[PATCH v3 1/1] Documentation/ToolsForGit.txt: Tools for developing Git

[COGONI Guillaume <cogoni.guillaume@gmail.com>]

This document gathers tips, scripts and configuration file to help
people working on Git’s codebase use their favorite tools while
following Git’s coding style.

Move the part about Emacs configuration from CodingGuidelines to
ToolsForGit.txt because it's the purpose of the new file centralize the
information about tools.

But, add a mention to Documentation/ToolsForGit.txt in CodingGuidelines
because there is also information about the coding style in it.

Helped-by: Matthieu Moy <Matthieu.Moy@univ-lyon1.fr>
Signed-off-by: COGONI Guillaume <cogoni.guillaume@gmail.com>
---
 Documentation/CodingGuidelines | 18 +++++-------
 Documentation/Makefile         |  1 +
 Documentation/ToolsForGit.txt  | 51 ++++++++++++++++++++++++++++++++++
 3 files changed, 59 insertions(+), 11 deletions(-)
 create mode 100644 Documentation/ToolsForGit.txt

diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines
index b20b2f94f1..509cd89aa2 100644
--- a/Documentation/CodingGuidelines
+++ b/Documentation/CodingGuidelines
@@ -492,17 +492,6 @@ For Perl programs:
 
  - Learn and use Git.pm if you need that functionality.
 
- - For Emacs, it's useful to put the following in
-   GIT_CHECKOUT/.dir-locals.el, assuming you use cperl-mode:
-
-    ;; note the first part is useful for C editing, too
-    ((nil . ((indent-tabs-mode . t)
-                  (tab-width . 8)
-                  (fill-column . 80)))
-     (cperl-mode . ((cperl-indent-level . 8)
-                    (cperl-extra-newline-before-brace . nil)
-                    (cperl-merge-trailing-else . t))))
-
 For Python scripts:
 
  - We follow PEP-8 (http://www.python.org/dev/peps/pep-0008/).
@@ -733,3 +722,10 @@ Writing Documentation:
  inline substituted text+ instead of `monospaced literal text`, and with
  the former, the part that should not get substituted must be
  quoted/escaped.
+
+
+Documentation/ToolsForGit.txt:
+
+ This document collects tips, scripts, and configuration files to help
+ contributors working with the Git codebase use their favorite tools while
+ following the Git coding style.
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 44c080e3e5..7058dd2185 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -93,6 +93,7 @@ SP_ARTICLES += $(API_DOCS)
 TECH_DOCS += MyFirstContribution
 TECH_DOCS += MyFirstObjectWalk
 TECH_DOCS += SubmittingPatches
+TECH_DOCS += ToolsForGit
 TECH_DOCS += technical/bundle-format
 TECH_DOCS += technical/hash-function-transition
 TECH_DOCS += technical/http-protocol
diff --git a/Documentation/ToolsForGit.txt b/Documentation/ToolsForGit.txt
new file mode 100644
index 0000000000..5060d0d231
--- /dev/null
+++ b/Documentation/ToolsForGit.txt
@@ -0,0 +1,51 @@
+Tools for developing Git
+========================
+:sectanchors:
+
+[[summary]]
+== Summary
+
+This document gathers tips, scripts and configuration file to help people
+working on Git's codebase use their favorite tools while following Git's
+coding style.
+
+[[author]]
+=== Author
+
+The Git community.
+
+[[table_of_contents]]
+== Table of contents
+
+- <<vscode>>
+- <<emacs>>
+
+[[vscode]]
+=== Visual Studio Code (VS Code)
+
+The contrib/vscode/init.sh script creates configuration files that enable
+several valuable VS Code features. See contrib/vscode/README.md for more
+information on using the script.
+
+[[emacs]]
+=== Emacs
+
+This is adapted from Linux's suggestion in its CodingStyle document:
+
+- To follow rules of the CodingGuideline, it's useful to put the following in
+GIT_CHECKOUT/.dir-locals.el, assuming you use cperl-mode:
+----
+;; note the first part is useful for C editing, too
+((nil . ((indent-tabs-mode . t)
+	 (tab-width . 8)
+	 (fill-column . 80)))
+	 (cperl-mode . ((cperl-indent-level . 8)
+			(cperl-extra-newline-before-brace . nil)
+			(cperl-merge-trailing-else . t))))
+----
+
+For a more complete setup, since Git's codebase uses a coding style
+similar to the Linux kernel's style, tips given in Linux's CodingStyle
+document can be applied here too.
+
+==== https://www.kernel.org/doc/html/v4.10/process/coding-style.html#you-ve-made-a-mess-of-it
-- 
2.25.1