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fix(ci): work around gitlab's variable substitution limitations

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technofab 2025-02-21 18:24:23 +01:00
parent b4071d4171
commit 7569fcd086
2 changed files with 20 additions and 7 deletions
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2
flake.nix
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@ -14,7 +14,6 @@
flake = {}; flake = {};
perSystem = { perSystem = {
pkgs, pkgs,
inputs',
config, config,
system, system,
... ...
@ -26,6 +25,7 @@
mdformat.enable = true; mdformat.enable = true;
yamlfmt.enable = true; yamlfmt.enable = true;
}; };
settings.formatter.yamlfmt.excludes = ["templates/nix-gitlab-ci.yml"];
}; };
devenv.shells.default = { devenv.shells.default = {
containers = pkgs.lib.mkForce {}; containers = pkgs.lib.mkForce {};

25
templates/nix-gitlab-ci.yml
View file

@ -4,8 +4,8 @@ spec:
type: string type: string
description: | description: |
(empty for auto) | none | runner | cachix | attic (empty for auto) | none | runner | cachix | attic
When left empty $NIX_CI_CACHE_STRATEGY will be used, which defaults to none Sets the default strategy and will be overridden by $NIX_CI_CACHE_STRATEGY
default: "" default: "none"
cache_files: cache_files:
type: array type: array
description: | description: |
@ -19,17 +19,29 @@ stages:
variables: variables:
# which version of the image should be used # which version of the image should be used
_NIX_CI_VERSION: ${NIX_CI_VERSION} _NIX_CI_VERSION: ${NIX_CI_VERSION}
_NIX_CI_IMAGE: ${NIX_CI_IMAGE:-registry.gitlab.com/technofab/nix-gitlab-ci/nix-ci:${_NIX_CI_VERSION}} _NIX_CI_IMAGE: registry.gitlab.com/technofab/nix-gitlab-ci/nix-ci:${_NIX_CI_VERSION}
# force build the pipeline yaml # force build the pipeline yaml
_NIX_CI_FORCE_BUILD: ${NIX_CI_FORCE_BUILD} _NIX_CI_FORCE_BUILD: ${NIX_CI_FORCE_BUILD}
# disable caching on the child pipeline jobs # disable caching on the child pipeline jobs
_NIX_CI_DISABLE_CACHE: ${NIX_CI_DISABLE_CACHE} _NIX_CI_DISABLE_CACHE: ${NIX_CI_DISABLE_CACHE}
# type of cache strategy to use (none, runner, attic, cachix) # type of cache strategy to use (none, runner, attic, cachix)
_CACHE_STRATEGY_TMP: $[[ inputs.cache_strategy ]] _NIX_CI_CACHE_STRATEGY: $[[ inputs.cache_strategy ]]
_NIX_CI_CACHE_STRATEGY: ${NIX_CI_CACHE_STRATEGY:-${_CACHE_STRATEGY_TMP:-none}}
# for multiple pipelines # for multiple pipelines
_NIX_CI_PIPELINE_NAME: ${NIX_CI_PIPELINE_NAME:-${CI_PIPELINE_SOURCE:-default}} _NIX_CI_PIPELINE_NAME: ${CI_PIPELINE_SOURCE}
.env_overrides: &env_overrides
rules:
- if: $NIX_CI_IMAGE != null
variables:
_NIX_CI_IMAGE: $NIX_CI_IMAGE
- if: $NIX_CI_CACHE_STRATEGY != null
variables:
_NIX_CI_CACHE_STRATEGY: $NIX_CI_CACHE_STRATEGY
- if: $NIX_CI_PIPELINE_NAME != null
variables:
_NIX_CI_PIPELINE_NAME: $NIX_CI_PIPELINE_NAME
- when: on_success
nix-ci:build: nix-ci:build:
<<: *env_overrides
stage: build stage: build
image: $_NIX_CI_IMAGE image: $_NIX_CI_IMAGE
cache: cache:
@ -60,6 +72,7 @@ nix-ci:build:
paths: paths:
- generated-gitlab-ci.yml - generated-gitlab-ci.yml
nix-ci:trigger: nix-ci:trigger:
<<: *env_overrides
stage: trigger stage: trigger
needs: needs:
- nix-ci:build - nix-ci:build