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55 lines
2.4 KiB
Markdown
55 lines
2.4 KiB
Markdown
With [Repology](https://repology.org/) you can look up package versions from many package repositories.
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You can combine Repology with [regex managers](../../manager/regex/index.md) to update dependencies which are not supported by Renovate.
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The `packageName` field should be constructed using the repository identifier and the actual package name separated by a slash.
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For example: `alpine_3_12/gcc` would look for a binary (or source package) called `gcc` within the `alpine_3_12` repository.
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A [list of all supported repositories](https://repology.org/repositories/statistics) can be found on the Repology homepage.
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To find the correct identifier, select the repository you want and copy the identifier in the URL: `https://repology.org/repository/<identifier>`.
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For example, the `Alpine Linux 3.12` repository has this URL: `https://repology.org/repository/alpine_3_12` and has this repository identifier: `alpine_3_12`.
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**Usage Example**
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Say you're using system packages in a Dockerfile and want to update them with Repology.
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With the Repology datasource you can "pin" each dependency, and get automatic updates.
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First you would set a custom manager in your `renovate.json` file for `Dockerfile`:
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```json
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{
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"customManagers": [
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{
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"customType": "regex",
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"fileMatch": ["^Dockerfile$"],
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"matchStrings": [
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"#\\s*renovate:\\s*datasource=(?<datasource>.*?) depName=(?<depName>.*?)( versioning=(?<versioning>.*?))?\\sENV .*?_VERSION=\"(?<currentValue>.*)\"\\s"
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],
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"versioningTemplate": "{{#if versioning}}{{{versioning}}}{{else}}semver{{/if}}"
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}
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]
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}
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```
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Then you would put comments in your Dockerfile, to tell Renovate where to find the updates:
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```dockerfile
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FROM alpine:3.12.0@sha256:a15790640a6690aa1730c38cf0a440e2aa44aaca9b0e8931a9f2b0d7cc90fd65
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# renovate: datasource=repology depName=alpine_3_12/gcc versioning=loose
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ENV GCC_VERSION="9.3.0-r2"
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# renovate: datasource=repology depName=alpine_3_12/musl-dev versioning=loose
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ENV MUSL_DEV_VERSION="1.1.24-r8"
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RUN apk add --no-cache \
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gcc="${GCC_VERSION}" \
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musl-dev="${MUSL_DEV_VERSION}"
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```
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When the operating system package for `gcc` of `Alpine Linux 3.12` is updated, Renovate updates the environment variable.
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<!-- prettier-ignore -->
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!!! tip
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We recommend you try `loose` or `deb` versioning for distribution packages first.
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This is because the version number usually doesn't match Renovate's default `semver-coerced` specification.
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