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documented parameter substitution [CI SKIP]

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This commit is contained in:
Brad Rydzewski 2015-11-05 23:28:06 -08:00
parent 2d37d66e2d
commit f36cbf54ee
2 changed files with 30 additions and 3 deletions
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19
docs/build/env.md vendored
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@ -27,11 +27,10 @@ Drone also injects `CI_` prefixed variables for compatibility with other systems
* `CI_TAG` - tag name for the current build
## Injecting
## Substitution
A subset of variables may be injected directly into the Yaml at runtime using the `$$` notation:
A subset of variables may be substituted directly into the Yaml at runtime using the `$$` notation:
* `$$COMMIT_SHORT` git sha for the current build, `--short` format
* `$$COMMIT` git sha for the current build, long format
* `$$BRANCH` git branch for the current build
* `$$REPO` repository full name (in `owner/name` format)
@ -45,3 +44,17 @@ publish:
source: ./foo.tar.gz
target: ./foo-$$BRANCH.tar.gz
```
## Operations
A subset of bash string substitution operations are emulated:
* `$$param` parameter substitution
* `$${param}` parameter substitution (same as above)
* `"$$param"` parameter substitution with escaping
* `$${param:pos}` parameter substition with substring
* `$${param:pos:len}` parameter substition with substring
* `$${param=default}` parameter substition with default
* `$${param##prefix}` parameter substition with prefix removal
* `$${param%%suffix}` parameter substition with suffix removal
* `$${param/old/new}` parameter substition with find and replace

14
docs/build/secrets.md vendored
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@ -41,6 +41,20 @@ deploy:
token: $$HEROKU_TOKEN
```
## Substitution
A subset of bash string substitution operations are emulated:
* `$$param` parameter substitution
* `$${param}` parameter substitution (same as above)
* `"$$param"` parameter substitution with escaping
* `$${param:pos}` parameter substition with substring
* `$${param:pos:len}` parameter substition with substring
* `$${param=default}` parameter substition with default
* `$${param##prefix}` parameter substition with prefix removal
* `$${param%%suffix}` parameter substition with suffix removal
* `$${param/old/new}` parameter substition with find and replace
## Pull Requests
Secret variables are **not** injected into to the build section of the `.drone.yml` if your repository is **public** and the build is a **pull request**. This is for security purposes to prevent a malicious pull request from leaking your secrets.