diff options
Diffstat (limited to 'guix/build')
| -rw-r--r-- | guix/build/gnu-build-system.scm | 96 | ||||
| -rw-r--r-- | guix/build/utils.scm | 134 |
2 files changed, 138 insertions, 92 deletions
diff --git a/guix/build/gnu-build-system.scm b/guix/build/gnu-build-system.scm index 34edff7f40..1dfd85450c 100644 --- a/guix/build/gnu-build-system.scm +++ b/guix/build/gnu-build-system.scm @@ -172,22 +172,23 @@ files such as `.in' templates. Most scripts honor $SHELL and $CONFIG_SHELL, but some don't, such as `mkinstalldirs' or Automake's `missing' script." (for-each patch-shebang - (remove (lambda (file) - (or (not (file-exists? file)) ;dangling symlink - (file-is-directory? file))) - (find-files ".")))) + (find-files "." + (lambda (file stat) + ;; Filter out symlinks. + (eq? 'regular (stat:type stat))) + #:stat lstat))) (define (patch-generated-file-shebangs . rest) "Patch shebangs in generated files, including `SHELL' variables in makefiles." - ;; Patch executable files, some of which might have been generated by - ;; `configure'. + ;; Patch executable regular files, some of which might have been generated + ;; by `configure'. (for-each patch-shebang - (filter (lambda (file) - (and (file-exists? file) - (executable-file? file) - (not (file-is-directory? file)))) - (find-files "."))) + (find-files "." + (lambda (file stat) + (and (eq? 'regular (stat:type stat)) + (not (zero? (logand (stat:mode stat) #o100))))) + #:stat lstat)) ;; Patch `SHELL' in generated makefiles. (for-each patch-makefile-SHELL (find-files "." "^(GNU)?[mM]akefile$"))) @@ -386,26 +387,17 @@ makefiles." (when debug-output (format #t "debugging output written to ~s using ~s~%" debug-output objcopy-command)) - (file-system-fold (const #t) - (lambda (path stat result) ; leaf - (and (file-exists? path) ;discard dangling symlinks - (or (elf-file? path) (ar-file? path)) - (or (not debug-output) - (make-debug-file path)) - (zero? (apply system* strip-command - (append strip-flags (list path)))) - (or (not debug-output) - (add-debug-link path)))) - (const #t) ; down - (const #t) ; up - (const #t) ; skip - (lambda (path stat errno result) - (format (current-error-port) - "strip: failed to access `~a': ~a~%" - path (strerror errno)) - #f) - #t - dir)) + + (for-each (lambda (file) + (and (file-exists? file) ;discard dangling symlinks + (or (elf-file? file) (ar-file? file)) + (or (not debug-output) + (make-debug-file file)) + (zero? (apply system* strip-command + (append strip-flags (list file)))) + (or (not debug-output) + (add-debug-link file)))) + (find-files dir))) (or (not strip-binaries?) (every strip-dir @@ -552,6 +544,47 @@ DOCUMENTATION-COMPRESSOR-FLAGS." outputs) #t) + +(define* (patch-dot-desktop-files #:key outputs inputs #:allow-other-keys) + "Replace any references to executables in '.desktop' files with their +absolute file names." + (define bin-directories + (append-map (match-lambda + ((_ . directory) + (list (string-append directory "/bin") + (string-append directory "/sbin")))) + outputs)) + + (define (which program) + (or (search-path bin-directories program) + (begin + (format (current-error-port) + "warning: '.desktop' file refers to '~a', \ +which cannot be found~%" + program) + program))) + + (for-each (match-lambda + ((_ . directory) + (let ((applications (string-append directory + "/share/applications"))) + (when (directory-exists? applications) + (let ((files (find-files applications "\\.desktop$"))) + (format #t "adjusting ~a '.desktop' files in ~s~%" + (length files) applications) + + ;; '.desktop' files contain translations and are always + ;; UTF-8-encoded. + (with-fluids ((%default-port-encoding "UTF-8")) + (substitute* files + (("^Exec=([^/[:blank:]\r\n]*)(.*)$" _ binary rest) + (string-append "Exec=" (which binary) rest)) + (("^TryExec=([^/[:blank:]\r\n]*)(.*)$" _ binary rest) + (string-append "TryExec=" + (which binary) rest))))))))) + outputs) + #t) + (define %standard-phases ;; Standard build phases, as a list of symbol/procedure pairs. (let-syntax ((phases (syntax-rules () @@ -564,6 +597,7 @@ DOCUMENTATION-COMPRESSOR-FLAGS." validate-runpath validate-documentation-location delete-info-dir-file + patch-dot-desktop-files compress-documentation))) diff --git a/guix/build/utils.scm b/guix/build/utils.scm index 2988193fce..bc6f114152 100644 --- a/guix/build/utils.scm +++ b/guix/build/utils.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr> ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org> ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org> @@ -518,8 +518,8 @@ following forms: (add-before <old-phase-name> <new-phase-name> <new-phase>) (add-after <old-phase-name> <new-phase-name> <new-phase>) -Where every <*-phase-name> is an automatically quoted symbol, and <new-phase> -an expression evaluating to a procedure." +Where every <*-phase-name> is an expression evaluating to a symbol, and +<new-phase> an expression evaluating to a procedure." (let* ((phases* phases) (phases* (%modify-phases phases* mod-spec)) ...) @@ -944,64 +944,76 @@ This is useful for scripts that expect particular programs to be in $PATH, for programs that expect particular shared libraries to be in $LD_LIBRARY_PATH, or modules in $GUILE_LOAD_PATH, etc. -If PROG has previously been wrapped by wrap-program the wrapper will point to -the previous wrapper." - (define (wrapper-file-name number) - (format #f "~a/.~a-wrap-~2'0d" (dirname prog) (basename prog) number)) - (define (next-wrapper-number) - (let ((wrappers - (find-files (dirname prog) - (string-append "\\." (basename prog) "-wrap-.*")))) - (if (null? wrappers) - 0 - (string->number (string-take-right (last wrappers) 2))))) - (define (wrapper-target number) - (if (zero? number) - (let ((prog-real (string-append (dirname prog) "/." - (basename prog) "-real"))) - (rename-file prog prog-real) - prog-real) - (wrapper-file-name number))) - - (let* ((number (next-wrapper-number)) - (target (wrapper-target number)) - (wrapper (wrapper-file-name (1+ number))) - (prog-tmp (string-append target "-tmp"))) - (define (export-variable lst) - ;; Return a string that exports an environment variable. - (match lst - ((var sep '= rest) - (format #f "export ~a=\"~a\"" - var (string-join rest sep))) - ((var sep 'prefix rest) - (format #f "export ~a=\"~a${~a~a+~a}$~a\"" - var (string-join rest sep) var sep sep var)) - ((var sep 'suffix rest) - (format #f "export ~a=\"$~a${~a~a+~a}~a\"" - var var var sep sep (string-join rest sep))) - ((var '= rest) - (format #f "export ~a=\"~a\"" - var (string-join rest ":"))) - ((var 'prefix rest) - (format #f "export ~a=\"~a${~a:+:}$~a\"" - var (string-join rest ":") var var)) - ((var 'suffix rest) - (format #f "export ~a=\"$~a${~a:+:}~a\"" - var var var (string-join rest ":"))))) - - (with-output-to-file prog-tmp - (lambda () - (format #t - "#!~a~%~a~%exec -a \"$0\" \"~a\" \"$@\"~%" - (which "bash") - (string-join (map export-variable vars) - "\n") - (canonicalize-path target)))) - - (chmod prog-tmp #o755) - (rename-file prog-tmp wrapper) - (symlink wrapper prog-tmp) - (rename-file prog-tmp prog))) +If PROG has previously been wrapped by 'wrap-program', the wrapper is extended +with definitions for VARS." + (define wrapped-file + (string-append (dirname prog) "/." (basename prog) "-real")) + + (define already-wrapped? + (file-exists? wrapped-file)) + + (define (last-line port) + ;; Return the last line read from PORT and leave PORT's cursor right + ;; before it. + (let loop ((previous-line-offset 0) + (previous-line "") + (position (seek port 0 SEEK_CUR))) + (match (read-line port 'concat) + ((? eof-object?) + (seek port previous-line-offset SEEK_SET) + previous-line) + ((? string? line) + (loop position line (+ (string-length line) position)))))) + + (define (export-variable lst) + ;; Return a string that exports an environment variable. + (match lst + ((var sep '= rest) + (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)) + ((var sep 'suffix rest) + (format #f "export ~a=\"$~a${~a~a+~a}~a\"" + var var var sep sep (string-join rest sep))) + ((var '= rest) + (format #f "export ~a=\"~a\"" + var (string-join rest ":"))) + ((var 'prefix rest) + (format #f "export ~a=\"~a${~a:+:}$~a\"" + var (string-join rest ":") var var)) + ((var 'suffix rest) + (format #f "export ~a=\"$~a${~a:+:}~a\"" + var var var (string-join rest ":"))))) + + (if already-wrapped? + + ;; PROG is already a wrapper: add the new "export VAR=VALUE" lines just + ;; before the last line. + (let* ((port (open-file prog "r+")) + (last (last-line port))) + (for-each (lambda (var) + (display (export-variable var) port) + (newline port)) + vars) + (display last port) + (close-port port)) + + ;; PROG is not wrapped yet: create a shell script that sets VARS. + (let ((prog-tmp (string-append wrapped-file "-tmp"))) + (link prog wrapped-file) + + (call-with-output-file prog-tmp + (lambda (port) + (format port + "#!~a~%~a~%exec -a \"$0\" \"~a\" \"$@\"~%" + (which "bash") + (string-join (map export-variable vars) "\n") + (canonicalize-path wrapped-file)))) + + (chmod prog-tmp #o755) + (rename-file prog-tmp prog)))) ;;; |