fix fish of centos 8

.gitlab-ci.yml

@@ -10,7 +10,7 @@ before_script:
   - ssh-keygen -q -t rsa -N '' -f ~/.ssh/id_rsa <<<y 2>&1 >/dev/null
   - cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
   - pip3 install -U pip -i https://mirrors.aliyun.com/pypi/simple/
-  - pip install -U ansible -i https://mirrors.aliyun.com/pypi/simple/
+  - pip install -U ansible==2.9 -i https://mirrors.aliyun.com/pypi/simple/
   - ansible --version
   - wget -O - https://minio.mycard.moe:9000/nanahira/mitogen-0.2.9.tar.gz | tar zxvf -
   - cp tests/ansible.cfg .

tasks/dnf.yml

@@ -3,10 +3,19 @@
   dnf:
     name: epel-release
   when: ansible_distribution != 'Fedora'
+- name: fish yum repo
+  become: true
+  yum_repository:
+    name: fish
+    description: fish
+    baseurl: 'https://download.opensuse.org/repositories/shells:/fish:/release:/3/CentOS_8/'
+    ip_resolve: 'IPv4'
+    gpgkey: 'https://download.opensuse.org/repositories/shells:/fish:/release:/3/CentOS_8/repodata/repomd.xml.key'
+  when: ansible_os_family == "RedHat" and ansible_distribution_major_version|int == 8
 - name: dnf
   become: true
   dnf:
-    name: curl,wget,git,vim,sudo,byobu,iftop,iotop,gcc,gcc-c++,make,autoconf,p7zip,p7zip-plugins,python3-pip,python3-devel,tcpdump,rsync,htop,mtr,net-tools,ctags,astyle,xclip,traceroute,tar,unzip,nmap,python3-libselinux,mosh,subversion,haveged,nfs-utils,ipset # nfs-common,fish
+    name: curl,wget,git,vim,sudo,byobu,iftop,iotop,gcc,gcc-c++,make,autoconf,p7zip,p7zip-plugins,python3-pip,python3-devel,tcpdump,rsync,htop,mtr,net-tools,ctags,astyle,xclip,traceroute,tar,unzip,nmap,python3-libselinux,mosh,subversion,haveged,nfs-utils,ipset,fish # nfs-common,fish
     update_cache: yes
 - name: Fedora packages
   become: true

tasks/main.yml

@@ -43,7 +43,7 @@
   when: install_docker
 - name: fish
   include_tasks: fish.yml
-  when: customization and ansible_os_family == 'Debian' or ansible_distribution == 'Fedora' # RedHat has too many problems on fish, so aborted
+  when: customization and (ansible_os_family == 'Debian' or ansible_distribution == 'Fedora' or ansible_os_family == 'RedHat' and ansible_distribution_major_version|int == 8)
 - name: customize
   include_tasks: '{{item}}.yml'
   with_items: