commit ba3a9af96bd1147bf7d6bb5a259c6d1394c000b6
Author: manuel <manuel@nabla.li>
Date:   Fri Oct 25 08:41:52 2024 +0800

    feat: initial version

diff --git a/joj-repo b/joj-repo
new file mode 100644
index 0000000..4997a8e
--- /dev/null
+++ b/joj-repo
@@ -0,0 +1,79 @@
+#!/bin/bash
+
+COURSE=$(hostname)
+SEMESTER=${COURSE#*-}
+COURSE=${COURSE%-*}
+
+#
+# initial repo/config setup
+#
+init() {
+
+        [ -d $COURSE-config ] && backup $COURSE-config
+
+        git clone ssh://git@focs.ji.sjtu.edu.cn:2222/$COURSE-$SEMESTER/$COURSE-joj.git $COURSE-config
+
+        cd $COURSE-config
+
+# copy config files
+        rsync -r ./$HOME/ $HOME
+
+# check existence of grading branch
+        git branch -a | grep -q grading && br=1
+
+        cd ..
+
+# backup current grading scoreboard
+        [ -d $COURSE-joj ] && backup $COURSE-joj
+
+# clone grading branch or create one + push readme
+        if [ "x$br" = "x1" ]; then
+                git clone -b grading ssh://git@focs.ji.sjtu.edu.cn:2222/$COURSE-$SEMESTER/$COURSE-joj.git
+                cd $COURSE-joj
+                git switch grading
+                git pull
+        else
+                git clone ssh://git@focs.ji.sjtu.edu.cn:2222/$COURSE-$SEMESTER/$COURSE-joj.git
+
+                cd $COURSE-joj
+                git switch --orphan grading
+
+                echo "# $COURSE JOJ grading" > Readme.md
+                echo "This branch is automatically updated by JOJ, **never edit any file in this branch!**" >> Readme.md
+
+                git add Readme.md
+                git commit -m"docs: readme"
+                git push
+        fi
+
+}
+
+#
+# update config repo + copy config files
+#
+update() {
+
+        [ -d "$COURSE-joj" ] || ( echo "ERROR: init first!" 1>&2 && exit )
+        cd $HOME/.cache/$COURSE-config
+
+        git pull
+
+        rsync -r ./$HOME/ $HOME
+
+}
+
+#
+# simple local backup
+#
+backup() {
+
+        BCK="$HOME/.local/share/joj/$1-$(date +%y%m%d-%H%M%S)"
+        echo "WARNING: $1 already exits, backing it up to $BCK"
+        mv "$1" "$BCK"
+
+}
+
+[ -z "$1" ] && echo "Usage: $0 update|init"
+
+cd $HOME/.cache
+$1