]> git.pld-linux.org Git - packages/rpm-build-tools.git/blobdiff - bash-prompt.sh
don't override GETURI when using wget
[packages/rpm-build-tools.git] / bash-prompt.sh
index b893fd9d3efefe8a0c96620eda5a2e7cc97bb581..5eec27643d2dc9ce6900c8fd2b289e975a7c8aec 100644 (file)
@@ -1,12 +1,15 @@
 # NOTE:
-# This code works known to work for bash
+# This code is known to work with bash
+
+# the code below requires bash 4.x, skip if earlier
+test ${BASH_VERSION%%.*} -lt 4 && return 1
 
 # To use it, source this file and set $PROMPT_COMMAND env var:
 # PROMPT_COMMAND=__bash_prompt_command
 
 #
 # A colorized bash prompt
-# - shows curret branch
+# - shows current branch
 # - shows if branch is up to date/ahead/behind
 # - shows if last command exited with error (red)
 #
@@ -40,41 +43,41 @@ __bash_prompt_command() {
 # 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
+       git rev-parse --git-dir &> /dev/null || return
 
-       local git_status branch_pattern remote_pattern diverge_pattern
-       local state remote branch
+       local state remote branch base local
 
-       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"
+       # without branch, nothing is shown; don't bother further
+       branch=$(git symbolic-ref --short HEAD 2>/dev/null) || return
 
-       if [[ ! ${git_status} =~ "working directory clean" ]]; then
-               state="${RED}â\9a¡"
+       if [ -n "$(git status -s 2> /dev/null)" ]; then
+               state="${RED}â\98\85"
        fi
 
-       # add an else if or two here if you want to get more specific
-       if [[ ${git_status} =~ ${remote_pattern} ]]; then
-               if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then
+       # http://stackoverflow.com/a/3278427
+       remote=$(git rev-parse '@{u}' 2>/dev/null)
+       base=$(git merge-base @ '@{u}' 2>/dev/null)
+       if [[ -n "$remote" && -n "$base" ]]; then
+               local=$(git rev-parse @)
+
+               if [[ $local = $remote ]]; then
+                       remote=""
+               elif [[ $local = $base ]]; then
+                       remote="${YELLOW}↓"
+               elif [[ $remote = $base ]]; then
                        remote="${YELLOW}↑"
                else
-                       remote="${YELLOW}â\86\93"
+                       remote="${YELLOW}â\86\95"
                fi
+       else
+               remote=""
        fi
 
-       if [[ ${git_status} =~ ${diverge_pattern} ]]; then
-               remote="${YELLOW}↕"
-       fi
-
-       if [[ ${git_status} =~ ${branch_pattern} ]]; then
-               branch=${BASH_REMATCH[1]}
-               echo " (${branch})${remote}${state}"
-       fi
+       echo " (${branch})${remote}${state}"
 }
 
 # cache requires bash 4.x
-declare -A __package_update_rpmversion_cache
+declare -A __package_update_rpmversion_cache=()
 __package_update_rpmversion() {
        # extract vars from cache
        set -- ${__package_update_rpmversion_cache[$PWD]}
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