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shellcheck/README.md
Brandon W Maister 35d6c4c933
Add the ability to check all scripts in one shellcheck command (#17)
This is the most straightforward way to allow sourcing scripts, as shellcheck
[SC1090] only allows `source` files that are in the same invocation, I believe
unless `-x` is also specified.

[SC1090]: https://github.com/koalaman/shellcheck/wiki/SC1090
2020-06-26 21:41:45 +02:00

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# ShellCheck
_GitHub action for ShellCheck._
## Example
```yaml
on:
push:
branch:
- master
name: 'Trigger: Push action'
jobs:
shellcheck:
name: Shellcheck
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@master
- name: Run ShellCheck
uses: ludeeus/action-shellcheck@master
```
## Globally disable checks
To disable specific checks add it to a `SHELLCHECK_OPTS` env key in the job definition.
example:
```yaml
...
- name: Run ShellCheck
uses: ludeeus/action-shellcheck@master
env:
SHELLCHECK_OPTS: -e SC2059 -e SC2034 -e SC1090
```
## Ignore paths
You can use the `ignore` input to disable specific directories.
```text
sample structure:
sample/directory/with/files/toignore/test.sh
sample/directory/with/files/test.sh
```
example:
```yaml
...
- name: Run ShellCheck
uses: ludeeus/action-shellcheck@master
with:
ignore: toignore
```
This will skip `sample/directory/with/files/toignore/test.sh`
## Minimum severity of errors to consider (error, warning, info, style)
You can use the `severity` input to not fail until specified severity is met, for example fail only if there are errors in scripts but ignore styling, info and warnings.
example:
```yaml
...
- name: Run ShellCheck
uses: ludeeus/action-shellcheck@master
with:
severity: error
```
## Run shellcheck with all paths in a single invocation
If you run into SC1090/SC1091 errors you may need to tell shellcheck to check
all files at once:
```yaml
...
- name: Run ShellCheck
uses: ludeeus/action-shellcheck@master
with:
check_together: 'yes'
```
This can turn into a problem if you have enough script files to overwhelm the
maximum argv length on your system.