From bc4cf1423799d37642a6da98b41ea2aca957d69c Mon Sep 17 00:00:00 2001
From: Tim Wojtulewicz <tim@corelight.com>
Date: Wed, 28 May 2025 14:29:13 -0700
Subject: [PATCH] CI: Add PR label for skipping all CI jobs

---
 .cirrus.yml                         | 12 +++++++++---
 .github/workflows/generate-docs.yml |  2 +-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/.cirrus.yml b/.cirrus.yml
index 52cc32d730..6d81f20090 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -68,13 +68,13 @@ skip_task_on_pr: &SKIP_TASK_ON_PR
   # Skip this task on PRs if it does not have the CI: Full label,
   # it continues to run for direct pushes to master/release.
   skip: >
-    ! ( $CIRRUS_PR == '' || $CIRRUS_PR_LABELS =~ '.*CI: Full.*' )
+    ( ! ($CIRRUS_PR == '' || $CIRRUS_PR_LABELS =~ '.*CI: Full.*') || $CIRRUS_PR_LABELS =~ '.*CI: Skip All' )
 
 skip_cluster_test_on_pr: &SKIP_CLUSTER_TEST_ON_PR
   # Skip this task on PRs if it does not have the CI: Full label,
   # it continues to run for direct pushes to master/release.
   skip: >
-    ! ( $CIRRUS_PR == '' || $CIRRUS_PR_LABELS =~ '.*CI: (Full|Cluster Test).*')
+    ( ! ($CIRRUS_PR == '' || $CIRRUS_PR_LABELS =~ '.*CI: (Full|Cluster Test).*') || $CIRRUS_PR_LABELS =~ '.*CI: Skip All' )
 
 zam_skip_task_on_pr: &ZAM_SKIP_TASK_ON_PR
   # Skip this task on PRs unless it has the "CI: Full" or "CI: ZAM" label
@@ -82,7 +82,7 @@ zam_skip_task_on_pr: &ZAM_SKIP_TASK_ON_PR
   # It continues to run for direct pushes to master/release, as
   # CIRRUS_PR will be empty.
   skip: >
-    ! ( $CIRRUS_PR == '' || $CIRRUS_PR_LABELS =~ '.*CI: (Full|ZAM).*' || changesInclude('src/script_opt/**') )
+    ( ! ($CIRRUS_PR == '' || $CIRRUS_PR_LABELS =~ '.*CI: (Full|ZAM).*' || changesInclude('src/script_opt/**')) || $CIRRUS_PR_LABELS =~ '.*CI: Skip All' )
 
 benchmark_only_if_template: &BENCHMARK_ONLY_IF_TEMPLATE
   # only_if condition for cron-triggered benchmarking tests.
@@ -136,6 +136,10 @@ ci_template: &CI_TEMPLATE
       # Evit some of the cached build artifacts not used in this build.
       CCACHE_MAXSIZE=${ZEEK_CCACHE_PRUNE_SIZE} ccache -c
 
+  # Always skip all tasks on a PR if the "CI: Skip All" label is applied.
+  skip: >
+    $CIRRUS_PR != '' && $CIRRUS_PR_LABELS =~ '.*CI: Skip All.*'
+
 env:
   CIRRUS_WORKING_DIR: /zeek
   ZEEK_CI_CPUS: *CPUS
@@ -532,6 +536,8 @@ windows_task:
     # Give verbose error output on a test failure.
     CTEST_OUTPUT_ON_FAILURE: 1
   << : *BUILDS_ONLY_IF_TEMPLATE
+  skip: >
+    $CIRRUS_PR != '' && $CIRRUS_PR_LABELS =~ '.*CI: Skip All.*'
 
 
 # Container images
diff --git a/.github/workflows/generate-docs.yml b/.github/workflows/generate-docs.yml
index b822ca8f5a..af58b61e3f 100644
--- a/.github/workflows/generate-docs.yml
+++ b/.github/workflows/generate-docs.yml
@@ -16,7 +16,7 @@ jobs:
   generate:
     permissions:
       contents: write  # for Git to git push
-    if: github.repository == 'zeek/zeek'
+    if: "github.repository == 'zeek/zeek' && contains(github.event.pull_request.labels.*.name, 'CI: Skip All') == false"
     runs-on: ubuntu-24.04
 
     steps: