oGre
10 years ago
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#!/bin/bash |
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# -*- coding: UTF-8 -*- |
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# gitstatus.sh -- produce the current git repo status on STDOUT |
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# Functionally equivalent to 'gitstatus.py', but written in bash (not python). |
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# |
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# Alan K. Stebbens <aks@stebbens.org> [http://github.com/aks] |
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# helper functions |
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count_lines() { echo "$1" | egrep -c "^$2" ; } |
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all_lines() { echo "$1" | grep -v "^$" | wc -l ; } |
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if [ -z "${__GIT_PROMPT_DIR}" ]; then |
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SOURCE="${BASH_SOURCE[0]}" |
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while [ -h "${SOURCE}" ]; do |
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DIR="$( cd -P "$( dirname "${SOURCE}" )" && pwd )" |
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SOURCE="$(readlink "${SOURCE}")" |
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[[ $SOURCE != /* ]] && SOURCE="${DIR}/${SOURCE}" |
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done |
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__GIT_PROMPT_DIR="$( cd -P "$( dirname "${SOURCE}" )" && pwd )" |
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fi |
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gitsym=`git symbolic-ref HEAD` |
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# if "fatal: Not a git repo .., then exit |
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case "$gitsym" in fatal*) exit 0 ;; esac |
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# the current branch is the tail end of the symbolic reference |
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branch="${gitsym##refs/heads/}" # get the basename after "refs/heads/" |
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gitstatus=`git diff --name-status 2>&1` |
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# if the diff is fatal, exit now |
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case "$gitstatus" in fatal*) exit 0 ;; esac |
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staged_files=`git diff --staged --name-status` |
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num_changed=$(( `all_lines "$gitstatus"` - `count_lines "$gitstatus" U` )) |
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num_conflicts=`count_lines "$staged_files" U` |
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num_staged=$(( `all_lines "$staged_files"` - num_conflicts )) |
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num_untracked=`git ls-files --others --exclude-standard $(git rev-parse --show-cdup) | wc -l` |
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num_stashed=0 |
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if [[ "$__GIT_PROMPT_IGNORE_STASH" != "1" ]]; then |
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stash_file="$( git rev-parse --git-dir )/logs/refs/stash" |
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if [[ -e "${stash_file}" ]]; then |
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while IFS='' read -r wcline || [[ -n "$wcline" ]]; do |
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((num_stashed++)) |
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done < ${stash_file} |
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fi |
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fi |
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clean=0 |
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if (( num_changed == 0 && num_staged == 0 && num_U == 0 && num_untracked == 0 && num_stashed == 0 )) ; then |
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clean=1 |
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fi |
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remote= |
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if [[ -z "$branch" ]]; then |
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tag=`git describe --exact-match` |
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if [[ -n "$tag" ]]; then |
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branch="$tag" |
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else |
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branch="_PREHASH_`git rev-parse --short HEAD`" |
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fi |
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else |
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remote_name=`git config branch.${branch}.remote` |
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if [[ -n "$remote_name" ]]; then |
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merge_name=`git config branch.${branch}.merge` |
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else |
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remote_name='origin' |
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merge_name="refs/heads/${branch}" |
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fi |
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if [[ "$remote_name" == '.' ]]; then |
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remote_ref="$merge_name" |
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else |
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remote_ref="refs/remotes/$remote_name/${merge_name##refs/heads/}" |
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fi |
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# detect if the local branch have a remote tracking branch |
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cmd_output=$(git rev-parse --abbrev-ref ${branch}@{upstream} 2>&1 >/dev/null) |
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if [[ $? == 0 ]]; then |
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has_remote_tracking=1 |
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else |
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has_remote_tracking=0 |
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fi |
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# get the revision list, and count the leading "<" and ">" |
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revgit=`git rev-list --left-right ${remote_ref}...HEAD` |
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num_revs=`all_lines "$revgit"` |
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num_ahead=`count_lines "$revgit" "^>"` |
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num_behind=$(( num_revs - num_ahead )) |
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if (( num_behind > 0 )) ; then |
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remote="${remote}_BEHIND_${num_behind}" |
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fi |
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if (( num_ahead > 0 )) ; then |
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remote="${remote}_AHEAD_${num_ahead}" |
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fi |
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fi |
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if [[ -z "$remote" ]] ; then |
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remote='.' |
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fi |
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if [[ "$has_remote_tracking" == "0" ]] ; then |
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remote='_NO_REMOTE_TRACKING_' |
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fi |
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printf "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n" \ |
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"$branch" \ |
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"$remote" \ |
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$num_staged \ |
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$num_conflicts \ |
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$num_changed \ |
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$num_untracked \ |
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$num_stashed \ |
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$clean |
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exit |
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