Add version flag, -V

Add a flag to print the package version: `-V`.

This change also brings with it the libexec directory, so we can pull
common code out.

4 files changed, 30 insertions, 4 deletions

diff --git a/Makefile b/Makefile
index 4723f07..f4c2b5c 100644
--- a/Makefile
+++ b/Makefile
@@ -4,10 +4,12 @@ install:
 	install -dm 0755 $(PREFIX)/bin
 	install -dm 0755 $(PREFIX)/share/man/man1
 	install -dm 0755 $(PREFIX)/share/man/man5
+	install -dm 0755 $(PREFIX)/libexec/rcm
 	install -m 0755 bin/mkrc $(PREFIX)/bin
 	install -m 0755 bin/rcup $(PREFIX)/bin
 	install -m 0644 man/man1/rcup.1 $(PREFIX)/share/man/man1
 	install -m 0644 man/man1/mkrc.1 $(PREFIX)/share/man/man1
 	install -m 0644 man/man5/rcrc.5 $(PREFIX)/share/man/man5
+	install -m 0644 libexec/rcm/rcm.sh $(PREFIX)/libexec/rcm
 
 .PHONY: install
diff --git a/bin/mkrc b/bin/mkrc
index a9eef9c..cf360bf 100755
--- a/bin/mkrc
+++ b/bin/mkrc
@@ -23,6 +23,8 @@ install_dotfile() {
   cd $prior_wd
 }
 
+. `dirname $0`/../libexec/rcm/rcm.sh
+
 if [ $# -eq 0 ]; then
   echo "Usage: dotfiles-add [-t tag] filename ..."
   exit 1
@@ -30,16 +32,21 @@ fi
 
 tag=
 verbosity=0
-while getopts vqt: opt; do
+version=0
+while getopts Vvqt: opt; do
   case "$opt" in
     t) tag=$OPTARG;;
     v) verbosity=$(($verbosity + 1));;
     q) verbosity=$(($verbosity - 1));;
+    V) version=1
   esac
 done
 shift $(($OPTIND-1))
 
-if [ $verbosity -ge 2 ]; then
+if [ $version -eq 1 ]; then
+  version mkrc
+  exit 0
+elif [ $verbosity -ge 2 ]; then
   MV="$MV -v"
   INSTALL="$INSTALL -vv"
 elif [ $verbosity -eq 1 ]; then
diff --git a/bin/rcup b/bin/rcup
index d733ea0..0569997 100755
--- a/bin/rcup
+++ b/bin/rcup
@@ -137,16 +137,21 @@ metafile() {
 handle_command_line() {
   arg_tags=""
   verbosity=0
-  while getopts qvt: opt; do
+  version=0
+  while getopts Vqvt: opt; do
     case "$opt" in
       t) arg_tags="$arg_tags $OPTARG";;
       v) verbosity=$(($verbosity + 1));;
       q) verbosity=$(($verbosity - 1));;
+      V) version=1
     esac
   done
   shift $(($OPTIND-1))
 
-  if [ $verbosity -ge 2 ]; then
+  if [ $version -eq 1 ]; then
+    version rcup
+    exit 0
+  elif [ $verbosity -ge 2 ]; then
     DEBUG=echo
     VERBOSE=echo
     PRINT=echo
@@ -175,6 +180,7 @@ if [ -e $HOME/.rcrc ]; then
   . $HOME/.rcrc
 fi
 
+. `dirname $0`/../libexec/rcm/rcm.sh
 handle_command_line $*
 
 cd $DOTFILES_DIR
diff --git a/libexec/rcm/rcm.sh b/libexec/rcm/rcm.sh
new file mode 100644
index 0000000..99262d7
--- /dev/null
+++ b/libexec/rcm/rcm.sh
@@ -0,0 +1,11 @@
+VERSION="0.0.1"
+
+version() {
+  cat << EOV
+$1 (rcm) $VERSION
+Copyright (C) 2013 Mike Burns
+License BSD: BSD 3-clause license
+
+Written by Mike Burns.
+EOV
+}