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git info command
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#!/bin/sh | |
# | |
# git-info - shows information about a Git repository a la `svn info' | |
# | |
# How to use: | |
# $ git info | |
# $ git info ~/src/somewhere/somefile | |
# $ git info some/relative/file_or_directory | |
# $ git info ~/repos/something.git | |
# | |
# Copyright (c) 2009, 2012, 2013 Akinori MUSHA | |
# | |
# All rights reserved. | |
# | |
# Redistribution and use in source and binary forms, with or without | |
# modification, are permitted provided that the following conditions | |
# are met: | |
# 1. Redistributions of source code must retain the above copyright | |
# notice, this list of conditions and the following disclaimer. | |
# 2. Redistributions in binary form must reproduce the above copyright | |
# notice, this list of conditions and the following disclaimer in the | |
# documentation and/or other materials provided with the distribution. | |
# | |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
# SUCH DAMAGE. | |
# | |
PAGINATE=t | |
COLOR= | |
main () { | |
local path file first=t opt OPTIND=1 ret | |
while getopts 'p-:' opt; do | |
case "$opt" in | |
p) | |
PAGINATE=t | |
;; | |
-) | |
case "$OPTARG" in | |
paginate) | |
PAGINATE=t | |
;; | |
no-pager) | |
PAGINATE= | |
;; | |
color) | |
COLOR=always | |
;; | |
color\=*) | |
COLOR="${OPTARG#color=}" | |
;; | |
*) | |
die "Illegal option --$OPTARG" | |
;; | |
esac | |
;; | |
*) | |
echo "Usage: $0 [-p|--paginate|--no-pager|--color[=<when>]] [path]" >&2 | |
die | |
;; | |
esac | |
done | |
shift $(($OPTIND - 1)) | |
initialize_colors | |
case "$#" in | |
1) | |
;; | |
0) | |
if [ -n "$GIT_DIR" ]; then | |
set -- "$GIT_DIR" | |
else | |
set -- . | |
fi | |
;; | |
*) | |
die "Too many arguments" | |
;; | |
esac | |
git_info "$1" | |
} | |
initialize_colors () { | |
if [ -z "$COLOR" ]; then | |
if git config --get-colorbool color.info; then | |
COLOR=always | |
else | |
COLOR=never | |
fi | |
fi | |
case "$COLOR" in | |
always|never) | |
COLOR_BRANCH=$COLOR | |
;; | |
auto) | |
if git config --get-colorbool color.branch; then | |
COLOR_BRANCH=always | |
else | |
COLOR_BRANCH=never | |
fi | |
;; | |
*) | |
die "option \`color' expects \"always\", \"auto\", or \"never\"" | |
;; | |
esac | |
if [ "$COLOR" = always ]; then | |
REMOTE_COLOR="$(get_color color.info.remote color.branch.remote red)" | |
LOCAL_COLOR="$(get_color color.info.local color.branch.local green)" | |
PATH_COLOR="$(get_color color.info.path '' 'bold')" | |
REPOSITORY_COLOR="$(get_color color.info.repository '' 'bold')" | |
ID_COLOR="$(get_color color.info.id '' 'yellow')" | |
RESET_COLOR="$(git config --get-color '' '')" | |
else | |
REMOTE_COLOR= | |
LOCAL_COLOR= | |
PATH_COLOR= | |
REPOSITORY_COLOR= | |
ID_COLOR= | |
RESET_COLOR= | |
fi | |
} | |
get_color () { | |
local key1="$1" key2="$2" fb="$3" | |
local color="$(git config --get-color "$key1" '')" | |
case "$color" in | |
'[m'|'') | |
git config --get-color "$key2" "$fb" | |
;; | |
*) | |
printf '%s' "$color" | |
;; | |
esac | |
} | |
git_info () { | |
local path="$1" dir relpath root git_dir | |
if [ -d "$path" ]; then | |
dir="$(cd -P "$path" && pwd)" || die "$path: Cannot cd to the directory" | |
case "$path" in | |
*.git) | |
git_dir="$dir" | |
;; | |
esac | |
elif [ -f "$path" ]; then | |
dir="$(dirname "$path")" | |
dir="$(cd -P "$dir" && pwd)" || die "$dir: Cannot cd to the directory" | |
relpath="$(basename "$path")" | |
else | |
die "$path: No such file or directory" | |
fi | |
if [ -n "$git_dir" ]; then | |
dir= | |
relpath= | |
elif case "$dir" in ?*.git) [ -d "$dir/objects" -a -d "$dir/refs" ] ;; *) false ;; esac; then | |
git_dir="$dir" | |
relpath= | |
else | |
root="$( | |
cd "$dir" || exit 1 | |
while [ ! -d .git ]; do | |
[ "$(pwd)" = / ] && exit 1 | |
cd .. | |
done | |
pwd | |
)" || die "Not a git repository." | |
git_dir="$root/.git" | |
if [ "$dir" = "$root" ]; then | |
relpath=. | |
elif [ -n "$relpath" ]; then | |
relpath="${dir#"$root/"}/$relpath" | |
else | |
relpath="${dir#"$root/"}" | |
fi | |
fi | |
set -- "$git_dir" | |
if [ -n "$relpath" ]; then | |
set -- "$@" "$relpath" | |
fi | |
if [ -n "$PAGINATE" ]; then | |
do_git_info "$@" | git-pager | |
else | |
do_git_info "$@" | |
fi | |
} | |
do_git_info () { | |
local git_dir="$1" relpath="$2" root line field color reset | |
shift | |
echo "Repository Path: $PATH_COLOR$git_dir$RESET_COLOR" | |
if [ $# -gt 0 ]; then | |
root="$(dirname "$git_dir")" | |
if [ "$relpath" = . ]; then | |
echo "Path: $PATH_COLOR$root$RESET_COLOR" | |
else | |
echo "Path: $PATH_COLOR$root/$relpath$RESET_COLOR" | |
fi | |
fi | |
maketemp | |
GIT_DIR="$git_dir" git remote -v > "$TEMPFILE" | |
if [ -s "$TEMPFILE" ]; then | |
echo "Remote Repositories:" | |
sed -e "s/^\([^ ]\{1,\}\)\([ ]\{1,\}\)\([^ ]\{1,\}\)/$REMOTE_COLOR\1$RESET_COLOR\2$REPOSITORY_COLOR\3$RESET_COLOR/" \ | |
-e 's/^/ /' \ | |
"$TEMPFILE" | |
fi | |
GIT_DIR="$git_dir" git branch -r --color=$COLOR_BRANCH > "$TEMPFILE" | |
if [ -s "$TEMPFILE" ]; then | |
echo "Remote Branches:" | |
sed -e "s/\([ ]\{1,\}->[ ]\{1,\}\)\([^ ]\{1,\}\)/\1$REMOTE_COLOR\2$RESET_COLOR/" \ | |
-e 's/^ */ /' "$TEMPFILE" | |
fi | |
GIT_DIR="$git_dir" git branch --color=$COLOR_BRANCH > "$TEMPFILE" | |
if [ -s "$TEMPFILE" ]; then | |
echo "Local Branches:" | |
sed 's/^/ /' "$TEMPFILE" | |
fi | |
echo "Repository Configuration:" | |
sed -e "s/^\(\[remote \"\)\([^\"]\{1,\}\)\(\"\]\)$/\1$REMOTE_COLOR\2$RESET_COLOR\3/" \ | |
-e "s/^\([ ]*remote[ ]*=[ ]*\"\{0,1\}\)\([^\" ]\{1,\}\)\(\"\{0,1\}[ ]*\)$/\1$REMOTE_COLOR\2$RESET_COLOR\3/" \ | |
-e "s/^\(\[branch \"\)\([^\"]\{1,\}\)\(\"\]\)$/\1$LOCAL_COLOR\2$RESET_COLOR\3/" \ | |
-e "s/^\([ ]*url[ ]*=[ ]*\"\{0,1\}\)\([^\" ]\{1,\}\)\(\"\{0,1\}[ ]*\)$/\1$REPOSITORY_COLOR\2$RESET_COLOR\3/" \ | |
-e 's/^/ /' \ | |
"$git_dir"/config | |
(cd "$root" && GIT_DIR="$git_dir" git log --max-count=1 "$@") | { | |
while read -r field line; do | |
color= | |
reset= | |
case "$field" in | |
commit) | |
field='Commit ID:' | |
color="$ID_COLOR" | |
reset="$RESET_COLOR" | |
;; | |
*:) | |
;; | |
'') | |
break | |
;; | |
esac | |
echo "Last Changed $field $color$line$reset" | |
done | |
cat > "$TEMPFILE" | |
} | |
echo "Last Changed Log:" | |
sed 's/^ / /' "$TEMPFILE" | |
finalize | |
} | |
die () { | |
[ "$#" -gt 0 ] && echo "$0: $@" >&2 | |
finalize | |
exit 1 | |
} | |
TEMPFILE= | |
maketemp () { | |
if [ -z "$TEMPFILE" ]; then | |
TEMPFILE="$(mktemp /tmp/git-info.XXXXXX)" || die | |
trap "finalize; exit 130" 1 2 3 15 | |
fi | |
} | |
finalize () { | |
if [ -n "$TEMPFILE" ]; then | |
rm -f "$TEMPFILE" | |
fi | |
} | |
main "$@" |
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alias gi='. /Users/$USER/git-info.sh'
Above is for MacOS, below is a nice alternative for Linux:
Make an alias for the git-info script
alias "gi"='. /home/$USER/git-info.sh'