extract bash git prompt from dotfiles

Author: koffeinfrei

bash-git-prompt

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+# bash git prompt
+GIT_PS1_SHOWDIRTYSTATE=true
+GIT_PS1_SHOWUNTRACKEDFILES=true
+GIT_PS1_SHOWUPSTREAM="verbose"
+
+__git_ps1_improved() {
+    local git_current_branch_name="\$(__git_ps1 '%s' | sed 's/ .\+//' | sed -e 's/[\\\\/&]/\\\\\\\\&/g')"
+    local git_status_substitutes=(
+        "s/$git_current_branch_name//;"            # remove branch temporarily
+        "s/u//;"                                   # upstream
+        "s/+\([0-9]\+\)/↑\1/;"                     # outgoing
+        "s/-\([0-9]\+\)/↓\1/;"                     # incoming
+        "s/%/?/;"                                  # untracked
+        "s/+/✓/;"                                  # staged
+        "s/*/✕/;"                                  # unstaged
+        "s/\(.*\)/⑂ $git_current_branch_name\1/;"  # insert branch again
+    )
+
+    echo "\$(__git_ps1 '%s'| sed \"${git_status_substitutes[@]}\")"
+}