nix3-show-config(1)

📦
version 2.18.1 · 2 versions
, in ubuntu noble

💖 nix3-show-config(1) 💖

General Commands Manual · nix3-show-config · the girlies are reading the manpage fr fr 🎀

⚠️ Warning — this program is experimental and its interface is subject to change. Translation: it's giving beta energy, don't build your whole personality on it staying the same bestie 😭

✨ Name ✨

nix show-config — show the Nix configuration, or the value of one specific setting 👑

🌸 Synopsis 🌸

nix show-config [option…] name

🦋 Options 🦋

  • --json — spit the output out in JSON format, so another program can eat it. it's giving machine-readable, no cap 🤖✨
  • --debug — crank the logging verbosity level all the way to debug. she's nosy and we love that 🔍
  • --log-format format — set what the log output looks like; pick one of raw, internal-json, bar or bar-with-logs. choose your fighter ✨
  • --print-build-logs / -L — print the full build logs on standard error. all of it. the whole thing 📜
  • --quiet — decrease the logging verbosity level. shhh, we're being lowkey 🤫
  • --verbose / -v — increase the logging verbosity level. louder!! tell me everything 🗣️

🌈 Miscellaneous global options 🌈

  • --help — show usage information. the classic "help me" button 🆘
  • --offline — disable substituters and treat every previously downloaded file as up-to-date. we're off the grid, no wifi, main character ✈️
  • --option name value — set the Nix configuration setting name to value, overriding nix.conf. sneaky little override, iykyk 😏
  • --refresh — treat all previously downloaded files as out-of-date. everything is old now, deal with it 💀
  • --version — show version information. which era are we in 🕰️

👑 Options to override configuration settings 👑

this section is a whole buffet bestie. every single one, no skips 🍓
  • --accept-flake-config — Enable the accept-flake-config setting.
  • --access-tokens value — Set the access-tokens setting.
  • --allow-dirty — Enable the allow-dirty setting.
  • --allow-import-from-derivation — Enable the allow-import-from-derivation setting.
  • --allow-new-privileges — Enable the allow-new-privileges setting.
  • --allow-symlinked-store — Enable the allow-symlinked-store setting.
  • --allow-unsafe-native-code-during-evaluation — Enable the allow-unsafe-native-code-during-evaluation setting.
  • --allowed-impure-host-deps value — Set the allowed-impure-host-deps setting.
  • --allowed-uris value — Set the allowed-uris setting.
  • --allowed-users value — Set the allowed-users setting.
  • --auto-allocate-uids — Enable the auto-allocate-uids setting.
  • --auto-optimise-store — Enable the auto-optimise-store setting.
  • --bash-prompt value — Set the bash-prompt setting.
  • --bash-prompt-prefix value — Set the bash-prompt-prefix setting.
  • --bash-prompt-suffix value — Set the bash-prompt-suffix setting.
  • --build-hook value — Set the build-hook setting.
  • --build-poll-interval value — Set the build-poll-interval setting.
  • --build-users-group value — Set the build-users-group setting.
  • --builders value — Set the builders setting.
  • --builders-use-substitutes — Enable the builders-use-substitutes setting.
  • --commit-lockfile-summary value — Set the commit-lockfile-summary setting.
  • --compress-build-log — Enable the compress-build-log setting.
  • --connect-timeout value — Set the connect-timeout setting.
  • --cores value — Set the cores setting.
  • --diff-hook value — Set the diff-hook setting.
  • --download-attempts value — Set the download-attempts setting.
  • --download-speed value — Set the download-speed setting.
  • --eval-cache — Enable the eval-cache setting.
  • --experimental-features value — Set the experimental-features setting.
  • --extra-access-tokens value — Append to the access-tokens setting.
  • --extra-allowed-impure-host-deps value — Append to the allowed-impure-host-deps setting.
  • --extra-allowed-uris value — Append to the allowed-uris setting.
  • --extra-allowed-users value — Append to the allowed-users setting.
  • --extra-build-hook value — Append to the build-hook setting.
  • --extra-experimental-features value — Append to the experimental-features setting.
  • --extra-extra-platforms value — Append to the extra-platforms setting.
  • --extra-hashed-mirrors value — Append to the hashed-mirrors setting.
  • --extra-ignored-acls value — Append to the ignored-acls setting.
  • --extra-nix-path value — Append to the nix-path setting.
  • --extra-platforms value — Set the extra-platforms setting.
  • --extra-plugin-files value — Append to the plugin-files setting.
  • --extra-sandbox-paths value — Append to the sandbox-paths setting.
  • --extra-secret-key-files value — Append to the secret-key-files setting.
  • --extra-substituters value — Append to the substituters setting.
  • --extra-system-features value — Append to the system-features setting.
  • --extra-trusted-public-keys value — Append to the trusted-public-keys setting.
  • --extra-trusted-substituters value — Append to the trusted-substituters setting.
  • --extra-trusted-users value — Append to the trusted-users setting.
  • --fallback — Enable the fallback setting.
  • --filter-syscalls — Enable the filter-syscalls setting.
  • --flake-registry value — Set the flake-registry setting.
  • --fsync-metadata — Enable the fsync-metadata setting.
  • --gc-reserved-space value — Set the gc-reserved-space setting.
  • --hashed-mirrors value — Set the hashed-mirrors setting.
  • --http-connections value — Set the http-connections setting.
  • --http2 — Enable the http2 setting.
  • --id-count value — Set the id-count setting.
  • --ignore-try — Enable the ignore-try setting.
  • --ignored-acls value — Set the ignored-acls setting.
  • --impersonate-linux-26 — Enable the impersonate-linux-26 setting.
  • --keep-build-log — Enable the keep-build-log setting.
  • --keep-derivations — Enable the keep-derivations setting.
  • --keep-env-derivations — Enable the keep-env-derivations setting.
  • --keep-failed — Enable the keep-failed setting.
  • --keep-going — Enable the keep-going setting.
  • --keep-outputs — Enable the keep-outputs setting.
  • --log-lines value — Set the log-lines setting.
  • --max-build-log-size value — Set the max-build-log-size setting.
  • --max-free value — Set the max-free setting.
  • --max-jobs value — Set the max-jobs setting.
  • --max-silent-time value — Set the max-silent-time setting.
  • --max-substitution-jobs value — Set the max-substitution-jobs setting.
  • --min-free value — Set the min-free setting.
  • --min-free-check-interval value — Set the min-free-check-interval setting.
  • --nar-buffer-size value — Set the nar-buffer-size setting.
  • --narinfo-cache-negative-ttl value — Set the narinfo-cache-negative-ttl setting.
  • --narinfo-cache-positive-ttl value — Set the narinfo-cache-positive-ttl setting.
  • --netrc-file value — Set the netrc-file setting.
  • --nix-path value — Set the nix-path setting.
  • --no-accept-flake-config — Disable the accept-flake-config setting.
  • --no-allow-dirty — Disable the allow-dirty setting.
  • --no-allow-import-from-derivation — Disable the allow-import-from-derivation setting.
  • --no-allow-new-privileges — Disable the allow-new-privileges setting.
  • --no-allow-symlinked-store — Disable the allow-symlinked-store setting.
  • --no-allow-unsafe-native-code-during-evaluation — Disable the allow-unsafe-native-code-during-evaluation setting.
  • --no-auto-allocate-uids — Disable the auto-allocate-uids setting.
  • --no-auto-optimise-store — Disable the auto-optimise-store setting.
  • --no-builders-use-substitutes — Disable the builders-use-substitutes setting.
  • --no-compress-build-log — Disable the compress-build-log setting.
  • --no-eval-cache — Disable the eval-cache setting.
  • --no-fallback — Disable the fallback setting.
  • --no-filter-syscalls — Disable the filter-syscalls setting.
  • --no-fsync-metadata — Disable the fsync-metadata setting.
  • --no-http2 — Disable the http2 setting.
  • --no-ignore-try — Disable the ignore-try setting.
  • --no-impersonate-linux-26 — Disable the impersonate-linux-26 setting.
  • --no-keep-build-log — Disable the keep-build-log setting.
  • --no-keep-derivations — Disable the keep-derivations setting.
  • --no-keep-env-derivations — Disable the keep-env-derivations setting.
  • --no-keep-failed — Disable the keep-failed setting.
  • --no-keep-going — Disable the keep-going setting.
  • --no-keep-outputs — Disable the keep-outputs setting.
  • --no-preallocate-contents — Disable the preallocate-contents setting.
  • --no-print-missing — Disable the print-missing setting.
  • --no-pure-eval — Disable the pure-eval setting.
  • --no-require-drop-supplementary-groups — Disable the require-drop-supplementary-groups setting.
  • --no-require-sigs — Disable the require-sigs setting.
  • --no-restrict-eval — Disable the restrict-eval setting.
  • --no-run-diff-hook — Disable the run-diff-hook setting.
  • --no-sandbox — Disable sandboxing.
  • --no-sandbox-fallback — Disable the sandbox-fallback setting.
  • --no-show-trace — Disable the show-trace setting.
  • --no-substitute — Disable the substitute setting.
  • --no-sync-before-registering — Disable the sync-before-registering setting.
  • --no-trace-function-calls — Disable the trace-function-calls setting.
  • --no-trace-verbose — Disable the trace-verbose setting.
  • --no-use-case-hack — Disable the use-case-hack setting.
  • --no-use-cgroups — Disable the use-cgroups setting.
  • --no-use-registries — Disable the use-registries setting.
  • --no-use-sqlite-wal — Disable the use-sqlite-wal setting.
  • --no-use-xdg-base-directories — Disable the use-xdg-base-directories setting.
  • --no-warn-dirty — Disable the warn-dirty setting.
  • --plugin-files value — Set the plugin-files setting.
  • --post-build-hook value — Set the post-build-hook setting.
  • --pre-build-hook value — Set the pre-build-hook setting.
  • --preallocate-contents
  • --preallocate-contents — turns on the preallocate-contents setting, bestie. ✨
  • --print-missing — flips the print-missing setting to on. 💅
  • --pure-eval — activates the pure-eval setting. 🧚
  • --relaxed-sandbox — enables sandboxing, but lowkey lets builds disable it. 🙈
  • --require-drop-supplementary-groups — turns on the require-drop-supplementary-groups setting. 🔥
  • --require-sigs — enables the require-sigs setting. 👑
  • --restrict-eval — turns on the restrict-eval setting. 💜
  • --run-diff-hook — enables the run-diff-hook setting. 🎀
  • --sandbox — enables sandboxing, periodt. 🦋
  • --sandbox-build-dir value — sets the sandbox-build-dir setting. 🌸
  • --sandbox-dev-shm-size value — sets the sandbox-dev-shm-size setting. 💖
  • --sandbox-fallback — enables the sandbox-fallback setting. ⭐
  • --sandbox-paths value — sets the sandbox-paths setting. 🌈
  • --secret-key-files value — sets the secret-key-files setting. 🔐
  • --show-trace — enables the show-trace setting. 💀
  • --ssl-cert-file value — sets the ssl-cert-file setting. 🍓
  • --stalled-download-timeout value — sets the stalled-download-timeout setting. ⏳
  • --start-id value — sets the start-id setting. 🆔
  • --store value — sets the store setting. 🏪
  • --substitute — enables the substitute setting. 🔄
  • --substituters value — sets the substituters setting. 🧃
  • --sync-before-registering — turns on the sync-before-registering setting. 🔁
  • --system value — sets the system setting. 💻
  • --system-features value — sets the system-features setting. ✨
  • --tarball-ttl value — sets the tarball-ttl setting. 📦
  • --timeout value — sets the timeout setting. ⏰
  • --trace-function-calls — enables the trace-function-calls setting. 📞
  • --trace-verbose — enables the trace-verbose setting. 🗣️
  • --trusted-public-keys value — sets the trusted-public-keys setting. 🔑
  • --trusted-substituters value — sets the trusted-substituters setting. 🤝
  • --trusted-users value — sets the trusted-users setting. 👥
  • --use-case-hack — enables the use-case-hack setting. 🧩
  • --use-cgroups — enables the use-cgroups setting. 🧬
  • --use-registries — enables the use-registries setting. 📋
  • --use-sqlite-wal — enables the use-sqlite-wal setting. 🗄️
  • --use-xdg-base-directories — enables the use-xdg-base-directories setting. 📁
  • --user-agent-suffix value — sets the user-agent-suffix setting. 🕵️
  • --warn-dirty — enables the warn-dirty setting. 🧼

and that's the whole list, bestie! this page is from the Nix manual — the footer has the version and date if you ever need to cite it. stay iconic. 💖✨

📦 where this page comes from