From 20981461d4a2a62c68f4bc7c4258473f7cd7d8e1 Mon Sep 17 00:00:00 2001 From: Qyriad Date: Tue, 21 May 2024 05:29:52 -0600 Subject: print type and value in "flake attr is not a derivation" errors MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This turns errors like: error: flake output attribute 'hydraJobs' is not a derivation or path into errors like: error: expected flake output attribute 'hydraJobs' to be a derivation or path but found a set: { binaryTarball = «thunk»; build = «thunk»; etc> } This change affects all InstallableFlake commands. Change-Id: I899757af418b6f98201006ec6ee13a448c07077c --- .../print-value-in-installable-flake-error.md | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 doc/manual/rl-next/print-value-in-installable-flake-error.md (limited to 'doc') diff --git a/doc/manual/rl-next/print-value-in-installable-flake-error.md b/doc/manual/rl-next/print-value-in-installable-flake-error.md new file mode 100644 index 000000000..ae23b4dda --- /dev/null +++ b/doc/manual/rl-next/print-value-in-installable-flake-error.md @@ -0,0 +1,20 @@ +--- +synopsis: New-cli flake commands that expect derivations now print the failing value and its type +credits: Qyriad +category: Improvements +cls: 1177 +--- + +In errors like `flake output attribute 'legacyPackages.x86_64-linux.lib' is not a derivation or path`, the message now includes the failing value and type. + +Before: + +``` + error: flake output attribute 'nixosConfigurations.yuki.config' is not a derivation or path +```` + +After: + +``` + error: expected flake output attribute 'nixosConfigurations.yuki.config' to be a derivation or path but found a set: { appstream = «thunk»; assertions = «thunk»; boot = { bcache = «thunk»; binfmt = «thunk»; binfmtMiscRegistrations = «thunk»; blacklistedKernelModules = «thunk»; bootMount = «thunk»; bootspec = «thunk»; cleanTmpDir = «thunk»; consoleLogLevel = «thunk»; «43 attributes elided» }; «48 attributes elided» } +``` -- cgit v1.2.3