rpm2spec() {
sed -re 's,^(.+)-[^-]+-[^-]+$,\1.spec,'
}
+
+
+#
+# A colorized bash prompt
+# - shows curret branch
+# - shows if branch is up to date/ahead/behind
+# - shows if last command exited with error (red)
+#
+# To use it, set $PROMPT_COMMAND env var:
+# PROMPT_COMMAND=__bash_prompt_command
+#
+__bash_prompt_command() {
+ local previous_return_value=$?
+
+ local RED="\[\033[0;31m\]"
+ local YELLOW="\[\033[0;33m\]"
+ local GREEN="\[\033[0;32m\]"
+ local BLUE="\[\033[0;34m\]"
+ local LIGHT_RED="\[\033[1;31m\]"
+ local LIGHT_GREEN="\[\033[1;32m\]"
+ local WHITE="\[\033[1;37m\]"
+ local LIGHT_GRAY="\[\033[0;37m\]"
+ local COLOR_NONE="\[\e[0m\]"
+
+ local prompt="${BLUE}[${RED}\w${GREEN}$(__bash_parse_git_branch)${BLUE}]${COLOR_NONE} "
+ if [ $previous_return_value -eq 0 ]; then
+ PS1="${prompt}➔ "
+ else
+ PS1="${prompt}${RED}➔${COLOR_NONE} "
+ fi
+}
+
+# helper for __bash_prompt_command
+# command line (git) coloring
+# note we use "\" here to avoid any "git" previous alias/func
+__bash_parse_git_branch() {
+ # not in git dir. return early
+ \git rev-parse --git-dir &> /dev/null || return
+
+ local git_status branch_pattern remote_pattern diverge_pattern
+ local state remote branch
+
+ git_status=$(\git -c color.ui=no status 2> /dev/null)
+ branch_pattern="^On branch ([^${IFS}]*)"
+ remote_pattern="Your branch is (behind|ahead) "
+ diverge_pattern="Your branch and (.*) have diverged"
+
+ if [[ ! ${git_status} =~ "working directory clean" ]]; then
+ state="${RED}⚡"
+ fi
+
+ # add an else if or two here if you want to get more specific
+ if [[ ${git_status} =~ ${remote_pattern} ]]; then
+ if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then
+ remote="${YELLOW}↑"
+ else
+ remote="${YELLOW}↓"
+ fi
+ fi
+
+ if [[ ${git_status} =~ ${diverge_pattern} ]]; then
+ remote="${YELLOW}↕"
+ fi
+
+ if [[ ${git_status} =~ ${branch_pattern} ]]; then
+ branch=${BASH_REMATCH[1]}
+ echo " (${branch})${remote}${state}"
+ fi
+}