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authorgithub-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>2022-09-26 00:03:58 +0000
committerGitHub <noreply@github.com>2022-09-26 00:03:58 +0000
commite0bea8e01773175988232c84b739b1c027bd1537 (patch)
treed028fbe48d4c0cb4447e5baf30b20851a7f35a92 /pkgs/stdenv
parent3b8aa21fd1e7f703d809a8f0cada5d7badbc734c (diff)
parentd2713c3294f1bfdd76fe96d30b8e9cb0b016d29c (diff)
Merge staging-next into staging
Diffstat (limited to 'pkgs/stdenv')
-rw-r--r--pkgs/stdenv/generic/check-meta.nix45
1 files changed, 32 insertions, 13 deletions
diff --git a/pkgs/stdenv/generic/check-meta.nix b/pkgs/stdenv/generic/check-meta.nix
index f9bea506af6ed..85a9c9c4d41ec 100644
--- a/pkgs/stdenv/generic/check-meta.nix
+++ b/pkgs/stdenv/generic/check-meta.nix
@@ -13,10 +13,6 @@ let
 
   getName = attrs: attrs.name or ("${attrs.pname or "«name-missing»"}-${attrs.version or "«version-missing»"}");
 
-  # See discussion at https://github.com/NixOS/nixpkgs/pull/25304#issuecomment-298385426
-  # for why this defaults to false, but I (@copumpkin) want to default it to true soon.
-  shouldCheckMeta = config.checkMeta or false;
-
   allowUnfree = config.allowUnfree
     || builtins.getEnv "NIXPKGS_ALLOW_UNFREE" == "1";
 
@@ -248,6 +244,16 @@ let
       isEnabled = lib.findFirst (x: x == reason) null showWarnings;
     in if isEnabled != null then builtins.trace msg true else true;
 
+
+  # A shallow type check. We are using NixOS'
+  # option types here, which however have the major drawback
+  # of not providing full type checking (part of the type check is
+  # done by the module evaluation itself). Therefore, the checks
+  # will not recurse into attributes.
+  # We still provide the full type for documentation
+  # purposes and in the hope that they will be used eventually.
+  # See https://github.com/NixOS/nixpkgs/pull/191171 for an attempt
+  # to fix this, or mkOptionType in lib/types.nix for more information.
   metaTypes = with lib.types; rec {
     # These keys are documented
     description = str;
@@ -297,17 +303,23 @@ let
     badPlatforms = platforms;
   };
 
+  # WARNING: this does not check inner values of the attribute, like list elements or nested attributes.
+  # See metaTypes above and mkOptionType in lib/types.nix for more information
   checkMetaAttr = k: v:
     if metaTypes?${k} then
-      if metaTypes.${k}.check v then null else "key '${k}' has a value ${toString v} of an invalid type ${builtins.typeOf v}; expected ${metaTypes.${k}.description}"
-    else "key '${k}' is unrecognized; expected one of: \n\t      [${lib.concatMapStringsSep ", " (x: "'${x}'") (lib.attrNames metaTypes)}]";
-  checkMeta = meta: if shouldCheckMeta then lib.remove null (lib.mapAttrsToList checkMetaAttr meta) else [];
+      if metaTypes.${k}.check v then
+        null
+      else
+        "key 'meta.${k}' has a value of invalid type ${builtins.typeOf v}; expected ${metaTypes.${k}.description}"
+    else
+      "key 'meta.${k}' is unrecognized; expected one of: \n\t      [${lib.concatMapStringsSep ", " (x: "'${x}'") (lib.attrNames metaTypes)}]";
+  checkMeta = meta: if config.checkMeta then lib.remove null (lib.mapAttrsToList checkMetaAttr meta) else [];
 
   checkOutputsToInstall = attrs: let
       expectedOutputs = attrs.meta.outputsToInstall or [];
       actualOutputs = attrs.outputs or [ "out" ];
       missingOutputs = builtins.filter (output: ! builtins.elem output actualOutputs) expectedOutputs;
-    in if shouldCheckMeta
+    in if config.checkMeta
        then builtins.length missingOutputs > 0
        else false;
 
@@ -326,7 +338,17 @@ let
       unsupported = hasUnsupportedPlatform attrs;
       insecure = isMarkedInsecure attrs;
     }
-    // (if hasDeniedUnfreeLicense attrs && !(hasAllowlistedLicense attrs) then
+    // (
+    # Check meta attribute types first, to make sure it is always called even when there are other issues
+    # Note that this is not a full type check and functions below still need to by careful about their inputs!
+    let res = checkMeta (attrs.meta or {}); in if res != [] then
+      { valid = "no"; reason = "unknown-meta"; errormsg = "has an invalid meta attrset:${lib.concatMapStrings (x: "\n\t - " + x) res}"; }
+    # --- Put checks that cannot be ignored here ---
+    else if checkOutputsToInstall attrs then
+      { valid = "no"; reason = "broken-outputs"; errormsg = "has invalid meta.outputsToInstall"; }
+
+    # --- Put checks that can be ignored here ---
+    else if hasDeniedUnfreeLicense attrs && !(hasAllowlistedLicense attrs) then
       { valid = "no"; reason = "unfree"; errormsg = "has an unfree license (‘${showLicense attrs.meta.license}’)"; }
     else if hasBlocklistedLicense attrs then
       { valid = "no"; reason = "blocklisted"; errormsg = "has a blocklisted license (‘${showLicense attrs.meta.license}’)"; }
@@ -338,10 +360,7 @@ let
       { valid = "no"; reason = "unsupported"; errormsg = "is not supported on ‘${hostPlatform.system}’"; }
     else if !(hasAllowedInsecure attrs) then
       { valid = "no"; reason = "insecure"; errormsg = "is marked as insecure"; }
-    else if checkOutputsToInstall attrs then
-      { valid = "no"; reason = "broken-outputs"; errormsg = "has invalid meta.outputsToInstall"; }
-    else let res = checkMeta (attrs.meta or {}); in if res != [] then
-      { valid = "no"; reason = "unknown-meta"; errormsg = "has an invalid meta attrset:${lib.concatMapStrings (x: "\n\t - " + x) res}"; }
+
     # --- warnings ---
     # Please also update the type in /pkgs/top-level/config.nix alongside this.
     else if hasNoMaintainers attrs then