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#!/bin/sh
# Git Trach, track the state of multiple repos from a single file.
# dependencies:
# - git
# - $EDITOR: -e
repos=$HOME/sync/share/git-track.txt
# prevent file not found errors
touch "$repos" || exit 1
help() {
cat >&2 <<EOF
usage: gt [OPTION]
-a PATH add repo
-s update and show status of each repo
-c COMMAND run 'git COMMAND' in each repo
-h show this help
-l list repos
-e edit repos in \$EDITOR
EOF
}
# fetch repository prettily, outputs nothing if failed
fetch() {
# fetch with one-line printing of progress
git fetch --progress 2>/dev/null | while read -r line; do # \r\033[0K : clear current line
printf >&2 '\r\033[0K%s' "$line"
done
}
# Print repositories prettily
# This function function prints animations (eg. clearing the line)
# to stderr and the final status line is outputted to stdout.
status() {
while read -r repo; do
repo_pretty="$(printf '%s' "$repo" | sed "s@$HOME@~@")"
if [ ! -d "$repo" ]; then
printf '%s missing\n' "$repo_pretty"
continue
fi
# absolute path
cd "$repo"
# replace line with status
printf >&2 '\r\033[0K'
status="$(git status --porcelain 2>/dev/null |
awk '{print $1}' |
sort | uniq | tr -s '?' |
tr -d '\n')"
remote="$(git branch -v 2>/dev/null |
sed '/^*/!d;s/ahead/↑/;s/behind/↓/;s/[^↓↑]*//g')"
printf '%s %s %s\n' "$repo_pretty" "$status" "$remote"
done <"$repos"
}
# run git command in each repo
# $1: command
repos_cmd() {
while read -r repo; do
repo_pretty="$(printf '%s' "$repo" | sed "s@$HOME@~@")"
printf ''\''%s'\'' in %s' "$1" "$repo_pretty"
(
cd "$repo"
git "$1" >/dev/null 2>&1
[ $? -gt 0 ] && s="x" || s="o"
printf '\r\033[0K%s: %s\n' "$repo_pretty" "$s"
)
done <"$repos"
}
# no options
if [ -z "$1" ]; then
help
exit 1
fi
while getopts ":a:c:f:lshe" opt; do
case "$opt" in
a)
cd "$OPTARG" || exit 1
r="$(git rev-parse --show-toplevel)"
[ "$r" ] || exit 2
if grep "$r" "$repos" >/dev/null 2>&1; then
printf >&2 'added already.\n'
exit 2
fi
printf '%s\n' "$r" >>"$repos"
printf >&2 'added.\n'
;;
c)
f_command=1
f_arg="$OPTARG"
;;
s) f_status=1 ;;
l) cat "$repos" ;;
e) $EDITOR "$repos" ;;
f) repos="$OPTARG" ;;
h) help ;;
:)
printf >&2 -- '-%s requires argument\n' "$OPTARG"
exit 1
;;
?)
printf >&2 -- 'Invalid option: -%s\n' "$OPTARG"
exit 1
;;
esac
done
# commands hereafter must happen in order
[ "$(wc -l <"$repos")" -gt 0 ] || exit 0
if [ "$f_command" ]; then
repos_cmd "$f_arg"
fi
if [ "$f_status" ]; then
status
fi
# eval "herbe $(status | sed 's/"/\"/g;s/.*/"&"/' | tr '\n' ' ')"
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