[PATCH] submodule: make 'show' an alias for 'summary'

[Ramkumar Ramachandra <artagnon@gmail.com>]

Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
---
 Like 'git remote show', 'git stash show'.

 Documentation/git-submodule.txt |    3 ++-
 git-submodule.sh                |    9 ++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt
index fbbbcb2..498bb5c 100644
--- a/Documentation/git-submodule.txt
+++ b/Documentation/git-submodule.txt
@@ -15,7 +15,7 @@ SYNOPSIS
 'git submodule' [--quiet] init [--] [<path>...]
 'git submodule' [--quiet] update [--init] [-N|--no-fetch] [--rebase]
 	      [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
-'git submodule' [--quiet] summary [--cached|--files] [(-n|--summary-limit) <n>]
+'git submodule' [--quiet] summary|show [--cached|--files] [(-n|--summary-limit) <n>]
 	      [commit] [--] [<path>...]
 'git submodule' [--quiet] foreach [--recursive] <command>
 'git submodule' [--quiet] sync [--] [<path>...]
@@ -151,6 +151,7 @@ If `--recursive` is specified, this command will recurse into the
 registered submodules, and update any nested submodules within.
 
 summary::
+show::
 	Show commit summary between the given commit (defaults to HEAD) and
 	working tree/index. For a submodule in question, a series of commits
 	in the submodule between the given super project commit and the
diff --git a/git-submodule.sh b/git-submodule.sh
index 9210f3a..1d61ebd 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -889,6 +889,13 @@ cmd_summary() {
 	fi
 }
 #
+# Alias for cmd_summary
+#
+cmd_show()
+{
+    cmd_summary "$@"
+}
+#
 # List all submodules, prefixed with:
 #  - submodule not initialized
 #  + different revision checked out
@@ -1049,7 +1056,7 @@ cmd_sync()
 while test $# != 0 && test -z "$command"
 do
 	case "$1" in
-	add | foreach | init | update | status | summary | sync)
+	add | foreach | init | update | status | summary | show | sync)
 		command=$1
 		;;
 	-q|--quiet)
-- 
1.7.10.4