Commit template is halfway through

README.md

@@ -9,7 +9,7 @@ Project heavily inspired by the amazing
 
 - [X] Embed templates mechanism.
 - [ ] Embed style.css
-- [ ] Correctly manage relative links.
+- [X] Correctly manage relative links.
 - [ ] Add a base url to avoid relative links if provided.
 - [X] Generate the index html file for the `index` subcommand.
 - [X] Generate the log html file for a repository.
@@ -23,6 +23,8 @@ Project heavily inspired by the amazing
 - [ ] Take binary files into account.
 - [ ] Limit the output for large diffs. Add a "X commits remaining"
       message if necessary.
+- [ ] Generate files in temporal directory and replace the final one
+      when everything is ready.
 - [X] Allow to anchor lines.
 - [ ] Check if the templates exist on a location and use them if
       so. Allow to change that location through CLI flags or env vars.

gitssg.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"github.com/alecthomas/kong"
 	"github.com/go-git/go-git/v5"
@@ -19,7 +20,7 @@ type RepoDir struct {
 	Name        string
 	Description string
 	Owner       string
-	LastCommit  string
+	LastCommit  time.Time
 }
 
 // ToDo: replace has* with the filename, as it can be bare or .md
@@ -41,11 +42,13 @@ type CommitFile struct {
 	Size     int64
 }
 
-type CommitLog struct {
+type CommitInfo struct {
 	Hash        string
-	Date   string
+	ParentHash  string
+	Date        time.Time
 	Msg         string
-	Author string
+	AuthorName  string
+	AuthorEmail string
 	Files       int
 	Adds        int
 	Dels        int
@@ -53,7 +56,8 @@ type CommitLog struct {
 
 //go:embed templates
 var embedTmpl embed.FS
-var timeFormat = "2006-01-02 15:04"
+var timeShortFormatStr = "2006-01-02 15:04"
+var timeLongFormatStr = time.RFC1123
 var funcMap = template.FuncMap{
 	"inc": func(i int) int {
 		return i + 1
@@ -77,10 +81,17 @@ var funcMap = template.FuncMap{
 
 		return template.HTML(menu)
 	},
+	"firstLine": func(msg string) string {
+		return strings.Split(msg, "\n")[0]
+	},
+	"timeShortFormat": func(t time.Time) string {
+		return t.Format(timeShortFormatStr)
+	},
+	"timeLongFormat": func(t time.Time) string {
+		return t.Format(timeLongFormatStr)
+	},
 }
 
-// ToDo: add a map function to generate the menu
-
 func executeTemplate(name string, data any) ([]byte, error) {
 	path := filepath.Join("templates", fmt.Sprintf("%s.html.tmpl", name))
 	b, err := embedTmpl.ReadFile(path)
@@ -181,7 +192,7 @@ func generateIndex(args []string) error {
 		if err != nil {
 			return fmt.Errorf("cannot get commit %q for repository %q: %w", head.Hash(), dirname, err)
 		}
-		repoDir.LastCommit = c.Author.When.Format(timeFormat)
+		repoDir.LastCommit = c.Author.When
 
 		repoDirs = append(repoDirs, repoDir)
 	}
@@ -212,7 +223,7 @@ func generateRepo(path string) error {
 			return fmt.Errorf("cannot delete directory for %q: %w", repoInfo.Name, err)
 		}
 	}
-	if err := os.Mkdir(repoInfo.Name, 0755); err != nil {
+	if err := os.MkdirAll(filepath.Join(repoInfo.Name, "commit"), 0755); err != nil {
 		return fmt.Errorf("cannot create directory for %q: %w", repoInfo.Name, err)
 	}
 
@@ -323,9 +334,9 @@ func generateRepo(path string) error {
 		return fmt.Errorf("cannot get git log for repository: %w", err)
 	}
 
-	loglines := []*CommitLog{}
+	commits := []*CommitInfo{}
 	ciErr := cIter.ForEach(func(c *object.Commit) error {
-		slog.Debug("Processing log commit", "hash", c.Hash)
+		slog.Debug("Processing commit", "hash", c.Hash)
 
 		// ToDo: is this the best way to get the number of files?
 		fstats, err := c.Stats()
@@ -333,29 +344,41 @@ func generateRepo(path string) error {
 			return fmt.Errorf("cannot get commit stats %s: %w", c.Hash, err)
 		}
 
-		commitLog := &CommitLog{
+		commit := &CommitInfo{
 			Hash:        c.Hash.String(),
-			Date:   c.Author.When.Format(timeFormat), // ToDo: author when vs commiter when?
+			Date:        c.Author.When, // ToDo: author when vs commiter when?
-			Msg:    strings.Split(c.Message, "\n")[0],
+			Msg:         c.Message,
-			Author: c.Author.Name,
+			AuthorName:  c.Author.Name,
+			AuthorEmail: c.Author.Email,
 			Files:       len(fstats),
 		}
 
+		if parent, _ := c.Parent(0); parent != nil {
+			commit.ParentHash = parent.Hash.String()
+		}
+
 		// ToDo: are there not global commit stats?
 		for _, fstat := range fstats {
-			commitLog.Adds += fstat.Addition
+			commit.Adds += fstat.Addition
-			commitLog.Dels += fstat.Deletion
+			commit.Dels += fstat.Deletion
 		}
 
-		loglines = append(loglines, commitLog)
+		commits = append(commits, commit)
+
+		// generate commit file
+		data := map[string]any{"repoInfo": repoInfo, "commit": commit, "relpath": "../"}
+		dstpath := filepath.Join(repoInfo.Name, "commit", fmt.Sprintf("%s.html", commit.Hash))
+		if err := executeTemplateToFile("commit", data, dstpath); err != nil {
+			return fmt.Errorf("cannot execute template %q to file %q: %w", "commit", dstpath, err)
+		}
 
 		return nil
 	})
 	if ciErr != nil {
-		return fmt.Errorf("error while processing log: %w", iErr)
+		return fmt.Errorf("error while processing log: %w", ciErr)
 	}
 
-	logData := map[string]any{"repoInfo": repoInfo, "loglines": loglines, "relpath": ""}
+	logData := map[string]any{"repoInfo": repoInfo, "commits": commits, "relpath": ""}
 	logDstpath := filepath.Join(repoInfo.Name, "log.html")
 	if err := executeTemplateToFile("log", logData, logDstpath); err != nil {
 		return fmt.Errorf("cannot execute template %q to file %q: %w", "file", logDstpath, err)

templates/commit.html.tmpl

@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>{{.commit.Msg}} - {{.repoInfo.Name}} - {{.repoInfo.Description}}
+    </title>
+    <link rel="icon" type="image/png" href="{{.relpath}}favicon.png" />
+    <link rel="alternate" type="application/atom+xml" title="stagit Atom Feed" href="{{.relpath}}atom.xml" />
+    <link rel="alternate" type="application/atom+xml" title="stagit Atom Feed (tags)" href="{{.relpath}}tags.xml" />
+    <link rel="stylesheet" type="text/css" href="{{.relpath}}style.css" />
+  </head>
+  <body>
+    <table>
+      <tr>
+        <td><a href="{{.relpath}}../"><img src="{{.relpath}}logo.png" alt="" width="32" height="32" /></a></td>
+        <td><h1>{{.repoInfo.Name}}</h1><span class="desc">{{.repoInfo.Description}}</span></td>
+      </tr>
+      <tr class="url">
+        <td></td>
+        <td>
+          {{if ne .repoInfo.Url ""}}
+          git clone <a href="{{.repoInfo.Url}}">{{.repoInfo.Url}}</a>
+          {{end}}
+        </td>
+      </tr>
+      <tr>
+        <td></td>
+        <td>
+          {{menu .repoInfo .relpath}}
+        </td>
+      </tr>
+    </table>
+    <hr/>
+    <div id="content">
+      <pre><b>commit</b> <a href="{{.relpath}}commit/{{.commit.Hash}}.html">{{.commit.Hash}}</a>
+<b>parent</b> <a href="{{.relpath}}commit/{{.commit.ParentHash}}.html">{{.commit.ParentHash}}</a>
+<b>Author:</b> {{.commit.AuthorName}} &lt;<a href="mailto:{{.commit.AuthorEmail}}">{{.commit.AuthorEmail}}</a>&gt;
+<b>Date:</b>   {{timeLongFormat .commit.Date}}
+
+{{.commit.Msg}}
+<b>Diffstat:</b>
+<table><tr><td class="M">M</td><td><a href="#h0">LICENSE</a></td><td> | </td><td class="num">2</td><td><span class="i">+</span><span class="d">-</span></td></tr></table></pre>
+      <pre>1 file changed, 1 insertion(+), 1 deletion(-)
+        <hr/><b>diff --git a/<a id="h0" href="../file/LICENSE.html">LICENSE</a> b/<a href="../file/LICENSE.html">LICENSE</a></b>
+        <a href="#h0-0" id="h0-0" class="h">@@ -1,6 +1,6 @@
+        </a> MIT/X Consortium License
+
+        <a href="#h0-0-2" id="h0-0-2" class="d">-(c) 2015-2022 Hiltjo Posthuma &lt;hiltjo@codemadness.org&gt;
+        </a><a href="#h0-0-3" id="h0-0-3" class="i">+(c) 2015-2024 Hiltjo Posthuma &lt;hiltjo@codemadness.org&gt;
+        </a>
+        Permission is hereby granted, free of charge, to any person obtaining a
+        copy of this software and associated documentation files (the &quot;Software&quot;),
+      </pre>
+    </div>
+  </body>
+</html>

templates/files.html.tmpl

@@ -41,13 +41,13 @@
           </tr>
         </thead>
         <tbody>
-          {{range .files}}
+          {{- range .files}}
           <tr>
             <td>{{.Mode}}</td>
             <td><a href="{{.Path}}">{{.Name}}</a></td>
             <td class="num" align="right">{{if .IsBinary}}{{.Size}}B{{else}}{{.Lines}}L{{end}}</td>
           </tr>
-          {{end}}
+          {{- end}}
         </tbody>
       </table>
     </div>

templates/index.html.tmpl

@@ -28,7 +28,7 @@
             <td><a href="{{.Name}}/log.html">{{.Name}}</a></td>
             <td>{{.Description}}</td>
             <td>{{.Owner}}</td>
-            <td>{{.LastCommit}}</td>
+            <td>{{timeShortFormat .LastCommit}}</td>
           </tr>
           {{- end}}
         </tbody>

templates/log.html.tmpl

@@ -44,11 +44,11 @@
           </tr>
         </thead>
         <tbody>
-          {{- range .loglines}}
+          {{- range .commits}}
           <tr>
-            <td>{{.Date}}</td>
+            <td>{{timeShortFormat .Date}}</td>
-            <td><a href="commit/{{.Hash}}.html">{{.Msg}}</a></td>
+            <td><a href="commit/{{.Hash}}.html">{{firstLine .Msg}}</a></td>
-            <td>{{.Author}}</td>
+            <td>{{.AuthorName}}</td>
             <td class="num" align="right">{{.Files}}</td>
             <td class="num" align="right">+{{.Adds}}</td>
             <td class="num" align="right">-{{.Dels}}</td>