ci: drop cirrus #39321

Problem:
cirrus will shutdown soon, and we are running out of minutes anyway,
which causes ci failures.

Solution:
Drop cirrus config.

7 files changed, 6 insertions, 21 deletions

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index cb367b9330..b186ffc6d6 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -5,7 +5,6 @@ get_directory_property(TEST_INCLUDE_DIRS DIRECTORY ${PROJECT_SOURCE_DIR}/src/nvi
 set(TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 set(TEST_OPTIONS
       -D BUILD_DIR=${CMAKE_BINARY_DIR}
-      -D CIRRUS_CI=$ENV{CIRRUS_CI}
       -D CI_BUILD=${CI_BUILD}
       -D NVIM_PRG=$<TARGET_FILE:nvim_bin>
       -D TEST_DIR=${TEST_DIR}
diff --git a/test/functional/core/fileio_spec.lua b/test/functional/core/fileio_spec.lua
index b1a8e21762..cd23e00b03 100644
--- a/test/functional/core/fileio_spec.lua
+++ b/test/functional/core/fileio_spec.lua
@@ -30,7 +30,6 @@ local write_file = t.write_file
 local feed_command = n.feed_command
 local skip = t.skip
 local is_os = t.is_os
-local is_ci = t.is_ci
 local set_session = n.set_session
 
 describe('fileio', function()
@@ -125,7 +124,6 @@ describe('fileio', function()
   end)
 
   it('backup #9709', function()
-    skip(is_ci('cirrus'))
     clear({
       args = {
         '-i',
@@ -151,7 +149,6 @@ describe('fileio', function()
   end)
 
   it('backup with full path #11214', function()
-    skip(is_ci('cirrus'))
     clear()
     mkdir('Xtest_backupdir')
     command('set backup')
@@ -176,7 +173,6 @@ describe('fileio', function()
   end)
 
   it('backup with full path with spaces', function()
-    skip(is_ci('cirrus'))
     clear()
     mkdir('Xtest_backupdir with spaces')
     command('set backup')
@@ -201,7 +197,6 @@ describe('fileio', function()
   end)
 
   it('backup symlinked files #11349', function()
-    skip(is_ci('cirrus'))
     clear()
 
     local initial_content = 'foo'
@@ -222,7 +217,6 @@ describe('fileio', function()
   end)
 
   it('backup symlinked files in first available backupdir #11349', function()
-    skip(is_ci('cirrus'))
     clear()
 
     local initial_content = 'foo'
diff --git a/test/functional/ex_cmds/write_spec.lua b/test/functional/ex_cmds/write_spec.lua
index 38cc85fdb6..4ba3952d7e 100644
--- a/test/functional/ex_cmds/write_spec.lua
+++ b/test/functional/ex_cmds/write_spec.lua
@@ -10,7 +10,6 @@ local fn = n.fn
 local api = n.api
 local skip = t.skip
 local is_os = t.is_os
-local is_ci = t.is_ci
 local read_file = t.read_file
 
 local fname = 'Xtest-functional-ex_cmds-write'
@@ -56,7 +55,6 @@ describe(':write', function()
   end)
 
   it('&backupcopy=no replaces symlink with new file', function()
-    skip(is_ci('cirrus'))
     command('set backupcopy=no')
     write_file('Xtest_bkc_file.txt', 'content0')
     if is_os('win') then
@@ -148,7 +146,6 @@ describe(':write', function()
   end)
 
   it('errors out correctly', function()
-    skip(is_ci('cirrus'))
     command('let $HOME=""')
     eq(fn.fnamemodify('.', ':p:h'), fn.fnamemodify('.', ':p:h:~'))
     -- Message from check_overwrite
diff --git a/test/functional/plugin/man_spec.lua b/test/functional/plugin/man_spec.lua
index c3fec441a9..ec86362dfb 100644
--- a/test/functional/plugin/man_spec.lua
+++ b/test/functional/plugin/man_spec.lua
@@ -12,8 +12,6 @@ local matches = t.matches
 local tmpname = t.tmpname
 local eq = t.eq
 local pesc = vim.pesc
-local skip = t.skip
-local is_ci = t.is_ci
 
 -- Collects all names passed to find_path() after attempting ":Man foo".
 local function get_search_history(name)
@@ -247,7 +245,6 @@ describe(':Man', function()
   end)
 
   it('reports non-existent man pages for absolute paths', function()
-    skip(is_ci('cirrus'))
     local actual_file = tmpname()
     -- actual_file must be an absolute path to an existent file for us to test against it
     matches('^/.+', actual_file)
diff --git a/test/functional/terminal/ex_terminal_spec.lua b/test/functional/terminal/ex_terminal_spec.lua
index bb56a52fd6..d6ecd816e1 100644
--- a/test/functional/terminal/ex_terminal_spec.lua
+++ b/test/functional/terminal/ex_terminal_spec.lua
@@ -16,7 +16,6 @@ local ok = t.ok
 local command = n.command
 local skip = t.skip
 local is_os = t.is_os
-local is_ci = t.is_ci
 
 describe(':terminal', function()
   local screen
@@ -52,7 +51,7 @@ describe(':terminal', function()
   end)
 
   it('reads output buffer on terminal reporting #4151', function()
-    skip(is_ci('cirrus') or is_os('win'))
+    skip(is_os('win'))
     if is_os('win') then
       command(
         [[terminal powershell -NoProfile -NoLogo -Command Write-Host -NoNewline "\"$([char]27)[6n\""; Start-Sleep -Milliseconds 500 ]]
diff --git a/test/harness.lua b/test/harness.lua
index 14fa82ea10..4005e7ba56 100644
--- a/test/harness.lua
+++ b/test/harness.lua
@@ -131,7 +131,7 @@ local uv = vim.uv
 
 --- Public test harness module surface.
 --- @class test.harness
---- @field is_ci fun(name?: 'cirrus'|'github'): boolean
+--- @field is_ci fun(name?: 'github'): boolean
 --- @field on_suite_end fun(callback: fun()): fun()
 --- @field read_nvim_log fun(logfile?: string, ci_rename?: boolean): string?
 local M = {}
@@ -151,14 +151,13 @@ local function now_seconds()
 end
 
 --- Check whether the harness is running in CI, optionally for one provider.
---- @param name? 'cirrus'|'github'
+--- @param name? 'github'
 --- @return boolean
 function M.is_ci(name)
   local any_provider = (name == nil)
-  assert(any_provider or name == 'github' or name == 'cirrus')
+  assert(any_provider or name == 'github')
   local github_actions = ((any_provider or name == 'github') and nil ~= os.getenv('GITHUB_ACTIONS'))
-  local cirrus_ci = ((any_provider or name == 'cirrus') and nil ~= os.getenv('CIRRUS_CI'))
-  return github_actions or cirrus_ci
+  return github_actions
 end
 
 --- Read the last `keep` lines from a file.
diff --git a/test/testutil.lua b/test/testutil.lua
index b12f5827da..6745613ac1 100644
--- a/test/testutil.lua
+++ b/test/testutil.lua
@@ -790,7 +790,7 @@ function M.write_file(name, text, no_dedent, append)
   file:close()
 end
 
---- @param name? 'cirrus'|'github'
+--- @param name? 'github'
 --- @return boolean
 function M.is_ci(name)
   return harness.is_ci(name)