code-review: Add a version number and `--version` program flag

3 files changed, 16 insertions, 1 deletions

diff --git a/code-review b/code-review
index a97df7a..d6ddab7 100755
--- a/code-review
+++ b/code-review
@@ -19,10 +19,12 @@
 
 EX_USAGE=64
 
+VERSION=0.0.1
+
 
 function print_usage () {
 	cat <<-EOF
-		usage: code-review [--help] <command> [<args>]
+		usage: code-review [--help] [--version] <command> [<args>]
 
 		Commands:
 
@@ -50,6 +52,11 @@ if [ -z "$subcommand" ] || [ "$1" = '--help' ] || [ "$1" = '-h' ]; then
 	exit "$EX_USAGE"
 fi
 
+if [ "$1" = '--version' ]; then
+	echo "$VERSION"
+	exit 0
+fi
+
 if ! program_exists "${program}-${subcommand}"; then
 	echo >&2 "${program}: '${subcommand}' is not a ${program} command. See '${program} --help'"
 	exit "$EX_USAGE"
diff --git a/doc/code-review.1 b/doc/code-review.1
index e671bff..06b013b 100644
--- a/doc/code-review.1
+++ b/doc/code-review.1
@@ -41,6 +41,11 @@ A collection of tools that facilitate code review on the command line\&.
 .RS 4
 Print usage help\&.
 .RE
+.PP
+\-\-version
+.RS 4
+Print the program version\&.
+.RE
 .SH "COMMANDS"
 .PP
 changed\-files
diff --git a/doc/code-review.1.txt b/doc/code-review.1.txt
index 276399f..df2a087 100644
--- a/doc/code-review.1.txt
+++ b/doc/code-review.1.txt
@@ -18,6 +18,9 @@ OPTIONS
 -h, --help::
 	Print usage help.
 
+--version::
+	Print the program version.
+
 COMMANDS
 --------
 changed-files::