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feat: git weekly backups

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Hane 2026-06-04 13:11:48 +02:00
commit bd144370ca
2 changed files with 54 additions and 16 deletions
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33
orchestrating/README.org
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@ -1,19 +1,42 @@
#+OPTIONS: toc:nil #+OPTIONS: toc:nil
* ROOT SERVICES * INIT SYSTEM
** ROOT SERVICES (Currently none!)
=<service>.sh= to be symlinked to =/etc/init.d/podman-containers= =<service>.sh= to be symlinked to =/etc/init.d/podman-containers=
* USER SERVICES AND RUNLEVELS ** USER SERVICES AND RUNLEVELS
=.config= folder to be symlinked to =~= =.config= folder to be symlinked to =~=
* XDG VARIABLES AND RUNNING USER SERVICES ON LOGIN ** * XDG VARIABLES AND RUNNING USER SERVICES ON LOGIN
=.profile= to be symlinked to =/home/$USER/.profile= =.profile= to be symlinked to =/home/$USER/.profile=
* RUN USERS SERVICES ON BOOT ** RUN USERS SERVICES ON BOOT
Symlink =/etc/init.d/user= to =/etc/init.d/user.$usernames=. After add, add the latter service with =rc-update= as root. Symlink =/etc/init.d/user= to =/etc/init.d/user.$usernames=. After add, add the latter service with =rc-update= as root.
* IF <USER> HAS PASSWORD ** IF <USER> HAS PASSWORD
Add the following to a new file in =/etc/doas.d/=: Add the following to a new file in =/etc/doas.d/=:
#+begin_src shell #+begin_src shell
permit nopass <user> as <user> permit nopass <user> as <user>
permit nopass root as <user> permit nopass root as <user>
#+end_src #+end_src
* Timed cron jobs
First, swap built-in =crond= for =dcron=. We need to swap cron binaries since we would have to give setgid capabilites to the whole Busybox binary to use the included cron binary. We also need to install =libcap= to set capabilities:
#+begin_src shell
# apk add dcron libcap
** if crond is set up, remember to stop and delete it before continuing!
# rc-service dcron start
# rc-update add dcron
#+end_src
We now set up =$USER='s crontab as such:
#+begin_src shell
#crontab -u $USER -e
@weekly ID=git-back.weekly /home/$user/pihanepi/orchestrating/cronjobs/forgejo-clone/forgejo-clone.sh
#+end_src
Finally, check =/var/log/messages= to confirm everything ran successfully.

37
orchestrating/cronjobs/forgejo-clone/forgejo-clone.sh
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@ -25,15 +25,15 @@ echo $repo_urls
echo "----\n" echo "----\n"
#Cloning each repo to destdir #Cloning each repo to destdir
i=0; repo_idx=0;
finished=false; repo_finished=false;
while ! $finished while ! $repo_finished
do do
i=$(($i+1)); repo_idx=$(($repo_idx+1));
repo=$(awk "{print \$$i}" <(echo $repo_urls)) repo=$(awk "{print \$$repo_idx}" <(echo $repo_urls))
if [ "$repo" = "" ] if [ "$repo" = "" ]
then then
finished=true repo_finished=true
else else
#Retrieve repo name for folder #Retrieve repo name for folder
repo_name="$(awk -F/ '{print $5}' <(echo $repo))" repo_name="$(awk -F/ '{print $5}' <(echo $repo))"
@ -42,16 +42,31 @@ do
#Remove quotes from user_username #Remove quotes from user_username
username=${user_username%\"} username=${user_username%\"}
username=${username#\"} username=${username#\"}
#Clone repo #Clone or rebase repo
#TODO: what do if repo already exists? if it!
if [ -e "$REPO_DIR$repo_name" ] if [ -e "$REPO_DIR$repo_name" ]
then then
echo "REPO: $repo_name" echo "REPO: $repo_name"
git -C "$REPO_DIR$repo_name" fetch --all git -C "$REPO_DIR$repo_name" fetch -t --all
#git -C "$REPO_DIR$repo_name" rebase --update-refs branch="$(git -C "$REPO_DIR$repo_name" branch | awk '{print $2}')"
git -C "$REPO_DIR$repo_name" rebase $branch --onto origin/$branch
else else
git clone https://$user_username:$AUTH_TOKEN@$GIT_DOMAIN/$username/$repo_name /home/$USER/pihanepi/datamount/gitbackup/$repo_name --recurse-submodules git clone https://$user_username:$AUTH_TOKEN@$GIT_DOMAIN/$username/$repo_name /home/$USER/pihanepi/datamount/gitbackup/$repo_name --recurse-submodules
fi fi
fi fi
done done
#NOTE: Cool git formatting and same loop to operate on all remote branches
#branches="$(git -C $REPO_DIR$repo_name branch -r --format='%(refname:short)' | awk -F/ '{if ($2) print $2;}')"
#branch_idx=0;
#branch_finished=false;
#while ! $branch_finished
#do
# branch_idx=$(($branch_idx+1));
# branch=$(awk "{print \$$branch_idx}" <(echo $branches))
# if [ "$branch" = "" ]
# then
# branch_finished=true
# else
# git -C "$REPO_DIR$repo_name" rebase $branch --onto origin/$branch
# fi
#done