diff options
| -rw-r--r-- | doc/guix.texi | 13 | ||||
| -rw-r--r-- | guix/scripts/package.scm | 44 | ||||
| -rw-r--r-- | tests/guix-package.sh | 15 |
3 files changed, 67 insertions, 5 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index ec784ce349..a07c277e70 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -514,6 +514,19 @@ Thus, when installing MPC, the MPFR and GMP libraries also get installed in the profile; removing MPC also removes MPFR and GMP---unless they had also been explicitly installed independently. +@item --install-from-expression=@var{exp} +@itemx -e @var{exp} +Install the package @var{exp} evaluates to. + +@var{exp} must be a Scheme expression that evaluates to a +@code{<package>} object. This option is notably useful to disambiguate +between same-named variants of a package, with expressions such as +@code{(@@ (gnu packages base) guile-final)}. + +Note that this option installs the first output of the specified +package, which may be insufficient when needing a specific output of a +multiple-output package. + @item --remove=@var{package} @itemx -r @var{package} Remove @var{package}. diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm index 1f9355ff22..28ef721603 100644 --- a/guix/scripts/package.scm +++ b/guix/scripts/package.scm @@ -266,6 +266,26 @@ matching packages." (assoc-ref (derivation-outputs drv) sub-drv)))) `(,name ,out)))))) +(define (read/eval-package-expression str) + "Read and evaluate STR and return the package it refers to, or exit an +error." + (let ((exp (catch #t + (lambda () + (call-with-input-string str read)) + (lambda args + (leave (_ "failed to read expression ~s: ~s~%") + str args))))) + (let ((p (catch #t + (lambda () + (eval exp the-scm-module)) + (lambda args + (leave (_ "failed to evaluate expression `~a': ~s~%") + exp args))))) + (if (package? p) + p + (leave (_ "expression `~s' does not evaluate to a package~%") + exp))))) + ;;; ;;; Command-line options. @@ -281,6 +301,9 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n")) (display (_ " -i, --install=PACKAGE install PACKAGE")) (display (_ " + -e, --install-from-expression=EXP + install the package EXP evaluates to")) + (display (_ " -r, --remove=PACKAGE remove PACKAGE")) (display (_ " -u, --upgrade=REGEXP upgrade all the installed packages matching REGEXP")) @@ -325,6 +348,10 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n")) (option '(#\i "install") #t #f (lambda (opt name arg result) (alist-cons 'install arg result))) + (option '(#\e "install-from-expression") #t #f + (lambda (opt name arg result) + (alist-cons 'install (read/eval-package-expression arg) + result))) (option '(#\r "remove") #t #f (lambda (opt name arg result) (alist-cons 'remove arg result))) @@ -490,6 +517,19 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n")) (delete-duplicates (map input->name+path deps) same?)) + (define (package->tuple p) + (let ((path (package-derivation (%store) p)) + (deps (package-transitive-propagated-inputs p))) + `(,(package-name p) + ,(package-version p) + + ;; When given a package via `-e', install the first of its + ;; outputs (XXX). + ,(car (package-outputs p)) + + ,path + ,(canonicalize-deps deps)))) + ;; First roll back if asked to. (if (and (assoc-ref opts 'roll-back?) (not dry-run?)) (begin @@ -515,6 +555,8 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n")) (install (append upgrade (filter-map (match-lambda + (('install . (? package? p)) + #f) (('install . (? store-path?)) #f) (('install . package) @@ -530,6 +572,8 @@ Install, remove, or upgrade PACKAGES in a single transaction.\n")) install)) (install* (append (filter-map (match-lambda + (('install . (? package? p)) + (package->tuple p)) (('install . (? store-path? path)) (let-values (((name version) (package-name->name+version diff --git a/tests/guix-package.sh b/tests/guix-package.sh index cf8bc5c7e8..f84893ba0b 100644 --- a/tests/guix-package.sh +++ b/tests/guix-package.sh @@ -33,6 +33,10 @@ rm -f "$profile" trap 'rm "$profile" "$profile-"[0-9]* ; rm -rf t-home-'"$$" EXIT +# Use `-e' with a non-package expression. +if guix package --bootstrap -e +; +then false; else true; fi + guix package --bootstrap -p "$profile" -i guile-bootstrap test -L "$profile" && test -L "$profile-1-link" test -f "$profile/bin/guile" @@ -46,8 +50,9 @@ test -f "$profile/bin/guile" # Check whether we have network access. if guile -c '(getaddrinfo "www.gnu.org" "80" AI_NUMERICSERV)' 2> /dev/null then - boot_make="`guix build -e '(@@ (gnu packages base) gnu-make-boot0)'`" - guix package --bootstrap -p "$profile" -i "$boot_make" + boot_make="(@@ (gnu packages base) gnu-make-boot0)" + boot_make_drv="`guix build -e "$boot_make"`" + guix package --bootstrap -p "$profile" -i "$boot_make_drv" test -L "$profile-2-link" test -f "$profile/bin/make" && test -f "$profile/bin/guile" @@ -94,7 +99,7 @@ then done # Reinstall after roll-back to the empty profile. - guix package --bootstrap -p "$profile" -i "$boot_make" + guix package --bootstrap -p "$profile" -e "$boot_make" test "`readlink_base "$profile"`" = "$profile-1-link" test -x "$profile/bin/guile" && ! test -x "$profile/bin/make" @@ -104,7 +109,7 @@ then test -x "$profile/bin/guile" && ! test -x "$profile/bin/make" # Install Make. - guix package --bootstrap -p "$profile" -i "$boot_make" + guix package --bootstrap -p "$profile" -e "$boot_make" test "`readlink_base "$profile"`" = "$profile-2-link" test -x "$profile/bin/guile" && test -x "$profile/bin/make" @@ -145,7 +150,7 @@ test -f "$HOME/.guix-profile/bin/guile" if guile -c '(getaddrinfo "www.gnu.org" "80" AI_NUMERICSERV)' 2> /dev/null then - guix package --bootstrap -i "$boot_make" + guix package --bootstrap -e "$boot_make" test -f "$HOME/.guix-profile/bin/make" first_environment="`cd $HOME/.guix-profile ; pwd`" |