ci: add a "all" template to easily control "when" test run

When debugging some job (usually windows one) it is handy to have a way to pass
all other jobs to manual execution.

We add a "root" template to control just that.

Differential Revision: https://phab.mercurial-scm.org/D11276

contrib/heptapod-ci.yml

@@ -10,7 +10,11 b' variables:'
     HG_CI_IMAGE_TAG: "latest"
     TEST_HGTESTS_ALLOW_NETIO: "0"
 
+.all_template: &all
+  when: always
+
 .runtests_template: &runtests
+    <<: *all
     stage: tests
     # The runner made a clone as root.
     # We make a new clone owned by user used to run the step.
@@ -38,6 +42,7 b' checks-py3:'
         PYTHON: python3
 
 rust-cargo-test-py2: &rust_cargo_test
+    <<: *all
     stage: tests
     script:
         - echo "python used, $PYTHON"
@@ -50,6 +55,7 b' rust-cargo-test-py3:'
         PYTHON: python3
 
 phabricator-refresh:
+    <<: *all
     stage: phabricator
     variables:
       DEFAULT_COMMENT: ":white_check_mark: refresh by Heptapod after a successful CI run (:octopus: :green_heart:)"
@@ -145,6 +151,7 b' check-pytype-py3:'
 # run-tests.py- it is needed to make run-tests.py generate a `python3` script
 # that satisfies the various shebang lines and delegates to `py -3`.
 .window_runtests_template: &windows_runtests
+    <<: *all
     stage: tests
     before_script:
       - C:/MinGW/msys/1.0/bin/sh.exe --login -c 'cd "$OLDPWD" && ls -1 tests/test-check-*.* > C:/Temp/check-tests.txt'