CI: Remove Cirrus CI and Coverity Scan

Cirrus CI shut down on 2026-06-01, so its badge and .cirrus.yml no longer
work. The Coverity Scan project for Vim is also gone (the badge and project
page return 404). Remove both badges and their related configuration.

closes: #20431

Signed-off-by: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

.cirrus.yml

@@ -1,31 +0,0 @@
-env:
-  CIRRUS_CLONE_DEPTH: 3
-  FEATURES: huge
-
-freebsd_task:
-  name: FreeBSD
-  matrix:
-    - name: FreeBSD 15.0
-      freebsd_instance:
-        image_family: freebsd-15-0-amd64-ufs
-  timeout_in: 20m
-  install_script:
-    - pkg install -y gettext diffutils
-  build_script:
-    - NPROC=$(getconf _NPROCESSORS_ONLN)
-    - ./configure --with-features=${FEATURES}
-    - make -j${NPROC}
-  test_script:
-    - src/vim --version
-      # run tests as user "cirrus" instead of root
-    - pw useradd cirrus -m
-    - chown -R cirrus:cirrus .
-    - sudo -u cirrus make test
-  on_failure:
-    test_artifacts:
-      name: "Cirrus-${CIRRUS_BUILD_ID}-freebsd-failed-tests"
-      path: |
-        runtime/indent/testdir/*.fail
-        runtime/syntax/testdir/failed/*
-        src/testdir/failed/*
-      type: application/octet-stream

.github/labeler.yml

@@ -4,7 +4,6 @@ CI:
   - all:
     - changed-files:
       - any-glob-to-any-file:
-        - '.cirrus.yml'
         - '.github/dependabot.yml'
         - '.github/labeler.yml'
         - '.github/workflows/*'

.github/workflows/coverity.yml

@@ -1,85 +0,0 @@
-name: Coverity
-on:
-  schedule:
-    - cron: '42 0 * * *'  # Run once per day, to avoid Coverity's submission limits
-  workflow_dispatch:
-
-permissions:
-  contents: read # to fetch code (actions/checkout)
-
-jobs:
-  scan:
-    runs-on: ubuntu-24.04
-
-    env:
-      CC: gcc
-      DEBIAN_FRONTEND: noninteractive
-      TOKEN: ${{ secrets.COVERITY_SCAN_TOKEN }}
-
-    steps:
-      - name: Checkout repository from github
-        if: env.TOKEN
-        uses: actions/checkout@v6.0.2
-
-      - name: Download Coverity
-        if: env.TOKEN
-        run: |
-          wget -q https://scan.coverity.com/download/cxx/linux64 --post-data "token=$TOKEN&project=vim" -O coverity_tool.tgz
-          mkdir cov-scan
-          tar ax -f coverity_tool.tgz --strip-components=1 -C cov-scan
-
-      - name: Install packages
-        if: env.TOKEN
-        run: |
-          sudo apt-get update && sudo apt-get install -y \
-            autoconf \
-            gettext \
-            libcanberra-dev \
-            libperl-dev \
-            python3-dev \
-            liblua5.4-dev \
-            lua5.4 \
-            ruby-dev \
-            tcl-dev \
-            libgtk2.0-dev \
-            desktop-file-utils \
-            libtool-bin \
-            libsodium-dev
-
-      - name: Set up environment
-        if: env.TOKEN
-        run: |
-          echo "$(pwd)/cov-scan/bin" >> $GITHUB_PATH
-          (
-          echo "NPROC=$(getconf _NPROCESSORS_ONLN)"
-          echo "CONFOPT=--enable-perlinterp --enable-python3interp --enable-rubyinterp --enable-luainterp --enable-tclinterp"
-          ) >> $GITHUB_ENV
-
-      - name: Configure
-        if: env.TOKEN
-        run: |
-          ./configure --with-features=huge ${CONFOPT} --enable-fail-if-missing
-          # Append various warning flags to CFLAGS.
-          sed -i -f ci/config.mk.sed src/auto/config.mk
-          sed -i -f ci/config.mk.${CC}.sed src/auto/config.mk
-          # -O2 gives false warning and turns it into an error:
-          # warning: function may return address of local variable [-Wreturn-local-addr]
-          sed -i 's/-O2 \?//' src/auto/config.mk
-
-      - name: Build/scan vim
-        if: env.TOKEN
-        run: |
-          cov-build --dir cov-int make -j${NPROC}
-
-      - name: Submit results
-        if: env.TOKEN
-        run: |
-          tar zcf cov-scan.tgz cov-int
-          curl --form token=$TOKEN \
-            --form email=$EMAIL \
-            --form file=@cov-scan.tgz \
-            --form version="$(git rev-parse HEAD)" \
-            --form description="Automatic GHA scan" \
-            'https://scan.coverity.com/builds?project=vim'
-        env:
-          EMAIL: ${{ secrets.COVERITY_SCAN_EMAIL }}

Filelist

@@ -3,7 +3,6 @@
 
 # Source files for all source archives.
 SRC_ALL =	\
-		.cirrus.yml \
 		.gitattributes \
 		.git-blame-ignore-revs \
 		.github/MAINTAINERS \
@@ -15,7 +14,6 @@ SRC_ALL =	\
 		.github/workflows/ci-windows.yml \
 		.github/workflows/ci.yml \
 		.github/workflows/codeql-analysis.yml \
-		.github/workflows/coverity.yml \
 		.github/workflows/link-check.yml \
 		.github/actions/build_vim_on_linux/action.yml \
 		.github/actions/test_artifacts/action.yml \

README.md

@@ -1,9 +1,7 @@
 # [![Vim The editor](https://github.com/vim/vim/raw/master/runtime/vimlogo.gif)](https://www.vim.org)
 
 [![Github Build status](https://github.com/vim/vim/workflows/GitHub%20CI/badge.svg)](https://github.com/vim/vim/actions?query=workflow%3A%22GitHub+CI%22)
-[![Cirrus Build Status](https://api.cirrus-ci.com/github/vim/vim.svg)](https://cirrus-ci.com/github/vim/vim)
 [![Coverage Status](https://codecov.io/gh/vim/vim/coverage.svg?branch=master)](https://codecov.io/gh/vim/vim?branch=master)
-[![Coverity Scan](https://scan.coverity.com/projects/241/badge.svg)](https://scan.coverity.com/projects/vim)
 [![Debian CI](https://badges.debian.net/badges/debian/testing/vim/version.svg)](https://buildd.debian.org/vim)
 [![Packages](https://repology.org/badge/tiny-repos/vim.svg)](https://repology.org/metapackage/vim)
 [![Fossies codespell report](https://fossies.org/linux/test/vim-master.tar.gz/codespell.svg)](https://fossies.org/linux/test/vim-master.tar.gz/codespell.html)

ci/lychee.toml

@@ -26,7 +26,6 @@ exclude = [
   '^file://.*',
   '^https?://(www\.)?badges\.debian\.net/.*$',
   '^https?://(www\.)?repology\.org/.*$',
-  '^https?://scan\.coverity\.com/.*$',
   '^https?://(www\.)?img\.shields\.io/.*$',
   '^https?://(www\.)?fossies\.org/.*$',
   '^https?://(www\.)?adobe\.com.*$',

runtime/doc/todo.txt

@@ -1,4 +1,4 @@
-*todo.txt*	For Vim version 9.2.  Last change: 2026 Apr 29
+*todo.txt*	For Vim version 9.2.  Last change: 2026 Jun 12
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1999,9 +1999,6 @@ Dominique can't reproduce it.
 ":function f(x) keepjumps" creates a function where every command is executed
 like it has ":keepjumps" before it.
 
-Coverity: Check if there are new reported defects:
-https://scan.coverity.com/projects/241
-
 Problem with editing file in binary mode. (Ingo Krabbe, 2009 Oct 8)
 
 Display error when 'tabline' that includes a file name with double-width