update markdown/help header format

Since gitiles recommends using # headers over ---/=== underlines,
change the manifest-format.md over and all our help texts.

Change-Id: I96391d41fba769e9f26870d497cf7cf01c8d8ab3

docs/manifest-format.md

@@ -1,5 +1,4 @@
-repo Manifest Format
-====================
+# repo Manifest Format
 
 A repo manifest describes the structure of a repo client; that is
 the directories that are visible and where they should be obtained
@@ -15,8 +14,7 @@ obtained by clients during `repo sync`.
 [TOC]
 
 
-XML File Format
----------------
+## XML File Format
 
 A manifest XML file (e.g. `default.xml`) roughly conforms to the
 following DTD:
@@ -107,14 +105,12 @@ following DTD:
 A description of the elements and their attributes follows.
 
 
-Element manifest
-----------------
+### Element manifest
 
 The root element of the file.
 
 
-Element remote
---------------
+### Element remote
 
 One or more remote elements may be specified.  Each remote element
 specifies a Git URL shared by one or more projects and (optionally)
@@ -149,8 +145,7 @@ Attribute `revision`: Name of a Git branch (e.g. `master` or
 `refs/heads/master`). Remotes with their own revision will override
 the default revision.
 
-Element default
----------------
+### Element default
 
 At most one default element may be specified.  Its remote and
 revision attributes are used when a project element does not
@@ -188,8 +183,7 @@ branch (specified in the `revision` attribute) rather than
 the other ref tags.
 
 
-Element manifest-server
------------------------
+### Element manifest-server
 
 At most one manifest-server may be specified. The url attribute
 is used to specify the URL of a manifest server, which is an
@@ -217,8 +211,7 @@ the specified tag. This is used by repo sync when the --smart-tag option
 is given.
 
 
-Element project
----------------
+### Element project
 
 One or more project elements may be specified.  Each element
 describes a single Git repository to be cloned into the repo
@@ -295,8 +288,7 @@ rather than the `name` attribute.  This attribute only applies to the
 local mirrors syncing, it will be ignored when syncing the projects in a
 client working directory.
 
-Element extend-project
-----------------------
+### Element extend-project
 
 Modify the attributes of the named project.
 
@@ -314,8 +306,7 @@ belongs.  Same syntax as the corresponding element of `project`.
 Attribute `revision`: If specified, overrides the revision of the original
 project.  Same syntax as the corresponding element of `project`.
 
-Element annotation
-------------------
+### Element annotation
 
 Zero or more annotation elements may be specified as children of a
 project element. Each element describes a name-value pair that will be
@@ -325,8 +316,7 @@ prefixed with REPO__.  In addition, there is an optional attribute
 "false".  This attribute determines whether or not the annotation will
 be kept when exported with the manifest subcommand.
 
-Element copyfile
-----------------
+### Element copyfile
 
 Zero or more copyfile elements may be specified as children of a
 project element. Each element describes a src-dest pair of files;
@@ -334,14 +324,12 @@ the "src" file will be copied to the "dest" place during `repo sync`
 command.
 "src" is project relative, "dest" is relative to the top of the tree.
 
-Element linkfile
-----------------
+### Element linkfile
 
 It's just like copyfile and runs at the same time as copyfile but
 instead of copying it creates a symlink.
 
-Element remove-project
-----------------------
+### Element remove-project
 
 Deletes the named project from the internal manifest table, possibly
 allowing a subsequent project element in the same manifest file to
@@ -351,8 +339,7 @@ This element is mostly useful in a local manifest file, where
 the user can remove a project, and possibly replace it with their
 own definition.
 
-Element include
----------------
+### Element include
 
 This element provides the capability of including another manifest
 file into the originating manifest.  Normal rules apply for the
@@ -362,8 +349,7 @@ Attribute `name`: the manifest to include, specified relative to
 the manifest repository's root.
 
 
-Local Manifests
-===============
+## Local Manifests
 
 Additional remotes and projects may be added through local manifest
 files stored in `$TOP_DIR/.repo/local_manifests/*.xml`.

subcmds/branches.py

@@ -67,8 +67,7 @@ class Branches(Command):
 
 Summarizes the currently available topic branches.
 
-Branch Display
---------------
+# Branch Display
 
 The branch display output by this command is organized into four
 columns of information; for example:

subcmds/forall.py

@@ -53,8 +53,7 @@ Executes the same shell command in each project.
 The -r option allows running the command only on projects matching
 regex or wildcard expression.
 
-Output Formatting
------------------
+# Output Formatting
 
 The -p option causes '%prog' to bind pipes to the command's stdin,
 stdout and stderr streams, and pipe all output into a continuous
@@ -71,8 +70,7 @@ command produces output only on stderr.  Normally the -p option
 causes command output to be suppressed until the command produces
 at least one byte of output on stdout.
 
-Environment
------------
+# Environment
 
 pwd is the project's working directory.  If the current client is
 a mirror client, then pwd is the Git repository.

subcmds/grep.py

@@ -33,8 +33,7 @@ class Grep(PagedCommand):
   helpDescription = """
 Search for the specified patterns in all project files.
 
-Boolean Options
----------------
+# Boolean Options
 
 The following options can appear as often as necessary to express
 the pattern to locate:
@@ -47,8 +46,7 @@ in order to scan multiple trees.  If the same file matches in more
 than one tree, only the first result is reported, prefixed by the
 revision name it was found under.
 
-Examples
--------
+# Examples
 
 Look for a line that has '#define' and either 'MAX_PATH or 'PATH_MAX':
 

subcmds/help.py

@@ -107,15 +107,13 @@ Displays detailed usage information about a command.
 
         self.heading('%s', heading)
         self.nl()
-
-        self.heading('%s', ''.ljust(len(heading), '-'))
         self.nl()
 
         me = 'repo %s' % cmd.NAME
         body = body.strip()
         body = body.replace('%prog', me)
 
-        asciidoc_hdr = re.compile(r'^\n?([^\n]{1,})\n([=~-]{2,})$')
+        asciidoc_hdr = re.compile(r'^\n?#+ (.+)$')
         for para in body.split("\n\n"):
           if para.startswith(' '):
             self.write('%s', para)
@@ -125,19 +123,8 @@ Displays detailed usage information about a command.
 
           m = asciidoc_hdr.match(para)
           if m:
-            title = m.group(1)
-            section_type = m.group(2)
-            if section_type[0] in ('=', '-'):
-              p = self.heading
-            else:
-              def _p(fmt, *args):
-                self.write('  ')
-                self.heading(fmt, *args)
-              p = _p
-
-            p('%s', title)
+            self.heading(m.group(1))
             self.nl()
-            p('%s', ''.ljust(len(title), section_type[0]))
             self.nl()
             continue
 

subcmds/init.py

@@ -67,8 +67,7 @@ resumeable bundle file on a content delivery network. This
 may be necessary if there are problems with the local Python
 HTTP client or proxy configuration, but the Git binary works.
 
-Switching Manifest Branches
----------------------------
+# Switching Manifest Branches
 
 To switch to another manifest branch, `repo init -b otherbranch`
 may be used in an existing client.  However, as this only updates the

subcmds/status.py

@@ -49,8 +49,7 @@ includes deeper items.  For example, if dir/subdir/proj1 and
 dir/subdir/proj2 are repo projects, dir/subdir/proj3 will be shown
 if it is not known to repo.
 
-Status Display
---------------
+# Status Display
 
 The status display is organized into three columns of information,
 for example if the file 'subcmds/status.py' is modified in the

subcmds/sync.py

@@ -155,8 +155,7 @@ exist locally.
 The --prune option can be used to remove any refs that no longer
 exist on the remote.
 
-SSH Connections
----------------
+# SSH Connections
 
 If at least one project remote URL uses an SSH connection (ssh://,
 git+ssh://, or user@host:path syntax) repo will automatically
@@ -170,8 +169,7 @@ environment variable to 'ssh'.  For example:
   export GIT_SSH=ssh
   %prog
 
-Compatibility
-~~~~~~~~~~~~~
+# Compatibility
 
 This feature is automatically disabled on Windows, due to the lack
 of UNIX domain socket support.

subcmds/upload.py

@@ -78,8 +78,7 @@ added to the respective list of users, and emails are sent to any
 new users.  Users passed as --reviewers must already be registered
 with the code review system, or the upload will fail.
 
-Configuration
--------------
+# Configuration
 
 review.URL.autoupload:
 
@@ -126,8 +125,7 @@ is set to "true" then repo will assume you always want the equivalent
 of the -t option to the repo command. If unset or set to "false" then
 repo will make use of only the command line option.
 
-References
-----------
+# References
 
 Gerrit Code Review:  http://code.google.com/p/gerrit/