checkpoint

1 files changed, 111 insertions, 0 deletions

diff --git a/bin/common/gt b/bin/common/gt
new file mode 100755
index 0000000..bdbd00f
--- /dev/null
+++ b/bin/common/gt
@@ -0,0 +1,111 @@
+#!/bin/sh
+
+# Git Trach, track the state of multiple repos from a single file.
+
+# dependencies:
+# - git
+# - $EDITOR: -e  
+# - herbe (optional): -s
+
+repos="${XDG_DATA_HOME:-$HOME}"/git-track.txt
+touch "$repos"
+
+help() {
+    >&2 cat <<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 $EDITOR
+EOF
+}
+
+# fetch repository prettily, outputs nothing if failed
+fetch() {
+	# fetch with one-line printing of progress
+	git fetch --progress 2>/dev/null | while read -r line 
+        	# \r\033[0K : clear current line
+        	do >&2 printf '\r\033[0K%s' "$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@$HOME@~@" )"
+
+        # absolute path
+	cd "$repo" 
+
+	# replace line with status 
+	>&2 printf '\r\033[0K'
+
+	status="$(git status --porcelain 2> /dev/null | awk '{print $1}' | uniq | tr -d '\n')"
+	remote="$(git branch -v 2>/dev/null | sed '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" "$repos" > /dev/null 2>&1
+			then
+				>&2 printf 'added already.\n'
+				exit 2
+			fi
+
+			printf '%s\n' "$r" >> "$repos" 
+
+			>&2 printf 'added.\n' ;;
+	        c) repos_cmd "$OPTARG" ;;
+		s) status=1 ;;
+		l) cat "$repos" ;;
+		e) $EDITOR "$repos" ;;
+		f) repos="$OPTARG" ;;
+		T) help ;;
+		:) >&2 printf -- '-%s requires argument\n' "$OPTARG"; exit 1 ;;
+		?) >&2 printf -- 'Invalid option: -%s\n' "$OPTARG"; exit 1 ;;
+	esac
+done
+
+if [ "$status" ] 
+then
+	status 
+	which herbe > /dev/null 2>&1 &&
+		eval "herbe $(status | sed 's/"/\"/g;s/.*/"&"/' | tr '\n' ' ')" &
+fi