[packages/rpm-build-tools] bash-prompt: rewritten not to rely on git status output text
glen
glen at pld-linux.org
Sun Nov 20 18:40:55 CET 2016
commit 893f1bfe17def845775adf8ec64649251e5e1672
Author: Elan Ruusamäe <glen at delfi.ee>
Date: Sun Nov 20 19:39:56 2016 +0200
bash-prompt: rewritten not to rely on git status output text
to be error prone to changes in git status command output
bash-prompt.sh | 42 +++++++++++++++++++-----------------------
1 file changed, 19 insertions(+), 23 deletions(-)
---
diff --git a/bash-prompt.sh b/bash-prompt.sh
index 2750122..467e4b3 100644
--- a/bash-prompt.sh
+++ b/bash-prompt.sh
@@ -1,5 +1,5 @@
# 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
@@ -9,7 +9,7 @@ test ${BASH_VERSION%%.*} -lt 4 && return 1
#
# A colorized bash prompt
-# - shows curret branch
+# - shows current branch
# - shows if branch is up to date/ahead/behind
# - shows if last command exited with error (red)
#
@@ -43,37 +43,33 @@ __bash_prompt_command() {
# note we use "\" here to avoid any "git" previous alias/func
__bash_parse_git_branch() {
# not in git dir. return early
- \git rev-parse --git-dir &> /dev/null || return
+ git rev-parse --git-dir &> /dev/null || return
- local git_status branch_pattern remote_pattern diverge_pattern
local state remote branch
- git_status=$(\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 [[ ! ${git_status} =~ "working directory clean" ]]; then
+ if [ -n "$(git status -s 2> /dev/null)" ]; 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} =~ ${diverge_pattern} ]]; then
+ # http://stackoverflow.com/a/3278427
+ local=$(git rev-parse @)
+ remote=$(git rev-parse '@{u}')
+ base=$(git merge-base @ '@{u}')
+
+ if [ $local = $remote ]; then
+ remote=""
+ elif [ $local = $base ]; then
+ remote="${YELLOW}↓"
+ elif [ $remote = $base ]; then
+ remote="${YELLOW}↑"
+ else
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
================================================================
---- gitweb:
http://git.pld-linux.org/gitweb.cgi/packages/rpm-build-tools.git/commitdiff/893f1bfe17def845775adf8ec64649251e5e1672
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