add revision script, fix build & uberjar scripts

Author: dnolen

script/build

@@ -26,6 +26,7 @@ REVISION=`git --no-replace-objects describe --match v$MAJOR.$MINOR`
 # it is a little easier to understand.
 REVISION=${REVISION:5} # drop the first 5 characters
 REVISION=${REVISION:0:${#REVISION}-9} # drop the last 9 characters
+REVISION=${REVISION/\-/}
 
 TAG=r$MAJOR.$MINOR.$REVISION
 

script/revision

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+set -ex
+
+# The command `git describe --match v0.0` will return a string like
+#
+# v0.0-856-g329708b
+#
+# where 856 is the number of commits since the v0.0 tag. It will always
+# find the v0.0 tag and will always return the total number of commits (even
+# if the tag is v0.0.1).
+MAJOR="1"
+MINOR="7"
+REVISION=`git --no-replace-objects describe --match v$MAJOR.$MINOR`
+
+# Extract the version number from the string. Do this in two steps so
+# it is a little easier to understand.
+REVISION=${REVISION:5} # drop the first 5 characters
+REVISION=${REVISION:0:${#REVISION}-9} # drop the last 9 characters
+REVISION=${REVISION/\-/}

script/uberjar

@@ -20,6 +20,7 @@ REVISION=`git --no-replace-objects describe --match v$MAJOR.$MINOR`
 # it is a little easier to understand.
 REVISION=${REVISION:5} # drop the first 5 characters
 REVISION=${REVISION:0:${#REVISION}-9} # drop the last 9 characters
+REVISION=${REVISION/\-/}
 
 COMP_FILE=`mktemp /tmp/compiler.clj.XXXXXXXXXXX`
 sed -e 's/^.def ^:dynamic \*clojurescript-version\*.*$/(def ^:dynamic *clojurescript-version* {:major '"$MAJOR"', :minor '"$MINOR"', :qualifier '"$REVISION"'})/' src/main/clojure/cljs/util.cljc > $COMP_FILE