Set sphinx date from commit creatordate

sphinx_multiversion/git.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 import collections
+import datetime
 import tempfile
 import subprocess
 import re
@@ -11,27 +12,35 @@ GitRef = collections.namedtuple('VersionRef', [
     'source',
     'is_remote',
     'refname',
+    'creatordate',
 ])
 
 
 def get_all_refs(gitroot):
-    cmd = ("git", "for-each-ref", "--format", "%(objectname) %(refname)", "refs")
+    cmd = ("git", "for-each-ref", "--format",
+           "%(objectname)\t%(refname)\t%(creatordate:iso-strict)", "refs")
     output = subprocess.check_output(cmd, cwd=gitroot).decode()
     for line in output.splitlines():
         is_remote = False
-        line = line.strip()
+        fields = line.strip().split("\t")
+        if len(fields) != 3:
+            continue
+
+        commit = fields[0]
+        refname = fields[1]
+        creatordate = datetime.datetime.fromisoformat(fields[2])
+
         # Parse refname
-        matchobj = re.match(r"^(\w+) refs/(heads|tags|remotes/[^/]+)/(\S+)$", line)
+        matchobj = re.match(r"^refs/(heads|tags|remotes/[^/]+)/(\S+)$", refname)
         if not matchobj:
             continue
-        commit = matchobj.group(1)
-        source = matchobj.group(2)
-        name = matchobj.group(3)
-        refname = line.partition(' ')[2]
+        source = matchobj.group(1)
+        name = matchobj.group(2)
+
         if source.startswith('remotes/'):
             is_remote = True
 
-        yield GitRef(name, commit, source, is_remote, refname)
+        yield GitRef(name, commit, source, is_remote, refname, creatordate)
 
 
 def get_refs(gitroot, tag_whitelist, branch_whitelist, remote_whitelist):

sphinx_multiversion/main.py

@@ -127,6 +127,7 @@ def main(argv=None):
                 "is_released": bool(
                     re.match(config.smv_released_pattern, gitref.refname)),
                 "source": gitref.source,
+                "creatordate": gitref.creatordate.isoformat(),
                 "sourcedir": current_sourcedir,
                 "outputdir": outputdir,
                 "docnames": list(project.discover())

sphinx_multiversion/sphinx.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+import datetime
 import json
 import pathlib
 import collections
@@ -7,6 +8,8 @@ import os
 import posixpath
 
 from sphinx import config as sphinx_config
+from sphinx.util import i18n as sphinx_i18n
+from sphinx.locale import _
 
 logger = logging.getLogger(__name__)
 
@@ -131,6 +134,11 @@ def config_inited(app, config):
     if not config.smv_current_version:
         return
 
+    try:
+        data = app.config.smv_metadata[config.smv_current_version]
+    except KeyError:
+        return
+
     app.connect("html-page-context", html_page_context)
 
     # Restore config values
@@ -139,6 +147,12 @@ def config_inited(app, config):
     old_config.init_values()
     config.version = old_config.version
     config.release = old_config.release
+    config.today = old_config.today
+    if not config.today:
+        config.today = sphinx_i18n.format_date(
+            format=config.today_fmt or _('%b %d, %Y'),
+            date=datetime.datetime.fromisoformat(data["creatordate"]),
+            language=config.language)
 
 
 def setup(app):