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feat: add diffstat summary to commit page

author: pi66
date: 2026-07-22 23:32
hash: f5f0c7a7d3d3fc5747d27915a54bbd957307aedd

Diffstat:

M

src/plugins/git.py
48 +++++++++++++++++++-----------

M

src/plugins/log_builder.py
2 +

M

src/plugins/models.py
1 +

M

src/templates/Log-commit.html
24 ++++++---------
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diff --git a/src/plugins/git.py b/src/plugins/git.py
index 00e6b84..7b510b4 100644
--- a/src/plugins/git.py
+++ b/src/plugins/git.py
@@ -171,6 +171,15 @@ def _load_refs(path: str) -> list[Ref]:
         Ref(name="tags", refs=_load_single_ref(path, "refs/tags")),
         Ref(name="remotes", refs=_load_single_ref(path, "refs/remotes")),
     ]
+def compute_bars(changed_files: list[ChangedFile], max_width: int = 30) -> list[dict]:
+    max_changes = max((f.added_lines + f.removed_lines for f in changed_files), default=1) or 1
+    bars = []
+    for f in changed_files:
+        total = f.added_lines + f.removed_lines
+        width = round((total / max_changes) * max_width) if total else 0
+        add_w = round(width * f.added_lines / total) if total else 0
+        bars.append({"file": f, "total": total, "add_width": add_w, "del_width": width - add_w})
+    return bars


 def _load_commits(path: str) -> list[Commit]:
@@ -179,6 +188,7 @@ def _load_commits(path: str) -> list[Commit]:
         "log",
         "--date=format:%Y-%m-%d %H:%M",
         "--numstat",
+        "--raw",
         "--no-merges",
         "--format=%x1e%H%x1f%an%x1f%ad%x1f%s",
     )
@@ -197,27 +207,29 @@ def _load_commits(path: str) -> list[Commit]:
             continue

         commit_hash, author, date, message = parts
+        statuses: dict[str, str] = {}
+        numstats: list[tuple[str, str, str]] = []

-        changed_files: list[ChangedFile] = []
         for line in lines[1:]:
-            file_parts = line.split("\t")
-            if len(file_parts) != 3:
-                continue
-
-            added, removed, filename = file_parts
-            try:
-                added_int = int(added)
-            except ValueError:
-                added_int = 0
-
-            try:
-                removed_int = int(removed)
-            except ValueError:
-                removed_int = 0
-
-            changed_files.append(
-                ChangedFile(name=filename, added_lines=added_int, removed_lines=removed_int)
+            if line.startswith(":"):
+                raw_parts = line.split("\t")
+                meta = raw_parts[0].split()
+                if len(meta) >= 5 and len(raw_parts) >= 2:
+                    statuses[raw_parts[-1]] = meta[4][0]
+            else:
+                fields = line.split("\t")
+                if len(fields) == 3:
+                    numstats.append(tuple(fields))
+
+        changed_files: list[ChangedFile] = [
+            ChangedFile(
+                name=filename,
+                added_lines=int(added) if added.isdigit() else 0,
+                removed_lines=int(removed) if removed.isdigit() else 0,
+                status=statuses.get(filename, "M"),
             )
+            for added, removed, filename in numstats
+        ]

         if not changed_files:
             continue
diff --git a/src/plugins/log_builder.py b/src/plugins/log_builder.py
index b66119b..db26658 100644
--- a/src/plugins/log_builder.py
+++ b/src/plugins/log_builder.py
@@ -1,6 +1,7 @@
 import os
 from models import Repo
 from dataclasses import asdict
+from git import compute_bars
 from progress import progress, progress_done


@@ -37,6 +38,7 @@ def _create_commit_page(api, repo_name, repo_desc, commit):
         "commit_author": commit.author,
         "changed_files": [asdict(f) for f in commit.files],
         "diff_content": patch_html,
+        "bars":compute_bars(commit.files),
     })

     api.save_html(html, dest)
diff --git a/src/plugins/models.py b/src/plugins/models.py
index 6435efe..6895b7b 100644
--- a/src/plugins/models.py
+++ b/src/plugins/models.py
@@ -6,6 +6,7 @@ class ChangedFile:
     name: str
     added_lines: int
     removed_lines: int
+    status: str = "M"


 @dataclass
diff --git a/src/templates/Log-commit.html b/src/templates/Log-commit.html
index ee9e722..aca5195 100644
--- a/src/templates/Log-commit.html
+++ b/src/templates/Log-commit.html
@@ -5,30 +5,24 @@
 <h1>{{commit_message}}</h1>


-<blockquote>
+<blockquote class="flex justify-between py-5">
    <p>
        <strong>author:</strong> {{commit_author}} <br>
        <strong>date:</strong>   {{commit_date}}   <br>
        <strong>hash:</strong>   {{commit_hash}}   <br>
    </p>
-</blockquote>

+</blockquote>

-<table class="!w-full !table-fixed !border-1 ">
-   <thead>
-       <tr>
-           <th>File</th>
-           <th>+</th>
-           <th>-</th>
-       </tr>
-   </thead>
+<table class="diffstat ![direction:ltr] !w-full !table-fixed !border-0 px-6">
    <tbody>
-
-{% for file in changed_files  %}
+{% for b in bars %}
        <tr>
-           <td>{{file.name}}</td>
-           <td class="!text-green-500 text-right">{{file.added_lines}}</td>
-           <td class="!text-red-500 text-right">{{file.removed_lines}}</td>
+           <td class="!text-gray-400 flex gap-2.5"><p class="flex gap-2.5"><strong>{{b.file.status}}</strong></p>  {{b.file.name}}</td>
+           <td class="!text-right !text-gray-400">{{b.total}}</td>
+           <td>
+               <span class="!text-green-500">{{ "+" * b.add_width }}</span><span class="!text-red-500">{{ "-" * b.del_width }}</span>
+           </td>
        </tr>
 {% endfor %}
    </tbody>