add bash-it

dot_bash_it/plugins/available/hg.plugin.bash

@@ -0,0 +1,25 @@
+cite about-plugin
+about-plugin 'hg helper functions'
+
+hg_dirty() {
+    about 'displays dirty status of hg repository'
+    group 'hg'
+
+    hg status --no-color 2> /dev/null \
+    | awk '$1 == "?" { print "?" } $1 != "?" { print "!" }' \
+    | sort | uniq | head -c1
+}
+
+hg_in_repo() {
+    about 'determine if pwd is an hg repo'
+    group 'hg'
+
+    [[ `hg branch 2> /dev/null` ]] && echo 'on '
+}
+
+hg_branch() {
+    about 'display current hg branch'
+    group 'hg'
+
+    hg branch 2> /dev/null
+}