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123 lines
3.5 KiB
Markdown
123 lines
3.5 KiB
Markdown
# Chezmoi
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A multi-machine dotfile manager, written in Go.
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## TL;DR
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```shell
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# initialize chezmoi
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chezmoi init
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chezmoi init https://github.com/username/dotfiles.git
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# initialize, checkout and apply
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chezmoi init --apply --verbose https://github.com/username/dotfiles.git
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# add a file
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chezmoi add .gitconfig
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chezmoi add --follow --template .vimrc # follow symlinks, add as template
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chezmoi add --encrypt .ssh/id_ed25519 # add encrypted
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# edit a file
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# the file needs to be added first
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chezmoi edit .tmux.conf
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# check what files would change during an apply
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chezmoi apply --dry-run --verbose
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# check what contents would change
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chezmoi diff
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# apply changes
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chezmoi apply
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# show the full list of variables
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# includes custom data from the configuration file
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chezmoi data
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# test a template
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chezmoi execute-template < .local/share/chezmoi/dot_gitconfig.tmpl
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chezmoi execute-template --init --promptString email=me@home.org < ~/.local/share/chezmoi/.chezmoi.yaml.tmpl
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# use git on chezmoi's data storage
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chezmoi git add -- .
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chezmoi git commit -- --message "commit message"
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chezmoi git pull -- --rebase
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chezmoi git push -- --set-upstream origin main
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# fetch the latest changes from a remote repository
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chezmoi update
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```
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## Save the current data to a remote repository
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```shell
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$ chezmoi cd
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chezmoi $> git remote add origin https://github.com/username/dotfiles.git
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chezmoi $> git push -u origin main
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chezmoi $> exit
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$
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```
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## Gotchas
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- templating uses the [Go text/template] library
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- due to a feature of a library used by chezmoi, all custom variable names in the configuration file are converted to lowercase; see the [custom data fields appear as all lowercase strings] GitHub issue for more information.
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```toml
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# configuration file
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[data]
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AwesomeCustomField = "my Awesome custom Value"
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normallookingcustomfield = "normalLookingValue"
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```
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```plaintext
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map[awesomecustomfield:my Awesome custom Value chezmoi:… normallookingcustomfield:normalLookingValue]
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```
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## Snippets
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```golang
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{{- /* Overwrite settings from the host-specific configuration files, if existing. */}}
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{{- $hostConfigFiles := list
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(print ".chezmoi_" .chezmoi.hostname ".yaml") }}
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{{- range $f := $hostConfigFiles }}
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{{- if stat (joinPath $.chezmoi.sourceDir $f) }}
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{{- $hostConfig := dict }}
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{{- $hostConfig = include $f | fromYaml }}
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{{- $config = mergeOverwrite $config $hostConfig }}
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{{- end }}
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{{- end }}
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{{- $hostEncryptedConfigFiles := list
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(print "encrypted_chezmoi_" .chezmoi.hostname ".yaml" (dig "age" "suffix" ".age" .))
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(print "encrypted_chezmoi_" .chezmoi.hostname ".yaml" (dig "gpg" "suffix" ".asc" .)) }}
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{{- /* A value for .encryption *must* be set *before execution* to be able to decrypt values. */}}
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{{- /* Ignore this step if .encryption is not set. */}}
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{{- if hasKey . "encryption" }}
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{{- range $f := $hostEncryptedConfigFiles }}
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{{- if stat (joinPath $.chezmoi.sourceDir $f) }}
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{{- $hostConfig := dict }}
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{{- $hostConfig = include $f | decrypt | fromYaml }}
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{{- $config = mergeOverwrite $config $hostConfig }}
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{{- end }}
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{{- end }}
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{{- end }}
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```
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## Further readings
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- Chezmoi [user guide]
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- [Go text/template]
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- [Sprig]
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- [cheat.sh]
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[user guide]: https://www.chezmoi.io/user-guide/setup/
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[go text/template]: https://pkg.go.dev/text/template
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[sprig]: https://masterminds.github.io/sprig/
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[custom data fields appear as all lowercase strings]: https://github.com/twpayne/chezmoi/issues/463
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[cheat.sh]: https://cheat.sh/chezmoi
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