Add git prompt and bazel completion

Author: davido

.bashrc

@@ -0,0 +1,15 @@
+# git prompt
+source ~/.git-prompt.sh
+export PS1='[\u@\h \W$(__git_ps1 " (%s)")]\$ '
+export PROMPT_COMMAND='__git_ps1 "\u@\h:\w" "\\\$ "'
+export GIT_PS1_SHOWDIRTYSTATE=true
+export GIT_PS1_SHOWSTASHSTATE=true
+export GIT_PS1_SHOWUNTRACKEDFILES=true
+export GIT_PS1_SHOWUPSTREAM="auto"
+export GIT_PS1_SHOWCOLORHINTS=true
+
+# bazel completion
+source /usr/share/bash-completion/completions/bazel
+
+alias gjf='git show --diff-filter=AM --pretty="" --name-only HEAD | grep java$ | xargs -r google-java-format -i'
+alias b='git show --diff-filter=AM --pretty="" --name-only HEAD | grep --regex "BUILD\|WORKSPACE" | xargs buildifier'