Initial Oh My Bash framework

tools/upgrade.sh

@@ -0,0 +1,37 @@
+# Use colors, but only if connected to a terminal, and that terminal
+# supports them.
+if which tput >/dev/null 2>&1; then
+    ncolors=$(tput colors)
+fi
+if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
+  RED="$(tput setaf 1)"
+  GREEN="$(tput setaf 2)"
+  YELLOW="$(tput setaf 3)"
+  BLUE="$(tput setaf 4)"
+  BOLD="$(tput bold)"
+  NORMAL="$(tput sgr0)"
+else
+  RED=""
+  GREEN=""
+  YELLOW=""
+  BLUE=""
+  BOLD=""
+  NORMAL=""
+fi
+
+printf "${BLUE}%s${NORMAL}\n" "Updating Oh My Bash"
+cd "$OSH"
+if git pull --rebase --stat origin master
+then
+  printf '%s' "$GREEN"
+  printf '%s\n' '         __                          __               __  '
+  printf '%s\n' '  ____  / /_     ____ ___  __  __   / /_  ____ ______/ /_ '
+  printf '%s\n' ' / __ \/ __ \   / __ `__ \/ / / /  / __ \/ __ `/ ___/ __ \'
+  printf '%s\n' '/ /_/ / / / /  / / / / / / /_/ /  / /_/ / /_/ (__  ) / / /'
+  printf '%s\n' '\____/_/ /_/  /_/ /_/ /_/\__, /  /_.___/\__,_/____/_/ /_/ '
+  printf '%s\n' '                        /____/                            '
+  printf "${BLUE}%s\n" "Hooray! Oh My Bash has been updated and/or is at the current version."
+  printf "${BLUE}${BOLD}%s${NORMAL}\n" "To keep up on the latest news and updates, follow us on GitHub: https://github.com/nntoan/oh-my-bash"
+else
+  printf "${RED}%s${NORMAL}\n" 'There was an error updating. Try again later?'
+fi