docs(fix): Fix broken links, add CI to check

.github/workflows/docs.yml

@@ -21,3 +21,36 @@ jobs:
             echo "Function docs are out of date. Please run 'make gen-func-docs' locally and commit the changes."
             exit 1
           fi
+  muffet:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Hugo setup
+        uses: peaceiris/[email protected]
+        with:
+          # keep this in sync with netlify.toml
+          hugo-version: '0.128.0'
+      - uses: actions/checkout@v4
+      - name: Install muffet
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          gh release --repo raviqqe/muffet download -p muffet_linux_amd64.tar.gz
+          tar xvf muffet_linux_amd64.tar.gz muffet
+          sudo mv muffet /usr/local/bin
+      - name: Serve the site and check links
+        run: |
+          set -ex
+
+          cd docs
+          hugo --renderToMemory
+          hugo serve --watch=false --renderToMemory &
+          sleep 2
+
+          muffet http://localhost:1313 \
+            -r8 --max-connections-per-host=4 --buffer-size=8192 \
+            --exclude="https://github\.com.*" \
+            --exclude="https://docs\.aws.*" \
+            --exclude="https://linux.die\.net.*" \
+            --exclude="https://jqplay\.org.*" \
+
+          kill %1

docs-src/content/functions/aws.yml

@@ -23,7 +23,7 @@ funcs:
     alias: ec2meta
     released: v1.8.0
     description: |
-      Queries AWS [EC2 Instance Metadata](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html) for information. This only retrieves data in the `meta-data` path -- for data in the `dynamic` path use `aws.EC2Dynamic`.
+      Queries AWS [EC2 Instance Metadata](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html) for information. This only retrieves data in the `meta-data` path -- for data in the `dynamic` path use `aws.EC2Dynamic`.
 
       For times when running outside EC2, or when the metadata API can't be reached, a `default` value can be provided.
     pipeline: false
@@ -42,7 +42,7 @@ funcs:
     alias: ec2dynamic
     released: v1.8.0
     description: |
-      Queries AWS [EC2 Instance Dynamic Metadata](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html) for information. This only retrieves data in the `dynamic` path -- for data in the `meta-data` path use `aws.EC2Meta`.
+      Queries AWS [EC2 Instance Dynamic Metadata](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html) for information. This only retrieves data in the `dynamic` path -- for data in the `meta-data` path use `aws.EC2Meta`.
 
       For times when running outside EC2, or when the metadata API can't be reached, a `default` value can be provided.
     pipeline: false
@@ -86,7 +86,7 @@ funcs:
     alias: ec2tag
     released: v3.8.0
     description: |
-      Queries the AWS EC2 API to find the value of the given [user-defined tag](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html). An optional default
+      Queries the AWS EC2 API to find the value of the given [user-defined tag](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html). An optional default
       can be provided.
     pipeline: false
     arguments:
@@ -107,7 +107,7 @@ funcs:
     alias: ec2tags
     released: v3.8.0
     description: |
-      Queries the AWS EC2 API to find all the tags/values [user-defined tag](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html).
+      Queries the AWS EC2 API to find all the tags/values [user-defined tag](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html).
     pipeline: false
     arguments:
     examples:
@@ -138,7 +138,7 @@ funcs:
       See [the AWS documentation](https://docs.aws.amazon.com/kms/latest/developerguide/overview.html)
       for more details.
 
-      See also [`aws.KMSDecrypt`](#aws-kmsdecrypt).
+      See also [`aws.KMSDecrypt`](#awskmsdecrypt).
     pipeline: true
     arguments:
       - name: keyID
@@ -162,7 +162,7 @@ funcs:
       See [the AWS documentation](https://docs.aws.amazon.com/kms/latest/developerguide/overview.html)
       for more details.
 
-      See also [`aws.KMSEncrypt`](#aws-kmsencrypt).
+      See also [`aws.KMSEncrypt`](#awskmsencrypt).
     pipeline: true
     arguments:
       - name: input
@@ -179,7 +179,7 @@ funcs:
 
       Wraps the [STS GetCallerIdentity API](https://docs.aws.amazon.com/STS/latest/APIReference/API_GetCallerIdentity.html)
 
-      See also [`aws.UserID`](#aws-userid) and [`aws.ARN`](#aws-arn).
+      See also [`aws.UserID`](#awsuserid) and [`aws.ARN`](#awsarn).
     pipeline: false
     examples:
       - |
@@ -192,7 +192,7 @@ funcs:
 
       Wraps the [STS GetCallerIdentity API](https://docs.aws.amazon.com/STS/latest/APIReference/API_GetCallerIdentity.html)
 
-      See also [`aws.UserID`](#aws-userid) and [`aws.Account`](#aws-account).
+      See also [`aws.UserID`](#awsuserid) and [`aws.Account`](#awsaccount).
     pipeline: false
     examples:
       - |
@@ -203,12 +203,12 @@ funcs:
     description: |
       Returns the unique identifier of the calling entity. The exact value
       depends on the type of entity making the call. The values returned are those
-      listed in the `aws:userid` column in the [Principal table](http://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_variables.html#principaltable)
+      listed in the `aws:userid` column in the [Principal table](https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_variables.html#principaltable)
       found on the Policy Variables reference page in the IAM User Guide.
 
       Wraps the [STS GetCallerIdentity API](https://docs.aws.amazon.com/STS/latest/APIReference/API_GetCallerIdentity.html)
 
-      See also [`aws.ARN`](#aws-arn) and [`aws.Account`](#aws-account).
+      See also [`aws.ARN`](#awsarn) and [`aws.Account`](#awsaccount).
     pipeline: false
     examples:
       - |

docs-src/content/functions/base64.yml

@@ -23,7 +23,7 @@ funcs:
       Decode a Base64 string. This supports both standard ([RFC4648 §4](https://tools.ietf.org/html/rfc4648#section-4)) and URL-safe ([RFC4648 §5](https://tools.ietf.org/html/rfc4648#section-5)) encodings.
 
       This function outputs the data as a string, so it may not be appropriate
-      for decoding binary data. Use [`base64.DecodeBytes`](#base64.DecodeBytes)
+      for decoding binary data. Use [`base64.DecodeBytes`](#base64decodebytes)
       for binary data.
     pipeline: true
     arguments:
@@ -44,7 +44,7 @@ funcs:
 
       This function outputs the data as a byte array, so it's most useful for
       outputting binary data that will be processed further.
-      Use [`base64.Decode`](#base64.Decode) to output a plain string.
+      Use [`base64.Decode`](#base64decode) to output a plain string.
     pipeline: false
     arguments:
       - name: input

docs-src/content/functions/coll.yml

@@ -19,11 +19,11 @@ funcs:
       All keys are converted to strings.
 
       This function is equivalent to [Sprig's `dict`](http://masterminds.github.io/sprig/dicts.html#dict)
-      function, as used in [Helm templates](https://docs.helm.sh/chart_template_guide#template-functions-and-pipelines).
+      function, as used in [Helm templates](https://helm.sh/docs/chart_template_guide/functions_and_pipelines/).
 
-      For creating more complex maps, see [`data.JSON`](../data/#data-json) or [`data.YAML`](../data/#data-yaml).
+      For creating more complex maps, see [`data.JSON`](../data/#datajson) or [`data.YAML`](../data/#datayaml).
 
-      For creating arrays, see [`coll.Slice`](#coll-slice).
+      For creating arrays, see [`coll.Slice`](#collslice-_deprecated_).
     arguments:
       - name: in...
         required: true
@@ -63,7 +63,7 @@ funcs:
   - name: coll.GoSlice
     released: v4.0.0
     description: |
-      This exposes the `slice` function from Go's [`text/template`](https://golang.org/pkg/text/template/#hdr-Functions)
+      This exposes the `slice` function from Go's [`text/template`](https://pkg.go.dev/text/template/#hdr-Functions)
       package. Note that using `slice` will use the `coll.Slice` function instead,
       which may not be desired.
       For some background on this, see [this issue](https://github.com/hairyhenderson/gomplate/issues/1461).
@@ -209,7 +209,7 @@ funcs:
       The keys will be ordered first by map position (if multiple maps are given),
       then alphabetically.
 
-      See also [`coll.Values`](#coll-values).
+      See also [`coll.Values`](#collvalues).
     pipeline: true
     arguments:
       - name: in...
@@ -230,7 +230,7 @@ funcs:
       The values will be ordered first by map position (if multiple maps are given),
       then alphabetically by key.
 
-      See also [`coll.Keys`](#coll-keys).
+      See also [`coll.Keys`](#collkeys).
     pipeline: true
     arguments:
       - name: in...
@@ -250,7 +250,7 @@ funcs:
 
       _Note that this function does not change the given list; it always produces a new one._
 
-      See also [`coll.Prepend`](#coll-prepend).
+      See also [`coll.Prepend`](#collprepend).
     pipeline: true
     arguments:
       - name: value
@@ -271,7 +271,7 @@ funcs:
 
       _Note that this function does not change the given list; it always produces a new one._
 
-      See also [`coll.Append`](#coll-append).
+      See also [`coll.Append`](#collappend).
     pipeline: true
     arguments:
       - name: value
@@ -412,7 +412,7 @@ funcs:
 
       The keys can either be separate arguments, or a slice (since v4.0.0).
 
-      This is the inverse of [`coll.Omit`](#coll-omit).
+      This is the inverse of [`coll.Omit`](#collomit).
 
       _Note that this function does not modify the input._
     pipeline: true
@@ -440,7 +440,7 @@ funcs:
 
       The keys can either be separate arguments, or a slice (since v4.0.0).
 
-      This is the inverse of [`coll.Pick`](#coll-pick).
+      This is the inverse of [`coll.Pick`](#collpick).
 
       _Note that this function does not modify the input._
     pipeline: true

docs-src/content/functions/conv.yml

@@ -8,7 +8,7 @@ funcs:
     alias: bool
     released: v0.2.0
     description: |
-      **Note:** See also [`conv.ToBool`](#conv-tobool) for a more flexible variant.
+      **Note:** See also [`conv.ToBool`](#convtobool) for a more flexible variant.
 
       Converts a true-ish string to a boolean. Can be used to simplify conditional statements based on environment variables or other text input.
     pipeline: true
@@ -38,7 +38,7 @@ funcs:
 
       Note that this will not provide a default for the case where the input is undefined
       (i.e. referencing things like `.foo` where there is no `foo` field of `.`), but
-      [`conv.Has`](#conv-has) can be used for that.
+      [`coll.Has`](../coll/#collhas) can be used for that.
     pipeline: true
     arguments:
       - name: default
@@ -52,7 +52,7 @@ funcs:
         $ gomplate -i '{{ "" | default "foo" }} {{ "bar" | default "baz" }}'
         foo bar
   - name: conv.Dict
-    deprecated: Renamed to [`coll.Dict`](#coll-dict)
+    deprecated: Renamed to [`coll.Dict`](../coll/#colldict)
     alias: dict
     released: v3.0.0
     description: |
@@ -64,11 +64,11 @@ funcs:
       All keys are converted to strings.
 
       This function is equivalent to [Sprig's `dict`](http://masterminds.github.io/sprig/dicts.html#dict)
-      function, as used in [Helm templates](https://docs.helm.sh/chart_template_guide#template-functions-and-pipelines).
+      function, as used in [Helm templates](https://helm.sh/docs/chart_template_guide/functions_and_pipelines/).
 
-      For creating more complex maps, see [`data.JSON`](../data/#data-json) or [`data.YAML`](../data/#data-yaml).
+      For creating more complex maps, see [`data.JSON`](../data/#datajson) or [`data.YAML`](../data/#datayaml).
 
-      For creating arrays, see [`coll.Slice`](#coll-slice).
+      For creating arrays, see [`coll.Slice`](../coll/#collslice-_deprecated_).
     arguments:
       - name: in...
         required: true
@@ -89,7 +89,7 @@ funcs:
         Hello world!
         Hello everybody!
   - name: conv.Slice
-    deprecated: Renamed to [`coll.Slice`](#coll-slice)
+    deprecated: Renamed to [`coll.Slice`](../coll/#collslice-_deprecated_)
     alias: slice
     released: v0.3.0
     description: |
@@ -106,7 +106,7 @@ funcs:
         Hello, Lisa
         Hello, Maggie
   - name: conv.Has
-    deprecated: Renamed to [`coll.Has`](#coll-has)
+    deprecated: Renamed to [`coll.Has`](../coll/#collhas)
     alias: has
     released: v1.5.0
     description: |
@@ -153,7 +153,7 @@ funcs:
     alias: urlParse
     released: v2.0.0
     description: |
-      Parses a string as a URL for later use. Equivalent to [url.Parse](https://golang.org/pkg/net/url/#Parse)
+      Parses a string as a URL for later use. Equivalent to [url.Parse](https://pkg.go.dev/net/url/#Parse)
 
       Any of `url.URL`'s methods can be called on the result.
     arguments:
@@ -185,9 +185,9 @@ funcs:
   - name: conv.ParseInt
     released: v1.4.0
     description: |
-      _**Note:**_ See [`conv.ToInt64`](#conv-toint64) instead for a simpler and more flexible variant of this function.
+      _**Note:**_ See [`conv.ToInt64`](#convtoint64) instead for a simpler and more flexible variant of this function.
 
-      Parses a string as an int64. Equivalent to [strconv.ParseInt](https://golang.org/pkg/strconv/#ParseInt)
+      Parses a string as an int64. Equivalent to [strconv.ParseInt](https://pkg.go.dev/strconv/#ParseInt)
     rawExamples:
       - |
         _`input.tmpl`:_
@@ -204,9 +204,9 @@ funcs:
   - name: conv.ParseFloat
     released: v1.4.0
     description: |
-      _**Note:**_ See [`conv.ToFloat`](#conv-tofloat) instead for a simpler and more flexible variant of this function.
+      _**Note:**_ See [`conv.ToFloat64`](#convtofloat64) instead for a simpler and more flexible variant of this function.
 
-      Parses a string as an float64 for later use. Equivalent to [strconv.ParseFloat](https://golang.org/pkg/strconv/#ParseFloat)
+      Parses a string as an float64 for later use. Equivalent to [strconv.ParseFloat](https://pkg.go.dev/strconv/#ParseFloat)
     rawExamples:
       - |
         _`input.tmpl`:_
@@ -224,7 +224,7 @@ funcs:
   - name: conv.ParseUint
     released: v1.4.0
     description: |
-      Parses a string as an uint64 for later use. Equivalent to [strconv.ParseUint](https://golang.org/pkg/strconv/#ParseUint)
+      Parses a string as an uint64 for later use. Equivalent to [strconv.ParseUint](https://pkg.go.dev/strconv/#ParseUint)
     rawExamples:
       - |
         _`input.tmpl`:_
@@ -241,9 +241,9 @@ funcs:
   - name: conv.Atoi
     released: v1.4.0
     description: |
-      _**Note:**_ See [`conv.ToInt`](#conv-toint) and [`conv.ToInt64`](#conv-toint64) instead for simpler and more flexible variants of this function.
+      _**Note:**_ See [`conv.ToInt`](#convtoint) and [`conv.ToInt64`](#convtoint64) instead for simpler and more flexible variants of this function.
 
-      Parses a string as an int for later use. Equivalent to [strconv.Atoi](https://golang.org/pkg/strconv/#Atoi)
+      Parses a string as an int for later use. Equivalent to [strconv.Atoi](https://pkg.go.dev/strconv/#Atoi)
     rawExamples:
       - |
         _`input.tmpl`:_
@@ -324,7 +324,7 @@ funcs:
     released: v2.2.0
     description: |
       Converts the input to an `int` (signed integer, 32- or 64-bit depending
-      on platform). This is similar to [`conv.ToInt64`](#conv-toint64) on 64-bit
+      on platform). This is similar to [`conv.ToInt64`](#convtoint64) on 64-bit
       platforms, but is useful when input to another function must be provided
       as an `int`.
 
@@ -335,7 +335,7 @@ funcs:
       [CWE-190](https://cwe.mitre.org/data/definitions/190.html) and
       [CWE-681](https://cwe.mitre.org/data/definitions/681.html).
 
-      See also [`conv.ToInt64`](#conv-toint64).
+      See also [`conv.ToInt64`](#convtoint64).
     arguments:
       - name: in
         required: true
@@ -357,7 +357,7 @@ funcs:
 
       Unconvertable inputs will result in errors.
 
-      This delegates to [`conv.ToInt64`](#conv-toint64) for each input argument.
+      This delegates to [`conv.ToInt64`](#convtoint64) for each input argument.
     arguments:
       - name: in...
         required: true
@@ -373,7 +373,7 @@ funcs:
 
       Unconvertable inputs will result in errors.
 
-      This delegates to [`conv.ToInt`](#conv-toint) for each input argument.
+      This delegates to [`conv.ToInt`](#convtoint) for each input argument.
     arguments:
       - name: in...
         required: true
@@ -409,7 +409,7 @@ funcs:
 
       Unconvertable inputs will result in errors.
 
-      This delegates to [`conv.ToFloat64`](#conv-tofloat64) for each input argument.
+      This delegates to [`conv.ToFloat64`](#convtofloat64) for each input argument.
     arguments:
       - name: in...
         required: true
@@ -441,7 +441,7 @@ funcs:
     description: |
       Converts the inputs (of any type) to an array of `string`s
 
-      This delegates to [`conv.ToString`](#conv-tostring) for each input argument.
+      This delegates to [`conv.ToString`](#convtostring) for each input argument.
     arguments:
       - name: in...
         required: true