diff options
Diffstat (limited to 'guix/build')
| -rw-r--r-- | guix/build/dub-build-system.scm | 33 | ||||
| -rw-r--r-- | guix/build/gnu-build-system.scm | 36 | ||||
| -rw-r--r-- | guix/build/gremlin.scm | 132 | ||||
| -rw-r--r-- | guix/build/haskell-build-system.scm | 63 | ||||
| -rw-r--r-- | guix/build/java-utils.scm | 10 | ||||
| -rw-r--r-- | guix/build/meson-build-system.scm | 58 | ||||
| -rw-r--r-- | guix/build/python-build-system.scm | 2 | ||||
| -rw-r--r-- | guix/build/r-build-system.scm | 2 | ||||
| -rw-r--r-- | guix/build/svn.scm | 2 | ||||
| -rw-r--r-- | guix/build/utils.scm | 8 |
10 files changed, 179 insertions, 167 deletions
diff --git a/guix/build/dub-build-system.scm b/guix/build/dub-build-system.scm index 9a72e3d544..3ab50733de 100644 --- a/guix/build/dub-build-system.scm +++ b/guix/build/dub-build-system.scm @@ -67,7 +67,8 @@ (symlink (string-append path "/lib/dub/" d-basename) (string-append vendor-dir "/" d-basename)))))))) inputs) - (zero? (system* "dub" "add-path" vendor-dir)))) + (invoke "dub" "add-path" vendor-dir) + #t)) (define (grep string file-name) "Find the first occurrence of STRING in the file named FILE-NAME. @@ -88,24 +89,22 @@ (define* (build #:key (dub-build-flags '()) #:allow-other-keys) "Build a given DUB package." - (if (or (grep* "sourceLibrary" "package.json") - (grep* "sourceLibrary" "dub.sdl") ; note: format is different! - (grep* "sourceLibrary" "dub.json")) - #t - (let ((status (zero? (apply system* `("dub" "build" ,@dub-build-flags))))) - (substitute* ".dub/dub.json" - (("\"lastUpgrade\": \"[^\"]*\"") - "\"lastUpgrade\": \"1970-01-01T00:00:00.0000000\"")) - status))) + (unless (or (grep* "sourceLibrary" "package.json") + (grep* "sourceLibrary" "dub.sdl") ; note: format is different! + (grep* "sourceLibrary" "dub.json")) + (apply invoke `("dub" "build" ,@dub-build-flags)) + (substitute* ".dub/dub.json" + (("\"lastUpgrade\": \"[^\"]*\"") + "\"lastUpgrade\": \"1970-01-01T00:00:00.0000000\""))) + #t) (define* (check #:key tests? #:allow-other-keys) - (if tests? - (let ((status (zero? (system* "dub" "test")))) - (substitute* ".dub/dub.json" - (("\"lastUpgrade\": \"[^\"]*\"") - "\"lastUpgrade\": \"1970-01-01T00:00:00.0000000\"")) - status) - #t)) + (when tests? + (invoke "dub" "test") + (substitute* ".dub/dub.json" + (("\"lastUpgrade\": \"[^\"]*\"") + "\"lastUpgrade\": \"1970-01-01T00:00:00.0000000\""))) + #t) (define* (install #:key inputs outputs #:allow-other-keys) "Install a given DUB package." diff --git a/guix/build/gnu-build-system.scm b/guix/build/gnu-build-system.scm index be5ad78b93..e5f3197b0a 100644 --- a/guix/build/gnu-build-system.scm +++ b/guix/build/gnu-build-system.scm @@ -792,26 +792,26 @@ in order. Return #t if all the PHASES succeeded, #f otherwise." ;; The trick is to #:allow-other-keys everywhere, so that each procedure in ;; PHASES can pick the keyword arguments it's interested in. - (for-each (match-lambda - ((name . proc) - (let ((start (current-time time-monotonic))) - (format #t "starting phase `~a'~%" name) - (let ((result (apply proc args)) - (end (current-time time-monotonic))) - (format #t "phase `~a' ~:[failed~;succeeded~] after ~,1f seconds~%" - name result - (elapsed-time end start)) - - ;; Issue a warning unless the result is #t. - (unless (eqv? result #t) - (format (current-error-port) "\ + (every (match-lambda + ((name . proc) + (let ((start (current-time time-monotonic))) + (format #t "starting phase `~a'~%" name) + (let ((result (apply proc args)) + (end (current-time time-monotonic))) + (format #t "phase `~a' ~:[failed~;succeeded~] after ~,1f seconds~%" + name result + (elapsed-time end start)) + + ;; Issue a warning unless the result is #t. + (unless (eqv? result #t) + (format (current-error-port) "\ ## WARNING: phase `~a' returned `~s'. Return values other than #t ## are deprecated. Please migrate this package so that its phase ## procedures report errors by raising an exception, and otherwise ## always return #t.~%" - name result)) + name result)) - ;; Dump the environment variables as a shell script, for handy debugging. - (system "export > $NIX_BUILD_TOP/environment-variables") - result)))) - phases)) + ;; Dump the environment variables as a shell script, for handy debugging. + (system "export > $NIX_BUILD_TOP/environment-variables") + result)))) + phases)) diff --git a/guix/build/gremlin.scm b/guix/build/gremlin.scm index bb019967e5..e8ea66dfb3 100644 --- a/guix/build/gremlin.scm +++ b/guix/build/gremlin.scm @@ -41,7 +41,8 @@ elf-dynamic-info-runpath expand-origin - validate-needed-in-runpath)) + validate-needed-in-runpath + strip-runpath)) ;;; Commentary: ;;; @@ -99,10 +100,16 @@ dynamic linking information." ;; } d_un; ;; } Elf64_Dyn; +(define-record-type <dynamic-entry> + (dynamic-entry type value offset) + dynamic-entry? + (type dynamic-entry-type) ;DT_* + (value dynamic-entry-value) ;string | number | ... + (offset dynamic-entry-offset)) ;integer + (define (raw-dynamic-entries elf segment) - "Return as a list of type/value pairs all the dynamic entries found in -SEGMENT, the 'PT_DYNAMIC' segment of ELF. In the result, each car is a DT_ -value, and the interpretation of the cdr depends on the type." + "Return as a list of <dynamic-entry> for the dynamic entries found in +SEGMENT, the 'PT_DYNAMIC' segment of ELF." (define start (elf-segment-offset segment)) (define bytes @@ -123,7 +130,9 @@ value, and the interpretation of the cdr depends on the type." (if (= type DT_NULL) ;finished? (reverse result) (loop (+ offset (* 2 word-size)) - (alist-cons type value result))))))) + (cons (dynamic-entry type value + (+ start offset word-size)) + result))))))) (define (vma->offset elf vma) "Convert VMA, a virtual memory address, to an offset within ELF. @@ -148,35 +157,33 @@ offset." (define (dynamic-entries elf segment) "Return all the dynamic entries found in SEGMENT, the 'PT_DYNAMIC' segment -of ELF, as a list of type/value pairs. The type is a DT_ value, and the value -may be a string or an integer depending on the entry type (for instance, the -value of DT_NEEDED entries is a string.)" +of ELF, as a list of <dynamic-entry>. The value of each entry may be a string +or an integer depending on the entry type (for instance, the value of +DT_NEEDED entries is a string.) Likewise the offset is the offset within the +string table if the type is a string." (define entries (raw-dynamic-entries elf segment)) (define string-table-offset - (any (match-lambda - ((type . value) - (and (= type DT_STRTAB) value)) - (_ #f)) + (any (lambda (entry) + (and (= (dynamic-entry-type entry) DT_STRTAB) + (dynamic-entry-value entry))) entries)) - (define (interpret-dynamic-entry type value) - (cond ((memv type (list DT_NEEDED DT_SONAME DT_RPATH DT_RUNPATH)) - (if string-table-offset - (pointer->string - (bytevector->pointer (elf-bytes elf) - (vma->offset - elf - (+ string-table-offset value)))) - value)) - (else - value))) - - (map (match-lambda - ((type . value) - (cons type (interpret-dynamic-entry type value)))) - entries)) + (define (interpret-dynamic-entry entry) + (let ((type (dynamic-entry-type entry)) + (value (dynamic-entry-value entry))) + (cond ((memv type (list DT_NEEDED DT_SONAME DT_RPATH DT_RUNPATH)) + (if string-table-offset + (let* ((offset (vma->offset elf (+ string-table-offset value))) + (value (pointer->string + (bytevector->pointer (elf-bytes elf) offset)))) + (dynamic-entry type value offset)) + (dynamic-entry type value (dynamic-entry-offset entry)))) + (else + (dynamic-entry type value (dynamic-entry-offset entry)))))) + + (map interpret-dynamic-entry entries)) ;;; @@ -200,21 +207,29 @@ value of DT_NEEDED entries is a string.)" (define (elf-dynamic-info elf) "Return dynamic-link information for ELF as an <elf-dynamic-info> object, or #f if ELF lacks dynamic-link information." + (define (matching-entry type) + (lambda (entry) + (= type (dynamic-entry-type entry)))) + (match (dynamic-link-segment elf) (#f #f) ((? elf-segment? dynamic) (let ((entries (dynamic-entries elf dynamic))) - (%elf-dynamic-info (assv-ref entries DT_SONAME) - (filter-map (match-lambda - ((type . value) - (and (= type DT_NEEDED) value)) - (_ #f)) + (%elf-dynamic-info (find (matching-entry DT_SONAME) entries) + (filter-map (lambda (entry) + (and (= (dynamic-entry-type entry) + DT_NEEDED) + (dynamic-entry-value entry))) entries) - (or (and=> (assv-ref entries DT_RPATH) - search-path->list) + (or (and=> (find (matching-entry DT_RPATH) + entries) + (compose search-path->list + dynamic-entry-value)) '()) - (or (and=> (assv-ref entries DT_RUNPATH) - search-path->list) + (or (and=> (find (matching-entry DT_RUNPATH) + entries) + (compose search-path->list + dynamic-entry-value)) '())))))) (define %libc-libraries @@ -306,4 +321,47 @@ be found in RUNPATH ~s~%" ;; (format (current-error-port) "~a is OK~%" file)) (null? not-found)))))) +(define (strip-runpath file) + "Remove from the DT_RUNPATH of FILE any entries that are not necessary +according to DT_NEEDED." + (define (minimal-runpath needed runpath) + (filter (lambda (directory) + (and (string-prefix? "/" directory) + (any (lambda (lib) + (file-exists? (string-append directory "/" lib))) + needed))) + runpath)) + + (define port + (open-file file "r+b")) + + (catch #t + (lambda () + (let* ((elf (parse-elf (get-bytevector-all port))) + (entries (dynamic-entries elf (dynamic-link-segment elf))) + (needed (filter-map (lambda (entry) + (and (= (dynamic-entry-type entry) + DT_NEEDED) + (dynamic-entry-value entry))) + entries)) + (runpath (find (lambda (entry) + (= DT_RUNPATH (dynamic-entry-type entry))) + entries)) + (old (search-path->list + (dynamic-entry-value runpath))) + (new (minimal-runpath needed old))) + (unless (equal? old new) + (format (current-error-port) + "~a: stripping RUNPATH to ~s (removed ~s)~%" + file new + (lset-difference string=? old new)) + (seek port (dynamic-entry-offset runpath) SEEK_SET) + (put-bytevector port (string->utf8 (string-join new ":"))) + (put-u8 port 0)) + (close-port port) + new)) + (lambda (key . args) + (false-if-exception (close-port port)) + (apply throw key args)))) + ;;; gremlin.scm ends here diff --git a/guix/build/haskell-build-system.scm b/guix/build/haskell-build-system.scm index be4f5b583b..23d97e6602 100644 --- a/guix/build/haskell-build-system.scm +++ b/guix/build/haskell-build-system.scm @@ -2,6 +2,8 @@ ;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch> ;;; Copyright © 2015 Eric Bavier <bavier@member.fsf.org> ;;; Copyright © 2015 Paul van der Walt <paul@denknerd.org> +;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net> +;;; Copyright © 2018 Alex Vong <alexvong1995@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -77,6 +79,7 @@ and parameters ~s~%" (doc (assoc-ref outputs "doc")) (lib (assoc-ref outputs "lib")) (bin (assoc-ref outputs "bin")) + (name-version (strip-store-file-name out)) (input-dirs (match inputs (((_ . dir) ...) dir) @@ -87,7 +90,7 @@ and parameters ~s~%" `(,(string-append "--bindir=" (or bin out) "/bin")) `(,(string-append "--docdir=" (or doc out) - "/share/doc/" (package-name-version out))) + "/share/doc/" name-version)) '("--libsubdir=$compiler/$pkg-$version") `(,(string-append "--package-db=" %tmp-db-dir)) '("--global") @@ -126,12 +129,6 @@ and parameters ~s~%" "Install a given Haskell package." (run-setuphs "copy" '())) -(define (package-name-version store-dir) - "Given a store directory STORE-DIR return 'name-version' of the package." - (let* ((base (basename store-dir))) - (string-drop base - (+ 1 (string-index base #\-))))) - (define (grep rx port) "Given a regular-expression RX including a group, read from PORT until the first match and return the content of the group." @@ -146,7 +143,7 @@ first match and return the content of the group." (define* (setup-compiler #:key system inputs outputs #:allow-other-keys) "Setup the compiler environment." (let* ((haskell (assoc-ref inputs "haskell")) - (name-version (package-name-version haskell))) + (name-version (strip-store-file-name haskell))) (cond ((string-match "ghc" name-version) (make-ghc-package-database system inputs outputs)) @@ -163,6 +160,7 @@ first match and return the content of the group." (define (make-ghc-package-database system inputs outputs) "Generate the GHC package database." (let* ((haskell (assoc-ref inputs "haskell")) + (name-version (strip-store-file-name haskell)) (input-dirs (match inputs (((_ . dir) ...) dir) @@ -170,7 +168,7 @@ first match and return the content of the group." ;; Silence 'find-files' (see 'evaluate-search-paths') (conf-dirs (with-null-error-port (search-path-as-list - `(,(string-append "lib/" (package-name-version haskell))) + `(,(string-append "lib/" name-version)) input-dirs #:pattern ".*\\.conf.d$"))) (conf-files (append-map (cut find-files <> "\\.conf$") conf-dirs))) (mkdir-p %tmp-db-dir) @@ -179,9 +177,10 @@ first match and return the content of the group." (unless (file-exists? dest) (copy-file file dest)))) conf-files) - (zero? (system* "ghc-pkg" - (string-append "--package-db=" %tmp-db-dir) - "recache")))) + (invoke "ghc-pkg" + (string-append "--package-db=" %tmp-db-dir) + "recache") + #t)) (define* (register #:key name system inputs outputs #:allow-other-keys) "Generate the compiler registration and binary package database files for a @@ -229,9 +228,10 @@ given Haskell package." (let* ((out (assoc-ref outputs "out")) (haskell (assoc-ref inputs "haskell")) + (name-verion (strip-store-file-name haskell)) (lib (string-append out "/lib")) - (config-dir (string-append lib "/" - (package-name-version haskell) + (config-dir (string-append lib + "/" name-verion "/" name ".conf.d")) (id-rx (make-regexp "^id: *(.*)$")) (config-file (string-append out "/" name ".conf")) @@ -239,32 +239,31 @@ given Haskell package." (list (string-append "--gen-pkg-config=" config-file)))) (run-setuphs "register" params) ;; The conf file is created only when there is a library to register. - (or (not (file-exists? config-file)) - (begin - (mkdir-p config-dir) - (let* ((config-file-name+id - (call-with-ascii-input-file config-file (cut grep id-rx <>)))) - (install-transitive-deps config-file %tmp-db-dir config-dir) - (rename-file config-file - (string-append config-dir "/" - config-file-name+id ".conf")) - (zero? (system* "ghc-pkg" - (string-append "--package-db=" config-dir) - "recache"))))))) + (when (file-exists? config-file) + (mkdir-p config-dir) + (let* ((config-file-name+id + (call-with-ascii-input-file config-file (cut grep id-rx <>)))) + (install-transitive-deps config-file %tmp-db-dir config-dir) + (rename-file config-file + (string-append config-dir "/" + config-file-name+id ".conf")) + (invoke "ghc-pkg" + (string-append "--package-db=" config-dir) + "recache"))) + #t)) (define* (check #:key tests? test-target #:allow-other-keys) "Run the test suite of a given Haskell package." (if tests? (run-setuphs test-target '()) - (begin - (format #t "test suite not run~%") - #t))) + (format #t "test suite not run~%")) + #t) (define* (haddock #:key outputs haddock? haddock-flags #:allow-other-keys) "Run the test suite of a given Haskell package." - (if haddock? - (run-setuphs "haddock" haddock-flags) - #t)) + (when haddock? + (run-setuphs "haddock" haddock-flags)) + #t) (define* (patch-cabal-file #:key cabal-revision #:allow-other-keys) (when cabal-revision diff --git a/guix/build/java-utils.scm b/guix/build/java-utils.scm index 128be1edeb..8200638bee 100644 --- a/guix/build/java-utils.scm +++ b/guix/build/java-utils.scm @@ -1,6 +1,7 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2016 Hartmut Goebel <h.goebel@crazy-compilers.com> ;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net> +;;; Copyright © 2018 Alex Vong <alexvong1995@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -23,12 +24,6 @@ install-jars install-javadoc)) -;; Copied from haskell-build-system.scm -(define (package-name-version store-dir) - "Given a store directory STORE-DIR return 'name-version' of the package." - (let* ((base (basename store-dir))) - (string-drop base (+ 1 (string-index base #\-))))) - (define* (ant-build-javadoc #:key (target "javadoc") (make-flags '()) #:allow-other-keys) (apply invoke `("ant" ,target ,@make-flags))) @@ -48,8 +43,9 @@ is used in case the build.xml does not include an install target." install javadocs when this is not done by the install target." (lambda* (#:key outputs #:allow-other-keys) (let* ((out (assoc-ref outputs "out")) + (name-version (strip-store-file-name out)) (docs (string-append (or (assoc-ref outputs "doc") out) - "/share/doc/" (package-name-version out) "/"))) + "/share/doc/" name-version "/"))) (mkdir-p docs) (copy-recursively apidoc-directory docs) #t))) diff --git a/guix/build/meson-build-system.scm b/guix/build/meson-build-system.scm index 80e54723c5..d0975fcab0 100644 --- a/guix/build/meson-build-system.scm +++ b/guix/build/meson-build-system.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2017 Peter Mikkelsen <petermikkelsen10@gmail.com> +;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net> ;;; Copyright © 2018 Marius Bakke <mbakke@fastmail.com> ;;; ;;; This file is part of GNU Guix. @@ -21,7 +22,6 @@ #:use-module ((guix build gnu-build-system) #:prefix gnu:) #:use-module ((guix build glib-or-gtk-build-system) #:prefix glib-or-gtk:) #:use-module (guix build utils) - #:use-module (guix build rpath) #:use-module (guix build gremlin) #:use-module (guix elf) #:use-module (ice-9 match) @@ -71,49 +71,19 @@ "1")) (if tests? (invoke "ninja" test-target) - (begin - (format #t "test suite not run~%") - #t))) + (format #t "test suite not run~%")) + #t) (define* (install #:rest args) (invoke "ninja" "install")) -(define* (fix-runpath #:key (elf-directories '("lib" "lib64" "libexec" - "bin" "sbin")) - outputs #:allow-other-keys) - "Try to make sure all ELF files in ELF-DIRECTORIES are able to find their -local dependencies in their RUNPATH, by searching for the needed libraries in -the directories of the package, and adding them to the RUNPATH if needed. -Also shrink the RUNPATH to what is needed, +(define* (shrink-runpath #:key (elf-directories '("lib" "lib64" "libexec" + "bin" "sbin")) + outputs #:allow-other-keys) + "Go through all ELF files from ELF-DIRECTORIES and shrink the RUNPATH since a lot of directories are left over from the build phase of meson, for example libraries only needed for the tests." - ;; Find the directories (if any) that contains DEP-NAME. The directories - ;; searched are the ones that ELF-FILES are in. - (define (find-deps dep-name elf-files) - (map dirname (filter (lambda (file) - (string=? dep-name (basename file))) - elf-files))) - - ;; Return a list of libraries that FILE needs. - (define (file-needed file) - (let* ((elf (call-with-input-file file - (compose parse-elf get-bytevector-all))) - (dyninfo (elf-dynamic-info elf))) - (if dyninfo - (elf-dynamic-info-needed dyninfo) - '()))) - - - ;; If FILE needs any libs that are part of ELF-FILES, the RUNPATH - ;; is modified accordingly. - (define (handle-file file elf-files) - (let* ((dep-dirs (concatenate (map (lambda (dep-name) - (find-deps dep-name elf-files)) - (file-needed file))))) - (unless (null? dep-dirs) - (augment-rpath file (string-join dep-dirs ":"))))) - (define handle-output (match-lambda ((output . directory) @@ -129,10 +99,7 @@ for example libraries only needed for the tests." (elf-list (concatenate (map (lambda (dir) (find-files dir elf-pred)) existing-elf-dirs)))) - (for-each (lambda (elf-file) - (invoke "patchelf" "--shrink-rpath" elf-file) - (handle-file elf-file elf-list)) - elf-list))))) + (for-each strip-runpath elf-list))))) (for-each handle-output outputs) #t) @@ -144,13 +111,8 @@ for example libraries only needed for the tests." (replace 'configure configure) (replace 'build build) (replace 'check check) - ;; XXX: We used to have 'fix-runpath' here, but it appears no longer - ;; necessary with newer Meson. However on 'core-updates' there is a - ;; useful 'strip-runpath' procedure to ensure no bogus directories in - ;; RUNPATH (remember that we tell Meson to not touch RUNPATH in - ;; (@ (gnu packages build-tools) meson-for-build)), so it should be - ;; re-added there sans the augment-rpath calls (which are not needed). - (replace 'install install))) + (replace 'install install) + (add-after 'strip 'shrink-runpath shrink-runpath))) (define* (meson-build #:key inputs phases #:allow-other-keys #:rest args) diff --git a/guix/build/python-build-system.scm b/guix/build/python-build-system.scm index 376ea81f1a..5bb0ba49d5 100644 --- a/guix/build/python-build-system.scm +++ b/guix/build/python-build-system.scm @@ -246,8 +246,6 @@ installed with setuptools." (define* (enable-bytecode-determinism #:rest _) "Improve determinism of pyc files." - ;; Set DETERMINISTIC_BUILD to override the embedded mtime in pyc files. - (setenv "DETERMINISTIC_BUILD" "1") ;; Use deterministic hashes for strings, bytes, and datetime objects. (setenv "PYTHONHASHSEED" "0") #t) diff --git a/guix/build/r-build-system.scm b/guix/build/r-build-system.scm index 4d8ac5b479..2c0b322da9 100644 --- a/guix/build/r-build-system.scm +++ b/guix/build/r-build-system.scm @@ -44,7 +44,7 @@ (unless (zero? code) (raise (condition ((@@ (guix build utils) &invoke-error) (program "R") - (arguments (string-append params " " command)) + (arguments (cons command params)) (exit-status (status:exit-val code)) (term-signal (status:term-sig code)) (stop-signal (status:stop-sig code))))))))) diff --git a/guix/build/svn.scm b/guix/build/svn.scm index 252d1d4ee5..913f89471b 100644 --- a/guix/build/svn.scm +++ b/guix/build/svn.scm @@ -51,7 +51,7 @@ valid Subversion revision. Return #t on success, #f otherwise." ;; of the repo. Since we want a fixed output, this directory needs ;; to be taken out. (with-directory-excursion directory - (delete-file-recursively ".svn")) + (for-each delete-file-recursively (find-files "." "^\\.svn$" #:directories? #t))) #t) diff --git a/guix/build/utils.scm b/guix/build/utils.scm index c58a1afd1c..5fe3286843 100644 --- a/guix/build/utils.scm +++ b/guix/build/utils.scm @@ -1057,11 +1057,11 @@ with definitions for VARS." (format #f "export ~a=\"~a\"" var (string-join rest sep))) ((var sep 'prefix rest) - (format #f "export ~a=\"~a${~a~a+~a}$~a\"" - var (string-join rest sep) var sep sep var)) + (format #f "export ~a=\"~a${~a:+~a}$~a\"" + var (string-join rest sep) var sep var)) ((var sep 'suffix rest) - (format #f "export ~a=\"$~a${~a~a+~a}~a\"" - var var var sep sep (string-join rest sep))) + (format #f "export ~a=\"$~a${~a+~a}~a\"" + var var var sep (string-join rest sep))) ((var '= rest) (format #f "export ~a=\"~a\"" var (string-join rest ":"))) |