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134 lines
3.5 KiB
134 lines
3.5 KiB
#!/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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if [[ -z "$__GIT_PROMPT_COLORS_FILE" ]]; then
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for dir in "$HOME" "$__GIT_PROMPT_DIR" ; do
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for pfx in '.' '' ; do
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file="$dir/${pfx}git-prompt-colors.sh"
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if [[ -f "$file" ]]; then
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__GIT_PROMPT_COLORS_FILE="$file"
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break 2
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fi
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done
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done
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fi
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# if the envar is defined, source the file for custom colors
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if [[ -n "$__GIT_PROMPT_COLORS_FILE" && -f "$__GIT_PROMPT_COLORS_FILE" ]]; then
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source "$__GIT_PROMPT_COLORS_FILE"
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fi
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# change those symbols to whatever you prefer
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if [[ -n "${GIT_PROMPT_SYMBOLS_AHEAD}" ]]; then
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symbols_ahead="${GIT_PROMPT_SYMBOLS_AHEAD}"
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else
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symbols_ahead='↑·'
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fi
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if [[ -n "${GIT_PROMPT_SYMBOLS_BEHIND}" ]]; then
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symbols_behind="${GIT_PROMPT_SYMBOLS_BEHIND}"
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else
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symbols_behind='↓·'
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fi
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if [[ -n "${GIT_PROMPT_SYMBOLS_PREHASH}" ]]; then
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symbols_prehash=':'
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else
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symbols_prehash="${GIT_PROMPT_SYMBOLS_PREHASH}"
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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 "$staged_files"` - num_conflicts ))
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num_untracked=`git status -s -uall | grep -c "^??"`
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if [[ -n "$GIT_PROMPT_IGNORE_STASH" ]]; then
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num_stashed=0
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else
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num_stashed=`git stash list | wc -l`
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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="$tag"
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else
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branch="${symbols_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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# 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="${remote}${symbols_behind}${num_behind}"
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fi
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if (( num_ahead > 0 )) ; then
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remote="${remote}${symbols_ahead}${num_ahead}"
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fi
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fi
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if [[ -z "$remote" ]] ; then
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remote='.'
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fi
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for w in "$branch" "$remote" $num_staged $num_conflicts $num_changed $num_untracked $num_stashed $clean ; do
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echo "$w"
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done
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exit
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