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bash/.bashrc

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+parse_git_branch() {
+     git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
+}
+export PS1="\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\[\033[31m\]\$(parse_git_branch)\[\033[00m\]$ "

bash/git-stat

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+#!/bin/bash
+git log --pretty=format:==%an --numstat | \
+ sed -r '/==.*/{s/^==//;h;D};/^$/D;s/-/0/g;s/\t[^\t]+$//;G;s/(.*)\n(.*)/\2\t\1/' \
+ | awk -F '\t' '{add[$1]+=$2;del[$1]+=$3} END {for (i in add) {print i,add[i],del[i]}}'