Use main ref in git-footers documentation

R=gavinmak@google.com

Fixed: 1118433
Change-Id: I15948b319ed847dce0d4222fcaad7fdf4620360c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3205608
Auto-Submit: Josip Sokcevic <sokcevic@google.com>
Reviewed-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Gavin Mak <gavinmak@google.com>

man/html/git-footers.html

@@ -774,7 +774,7 @@ commit might look like:</p></div>
 </div></div>
 <div class="literalblock">
 <div class="content">
-<pre><code>Cr-Commit-Position: refs/heads/master@{#292272}
+<pre><code>Cr-Commit-Position: refs/heads/main@{#292272}
 Tech-Debt-Introduced: 17 nanoMSOffices</code></pre>
 </div></div>
 <div class="paragraph"><p><code>git footers</code> knows how to extract this information.</p></div>
@@ -810,7 +810,7 @@ case-normalized.</p></div>
 </p>
 <div class="literalblock">
 <div class="content">
-<pre><code>refs/heads/master@{#292272}
+<pre><code>refs/heads/main@{#292272}
 refs/branch-heads/branchname</code></pre>
 </div></div>
 </dd>
@@ -829,7 +829,7 @@ refs/branch-heads/branchname</code></pre>
 <dd>
 <p>
   Extracts and prints the Chrome commit position ref name only
-  (<code>ref/heads/master</code> or <code>refs/branch-heads/branchname</code> in the example above).
+  (<code>ref/heads/main</code> or <code>refs/branch-heads/branchname</code> in the example above).
 </p>
 </dd>
 </dl></div>
@@ -841,16 +841,16 @@ refs/branch-heads/branchname</code></pre>
 <div class="paragraph"><p></p></div><div class="listingblock"><div class="content"><pre><code><span style="font-weight: bold; color: #ffffff">$ git footers HEAD</span>
 Tech-Debt-Introduced: -4 microMSOffices
 Tech-Debt-Introduced: 17 microMSOffices
-Cr-Commit-Position: refs/heads/master@{#292272}
+Cr-Commit-Position: refs/heads/main@{#292272}
 <span style="font-weight: bold; color: #ffffff">$ git footers --key Tech-Debt-Introduced HEAD</span>
 -4 microMSOffices
 17 microMSOffices
 <span style="font-weight: bold; color: #ffffff">$ git footers --position HEAD</span>
-refs/heads/master@{#292272}
+refs/heads/main@{#292272}
 <span style="font-weight: bold; color: #ffffff">$ git footers --position-num HEAD</span>
 292272
 <span style="font-weight: bold; color: #ffffff">$ git footers --position-ref HEAD</span>
-refs/heads/master
+refs/heads/main
 </code></pre></div></div><p><div class="paragraph"></p></div>
 </div>
 </div>
@@ -873,7 +873,7 @@ by checking out the <a href="https://chromium.googlesource.com/chromium/tools/de
 <div id="footer">
 <div id="footer-text">
 Last updated
- 2021-07-01 07:07:00 PDT
+ 2021-10-05 09:49:24 PDT
 </div>
 </div>
 </body>

man/man1/git-footers.1

@@ -2,12 +2,12 @@
 .\"     Title: git-footers
 .\"    Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
 .\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
-.\"      Date: 07/01/2021
+.\"      Date: 10/05/2021
 .\"    Manual: Chromium depot_tools Manual
-.\"    Source: depot_tools 906b5026
+.\"    Source: depot_tools a594dbdd
 .\"  Language: English
 .\"
-.TH "GIT\-FOOTERS" "1" "07/01/2021" "depot_tools 906b5026" "Chromium depot_tools Manual"
+.TH "GIT\-FOOTERS" "1" "10/05/2021" "depot_tools a594dbdd" "Chromium depot_tools Manual"
 .\" -----------------------------------------------------------------
 .\" * Define some portability stuff
 .\" -----------------------------------------------------------------
@@ -54,7 +54,7 @@ This is a fancy commit message\&.
 .RS 4
 .\}
 .nf
-Cr\-Commit\-Position: refs/heads/master@{#292272}
+Cr\-Commit\-Position: refs/heads/main@{#292272}
 Tech\-Debt\-Introduced: 17 nanoMSOffices
 .fi
 .if n \{\
@@ -84,7 +84,7 @@ footer\&. If that doesn\(cqt exist then it tries a heuristic based on
 .RS 4
 .\}
 .nf
-refs/heads/master@{#292272}
+refs/heads/main@{#292272}
 refs/branch\-heads/branchname
 .fi
 .if n \{\
@@ -99,7 +99,7 @@ Extracts and prints the Chrome commit position number only (292272 in the exampl
 .PP
 \-\-position\-ref
 .RS 4
-Extracts and prints the Chrome commit position ref name only (\fBref/heads/master\fR
+Extracts and prints the Chrome commit position ref name only (\fBref/heads/main\fR
 or
 \fBrefs/branch\-heads/branchname\fR
 in the example above)\&.
@@ -115,16 +115,16 @@ in the example above)\&.
 \fB$ git footers HEAD\fR
 Tech\-Debt\-Introduced: \-4 microMSOffices
 Tech\-Debt\-Introduced: 17 microMSOffices
-Cr\-Commit\-Position: refs/heads/master@{#292272}
+Cr\-Commit\-Position: refs/heads/main@{#292272}
 \fB$ git footers \-\-key Tech\-Debt\-Introduced HEAD\fR
 \-4 microMSOffices
 17 microMSOffices
 \fB$ git footers \-\-position HEAD\fR
-refs/heads/master@{#292272}
+refs/heads/main@{#292272}
 \fB$ git footers \-\-position\-num HEAD\fR
 292272
 \fB$ git footers \-\-position\-ref HEAD\fR
-refs/heads/master
+refs/heads/main
 .fi
 .if n \{\
 .RE

man/src/git-footers.demo.1.sh

@@ -6,7 +6,7 @@ add unstaged_deleted_file
 add modified_file
 c 'I committed this and am proud of it.
 
-Cr-Commit-Position: refs/heads/master@{#292272}
+Cr-Commit-Position: refs/heads/main@{#292272}
 Tech-Debt-Introduced: 17 microMSOffices
 Tech-Debt-Introduced: -4 microMSOffices'
 

man/src/git-footers.txt

@@ -21,7 +21,7 @@ commit might look like:
 
     This is a fancy commit message.
 
-    Cr-Commit-Position: refs/heads/master@{#292272}
+    Cr-Commit-Position: refs/heads/main@{#292272}
     Tech-Debt-Introduced: 17 nanoMSOffices
 
 `git footers` knows how to extract this information.
@@ -46,7 +46,7 @@ case-normalized.
   then it tries a heuristic based on `Git-Svn-Id`.  Output is in one of the
   following forms:
 
-    refs/heads/master@{#292272}
+    refs/heads/main@{#292272}
     refs/branch-heads/branchname
 
 --position-num::
@@ -55,7 +55,7 @@ case-normalized.
 
 --position-ref::
   Extracts and prints the Chrome commit position ref name only 
-  (`ref/heads/master` or `refs/branch-heads/branchname` in the example above).
+  (`ref/heads/main` or `refs/branch-heads/branchname` in the example above).
 
 
 EXAMPLE