commit b4f0669df58fa178cc6db8726a85abfca467f6cd
Author: ge <gechandev@gmail.com>
Date:   Sun Mar 12 13:59:38 2023 +0300

    init

diff --git a/README b/README
new file mode 100644
index 0000000..8a4fde0
--- /dev/null
+++ b/README
@@ -0,0 +1 @@
+Various shell scripts.
diff --git a/backup_gitea b/backup_gitea
new file mode 100755
index 0000000..967d681
--- /dev/null
+++ b/backup_gitea
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+export PS4='+$0:$LINENO '
+
+set -o errtrace
+set -o pipefail
+set -o xtrace
+
+gitea_bin=/usr/local/bin/gitea
+today="$(date -I)" # yyyy-mm-dd
+backup_dir="/tmp/gitea-backup-$today"
+storage="yandex:/backups" # rclone config, ~/.config/rclone/rclone.conf
+stuff_to_copy=(
+    /etc/systemd/system/gitea.service
+    /etc/nginx/sites-available/gitea.conf
+)
+
+mkdir -p "$backup_dir"
+
+for item in "${stuff_to_copy[@]}"; do
+    cp -r "$item" "$backup_dir"
+done
+
+su -c "$gitea_bin dump -c /etc/gitea/app.ini -f $backup_dir/gitea_dump.zip" - git
+tar -czvf "$backup_dir.tar.gz" "$backup_dir" && rm -rvf "$backup_dir"
+rclone copy "$backup_dir.tar.gz" "$storage/" --progress && rm -v "$backup_dir.tar.gz"
+
+exit "$?"
diff --git a/update_gitea b/update_gitea
new file mode 100755
index 0000000..c9f4c0b
--- /dev/null
+++ b/update_gitea
@@ -0,0 +1,103 @@
+#!/bin/sh
+
+platform=linux-amd64
+gitea_bin=/usr/local/bin/gitea
+tmp_dir="$(mktemp -d /tmp/update_gitea_XXXXX)"
+
+msg()
+{
+    printf '\033[32mINFO\t%s\033[0m\n' "$*"
+}
+
+err()
+{
+    printf '\033[31mERROR\t%s\033[0m\n' "$*"
+    exit 1
+}
+
+cleanup()
+{
+    msg Clean up temporary data.
+    [ -d "$tmp_dir" ] && rm -rf "$tmp_dir"
+}
+
+errexit()
+{
+    if [ "$?" -eq 0 ]; then
+        cleanup
+        exit 0
+    else
+        cleanup
+        err Exiting with non-zero exit code.
+    fi
+}
+
+is_outdated()
+{
+    # Return 1 if Gitea is up to date.
+    # Return 0 if Gitea binary is outdated.
+
+    [ -x "$gitea_bin" ] || err "$gitea_bin": file not exists or not executable
+
+    current="$("$gitea_bin" --version | awk '{print $3}')"
+    latest="$(
+        curl -sSo /dev/null -w '%{redirect_url}' \
+        https://github.com/go-gitea/gitea/releases/latest |
+        cut -d / -f 8 | sed s/v//
+    )"
+
+    msg Current version is "${current:-ERROR}"
+    msg Latest version is "$latest"
+
+    if [ "$current" = "$latest" ]; then
+        return 1
+    else
+        return 0
+    fi
+}
+
+set -e
+trap errexit EXIT
+trap cleanup INT HUP TERM
+
+if ! is_outdated; then
+    msg Gitea is up to date! Exiting.
+    exit 0
+fi
+
+msg Download Gitea binary
+cd "$tmp_dir" || err Cannot change directory to "$tmp_dir".
+wget "https://dl.gitea.com/gitea/$latest/gitea-$latest-$platform"
+wget "https://dl.gitea.com/gitea/$latest/gitea-$latest-$platform.asc"
+wget "https://dl.gitea.com/gitea/$latest/gitea-$latest-$platform.sha256"
+
+msg Verify binary
+sha256sum "gitea-$latest-$platform" | tee "gitea-$latest-$platform.sha256.my"
+if ! diff \
+    "gitea-$latest-$platform.sha256" "gitea-$latest-$platform.sha256.my"; then
+    err Gitea binary is corrupted, please try again.
+fi
+gpg --keyserver keys.openpgp.org --recv 7C9E68152594688862D62AF62D9AE806EC1592E2
+if ! gpg --verify "gitea-$latest-$platform.asc" "gitea-$latest-$platform"; then
+    err 'Wrong GPG signature, please refer to' \
+        'https://docs.gitea.io/en-us/install-from-binary/#verify-gpg-signature'
+fi
+
+msg Stop Gitea
+systemctl stop gitea.service && msg gitea.service is stopped
+
+msg Install new Gitea binary
+install -vDm755 "gitea-$latest-$platform" "$(dirname "$gitea_bin")/gitea-$latest"
+ln -vfrs "$(dirname "$gitea_bin")/gitea-$latest" "$gitea_bin"
+
+msg Start Gitea
+systemctl start gitea.service
+sleep 1
+if systemctl is-active gitea.service >/dev/null 2>&1; then
+    msg gitea.service is started
+    systemctl status --no-pager --lines=0 gitea.service
+else
+    systemctl status --no-pager gitea.service
+fi
+
+msg Gitea is successfully updated!