feat(cmd): support link resolution with partial filesystems

.gomarkdoc.yml

@@ -6,4 +6,4 @@ header: |+
 repository:
   url: https://github.com/princjef/gomarkdoc
   defaultBranch: master
-  directory: .
+  path: /

cmd/gomarkdoc/command.go

@@ -91,7 +91,7 @@ func buildCommand() *cobra.Command {
 			opts.footerFile = viper.GetString("footerFile")
 			opts.repository.Remote = viper.GetString("repository.url")
 			opts.repository.DefaultBranch = viper.GetString("repository.defaultBranch")
-			opts.repository.RootDir = viper.GetString("repository.directory")
+			opts.repository.PathFromRoot = viper.GetString("repository.path")
 
 			if opts.check && opts.output == "" {
 				log.Fatal("check mode cannot be run without an output set")
@@ -198,10 +198,10 @@ func buildCommand() *cobra.Command {
 		"Manual override for the git repository URL used in place of automatic detection.",
 	)
 	command.Flags().StringVar(
-		&opts.repository.RootDir,
-		"repository.directory",
+		&opts.repository.PathFromRoot,
+		"repository.path",
 		"",
-		"Manual override for the root directory of the git repository use in place of automatic detection.",
+		"Manual override for the path from the root of the git repository used in place of automatic detection.",
 	)
 	command.Flags().BoolVar(
 		&opts.version,
@@ -223,7 +223,7 @@ func buildCommand() *cobra.Command {
 	_ = viper.BindPFlag("footerFile", command.Flags().Lookup("footer-file"))
 	_ = viper.BindPFlag("repository.url", command.Flags().Lookup("repository.url"))
 	_ = viper.BindPFlag("repository.defaultBranch", command.Flags().Lookup("repository.default-branch"))
-	_ = viper.BindPFlag("repository.directory", command.Flags().Lookup("repository.directory"))
+	_ = viper.BindPFlag("repository.path", command.Flags().Lookup("repository.path"))
 
 	return command
 }

format/README.md

@@ -65,15 +65,15 @@ AzureDevOpsMarkdown provides a Format which is compatible with Azure DevOps's sy
 type AzureDevOpsMarkdown struct{}
 ```
 
-### func \(\*AzureDevOpsMarkdown\) [Accordion](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L102>)
+### func \(\*AzureDevOpsMarkdown\) [Accordion](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L111>)
 
 ```go
 func (f *AzureDevOpsMarkdown) Accordion(title, body string) (string, error)
 ```
 
 Accordion generates a collapsible content\. The accordion's visible title while collapsed is the provided title and the expanded content is the body\.
 
-### func \(\*AzureDevOpsMarkdown\) [AccordionHeader](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L113>)
+### func \(\*AzureDevOpsMarkdown\) [AccordionHeader](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L122>)
 
 ```go
 func (f *AzureDevOpsMarkdown) AccordionHeader(title string) (string, error)
@@ -87,7 +87,7 @@ The AccordionHeader is expected to be used in conjunction with AccordionTerminat
 accordion := format.AccordionHeader("Accordion Title") + "Accordion Body" + format.AccordionTerminator()
 ```
 
-### func \(\*AzureDevOpsMarkdown\) [AccordionTerminator](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L120>)
+### func \(\*AzureDevOpsMarkdown\) [AccordionTerminator](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L129>)
 
 ```go
 func (f *AzureDevOpsMarkdown) AccordionTerminator() (string, error)
@@ -119,7 +119,7 @@ func (f *AzureDevOpsMarkdown) CodeHref(loc lang.Location) (string, error)
 
 CodeHref generates an href to the provided code entry\.
 
-### func \(\*AzureDevOpsMarkdown\) [Escape](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L130>)
+### func \(\*AzureDevOpsMarkdown\) [Escape](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L139>)
 
 ```go
 func (f *AzureDevOpsMarkdown) Escape(text string) string
@@ -135,15 +135,15 @@ func (f *AzureDevOpsMarkdown) Header(level int, text string) (string, error)
 
 Header converts the provided text into a header of the provided level\. The level is expected to be at least 1\.
 
-### func \(\*AzureDevOpsMarkdown\) [Link](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L89>)
+### func \(\*AzureDevOpsMarkdown\) [Link](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L98>)
 
 ```go
 func (f *AzureDevOpsMarkdown) Link(text, href string) (string, error)
 ```
 
 Link generates a link with the given text and href values\.
 
-### func \(\*AzureDevOpsMarkdown\) [ListEntry](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L96>)
+### func \(\*AzureDevOpsMarkdown\) [ListEntry](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L105>)
 
 ```go
 func (f *AzureDevOpsMarkdown) ListEntry(depth int, text string) (string, error)
@@ -159,7 +159,7 @@ func (f *AzureDevOpsMarkdown) LocalHref(headerText string) (string, error)
 
 LocalHref generates an href for navigating to a header with the given headerText located within the same document as the href itself\. Link generation follows the guidelines here: https://docs\.microsoft\.com/en\-us/azure/devops/project/wiki/markdown\-guidance?view=azure\-devops\#anchor\-links
 
-### func \(\*AzureDevOpsMarkdown\) [Paragraph](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L125>)
+### func \(\*AzureDevOpsMarkdown\) [Paragraph](<https://github.com/princjef/gomarkdoc/blob/master/format/devops.go#L134>)
 
 ```go
 func (f *AzureDevOpsMarkdown) Paragraph(text string) (string, error)
@@ -248,15 +248,15 @@ GitHubFlavoredMarkdown provides a Format which is compatible with GitHub Flavore
 type GitHubFlavoredMarkdown struct{}
 ```
 
-### func \(\*GitHubFlavoredMarkdown\) [Accordion](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L105>)
+### func \(\*GitHubFlavoredMarkdown\) [Accordion](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L114>)
 
 ```go
 func (f *GitHubFlavoredMarkdown) Accordion(title, body string) (string, error)
 ```
 
 Accordion generates a collapsible content\. The accordion's visible title while collapsed is the provided title and the expanded content is the body\.
 
-### func \(\*GitHubFlavoredMarkdown\) [AccordionHeader](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L116>)
+### func \(\*GitHubFlavoredMarkdown\) [AccordionHeader](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L125>)
 
 ```go
 func (f *GitHubFlavoredMarkdown) AccordionHeader(title string) (string, error)
@@ -270,7 +270,7 @@ The AccordionHeader is expected to be used in conjunction with AccordionTerminat
 accordion := format.AccordionHeader("Accordion Title") + "Accordion Body" + format.AccordionTerminator()
 ```
 
-### func \(\*GitHubFlavoredMarkdown\) [AccordionTerminator](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L123>)
+### func \(\*GitHubFlavoredMarkdown\) [AccordionTerminator](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L132>)
 
 ```go
 func (f *GitHubFlavoredMarkdown) AccordionTerminator() (string, error)
@@ -302,7 +302,7 @@ func (f *GitHubFlavoredMarkdown) CodeHref(loc lang.Location) (string, error)
 
 CodeHref generates an href to the provided code entry\.
 
-### func \(\*GitHubFlavoredMarkdown\) [Escape](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L133>)
+### func \(\*GitHubFlavoredMarkdown\) [Escape](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L142>)
 
 ```go
 func (f *GitHubFlavoredMarkdown) Escape(text string) string
@@ -326,7 +326,7 @@ func (f *GitHubFlavoredMarkdown) Link(text, href string) (string, error)
 
 Link generates a link with the given text and href values\.
 
-### func \(\*GitHubFlavoredMarkdown\) [ListEntry](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L99>)
+### func \(\*GitHubFlavoredMarkdown\) [ListEntry](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L108>)
 
 ```go
 func (f *GitHubFlavoredMarkdown) ListEntry(depth int, text string) (string, error)
@@ -342,7 +342,7 @@ func (f *GitHubFlavoredMarkdown) LocalHref(headerText string) (string, error)
 
 LocalHref generates an href for navigating to a header with the given headerText located within the same document as the href itself\.
 
-### func \(\*GitHubFlavoredMarkdown\) [Paragraph](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L128>)
+### func \(\*GitHubFlavoredMarkdown\) [Paragraph](<https://github.com/princjef/gomarkdoc/blob/master/format/github.go#L137>)
 
 ```go
 func (f *GitHubFlavoredMarkdown) Paragraph(text string) (string, error)

format/devops.go

@@ -63,12 +63,21 @@ func (f *AzureDevOpsMarkdown) CodeHref(loc lang.Location) (string, error) {
 		return "", nil
 	}
 
-	fullPath, err := filepath.Abs(loc.Filepath)
-	if err != nil {
-		return "", err
+	var (
+		relative string
+		err      error
+	)
+	if filepath.IsAbs(loc.Filepath) {
+		relative, err = filepath.Rel(loc.WorkDir, loc.Filepath)
+		if err != nil {
+			return "", err
+		}
+	} else {
+		relative = loc.Filepath
 	}
 
-	p, err := filepath.Rel(loc.Repo.RootDir, fullPath)
+	full := filepath.Join(loc.Repo.PathFromRoot, relative)
+	p, err := filepath.Rel(string(filepath.Separator), full)
 	if err != nil {
 		return "", err
 	}

format/devops_test.go

@@ -119,22 +119,20 @@ func TestLocalHref(t *testing.T) {
 func TestCodeHref(t *testing.T) {
 	is := is.New(t)
 
-	repoDir, err := filepath.Abs(".")
+	wd, err := filepath.Abs(".")
 	is.NoErr(err)
-
-	locPath, err := filepath.Abs(".")
-	is.NoErr(err)
-	locPath = filepath.Join(locPath, "subdir", "file.go")
+	locPath := filepath.Join(wd, "subdir", "file.go")
 
 	var f format.AzureDevOpsMarkdown
 	res, err := f.CodeHref(lang.Location{
 		Start:    lang.Position{Line: 12, Col: 1},
 		End:      lang.Position{Line: 14, Col: 43},
 		Filepath: locPath,
+		WorkDir:  wd,
 		Repo: &lang.Repo{
 			Remote:        "https://dev.azure.com/org/project/_git/repo",
 			DefaultBranch: "master",
-			RootDir:       repoDir,
+			PathFromRoot:  "/",
 		},
 	})
 	is.NoErr(err)
@@ -144,15 +142,16 @@ func TestCodeHref(t *testing.T) {
 func TestCodeHref_noRepo(t *testing.T) {
 	is := is.New(t)
 
-	locPath, err := filepath.Abs(".")
+	wd, err := filepath.Abs(".")
 	is.NoErr(err)
-	locPath = filepath.Join(locPath, "subdir", "file.go")
+	locPath := filepath.Join(wd, "subdir", "file.go")
 
 	var f format.AzureDevOpsMarkdown
 	res, err := f.CodeHref(lang.Location{
 		Start:    lang.Position{Line: 12, Col: 1},
 		End:      lang.Position{Line: 14, Col: 43},
 		Filepath: locPath,
+		WorkDir:  wd,
 		Repo:     nil,
 	})
 	is.NoErr(err)

format/github.go

@@ -67,12 +67,21 @@ func (f *GitHubFlavoredMarkdown) CodeHref(loc lang.Location) (string, error) {
 		return "", nil
 	}
 
-	fullPath, err := filepath.Abs(loc.Filepath)
-	if err != nil {
-		return "", err
+	var (
+		relative string
+		err      error
+	)
+	if filepath.IsAbs(loc.Filepath) {
+		relative, err = filepath.Rel(loc.WorkDir, loc.Filepath)
+		if err != nil {
+			return "", err
+		}
+	} else {
+		relative = loc.Filepath
 	}
 
-	p, err := filepath.Rel(loc.Repo.RootDir, fullPath)
+	full := filepath.Join(loc.Repo.PathFromRoot, relative)
+	p, err := filepath.Rel(string(filepath.Separator), full)
 	if err != nil {
 		return "", err
 	}