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giteainstall
Executable file
313
giteainstall
Executable file
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#!/usr/bin/env bash
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# Author : Allan Christensen
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# First Created : 12032021 (DD-MM-YYYY)
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# Description : Installs Gitea on Ubuntu 24.04
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# License : MIT License (see LICENSE file for details)
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#
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# Are we root
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#
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if [[ $(id -u) -ne 0 ]]; then echo "" && echo "Must be root or use sudo" && echo "" ; exit ; fi
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#
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# Define variables and functions
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#
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fallbackversion=$(<fallback)
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#
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# Function usage
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#
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usage () {
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printf -- "\ngiteainstall\n\n"
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printf -- "%s\n\n" "$socket"
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printf -- "Usage:\n"
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printf -- "sudo ./giteainstall -n <gitea domain> -p <gitea database password> [options]\n\n"
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printf -- "Options:\n"
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printf -- " -a <mariadb admin user> Optional admin username $socketusage\n"
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printf -- " -m <mariadb admin password> Optional admin password $socketusage\n"
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printf -- " -h | -help | --help Show this help screen\n\n"
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printf -- "Examples:\n"
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printf -- " sudo ./giteainstall -n git.example.com -p giteadbpwd\n"
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printf -- " sudo ./giteainstall -n git.example.com -p giteadbpwd -m rootpwd\n"
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printf -- " sudo ./giteainstall -n git.example.com -p giteadbpwd -a admin -m adminpwd\n\n"
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}
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#
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# Function to check if a service is already running or not
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#
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serviceno () { printf "\n%s" "$service" ; printf " is not running cannot continue...\n\n"; }
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servicedead () { status=$(systemctl is-active "$service"); if [[ "$status" != "active" ]]; then serviceno ; exit; fi; }
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#
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# Function inputcheck
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#
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inputcheck () {
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[[ -z "$hostname" ]] && { usage; echo "Error! Hostname empty."; exit 1; }
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[[ -z "$dbpass" ]] && { usage; echo "Error! Database password empty."; exit 1; }
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}
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#
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# If Nginx and MariaDB is not running then die
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#
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service="mariadb" ; servicedead ; service="nginx" ; servicedead
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#
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# Check MariaDB authentication method (socket or not)
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#
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if mysql -u root -e ";" 2>/dev/null; then
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socket="SOCKET DETECTED — no need for -a or -m"
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socketusage="SOCKET DETECTED — this flag is not needed"
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socketauth="yes"
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else
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socket="NO SOCKET DETECTED — you must use -a and -m"
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socketusage="NO SOCKET DETECTED — these flags are required"
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socketauth="no"
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fi
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#
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# Let's go
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#
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clear
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#
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# Check for the latest Gitea version
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#
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version=$(curl -s https://dl.gitea.com/gitea/version.json | grep -oP '"version"\s*:\s*"\K[^"]+')
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#
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# Use fallback if version fetch failed
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#
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if [[ -z "$version" ]]; then printf "Could not determine latest version. Falling back to version %s\n\n" "$fallbackversion" ; version="$fallbackversion" ; fi
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printf "\nUsing Gitea version: %s\n" "$version"
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#
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# Configure command line options
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#
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# Check for long or alternate help flags before getopts
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if [[ "$1" == "-help" || "$1" == "--help" ]]; then usage ; exit 0 ; fi
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# Ensure first argument starts with a dash
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if [[ $# -eq 0 || ! $1 =~ ^- ]]; then usage ; exit 1 ; fi
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# Parse short options
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while getopts "n:p:m:a:h" option; do
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case "$option" in
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n) hostname=$(echo "$OPTARG" | tr '[:upper:]' '[:lower:]');;
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p) dbpass="$OPTARG";;
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m) mariadbpwd="$OPTARG";;
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a) mariadbadmin="$OPTARG";;
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h) usage; exit 0;;
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\?) echo "Type sudo $0 -h for help"; exit 1;;
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esac
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done
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#
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# Check if input conditions are met
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#
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inputcheck "$hostname" "$dbpass"
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#
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# Download Gitea
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#
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wget --no-verbose https://dl.gitea.com/gitea/"$version"/gitea-"$version"-linux-amd64 -O /usr/local/bin/gitea ; chmod 755 /usr/local/bin/gitea
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#
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# Clone nginx-snippets; if nginx-snippets exists then just pull latest changes
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#
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nginxsnippets="/etc/nginx/nginx-snippets"
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repo="https://git.x-files.dk/webserver/nginx-snippets.git"
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if [[ -d "$nginxsnippets/.git" ]]; then git -C "$nginxsnippets" pull --quiet; else git clone --quiet "$repo" "$nginxsnippets"; fi
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#
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# Escape special characters in the password for MySQL
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#
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safe_dbpass=$(printf "%s" "$dbpass" | sed "s/'/''/g")
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#
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# Determine MariaDB login method
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#
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mariadbadmin="${mariadbadmin:-root}"
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printf "\nChecking MariaDB access method...\n"
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if [[ "$socketauth" == "yes" ]]; then
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dbmethod="socket"
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printf "Socket authentication detected (root)\n"
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elif [[ -n "$mariadbpwd" && -n "$mariadbadmin" ]]; then
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dbmethod="admin"
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printf "Using admin user authentication (%s)\n" "$mariadbadmin"
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else
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printf "\nERROR: No valid MariaDB authentication method found.\n"
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printf "Tried socket, root password, and admin credentials.\n\n"
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exit 1
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fi
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#
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# Create Gitea database
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#
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case "$dbmethod" in
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socket)
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mysql -u root <<EOF
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CREATE DATABASE IF NOT EXISTS gitea;
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CREATE USER IF NOT EXISTS 'gitea'@'localhost' IDENTIFIED BY '${safe_dbpass//\'/\'\\\'\'}';
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GRANT ALL PRIVILEGES ON gitea.* TO 'gitea'@'localhost';
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FLUSH PRIVILEGES;
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EOF
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;;
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admin)
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mysql -u "${mariadbadmin}" -p"${mariadbpwd}" <<EOF
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CREATE DATABASE IF NOT EXISTS gitea;
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CREATE USER IF NOT EXISTS 'gitea'@'localhost' IDENTIFIED BY '${safe_dbpass//\'/\'\\\'\'}';
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GRANT ALL PRIVILEGES ON gitea.* TO 'gitea'@'localhost';
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FLUSH PRIVILEGES;
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EOF
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;;
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esac
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#
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# Create a Gitea Nginx configuration file
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#
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cp "$nginxsnippets/hostfiles/gitea.80.conf" /etc/nginx/conf.d/"$hostname".conf
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sed -i "s/DOMAIN/$hostname/g" /etc/nginx/conf.d/"$hostname".conf
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#
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# Restarting Nginx for changes to take effect
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#
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systemctl restart nginx
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#
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# Create Gitea user
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#
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adduser --system --group --disabled-password --shell /bin/bash --home /home/git --gecos 'Git Version Control' git
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#
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# Create Gitea standard folders
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#
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mkdir -p /var/lib/gitea/{custom,data,indexers,public,log}
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chown git:git /var/lib/gitea/{data,indexers,log}
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chmod 750 /var/lib/gitea/{data,indexers,log}
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mkdir /etc/gitea
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chown root:git /etc/gitea
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chmod 770 /etc/gitea
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#
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# Create Gitea customization directories
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#
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mkdir -p /var/lib/gitea/custom/templates
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mkdir -p /var/lib/gitea/custom/public/assets/img
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#
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# Create Gitea systemd file
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#
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cat > /etc/systemd/system/gitea.service <<'EOF'
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[Unit]
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Description=Gitea (Git with a cup of tea)
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After=syslog.target
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After=network.target
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Requires=mariadb.service
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[Service]
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LimitMEMLOCK=infinity
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LimitNOFILE=65535
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RestartSec=2s
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Type=simple
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User=git
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Group=git
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WorkingDirectory=/var/lib/gitea/
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ExecStart=/usr/local/bin/gitea web -c /etc/gitea/app.ini
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Restart=always
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Environment=USER=git HOME=/home/git GITEA_WORK_DIR=/var/lib/gitea
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#CapabilityBoundingSet=CAP_NET_BIND_SERVICE
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#AmbientCapabilities=CAP_NET_BIND_SERVICE
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[Install]
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WantedBy=multi-user.target
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EOF
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#
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# Start Gitea services
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#
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systemctl daemon-reload
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systemctl enable gitea
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systemctl start gitea
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#
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# Create postinstall script
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#
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cat > /tmp/gitea-postinstall <<EOF
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#!/usr/bin/env bash
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#
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# Gitea Postinstall Script
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#
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if [[ \$(id -u) -ne 0 ]]; then echo "" && echo "Must be root or use sudo" && echo "" ; exit ; fi
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cp -Rp /etc/gitea/app.ini /etc/gitea/app.ini.orig
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sed -i '/gitea-repositories/a MAX_FILES = 500' /etc/gitea/app.ini
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sed -i '/gitea-repositories/a FILE_MAX_SIZE = 200' /etc/gitea/app.ini
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sed -i 's/LEVEL = info/LEVEL = warn/' /etc/gitea/app.ini
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sed -i 's/MODE = console/MODE = file/' /etc/gitea/app.ini
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sed -i 's/DISABLE_SSH = false/DISABLE_SSH = true/' /etc/gitea/app.ini
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cat >> /etc/gitea/app.ini <<'INNER_EOF'
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[ui.admin]
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USER_PAGING_NUM = 50
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REPO_PAGING_NUM = 50
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NOTICE_PAGING_NUM = 25
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ORG_PAGING_NUM = 25
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[ui.user]
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USER_PAGING_NUM = 50
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REPO_PAGING_NUM = 50
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NOTICE_PAGING_NUM = 25
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ORG_PAGING_NUM = 25
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[ui]
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THEMES = gitea,arc-green
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EXPLORE_PAGING_DEFAULT_SORT = alphabetically
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[other]
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SHOW_FOOTER_POWERED_BY = false
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SHOW_FOOTER_VERSION = false
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SHOW_FOOTER_TEMPLATE_LOAD_TIME = false
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ENABLE_FEED = false
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INNER_EOF
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systemctl restart nginx && systemctl restart gitea
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rm -f /tmp/gitea-postinstall
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EOF
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chmod 755 /tmp/gitea-postinstall
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#
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# Gitea postinstall notice
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#
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postnotice=$(cat <<EOF
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-------------------------------------------------------------------------------------
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NEXT STEP: Go to http://$hostname and complete the initial configuration.
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-------------------------------------------------------------------------------------
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Database Name : gitea
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Database User : gitea
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Database Password: $dbpass
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-------------------------------------------------------------------------------------
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IMPORTANT: Once done from a terminal run the following command to finish up
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sudo /tmp/gitea-postinstall
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-------------------------------------------------------------------------------------
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EOF
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)
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printf '%s\n' "$postnotice"
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#
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# All done
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#
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printf "\nAll Done...\n"
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#
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# End of script
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