doc: add description for git-info

Commands.md

@@ -750,6 +750,13 @@ $ git info
     myBranch
     * master
 
+    ## Submodule(s):
+
+      a234567 path2submodule1/submodule1 (branch/tag)
+    + b234567 path2submodule2/submodule2 (branch/tag)
+    - c234567 path2submodule3/submodule3 (branch/tag)
+      e234567 path2submodule4/submodule4 (branch/tag)
+
     ## Most Recent Commit:
 
     commit e3952df2c172c6f3eb533d8d0b1a6c77250769a7
@@ -757,8 +764,6 @@ $ git info
 
     Added git-info command.
 
-    Type 'git log' for more commits, or 'git show <commit id>' for full commit details.
-
     ## Configuration (.git/config):
 
     color.diff=auto

man/git-info.md

@@ -3,7 +3,7 @@ git-info(1) -- Returns information on current repository
 
 ## SYNOPSIS
 
-`git-info`
+`git-info` [-c|--color] [--no-config]
 
 ## DESCRIPTION
 
@@ -12,12 +12,41 @@ Shows the following information about a repository:
  1. Remote Url(s)
  2. Remote Branches
  3. Local Branches
- 4. Most recent commit
- 5. Configuration Info
+ 4. Submodule(s) (if present)
+ 5. Most recent commit
+ 6. Configuration Info
 
 ## OPTIONS
 
-N/A
+  -c, --color
+
+  Use color output.
+
+  --no-config
+
+  Don't show list all variables set in config file, along with their values.
+
+## GIT CONFIGS
+
+  You could customize the Most recent commit and Configuration Info format via git config options
+
+    $ git config --global --add extras.info.log "<log-command>"
+
+  the default <log-command> is "git log --max-count=1 --pretty=short"
+
+    $ git config --global --add extras.info.config-grep "<config-grep-command>"
+
+  the default <config-grep-command> is "git config --list"
+
+  For example,
+
+   to set global configuration to show last commit subject, without sha1
+
+     $ git config --global --add extras.info.log "git log --max-count=1 --format=\"Author: %an%nDate:   %ad (%ar)%n%n    %s\" --date=format:\"%Y-%m-%d %a %H:%M\""
+
+   to set global configuration to show user's name and email
+
+     $ git config --global --add extras.info.config-grep "git config --list | grep --color=never -E \"^user.name|^user.email\""
 
 ## EXAMPLES
 
@@ -40,6 +69,13 @@ Outputs info about a repo:
     myBranch
     * master
 
+    ## Submodule(s):
+
+      a234567 path2submodule1/submodule1 (branch/tag)
+    + b234567 path2submodule2/submodule2 (branch/tag)
+    - c234567 path2submodule3/submodule3 (branch/tag)
+      e234567 path2submodule4/submodule4 (branch/tag)
+
     ## Most Recent Commit:
 
     commit e3952df2c172c6f3eb533d8d0b1a6c77250769a7
@@ -47,8 +83,6 @@ Outputs info about a repo:
 
     Added git-info command.
 
-    Type 'git log' for more commits, or 'git show <commit id>' for full commit details.
-
     ## Configuration (.git/config):
 
     color.diff=auto