Hi,

On Thu, Sep 12, 2024 at 05:21:43AM +0000, Bertrand Drouvot wrote:
> Hi,
> 
> On Wed, Sep 11, 2024 at 04:39:57PM +0300, Nazir Bilal Yavuz wrote:
> > Hi,
> > 
> > On Wed, 11 Sept 2024 at 15:36, Bertrand Drouvot
> > <bertranddrouvot...@gmail.com> wrote:
> > >
> > > Hi hackers,
> > >
> > > While working on a new pg_logicalinspect module ([1]), I reached a point 
> > > where
> > > all the CI tests were green except the compiler warnings one. Then, to 
> > > save time
> > > addressing the issue, I modified the .cirrus.tasks.yml file to $SUBJECT.
> > >
> > > I think this could be useful for others too, so please find attached this 
> > > tiny
> > > patch.
> > 
> > +1 for this. I encountered the same issue before.
> 
> Thanks for the feedback!
> 
> > 
> > > Note that the patch does not add an extra "ci-task-only", but for 
> > > simplicity it
> > > it renames ci-os-only to ci-task-only.
> > 
> > I think this change makes sense. I gave a quick try to your patch with
> > ci-task-only: ["", "linux", "compilerwarnings"] and it worked as
> > expected.
> 
> And for the testing.

Mandatory rebase attached.

Regards,

-- 
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com
>From 504181905666fdada111c51ff2b682a86f88da5e Mon Sep 17 00:00:00 2001
From: Bertrand Drouvot <bertranddrouvot...@gmail.com>
Date: Wed, 11 Sep 2024 11:01:41 +0000
Subject: [PATCH v2] Allow CI to only run the compiler warnings task

That could be useful to only run the CI compiler warnings task when addressing
compiler warnings issues.

Renaming ci-os-only to ci-task-only and adding filtering for the "compilerwarnings"
task.
---
 .cirrus.tasks.yml   | 20 ++++++++++----------
 src/tools/ci/README |  7 ++++---
 2 files changed, 14 insertions(+), 13 deletions(-)
  19.6% src/tools/ci/

diff --git a/.cirrus.tasks.yml b/.cirrus.tasks.yml
index 5849cbb839a..5aac99e2666 100644
--- a/.cirrus.tasks.yml
+++ b/.cirrus.tasks.yml
@@ -72,7 +72,7 @@ task:
   # push-wait-for-ci cycle time a bit when debugging operating system specific
   # failures. Uses skip instead of only_if, as cirrus otherwise warns about
   # only_if conditions not matching.
-  skip: $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-os-only:.*'
+  skip: $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-task-only:.*'
 
   env:
     CPUS: 4
@@ -167,7 +167,7 @@ task:
   <<: *freebsd_task_template
 
   depends_on: SanityCheck
-  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-os-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-os-only:[^\n]*freebsd.*'
+  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-task-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-task-only:[^\n]*freebsd.*'
 
   sysinfo_script: |
     id
@@ -257,7 +257,7 @@ task:
 
   matrix:
     - name: NetBSD - Meson
-      only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-os-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-os-only:[^\n]*netbsd.*'
+      only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-task-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-task-only:[^\n]*netbsd.*'
       env:
         OS_NAME: netbsd
         IMAGE_FAMILY: pg-ci-netbsd-postgres
@@ -274,7 +274,7 @@ task:
       <<: *netbsd_task_template
 
     - name: OpenBSD - Meson
-      only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-os-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-os-only:[^\n]*openbsd.*'
+      only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-task-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-task-only:[^\n]*openbsd.*'
       env:
         OS_NAME: openbsd
         IMAGE_FAMILY: pg-ci-openbsd-postgres
@@ -414,7 +414,7 @@ task:
   <<: *linux_task_template
 
   depends_on: SanityCheck
-  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-os-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-os-only:[^\n]*linux.*'
+  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-task-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-task-only:[^\n]*linux.*'
 
   ccache_cache:
     folder: ${CCACHE_DIR}
@@ -598,7 +598,7 @@ task:
   <<: *macos_task_template
 
   depends_on: SanityCheck
-  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-os-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-os-only:[^\n]*(macos|darwin|osx).*'
+  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-task-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-task-only:[^\n]*(macos|darwin|osx).*'
 
   sysinfo_script: |
     id
@@ -704,7 +704,7 @@ task:
   <<: *windows_task_template
 
   depends_on: SanityCheck
-  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-os-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-os-only:[^\n]*windows.*'
+  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-task-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-task-only:[^\n]*windows.*'
 
   setup_additional_packages_script: |
     REM choco install -y --no-progress ...
@@ -742,8 +742,8 @@ task:
   # due to resource constraints we don't run this task by default for now
   trigger_type: manual
   # worth using only_if despite being manual, otherwise this task will show up
-  # when e.g. ci-os-only: linux is used.
-  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-os-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-os-only:[^\n]*mingw.*'
+  # when e.g. ci-task-only: linux is used.
+  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-task-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-task-only:[^\n]*mingw.*'
   # otherwise it'll be sorted before other tasks
   depends_on: SanityCheck
 
@@ -802,7 +802,7 @@ task:
   # use always: to continue after failures. Task that did not run count as a
   # success, so we need to recheck SanityChecks's condition here ...
   depends_on: SanityCheck
-  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-os-only:.*'
+  only_if: $CIRRUS_CHANGE_MESSAGE !=~ '.*\nci-task-only:.*' || $CIRRUS_CHANGE_MESSAGE =~ '.*\nci-task-only:[^\n]*compilerwarnings.*'
 
   env:
     CPUS: 4
diff --git a/src/tools/ci/README b/src/tools/ci/README
index 12c1e7c308f..264e36ca6c6 100644
--- a/src/tools/ci/README
+++ b/src/tools/ci/README
@@ -61,10 +61,11 @@ Controlling CI via commit messages
 The behavior of CI can be controlled by special content in commit
 messages. Currently the following controls are available:
 
-- ci-os-only: {(freebsd|linux|macos|mingw|netbsd|openbsd|windows)}
+- ci-task-only: {(freebsd|linux|macos|mingw|netbsd|openbsd|windows|compilerwarnings)}
 
-  Only runs CI on operating systems specified. This can be useful when
-  addressing portability issues affecting only a subset of platforms.
+  Only runs CI on operating systems specified or only runs compiler warnings
+  checks. This can be useful when addressing portability issues affecting only a
+  subset of platforms or when addressing compiler warnings issues.
 
 
 Using custom compute resources for CI
-- 
2.34.1

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