home: services: environment-variables: Double-quote values.
Fixes <https://issues.guix.gnu.org/54469>. Reported by Maxime Devos <maximedevos@telenet.be>. * gnu/home/services.scm (environment-variable-shell-definitions): New procedure, with code formerly in 'serialize-posix-env-vars'. (environment-variables->setup-environment-script): Change "setup-environment" from 'mixed-text-file' to 'computed-file', and use 'environment-variable-shell-definitions'. * tests/guix-home.sh: Test it. * gnu/home/services/shells.scm (serialize-posix-env-vars): Delegate to 'environment-variable-shell-definitions'.
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Ludovic Courtès
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@ -46,6 +46,7 @@
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home-run-on-change-service-type
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home-provenance-service-type
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environment-variable-shell-definitions
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home-files-directory
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xdg-configuration-files-directory
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xdg-data-files-directory
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@ -169,6 +170,34 @@ packages, configuration files, activation script, and so on.")))
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configuration files that the user has declared in their
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@code{home-environment} record.")))
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(define (environment-variable-shell-definitions variables)
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"Return a gexp that evaluates to a list of POSIX shell statements defining
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VARIABLES, a list of environment variable name/value pairs. The returned code
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ensures variable values are properly quoted."
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#~(let ((shell-quote
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(lambda (value)
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;; Double-quote VALUE, leaving dollar sign as is.
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(let ((quoted (list->string
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(string-fold-right
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(lambda (chr lst)
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(case chr
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((#\" #\\)
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(append (list chr #\\) lst))
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(else (cons chr lst))))
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'()
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value))))
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(string-append "\"" quoted "\"")))))
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(string-append
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#$@(map (match-lambda
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((key . #f)
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"")
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((key . #t)
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#~(string-append "export " #$key "\n"))
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((key . value)
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#~(string-append "export " #$key "="
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(shell-quote #$value) "\n")))
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variables))))
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(define (environment-variables->setup-environment-script vars)
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"Return a file that can be sourced by a POSIX compliant shell which
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initializes the environment. The file will source the home
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@ -199,8 +228,11 @@ exported."
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`(("setup-environment"
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;; TODO: It's necessary to source ~/.guix-profile too
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;; on foreign distros
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,(apply mixed-text-file "setup-environment"
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"\
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,(computed-file "setup-environment"
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#~(call-with-output-file #$output
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(lambda (port)
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(set-port-encoding! port "UTF-8")
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(display "\
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HOME_ENVIRONMENT=$HOME/.guix-home
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GUIX_PROFILE=\"$HOME_ENVIRONMENT/profile\"
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PROFILE_FILE=\"$HOME_ENVIRONMENT/profile/etc/profile\"
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@ -227,17 +259,10 @@ case $XCURSOR_PATH in
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*) export XCURSOR_PATH=$HOME_ENVIRONMENT/profile/share/icons:$XCURSOR_PATH ;;
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esac
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"
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(append-map
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(match-lambda
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((key . #f)
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'())
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((key . #t)
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(list "export " key "\n"))
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((key . value)
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(list "export " key "=" value "\n")))
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vars)))))))
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" port)
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(display
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#$(environment-variable-shell-definitions vars)
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port)))))))))
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(define home-environment-variables-service-type
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(service-type (name 'home-environment-variables)
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@ -111,30 +111,7 @@ service type can be extended with a list of file-like objects.")))
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(define (serialize-boolean field-name val) "")
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(define (serialize-posix-env-vars field-name val)
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#~(let ((shell-quote
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(lambda (value)
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;; Double-quote VALUE, leaving dollar sign as is.
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(let ((quoted (list->string
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(string-fold-right
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(lambda (chr lst)
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(case chr
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((#\" #\\)
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(append (list chr #\\) lst))
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(else (cons chr lst))))
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'()
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value))))
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(string-append "\"" quoted "\"")))))
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(string-append
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#$@(map
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(match-lambda
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((key . #f)
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"")
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((key . #t)
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#~(string-append "export " #$key "\n"))
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((key . value)
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#~(string-append "export " #$key "="
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(shell-quote #$value) "\n")))
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val))))
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(environment-variable-shell-definitions val))
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;;;
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@ -79,6 +79,10 @@ trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT
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(guix-defaults? #t)
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(bashrc (list (local-file "dot-bashrc")))))
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(simple-service 'add-environment-variable
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home-environment-variables-service-type
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'(("TODAY" . "26 messidor")))
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(simple-service 'home-bash-service-extension-test
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home-bash-service-type
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(home-bash-extension
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@ -141,6 +145,7 @@ EOF
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# the content of bashrc-test-config.sh"
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grep -q "the content of ~/.config/test.conf" "${HOME}/.config/test.conf"
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grep '^export PS1="\$GUIX_ENVIRONMENT λ "$' "${HOME}/.bash_profile"
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( . "${HOME}/.guix-home/setup-environment"; test "$TODAY" = "26 messidor" )
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# This one should still be here.
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grep "stay around" "$HOME/.config/random-file"
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