressions/language-values.html",
"#sec-building-simple": "expressions/simple-building-testing.html",
"#ch-simple-expression": "expressions/simple-expression.html",
"#chap-writing-nix-expressions": "expressions/writing-nix-expressions.html",
"#gloss-closure": "glossary.html#gloss-closure",
"#gloss-derivation": "glossary.html#gloss-derivation",
"#gloss-deriver": "glossary.html#gloss-deriver",
"#gloss-nar": "glossary.html#gloss-nar",
"#gloss-output-path": "glossary.html#gloss-output-path",
"#gloss-profile": "glossary.html#gloss-profile",
"#gloss-reachable": "glossary.html#gloss-reachable",
"#gloss-reference": "glossary.html#gloss-reference",
"#gloss-substitute": "glossary.html#gloss-substitute",
"#gloss-user-env": "glossary.html#gloss-user-env",
"#gloss-validity": "glossary.html#gloss-validity",
"#part-glossary": "glossary.html",
"#sec-building-source": "installation/building-source.html",
"#ch-env-variables": "installation/env-variables.html",
"#sec-installer-proxy-settings": "installation/env-variables.html#proxy-environment-variables",
"#sec-nix-ssl-cert-file": "installation/env-variables.html#nix_ssl_cert_file",
"#sec-nix-ssl-cert-file-with-nix-daemon-and-macos": "installation/env-variables.html#nix_ssl_cert_file-with-macos-and-the-nix-daemon",
"#chap-installation": "installation/installation.html",
"#ch-installing-binary": "installation/installing-binary.html",
"#sect-macos-installation": "installation/installing-binary.html#macos-installation",
"#sect-macos-installation-change-store-prefix": "installation/installing-binary.html#macos-installation",
"#sect-macos-installation-encrypted-volume": "installation/installing-binary.html#macos-installation",
"#sect-macos-installation-recommended-notes": "installation/installing-binary.html#macos-installation",
"#sect-macos-installation-symlink": "installation/installing-binary.html#macos-installation",
"#sect-multi-user-installation": "installation/installing-binary.html#multi-user-installation",
"#sect-nix-install-binary-tarball": "installation/installing-binary.html#installing-from-a-binary-tarball",
"#sect-nix-install-pinned-version-url": "installation/installing-binary.html#installing-a-pinned-nix-version-from-a-url",
"#sect-single-user-installation": "installation/installing-binary.html#single-user-installation",
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2
doc/manual/src/advanced-topics/diff-hook.md
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@ -101,7 +101,7 @@ In particular, notice the
`/nix/store/krpqk0l9ib0ibi1d2w52z293zw455cap-unstable.check` output. Nix
has copied the build results to that directory where you can examine it.
> **Note**
> []{#check-dirs-are-unregistered} **Note**
>
> Check paths are not protected against garbage collection, and this
> path will be deleted on the next garbage collection.

30
doc/manual/src/command-ref/env-common.md
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@ -2,11 +2,11 @@
Most Nix commands interpret the following environment variables:
- `IN_NIX_SHELL`\
- [`IN_NIX_SHELL`]{#env-IN_NIX_SHELL}\
Indicator that tells if the current environment was set up by
`nix-shell`. It can have the values `pure` or `impure`.
- `NIX_PATH`\
- [`NIX_PATH`]{#env-NIX_PATH}\
A colon-separated list of directories used to look up Nix
expressions enclosed in angle brackets (i.e., `<path>`). For
instance, the value
@ -44,7 +44,7 @@ Most Nix commands interpret the following environment variables:
The Nix search path can also be extended using the `-I` option to
many Nix commands, which takes precedence over `NIX_PATH`.
- `NIX_IGNORE_SYMLINK_STORE`\
- [`NIX_IGNORE_SYMLINK_STORE`]{#env-NIX_IGNORE_SYMLINK_STORE}\
Normally, the Nix store directory (typically `/nix/store`) is not
allowed to contain any symlink components. This is to prevent
“impure” builds. Builders sometimes “canonicalise” paths by
@ -66,41 +66,41 @@ Most Nix commands interpret the following environment variables:
Consult the mount 8 manual page for details.
- `NIX_STORE_DIR`\
- [`NIX_STORE_DIR`]{#env-NIX_STORE_DIR}\
Overrides the location of the Nix store (default `prefix/store`).
- `NIX_DATA_DIR`\
- [`NIX_DATA_DIR`]{#env-NIX_DATA_DIR}\
Overrides the location of the Nix static data directory (default
`prefix/share`).
- `NIX_LOG_DIR`\
- [`NIX_LOG_DIR`]{#env-NIX_LOG_DIR}\
Overrides the location of the Nix log directory (default
`prefix/var/log/nix`).
- `NIX_STATE_DIR`\
- [`NIX_STATE_DIR`]{#env-NIX_STATE_DIR}\
Overrides the location of the Nix state directory (default
`prefix/var/nix`).
- `NIX_CONF_DIR`\
- [`NIX_CONF_DIR`]{#env-NIX_CONF_DIR}\
Overrides the location of the system Nix configuration directory
(default `prefix/etc/nix`).
- `NIX_CONFIG`\
- [`NIX_CONFIG`]{#env-NIX_CONFIG}\
Applies settings from Nix configuration from the environment.
The content is treated as if it was read from a Nix configuration file.
Settings are separated by the newline character.
- `NIX_USER_CONF_FILES`\
- [`NIX_USER_CONF_FILES`]{#env-NIX_USER_CONF_FILES}\
Overrides the location of the user Nix configuration files to load
from (defaults to the XDG spec locations). The variable is treated
as a list separated by the `:` token.
- `TMPDIR`\
- [`TMPDIR`]{#env-TMPDIR}\
Use the specified directory to store temporary files. In particular,
this includes temporary build directories; these can take up
substantial amounts of disk space. The default is `/tmp`.
- `NIX_REMOTE`\
- [`NIX_REMOTE`]{#env-NIX_REMOTE}\
This variable should be set to `daemon` if you want to use the Nix
daemon to execute Nix operations. This is necessary in [multi-user
Nix installations](../installation/multi-user.md). If the Nix
@ -108,16 +108,16 @@ Most Nix commands interpret the following environment variables:
should be set to `unix://path/to/socket`. Otherwise, it should be
left unset.
- `NIX_SHOW_STATS`\
- [`NIX_SHOW_STATS`]{#env-NIX_SHOW_STATS}\
If set to `1`, Nix will print some evaluation statistics, such as
the number of values allocated.
- `NIX_COUNT_CALLS`\
- [`NIX_COUNT_CALLS`]{#env-NIX_COUNT_CALLS}\
If set to `1`, Nix will print how often functions were called during
Nix expression evaluation. This is useful for profiling your Nix
expressions.
- `GC_INITIAL_HEAP_SIZE`\
- [`GC_INITIAL_HEAP_SIZE`]{#env-GC_INITIAL_HEAP_SIZE}\
If Nix has been configured to use the Boehm garbage collector, this
variable sets the initial size of the heap in bytes. It defaults to
384 MiB. Setting it to a low value reduces memory consumption, but

6
doc/manual/src/command-ref/nix-build.md
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@ -47,16 +47,16 @@ All options not listed here are passed to `nix-store
--realise`, except for `--arg` and `--attr` / `-A` which are passed to
`nix-instantiate`.
- `--no-out-link`\
- [`--no-out-link`]{#opt-no-out-link}\
Do not create a symlink to the output path. Note that as a result
the output does not become a root of the garbage collector, and so
might be deleted by `nix-store
--gc`.
- `--dry-run`\
- [`--dry-run`]{#opt-dry-run}\
Show what store paths would be built or downloaded.
- `--out-link` / `-o` *outlink*\
- [`--out-link`]{#opt-out-link} / `-o` *outlink*\
Change the name of the symlink to the output path created from
`result` to *outlink*.

2
doc/manual/src/command-ref/nix-store.md
View file

@ -22,7 +22,7 @@ This section lists the options that are common to all operations. These
options are allowed for every subcommand, though they may not always
have an effect.
- `--add-root` *path*\
- [`--add-root`]{#opt-add-root} *path*\
Causes the result of a realisation (`--realise` and
`--force-realise`) to be registered as a root of the garbage
collector. *path* will be created as a symlink to the resulting

42
doc/manual/src/command-ref/opt-common.md
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@ -2,13 +2,13 @@
Most Nix commands accept the following command-line options:
- `--help`\
- [`--help`]{#opt-help}\
Prints out a summary of the command syntax and exits.
- `--version`\
- [`--version`]{#opt-version}\
Prints out the Nix version number on standard output and exits.
- `--verbose` / `-v`\
- [`--verbose`]{#opt-verbose} / `-v`\
Increases the level of verbosity of diagnostic messages printed on
standard error. For each Nix operation, the information printed on
standard output is well-defined; any diagnostic information is
@ -37,14 +37,14 @@ Most Nix commands accept the following command-line options:
- 5\
“Vomit”: print vast amounts of debug information.
- `--quiet`\
- [`--quiet`]{#opt-quiet}\
Decreases the level of verbosity of diagnostic messages printed on
standard error. This is the inverse option to `-v` / `--verbose`.
This option may be specified repeatedly. See the previous verbosity
levels list.
- `--log-format` *format*\
- [`--log-format`]{#opt-log-format} *format*\
This option can be used to change the output of the log format, with
*format* being one of:
@ -66,14 +66,14 @@ Most Nix commands accept the following command-line options:
- bar-with-logs\
Display the raw logs, with the progress bar at the bottom.
- `--no-build-output` / `-Q`\
- [`--no-build-output`]{#opt-no-build-output} / `-Q`\
By default, output written by builders to standard output and
standard error is echoed to the Nix command's standard error. This
option suppresses this behaviour. Note that the builder's standard
output and error are always written to a log file in
`prefix/nix/var/log/nix`.
- `--max-jobs` / `-j` *number*\
- [`--max-jobs`]{#opt-max-jobs} / `-j` *number*\
Sets the maximum number of build jobs that Nix will perform in
parallel to the specified number. Specify `auto` to use the number
of CPUs in the system. The default is specified by the `max-jobs`
@ -83,7 +83,7 @@ Most Nix commands accept the following command-line options:
Setting it to `0` disallows building on the local machine, which is
useful when you want builds to happen only on remote builders.
- `--cores`\
- [`--cores`]{#opt-cores}\
Sets the value of the `NIX_BUILD_CORES` environment variable in
the invocation of builders. Builders can use this variable at
their discretion to control the maximum amount of parallelism. For
@ -94,18 +94,18 @@ Most Nix commands accept the following command-line options:
means that the builder should use all available CPU cores in the
system.
- `--max-silent-time`\
- [`--max-silent-time`]{#opt-max-silent-time}\
Sets the maximum number of seconds that a builder can go without
producing any data on standard output or standard error. The
default is specified by the `max-silent-time` configuration
setting. `0` means no time-out.
- `--timeout`\
- [`--timeout`]{#opt-timeout}\
Sets the maximum number of seconds that a builder can run. The
default is specified by the `timeout` configuration setting. `0`
means no timeout.
- `--keep-going` / `-k`\
- [`--keep-going`]{#opt-keep-going} / `-k`\
Keep going in case of failed builds, to the greatest extent
possible. That is, if building an input of some derivation fails,
Nix will still build the other inputs, but not the derivation
@ -113,13 +113,13 @@ Most Nix commands accept the following command-line options:
for builds of substitutes), possibly killing builds in progress (in
case of parallel or distributed builds).
- `--keep-failed` / `-K`\
- [`--keep-failed`]{#opt-keep-failed} / `-K`\
Specifies that in case of a build failure, the temporary directory
(usually in `/tmp`) in which the build takes place should not be
deleted. The path of the build directory is printed as an
informational message.
- `--fallback`\
- [`--fallback`]{#opt-fallback}\
Whenever Nix attempts to build a derivation for which substitutes
are known for each output path, but realising the output paths
through the substitutes fails, fall back on building the derivation.
@ -134,12 +134,12 @@ Most Nix commands accept the following command-line options:
failure in obtaining the substitutes to lead to a full build from
source (with the related consumption of resources).
- `--readonly-mode`\
- [`--readonly-mode`]{#opt-readonly-mode}\
When this option is used, no attempt is made to open the Nix
database. Most Nix operations do need database access, so those
operations will fail.
- `--arg` *name* *value*\
- [`--arg`]{#opt-arg} *name* *value*\
This option is accepted by `nix-env`, `nix-instantiate`,
`nix-shell` and `nix-build`. When evaluating Nix expressions, the
expression evaluator will automatically try to call functions that
@ -170,13 +170,13 @@ Most Nix commands accept the following command-line options:
since the argument is a Nix string literal, you have to escape the
quotes.)
- `--argstr` *name* *value*\
- [`--argstr`]{#opt-argstr} *name* *value*\
This option is like `--arg`, only the value is not a Nix
expression but a string. So instead of `--arg system
\"i686-linux\"` (the outer quotes are to keep the shell happy) you
can say `--argstr system i686-linux`.
- `--attr` / `-A` *attrPath*\
- [`--attr`]{#opt-attr} / `-A` *attrPath*\
Select an attribute from the top-level Nix expression being
evaluated. (`nix-env`, `nix-instantiate`, `nix-build` and
`nix-shell` only.) The *attribute path* *attrPath* is a sequence
@ -191,7 +191,7 @@ Most Nix commands accept the following command-line options:
attribute of the fourth element of the array in the `foo` attribute
of the top-level expression.
- `--expr` / `-E`\
- [`--expr`]{#opt-expr} / `-E`\
Interpret the command line arguments as a list of Nix expressions to
be parsed and evaluated, rather than as a list of file names of Nix
expressions. (`nix-instantiate`, `nix-build` and `nix-shell` only.)
@ -202,17 +202,17 @@ Most Nix commands accept the following command-line options:
use, give your expression to the `nix-shell -p` convenience flag
instead.
- `-I` *path*\
- [`-I`]{#opt-I} *path*\
Add a path to the Nix expression search path. This option may be
given multiple times. See the `NIX_PATH` environment variable for
information on the semantics of the Nix search path. Paths added
through `-I` take precedence over `NIX_PATH`.
- `--option` *name* *value*\
- [`--option`]{#opt-option} *name* *value*\
Set the Nix configuration option *name* to *value*. This overrides
settings in the Nix configuration file (see nix.conf5).
- `--repair`\
- [`--repair`]{#opt-repair}\
Fix corrupted or missing store paths by redownloading or rebuilding
them. Note that this is slow because it requires computing a
cryptographic hash of the contents of every path in the closure of

22
doc/manual/src/expressions/advanced-attributes.md
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@ -2,7 +2,7 @@
Derivations can declare some infrequently used optional attributes.
- `allowedReferences`\
- [`allowedReferences`]{#adv-attr-allowedReferences}\
The optional attribute `allowedReferences` specifies a list of legal
references (dependencies) of the output of the builder. For example,
@ -17,7 +17,7 @@ Derivations can declare some infrequently used optional attributes.
booting Linux don’t have accidental dependencies on other paths in
the Nix store.
- `allowedRequisites`\
- [`allowedRequisites`]{#adv-attr-allowedRequisites}\
This attribute is similar to `allowedReferences`, but it specifies
the legal requisites of the whole closure, so all the dependencies
recursively. For example,
@ -30,7 +30,7 @@ Derivations can declare some infrequently used optional attributes.
runtime dependency than `foobar`, and in addition it enforces that
`foobar` itself doesn't introduce any other dependency itself.
- `disallowedReferences`\
- [`disallowedReferences`]{#adv-attr-disallowedReferences}\
The optional attribute `disallowedReferences` specifies a list of
illegal references (dependencies) of the output of the builder. For
example,
@ -42,7 +42,7 @@ Derivations can declare some infrequently used optional attributes.
enforces that the output of a derivation cannot have a direct
runtime dependencies on the derivation `foo`.
- `disallowedRequisites`\
- [`disallowedRequisites`]{#adv-attr-disallowedRequisites}\
This attribute is similar to `disallowedReferences`, but it
specifies illegal requisites for the whole closure, so all the
dependencies recursively. For example,
@ -55,7 +55,7 @@ Derivations can declare some infrequently used optional attributes.
dependency on `foobar` or any other derivation depending recursively
on `foobar`.
- `exportReferencesGraph`\
- [`exportReferencesGraph`]{#adv-attr-exportReferencesGraph}\
This attribute allows builders access to the references graph of
their inputs. The attribute is a list of inputs in the Nix store
whose references graph the builder needs to know. The value of
@ -84,7 +84,7 @@ Derivations can declare some infrequently used optional attributes.
with a Nix store containing the closure of a bootable NixOS
configuration).
- `impureEnvVars`\
- [`impureEnvVars`]{#adv-attr-impureEnvVars}\
This attribute allows you to specify a list of environment variables
that should be passed from the environment of the calling user to
the builder. Usually, the environment is cleared completely when the
@ -112,7 +112,7 @@ Derivations can declare some infrequently used optional attributes.
> environmental variables come from the environment of the
> `nix-build`.
- `outputHash`; `outputHashAlgo`; `outputHashMode`\
- [`outputHash`]{#adv-attr-outputHash}; [`outputHashAlgo`]{#adv-attr-outputHashAlgo}; [`outputHashMode`]{#adv-attr-outputHashMode}\
These attributes declare that the derivation is a so-called
*fixed-output derivation*, which means that a cryptographic hash of
the output is already known in advance. When the build of a
@ -208,7 +208,7 @@ Derivations can declare some infrequently used optional attributes.
[`nix-hash` command](../command-ref/nix-hash.md) for information
about converting to and from base-32 notation.)
- `__contentAddressed`
- [`__contentAddressed`]{#adv-attr-__contentAddressed}
If this **experimental** attribute is set to true, then the derivation
outputs will be stored in a content-addressed location rather than the
traditional input-addressed one.
@ -216,7 +216,7 @@ Derivations can declare some infrequently used optional attributes.
Setting this attribute also requires setting `outputHashMode` and `outputHashAlgo` like for *fixed-output derivations* (see above).
- `passAsFile`\
- [`passAsFile`]{#adv-attr-passAsFile}\
A list of names of attributes that should be passed via files rather
than environment variables. For example, if you have
@ -234,7 +234,7 @@ Derivations can declare some infrequently used optional attributes.
builder, since most operating systems impose a limit on the size
of the environment (typically, a few hundred kilobyte).
- `preferLocalBuild`\
- [`preferLocalBuild`]{#adv-attr-preferLocalBuild}\
If this attribute is set to `true` and [distributed building is
enabled](../advanced-topics/distributed-builds.md), then, if
possible, the derivation will be built locally instead of forwarded
@ -242,7 +242,7 @@ Derivations can declare some infrequently used optional attributes.
where the cost of doing a download or remote build would exceed
the cost of building locally.
- `allowSubstitutes`\
- [`allowSubstitutes`]{#adv-attr-allowSubstitutes}\
If this attribute is set to `false`, then Nix will always build this
derivation; it will not try to substitute its outputs. This is
useful for very trivial derivations (such as `writeText` in Nixpkgs)

2
doc/manual/src/expressions/builtin-constants.md
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@ -14,7 +14,7 @@ Here are the constants built into the Nix expression evaluator:
This allows a Nix expression to fall back gracefully on older Nix
installations that don’t have the desired built-in function.
- `builtins.currentSystem`\
- [`builtins.currentSystem`]{#builtins-currentSystem}\
The built-in value `currentSystem` evaluates to the Nix platform
identifier for the Nix installation on which the expression is being
evaluated, such as `"i686-linux"` or `"x86_64-darwin"`.

2
doc/manual/src/expressions/derivations.md
View file

@ -4,7 +4,7 @@ The most important built-in function is `derivation`, which is used to
describe a single derivation (a build action). It takes as input a set,
the attributes of which specify the inputs of the build.
- There must be an attribute named `system` whose value must be a
- There must be an attribute named [`system`]{#attr-system} whose value must be a
string specifying a Nix system type, such as `"i686-linux"` or
`"x86_64-darwin"`. (To figure out your system type, run `nix -vv
--version`.) The build can only be performed on a machine and

36
doc/manual/src/glossary.md
View file

@ -1,48 +1,48 @@
# Glossary
- derivation\
- [derivation]{#gloss-derivation}\
A description of a build action. The result of a derivation is a
store object. Derivations are typically specified in Nix expressions
using the [`derivation` primitive](expressions/derivations.md). These are
translated into low-level *store derivations* (implicitly by
`nix-env` and `nix-build`, or explicitly by `nix-instantiate`).
- store\
- [store]{#gloss-store}\
The location in the file system where store objects live. Typically
`/nix/store`.
- store path\
- [store path]{#gloss-store-path}\
The location in the file system of a store object, i.e., an
immediate child of the Nix store directory.
- store object\
- [store object]{#gloss-store-object}\
A file that is an immediate child of the Nix store directory. These
can be regular files, but also entire directory trees. Store objects
can be sources (objects copied from outside of the store),
derivation outputs (objects produced by running a build action), or
derivations (files describing a build action).
- substitute\
- [substitute]{#gloss-substitute}\
A substitute is a command invocation stored in the Nix database that
describes how to build a store object, bypassing the normal build
mechanism (i.e., derivations). Typically, the substitute builds the
store object by downloading a pre-built version of the store object
from some server.
- purity\
- [purity]{#gloss-purity}\
The assumption that equal Nix derivations when run always produce
the same output. This cannot be guaranteed in general (e.g., a
builder can rely on external inputs such as the network or the
system time) but the Nix model assumes it.
- Nix expression\
- [Nix expression]{#gloss-nix-expression}\
A high-level description of software packages and compositions
thereof. Deploying software using Nix entails writing Nix
expressions for your packages. Nix expressions are translated to
derivations that are stored in the Nix store. These derivations can
then be built.
- reference\
- [reference]{#gloss-reference}\
A store path `P` is said to have a reference to a store path `Q` if
the store object at `P` contains the path `Q` somewhere. The
*references* of a store path are the set of store paths to which it
@ -52,11 +52,11 @@
output paths), whereas an output path only references other output
paths.
- reachable\
- [reachable]{#gloss-reachable}\
A store path `Q` is reachable from another store path `P` if `Q`
is in the *closure* of the *references* relation.
- closure\
- [closure]{#gloss-closure}\
The closure of a store path is the set of store paths that are
directly or indirectly “reachable” from that store path; that is,
it’s the closure of the path under the *references* relation. For
@ -71,34 +71,34 @@
to path `Q`, then `Q` is in the closure of `P`. Further, if `Q`
references `R` then `R` is also in the closure of `P`.
- output path\
- [output path]{#gloss-output-path}\
A store path produced by a derivation.
- deriver\
- [deriver]{#gloss-deriver}\
The deriver of an *output path* is the store
derivation that built it.
- validity\
- [validity]{#gloss-validity}\
A store path is considered *valid* if it exists in the file system,
is listed in the Nix database as being valid, and if all paths in
its closure are also valid.
- user environment\
- [user environment]{#gloss-user-env}\
An automatically generated store object that consists of a set of
symlinks to “active” applications, i.e., other store paths. These
are generated automatically by
[`nix-env`](command-ref/nix-env.md). See *profiles*.
- profile\
- [profile]{#gloss-profile}\
A symlink to the current *user environment* of a user, e.g.,
`/nix/var/nix/profiles/default`.
- NAR\
- [NAR]{#gloss-nar}\
A *N*ix *AR*chive. This is a serialisation of a path in the Nix
store. It can contain regular files, directories and symbolic
links. NARs are generated and unpacked using `nix-store --dump`
and `nix-store --restore`.
- `∅` \
- [`∅`]{#gloss-emtpy-set}\
The empty set symbol. In the context of profile history, this denotes a package is not present in a particular version of the profile.
- `ε` \
- [`ε`]{#gloss-epsilon}\
The epsilon symbol. In the context of a package, this means the version is empty. More precisely, the derivation does not have a version attribute.

3
doc/manual/src/installation/installing-binary.md
View file

@ -186,7 +186,8 @@ and `/etc/zshrc` which you may remove.
> read-only root will prevent you from manually deleting the empty `/nix`
> mountpoint.
# macOS Installation <a name="sect-macos-installation-change-store-prefix"></a><a name="sect-macos-installation-encrypted-volume"></a><a name="sect-macos-installation-symlink"></a><a name="sect-macos-installation-recommended-notes"></a>
# macOS Installation
[]{#sect-macos-installation-change-store-prefix}[]{#sect-macos-installation-encrypted-volume}[]{#sect-macos-installation-symlink}[]{#sect-macos-installation-recommended-notes}
<!-- Note: anchors above to catch permalinks to old explanations -->
We believe we have ironed out how to cleanly support the read-only root

2
flake.nix
View file

@ -102,7 +102,7 @@
# Tests
buildPackages.git
buildPackages.mercurial # FIXME: remove? only needed for tests
buildPackages.jq
buildPackages.jq # Also for custom mdBook preprocessor.
]
++ lib.optionals stdenv.hostPlatform.isLinux [(buildPackages.util-linuxMinimal or buildPackages.utillinuxMinimal)];