diff options
Diffstat (limited to 'guix/build')
| -rw-r--r-- | guix/build/gnu-build-system.scm | 130 | ||||
| -rw-r--r-- | guix/build/go-build-system.scm | 2 | ||||
| -rw-r--r-- | guix/build/make-bootstrap.scm | 71 | ||||
| -rw-r--r-- | guix/build/meson-build-system.scm | 1 | ||||
| -rw-r--r-- | guix/build/python-build-system.scm | 33 | ||||
| -rw-r--r-- | guix/build/syscalls.scm | 16 | ||||
| -rw-r--r-- | guix/build/utils.scm | 230 |
7 files changed, 390 insertions, 93 deletions
diff --git a/guix/build/gnu-build-system.scm b/guix/build/gnu-build-system.scm index e5f3197b0a..4df0bb4904 100644 --- a/guix/build/gnu-build-system.scm +++ b/guix/build/gnu-build-system.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2018 Mark H Weaver <mhw@netris.org> ;;; ;;; This file is part of GNU Guix. @@ -25,6 +25,7 @@ #:use-module (ice-9 match) #:use-module (ice-9 regex) #:use-module (ice-9 format) + #:use-module (ice-9 ftw) #:use-module (srfi srfi-1) #:use-module (srfi srfi-19) #:use-module (srfi srfi-34) @@ -58,19 +59,14 @@ See https://reproducible-builds.org/specs/source-date-epoch/." (setenv "SOURCE_DATE_EPOCH" "1") #t) -(define (first-subdirectory dir) - "Return the path of the first sub-directory of DIR." - (file-system-fold (lambda (path stat result) - (string=? path dir)) - (lambda (path stat result) result) ; leaf - (lambda (path stat result) result) ; down - (lambda (path stat result) result) ; up - (lambda (path stat result) ; skip - (or result path)) - (lambda (path stat errno result) ; error - (error "first-subdirectory" (strerror errno))) - #f - dir)) +(define (first-subdirectory directory) + "Return the file name of the first sub-directory of DIRECTORY." + (match (scandir directory + (lambda (file) + (and (not (member file '("." ".."))) + (file-is-directory? (string-append directory "/" + file))))) + ((first . _) first))) (define* (set-paths #:key target inputs native-inputs (search-paths '()) (native-search-paths '()) @@ -735,23 +731,64 @@ which cannot be found~%" (define* (install-license-files #:key outputs (license-file-regexp %license-file-regexp) + out-of-source? #:allow-other-keys) "Install license files matching LICENSE-FILE-REGEXP to 'share/doc'." + (define (find-source-directory package) + ;; For an out-of-source build, guess the source directory location + ;; relative to the current directory. Return #f on failure. + (match (scandir ".." + (lambda (file) + (and (not (member file '("." ".." "build"))) + (file-is-directory? + (string-append "../" file))))) + (() ;hmm, no source + #f) + ((source) ;only one other file + (string-append "../" source)) + ((directories ...) ;pick the most likely one + ;; This happens for example with libstdc++, which lives within the GCC + ;; source tree. + (any (lambda (directory) + (and (string-prefix? package directory) + (string-append "../" directory))) + directories)))) + + (define (copy-to-directories directories sub-directory) + (lambda (file) + (for-each (if (file-is-directory? file) + (cut copy-recursively file <>) + (cut install-file file <>)) + (map (cut string-append <> "/" sub-directory) + directories)))) + (let* ((regexp (make-regexp license-file-regexp)) (out (or (assoc-ref outputs "out") (match outputs (((_ . output) _ ...) output)))) (package (strip-store-file-name out)) - (directory (string-append out "/share/doc/" package)) - (files (scandir "." (lambda (file) - (regexp-exec regexp file))))) - (format #t "installing ~a license files~%" (length files)) - (for-each (lambda (file) - (if (file-is-directory? file) - (copy-recursively file directory) - (install-file file directory))) - files) + (outputs (match outputs + (((_ . outputs) ...) + outputs))) + (source (if out-of-source? + (find-source-directory + (package-name->name+version package)) + ".")) + (files (and source + (scandir source + (lambda (file) + (regexp-exec regexp file)))))) + (if files + (begin + (format #t "installing ~a license files from '~a'~%" + (length files) source) + (for-each (copy-to-directories outputs + (string-append "share/doc/" + package)) + (map (cut string-append source "/" <>) files))) + (format (current-error-port) + "failed to find license files~%")) #t)) (define %standard-phases @@ -784,34 +821,37 @@ in order. Return #t if all the PHASES succeeded, #f otherwise." (+ (time-second diff) (/ (time-nanosecond diff) 1e9)))) - (setvbuf (current-output-port) _IOLBF) - (setvbuf (current-error-port) _IOLBF) + (setvbuf (current-output-port) 'line) + (setvbuf (current-error-port) 'line) ;; Encoding/decoding errors shouldn't be silent. (fluid-set! %default-port-conversion-strategy 'error) - ;; The trick is to #:allow-other-keys everywhere, so that each procedure in - ;; PHASES can pick the keyword arguments it's interested in. - (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) "\ + (guard (c ((invoke-error? c) + (report-invoke-error c) + (exit 1))) + ;; The trick is to #:allow-other-keys everywhere, so that each procedure in + ;; PHASES can pick the keyword arguments it's interested in. + (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/go-build-system.scm b/guix/build/go-build-system.scm index 3dac43c18a..4bc0156a88 100644 --- a/guix/build/go-build-system.scm +++ b/guix/build/go-build-system.scm @@ -237,7 +237,7 @@ unpacking." "Install the source code of IMPORT-PATH to the primary output directory. Compiled executable files (Go \"commands\") should have already been installed to the store based on $GOBIN in the build phase. -XXX We can't make us of compiled libraries (Go \"packages\")." +XXX We can't make use of compiled libraries (Go \"packages\")." (when install-source? (if (string-null? import-path) ((display "WARNING: The Go import path is unset.\n"))) diff --git a/guix/build/make-bootstrap.scm b/guix/build/make-bootstrap.scm index 48799f7e90..0d29338ce3 100644 --- a/guix/build/make-bootstrap.scm +++ b/guix/build/make-bootstrap.scm @@ -1,6 +1,7 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2015, 2017 Manolis Fragkiskos Ragkousis <manolis837@gmail.com> ;;; Copyright © 2015, 2019 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -23,7 +24,8 @@ #:use-module (srfi srfi-19) #:use-module (srfi srfi-26) #:use-module (guix build utils) - #:export (make-stripped-libc)) + #:export (copy-linux-headers + make-stripped-libc)) ;; Commentary: ;; @@ -31,6 +33,52 @@ ;; ;; Code: +(define (copy-linux-headers output kernel-headers) + "Copy to OUTPUT the subset of KERNEL-HEADERS that is needed when producing a +bootstrap libc." + + (let* ((incdir (string-append output "/include"))) + (mkdir-p incdir) + + ;; Copy some of the Linux-Libre headers that glibc headers + ;; refer to. + (mkdir (string-append incdir "/linux")) + (for-each (lambda (file) + (install-file (pk 'src (string-append kernel-headers "/include/linux/" file)) + (pk 'dest (string-append incdir "/linux")))) + '( + "atalk.h" ; for 2.2.5 + "errno.h" + "falloc.h" + "if_addr.h" ; for 2.16.0 + "if_ether.h" ; for 2.2.5 + "if_link.h" ; for 2.16.0 + "ioctl.h" + "kernel.h" + "limits.h" + "neighbour.h" ; for 2.16.0 + "netlink.h" ; for 2.16.0 + "param.h" + "prctl.h" ; for 2.16.0 + "posix_types.h" + "rtnetlink.h" ; for 2.16.0 + "socket.h" + "stddef.h" + "swab.h" ; for 2.2.5 + "sysctl.h" + "sysinfo.h" ; for 2.2.5 + "types.h" + "version.h" ; for 2.2.5 + )) + + (copy-recursively (string-append kernel-headers "/include/asm") + (string-append incdir "/asm")) + (copy-recursively (string-append kernel-headers "/include/asm-generic") + (string-append incdir "/asm-generic")) + (copy-recursively (string-append kernel-headers "/include/linux/byteorder") + (string-append incdir "/linux/byteorder")) + #t)) + (define (make-stripped-libc output libc kernel-headers) "Copy to OUTPUT the subset of LIBC and KERNEL-HEADERS that is needed when producing a bootstrap libc." @@ -43,25 +91,10 @@ when producing a bootstrap libc." (string-append incdir "/mach")) #t)) - (define (copy-linux-headers output kernel-headers) + (define (copy-libc+linux-headers output kernel-headers) (let* ((incdir (string-append output "/include"))) (copy-recursively (string-append libc "/include") incdir) - - ;; Copy some of the Linux-Libre headers that glibc headers - ;; refer to. - (mkdir (string-append incdir "/linux")) - (for-each (lambda (file) - (install-file (string-append kernel-headers "/include/linux/" file) - (string-append incdir "/linux"))) - '("limits.h" "errno.h" "socket.h" "kernel.h" - "sysctl.h" "param.h" "ioctl.h" "types.h" - "posix_types.h" "stddef.h" "falloc.h")) - - (copy-recursively (string-append kernel-headers "/include/asm") - (string-append incdir "/asm")) - (copy-recursively (string-append kernel-headers "/include/asm-generic") - (string-append incdir "/asm-generic")) - #t)) + (copy-linux-headers output kernel-headers))) (define %libc-object-files-rx "^(crt.*|ld.*|lib(c|m|dl|rt|pthread|nsl|\ util).*\\.so(\\..*)?|lib(machuser|hurduser).so.*|(libc(rt|)|libpthread)\ @@ -80,6 +113,6 @@ _nonshared\\.a)$") (if (directory-exists? (string-append kernel-headers "/include/mach")) (copy-mach-headers output kernel-headers) - (copy-linux-headers output kernel-headers))) + (copy-libc+linux-headers output kernel-headers))) diff --git a/guix/build/meson-build-system.scm b/guix/build/meson-build-system.scm index d0975fcab0..8043a84abb 100644 --- a/guix/build/meson-build-system.scm +++ b/guix/build/meson-build-system.scm @@ -108,6 +108,7 @@ for example libraries only needed for the tests." ;; from the gnu-build-system. If the glib-or-gtk? key is #f (the default) ;; then the extra phases will be removed again in (guix build-system meson). (modify-phases glib-or-gtk:%standard-phases + (delete 'bootstrap) (replace 'configure configure) (replace 'build build) (replace 'check check) diff --git a/guix/build/python-build-system.scm b/guix/build/python-build-system.scm index 5bb0ba49d5..09bd8465c8 100644 --- a/guix/build/python-build-system.scm +++ b/guix/build/python-build-system.scm @@ -1,10 +1,11 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2013, 2015, 2016, 2018 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013, 2015, 2016, 2018, 2019 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr> ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org> ;;; Copyright © 2015, 2018 Mark H Weaver <mhw@netris.org> ;;; Copyright © 2016 Hartmut Goebel <h.goebel@crazy-compilers.com> ;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net> +;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net> ;;; ;;; This file is part of GNU Guix. ;;; @@ -31,6 +32,7 @@ #:export (%standard-phases add-installed-pythonpath site-packages + python-version python-build)) ;; Commentary: @@ -146,7 +148,7 @@ (format #t "test suite not run~%")) #t) -(define (get-python-version python) +(define (python-version python) (let* ((version (last (string-split python #\-))) (components (string-split version #\.)) (major+minor (take components 2))) @@ -157,7 +159,7 @@ (let* ((out (assoc-ref outputs "out")) (python (assoc-ref inputs "python"))) (string-append out "/lib/python" - (get-python-version python) + (python-version python) "/site-packages/"))) (define (add-installed-pythonpath inputs outputs) @@ -186,11 +188,9 @@ when running checks after installing the package." (define* (wrap #:key inputs outputs #:allow-other-keys) (define (list-of-files dir) - (map (cut string-append dir "/" <>) - (or (scandir dir (lambda (f) - (let ((s (stat (string-append dir "/" f)))) - (eq? 'regular (stat:type s))))) - '()))) + (find-files dir (lambda (file stat) + (and (eq? 'regular (stat:type stat)) + (not (wrapper? file)))))) (define bindirs (append-map (match-lambda @@ -203,7 +203,7 @@ when running checks after installing the package." (python (assoc-ref inputs "python")) (var `("PYTHONPATH" prefix ,(cons (string-append out "/lib/python" - (get-python-version python) + (python-version python) "/site-packages") (search-path-as-string->list (or (getenv "PYTHONPATH") "")))))) @@ -223,7 +223,7 @@ installed with setuptools." (let* ((out (assoc-ref outputs "out")) (python (assoc-ref inputs "python")) (site-packages (string-append out "/lib/python" - (get-python-version python) + (python-version python) "/site-packages")) (easy-install-pth (string-append site-packages "/easy-install.pth")) (new-pth (string-append site-packages "/" name ".pth"))) @@ -251,16 +251,21 @@ installed with setuptools." #t) (define %standard-phases - ;; 'configure' phase is not needed. + ;; The build phase only builds C extensions and copies the Python sources, + ;; while the install phase byte-compiles and copies them to the prefix + ;; directory. The tests are run after the install phase because otherwise + ;; the cached .pyc generated during the tests execution seem to interfere + ;; with the byte compilation of the install phase. (modify-phases gnu:%standard-phases (add-after 'unpack 'ensure-no-mtimes-pre-1980 ensure-no-mtimes-pre-1980) (add-after 'ensure-no-mtimes-pre-1980 'enable-bytecode-determinism enable-bytecode-determinism) (delete 'bootstrap) - (delete 'configure) - (replace 'install install) - (replace 'check check) + (delete 'configure) ;not needed (replace 'build build) + (delete 'check) ;moved after the install phase + (replace 'install install) + (add-after 'install 'check check) (add-after 'install 'wrap wrap) (add-before 'strip 'rename-pth-file rename-pth-file))) diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm index 3c84d3893f..f2fdb4d9d1 100644 --- a/guix/build/syscalls.scm +++ b/guix/build/syscalls.scm @@ -396,17 +396,11 @@ the returned procedure is called." ((_ (proc args ...) body ...) (define-as-needed proc (lambda* (args ...) body ...))) ((_ variable value) - (begin - (when (module-defined? the-scm-module 'variable) - (re-export variable)) - - (define variable - (if (module-defined? the-scm-module 'variable) - (module-ref the-scm-module 'variable) - value)) - - (unless (module-defined? the-scm-module 'variable) - (export variable)))))) + (if (module-defined? the-scm-module 'variable) + (module-re-export! (current-module) '(variable)) + (begin + (module-define! (current-module) 'variable value) + (module-export! (current-module) '(variable))))))) ;;; diff --git a/guix/build/utils.scm b/guix/build/utils.scm index 5fe3286843..b8be73ead4 100644 --- a/guix/build/utils.scm +++ b/guix/build/utils.scm @@ -1,8 +1,10 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr> ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org> ;;; Copyright © 2015, 2018 Mark H Weaver <mhw@netris.org> +;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net> +;;; Copyright © 2018, 2019 Ricardo Wurmus <rekado@elephly.net> ;;; ;;; This file is part of GNU Guix. ;;; @@ -87,7 +89,13 @@ patch-/usr/bin/file fold-port-matches remove-store-references + wrapper? wrap-program + wrap-script + + wrap-error? + wrap-error-program + wrap-error-type invoke invoke-error? @@ -96,10 +104,33 @@ invoke-error-exit-status invoke-error-term-signal invoke-error-stop-signal + report-invoke-error + + invoke/quiet locale-category->string)) + +;;; +;;; Guile 2.0 compatibility later. +;;; +;; The bootstrap Guile is Guile 2.0, so provide a compatibility layer. +(cond-expand + ((and guile-2 (not guile-2.2)) + (define (setvbuf port mode . rest) + (apply (@ (guile) setvbuf) port + (match mode + ('line _IOLBF) + ('block _IOFBF) + ('none _IONBF) + (_ mode)) ;an _IO* integer + rest)) + + (module-replace! (current-module) '(setvbuf))) + (else #f)) + + ;;; ;;; Directories. ;;; @@ -600,6 +631,11 @@ Where every <*-phase-name> is an expression evaluating to a symbol, and ((_ phases (add-after old-phase-name new-phase-name new-phase)) (alist-cons-after old-phase-name new-phase-name new-phase phases)))) + +;;; +;;; Program invocation. +;;; + (define-condition-type &invoke-error &error invoke-error? (program invoke-error-program) @@ -621,6 +657,68 @@ if the exit code is non-zero; otherwise return #t." (stop-signal (status:stop-sig code)))))) #t)) +(define* (report-invoke-error c #:optional (port (current-error-port))) + "Report to PORT about C, an '&invoke-error' condition, in a human-friendly +way." + (format port "command~{ ~s~} failed with ~:[signal~;status~] ~a~%" + (cons (invoke-error-program c) + (invoke-error-arguments c)) + (invoke-error-exit-status c) + (or (invoke-error-exit-status c) + (invoke-error-term-signal c) + (invoke-error-stop-signal c)))) + +(define (open-pipe-with-stderr program . args) + "Run PROGRAM with ARGS in an input pipe, but, unlike 'open-pipe*', redirect +both its standard output and standard error to the pipe. Return two value: +the pipe to read PROGRAM's data from, and the PID of the child process running +PROGRAM." + ;; 'open-pipe*' doesn't attempt to capture stderr in any way, which is why + ;; we need to roll our own. + (match (pipe) + ((input . output) + (match (primitive-fork) + (0 + (dynamic-wind + (const #t) + (lambda () + (close-port input) + (dup2 (fileno output) 1) + (dup2 (fileno output) 2) + (apply execlp program program args)) + (lambda () + (primitive-exit 127)))) + (pid + (close-port output) + (values input pid)))))) + +(define (invoke/quiet program . args) + "Invoke PROGRAM with ARGS and capture PROGRAM's standard output and standard +error. If PROGRAM succeeds, print nothing and return the unspecified value; +otherwise, raise a '&message' error condition that includes the status code +and the output of PROGRAM." + (let-values (((pipe pid) + (apply open-pipe-with-stderr program args))) + (let loop ((lines '())) + (match (read-line pipe) + ((? eof-object?) + (close-port pipe) + (match (waitpid pid) + ((_ . status) + (unless (zero? status) + (let-syntax ((G_ (syntax-rules () ;for xgettext + ((_ str) str)))) + (raise (condition + (&message + (message (format #f (G_ "'~a~{ ~a~}' exited \ +with status ~a; output follows:~%~%~{ ~a~%~}") + program args + (or (status:exit-val status) + status) + (reverse lines))))))))))) + (line + (loop (cons line lines))))))) + ;;; ;;; Text substitution (aka. sed). @@ -987,8 +1085,8 @@ known as `nuke-refs' in Nixpkgs." ;; We cannot use `regexp-exec' here because it cannot deal with ;; strings containing NUL characters. (format #t "removing store references from `~a'...~%" file) - (setvbuf in _IOFBF 65536) - (setvbuf out _IOFBF 65536) + (setvbuf in 'block 65536) + (setvbuf out 'block 65536) (fold-port-matches (lambda (match result) (put-bytevector out (string->utf8 store)) (put-u8 out (char->integer #\/)) @@ -1003,6 +1101,18 @@ known as `nuke-refs' in Nixpkgs." (put-u8 out (char->integer char)) result)))))) +(define-condition-type &wrap-error &error + wrap-error? + (program wrap-error-program) + (type wrap-error-type)) + +(define (wrapper? prog) + "Return #t if PROG is a wrapper as produced by 'wrap-program'." + (and (file-exists? prog) + (let ((base (basename prog))) + (and (string-prefix? "." base) + (string-suffix? "-real" base))))) + (define* (wrap-program prog #:rest vars) "Make a wrapper for PROG. VARS should look like this: @@ -1100,6 +1210,120 @@ with definitions for VARS." (chmod prog-tmp #o755) (rename-file prog-tmp prog)))) +(define wrap-script + (let ((interpreter-regex + (make-regexp + (string-append "^#! ?(/[^ ]+/bin/(" + (string-join '("python[^ ]*" + "Rscript" + "perl" + "ruby" + "bash" + "sh") "|") + "))( ?.*)"))) + (coding-line-regex + (make-regexp + ".*#.*coding[=:][[:space:]]*([-a-zA-Z_0-9.]+)"))) + (lambda* (prog #:key (guile (which "guile")) #:rest vars) + "Wrap the script PROG such that VARS are set first. The format of VARS +is the same as in the WRAP-PROGRAM procedure. This procedure differs from +WRAP-PROGRAM in that it does not create a separate shell script. Instead, +PROG is modified directly by prepending a Guile script, which is interpreted +as a comment in the script's language. + +Special encoding comments as supported by Python are recreated on the second +line. + +Note that this procedure can only be used once per file as Guile scripts are +not supported." + (define update-env + (match-lambda + ((var sep '= rest) + `(setenv ,var ,(string-join rest sep))) + ((var sep 'prefix rest) + `(let ((current (getenv ,var))) + (setenv ,var (if current + (string-append ,(string-join rest sep) + ,sep current) + ,(string-join rest sep))))) + ((var sep 'suffix rest) + `(let ((current (getenv ,var))) + (setenv ,var (if current + (string-append current ,sep + ,(string-join rest sep)) + ,(string-join rest sep))))) + ((var '= rest) + `(setenv ,var ,(string-join rest ":"))) + ((var 'prefix rest) + `(let ((current (getenv ,var))) + (setenv ,var (if current + (string-append ,(string-join rest ":") + ":" current) + ,(string-join rest ":"))))) + ((var 'suffix rest) + `(let ((current (getenv ,var))) + (setenv ,var (if current + (string-append current ":" + ,(string-join rest ":")) + ,(string-join rest ":"))))))) + (let-values (((interpreter args coding-line) + (call-with-ascii-input-file prog + (lambda (p) + (let ((first-match + (false-if-exception + (regexp-exec interpreter-regex (read-line p))))) + (values (and first-match (match:substring first-match 1)) + (and first-match (match:substring first-match 3)) + (false-if-exception + (and=> (regexp-exec coding-line-regex (read-line p)) + (lambda (m) (match:substring m 0)))))))))) + (if interpreter + (let* ((header (format #f "\ +#!~a --no-auto-compile +#!#; ~a +#\\-~s +#\\-~s +" + guile + (or coding-line "Guix wrapper") + (cons 'begin (map update-env + (match vars + ((#:guile _ . vars) vars) + (_ vars)))) + `(let ((cl (command-line))) + (apply execl ,interpreter + (car cl) + (cons (car cl) + (append + ',(string-split args #\space) + cl)))))) + (template (string-append prog ".XXXXXX")) + (out (mkstemp! template)) + (st (stat prog)) + (mode (stat:mode st))) + (with-throw-handler #t + (lambda () + (call-with-ascii-input-file prog + (lambda (p) + (format out header) + (dump-port p out) + (close out) + (chmod template mode) + (rename-file template prog) + (set-file-time prog st)))) + (lambda (key . args) + (format (current-error-port) + "wrap-script: ~a: error: ~a ~s~%" + prog key args) + (false-if-exception (delete-file template)) + (raise (condition + (&wrap-error (program prog) + (type key)))) + #f))) + (raise (condition + (&wrap-error (program prog) + (type 'no-interpreter-found))))))))) + ;;; ;;; Locales. |