mirror of
https://github.com/gohugoio/hugo.git
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73 lines
3.1 KiB
Markdown
73 lines
3.1 KiB
Markdown
---
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title: Git variables
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linkTitle: Git variables
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description: Get the last Git revision information for every content file.
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categories: [variables and parameters]
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keywords: [git]
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menu:
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docs:
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parent: variables
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weight: 70
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weight: 70
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aliases: [/extras/gitinfo/]
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---
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{{% note %}}
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Hugo's Git integrations should be fairly performant but *can* increase your build time. This will depend on the size of your Git history.
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{{% /note %}}
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## `.GitInfo` prerequisites
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1. The Hugo site must be in a Git-enabled directory.
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2. The Git executable must be installed and in your system `PATH`.
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3. The `.GitInfo` feature must be enabled in your Hugo project by passing `--enableGitInfo` flag on the command line or by setting `enableGitInfo` to `true` in your [site's configuration file][configuration].
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## The `.GitInfo` object
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The `GitInfo` object contains the following fields:
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.AbbreviatedHash
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: the abbreviated commit hash (e.g., `866cbcc`)
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.AuthorName
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: the author's name, respecting [`.mailmap`](https://git-scm.com/docs/gitmailmap)
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.AuthorEmail
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: the author's email address, respecting [`.mailmap`](https://git-scm.com/docs/gitmailmap)
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.AuthorDate
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: the author date
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.Hash
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: the commit hash (e.g., `866cbccdab588b9908887ffd3b4f2667e94090c3`)
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.Subject
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: commit message subject (e.g., `tpl: Add custom index function`)
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## `.Lastmod`
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If the `.GitInfo` feature is enabled, `.Lastmod` (on `Page`) is fetched from Git i.e. `.GitInfo.AuthorDate`. This behavior can be changed by adding your own [front matter configuration for dates](/getting-started/configuration/#configure-front-matter).
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[configuration]: /getting-started/configuration/
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## Hosting considerations
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On the site host, your repository must be "deep-cloned," so the returned `.GitInfo` data will be accurate. Otherwise, your site may display only data from your latest commit. Where it's not possible to configure a host's cloning depth, you must handle this through CI/CD (*e.g.*, a
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GitHub Action or GitLab CI/CD). See the following table:
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| Hosting service | Clone depth | Configurable? |
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| :-------------- | :---------- | :-----------: |
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| Cloudflare Pages | Shallow | ✔️ [^CFP] |
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| DigitalOcean App Platform | Deep | ❌ |
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| GitHub Pages | Shallow | ✔️ [^GHP] |
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| GitLab Pages | Shallow | ✔️ [^GLP] |
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| Netlify | Deep | ❌ |
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| Render | Shallow | ❌ |
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| Vercel | Shallow | ❌ |
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[^CFP]: To configure a Cloudflare Pages site for deep cloning, preface the site's normal Hugo build command with `git fetch --unshallow &&` (*e.g.*, `git fetch --unshallow && hugo`).
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[^GHP]: You can configure the GitHub Action to do a deep clone by specifying `fetch-depth: 0` in the applicable "checkout" step of your workflow file, as shown in the Hugo documentation's [example workflow file](/hosting-and-deployment/hosting-on-github/#procedure).
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[^GLP]: You can configure the GitLab Runner's clone depth [as explained in the GitLab documentation](https://docs.gitlab.com/ee/ci/large_repositories/#shallow-cloning); see also the Hugo documentation's [example workflow file](https://gohugo.io/hosting-and-deployment/hosting-on-gitlab/#configure-gitlab-cicd).
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