timestamp gitlab ci job outputs (#13605)

* timestamp gitlab ci job outputs

Based on previous work by @alvicsam in #13047.

* inline timestamp script

Some of our jobs don't check out the substrate repo.

* include .timestamp in pipelines overriding the default before_script

Still not including it in the zombienet jobs, they have their own
timestamping anyway.

* move timestamp.yml to shared pipeline repo

https://gitlab.parity.io/parity/infrastructure/ci_cd/shared

substrate/scripts/ci/gitlab/pipeline/build.yml

@@ -62,6 +62,7 @@ build-linux-substrate:
     - job: test-linux-stable
       artifacts: false
   before_script:
+    - !reference [.timestamp, before_script]
     - !reference [.job-switcher, before_script]
     - mkdir -p ./artifacts/substrate/
     - !reference [.rusty-cachier, before_script]
@@ -95,6 +96,7 @@ build-linux-substrate:
     # this variable gets overriden by "rusty-cachier environment inject", use the value as default
     CARGO_TARGET_DIR: "$CI_PROJECT_DIR/target"
   before_script:
+    - !reference [.timestamp, before_script]
     - !reference [.job-switcher, before_script]
     - mkdir -p ./artifacts/subkey
     - !reference [.rusty-cachier, before_script]
@@ -120,6 +122,7 @@ build-subkey-macos:
   # duplicating before_script & script sections from .build-subkey hidden job
   # to overwrite rusty-cachier integration as it doesn't work on macos
   before_script:
+    # skip timestamp script, the osx bash doesn't support printf %()T
     - !reference [.job-switcher, before_script]
     - mkdir -p ./artifacts/subkey
   script:

substrate/scripts/ci/gitlab/pipeline/test.yml

@@ -83,6 +83,7 @@ cargo-check-benches:
     - .collect-artifacts
     - .pipeline-stopper-artifacts
   before_script:
+    - !reference [.timestamp, before_script]
     # perform rusty-cachier operations before any further modifications to the git repo to make cargo feel cheated not so much
     - !reference [.rust-info-script, script]
     - !reference [.job-switcher, before_script]
@@ -145,7 +146,8 @@ node-bench-regression-guard:
       artifacts: true
   variables:
     CI_IMAGE: "paritytech/node-bench-regression-guard:latest"
-  before_script: [""]
+  before_script:
+    - !reference [.timestamp, before_script]
   script:
     - echo "------- IMPORTANT -------"
     - echo "node-bench-regression-guard depends on the results of a cargo-check-benches job"
@@ -419,6 +421,7 @@ cargo-check-each-crate-macos:
     - .collect-artifacts
     - .pipeline-stopper-artifacts
   before_script:
+    # skip timestamp script, the osx bash doesn't support printf %()T
     - !reference [.job-switcher, before_script]
     - !reference [.rust-info-script, script]
     - !reference [.pipeline-stopper-vars, script]