import: hackage: `elif` conditionals not supported

DoneSubmitted by Philip Munksgaard.
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  • Lars-Dominik Braun
  • Philip Munksgaard
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Philip Munksgaard wrote on 6 Apr 18:19 +0200
(address . bug-guix@gnu.org)
86aa9c55-a4b0-4075-bdf6-8281885ab835@www.fastmail.com
Since Cabal 2.2 conditional blocks support the `elif` construct [0], but our hackage importer does not currently support such expressions. This causes importing packages like `raaz` [1] to fail.

L
L
Lars-Dominik Braun wrote on 14 May 15:53 +0200
(name . Philip Munksgaard)(address . philip@munksgaard.me)(address . bug-guix@gnu.org)
Yn+0YPG3wzvdxRli@noor.fritz.box
Hi Philip,

Toggle quote (1 lines)
> Since Cabal 2.2 conditional blocks support the `elif` construct [0], but our hackage importer does not currently support such expressions. This causes importing packages like `raaz` [1] to fail.
attached patch series fixes the import for `raaz` by adding support for
elif and other minor adjustments. There still is syntax we do not support,
most importantly mixed indentation, which is already documented as xfail
via a testcase. I’m adding a few more.

Could you have a look please if these make sense?

Cheers,
Lars
From 6b47c1d399922b60dafa01105daa1b7ea3da3935 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Sat, 30 Apr 2022 15:38:44 +0200
Subject: [PATCH 1/5] import: cabal: Support elif statement.

* guix/import/cabal.scm (make-cabal-parser): Replace if-then-else grammar case with elif-else, modify if-then accordingly.
(is-elif): New procedure.
(lex-elif): Likewise.
(is-id): Add elif keyword.
(lex-word): Add test for elif.
* tests/hackage.scm (test-cabal-if): New variale.
(test-cabal-else): Likewise.
(test-cabal-elif): Likewise.
(test-cabal-elif-brackets): Likewise.
(match-ghc-elif): Likewise.
("hackage->guix-package test lonely if statement",
"hackage->guix-package test else statement",
"hackage->guix-package test elif statement",
"hackage->guix-package test elif statement with brackets"): New tests.
---
guix/import/cabal.scm | 63 ++++++++++++++------------
tests/hackage.scm | 102 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 136 insertions(+), 29 deletions(-)

Toggle diff (224 lines)
diff --git a/guix/import/cabal.scm b/guix/import/cabal.scm
index 98d7234098..e1a082a31a 100644
--- a/guix/import/cabal.scm
+++ b/guix/import/cabal.scm
@@ -149,7 +149,7 @@ (define (make-cabal-parser)
            (right: IF FLAG EXEC TEST-SUITE CUSTOM-SETUP SOURCE-REPO BENCHMARK LIB COMMON OCURLY)
            (left: OR)
            (left: PROPERTY AND)
-           (right: ELSE NOT))
+           (right: ELIF ELSE NOT))
    ;; --- rules
    (body        (properties sections)   : (append $1 $2))
    (sections    (sections flags)        : (append $1 $2)
@@ -193,32 +193,32 @@ (define (make-cabal-parser)
                 (LIB open exprs close)    : `(section library ,$3))
    (exprs       (exprs PROPERTY)         : (append $1 (list $2))
                 (PROPERTY)               : (list $1)
-                (exprs if-then-else)     : (append $1 (list $2))
-                (if-then-else)           : (list $1)
-                (exprs if-then)          : (append $1 (list $2))
-                (if-then)                : (list $1))
-   (if-then-else (IF tests OCURLY exprs CCURLY ELSE OCURLY exprs CCURLY)
-                 : `(if ,$2 ,$4 ,$8)
-                 (IF tests open exprs close ELSE OCURLY exprs CCURLY)
-                 : `(if ,$2 ,$4 ,$8)
-                 ;; The 'open' token after 'tests' is shifted after an 'exprs'
-                 ;; is found.  This is because, instead of 'exprs' a 'OCURLY'
-                 ;; token is a valid alternative.  For this reason, 'open'
-                 ;; pushes a <parse-context> with a line indentation equal to
-                 ;; the indentation of 'exprs'.
-                 ;;
-                 ;; Differently from this, without the rule above this
-                 ;; comment, when an 'ELSE' token is found, the 'open' token
-                 ;; following the 'ELSE' would be shifted immediately, before
-                 ;; the 'exprs' is found (because there are no other valid
-                 ;; tokens).  The 'open' would therefore create a
-                 ;; <parse-context> with the indentation of 'ELSE' and not
-                 ;; 'exprs', creating an inconsistency.  We therefore allow
-                 ;; mixed style conditionals.
-                 (IF tests open exprs close ELSE open exprs close)
-                 : `(if ,$2 ,$4 ,$8))
-   (if-then     (IF tests OCURLY exprs CCURLY) : `(if ,$2 ,$4 ())
-                (IF tests open exprs close)    : `(if ,$2 ,$4 ()))
+                (exprs elif-else)          : (append $1 (list ($2 '(()))))
+                (elif-else)                : (list ($1 '(()))))
+   ;; LALR(1) parsers prefer to be left-recursive, which make if-statements slightly involved.
+   ;; XXX: This technically allows multiple else statements.
+   (elif-else   (elif-else ELIF tests OCURLY exprs CCURLY) : (lambda (y) ($1 (list (append (list 'if $3 $5) y))))
+                (elif-else ELIF tests open exprs close) : (lambda (y) ($1 (list (append (list 'if $3 $5) y))))
+                (elif-else ELSE OCURLY exprs CCURLY) : (lambda (y) ($1 (list $4)))
+                ;; The 'open' token after 'tests' is shifted after an 'exprs'
+                ;; is found.  This is because, instead of 'exprs' a 'OCURLY'
+                ;; token is a valid alternative.  For this reason, 'open'
+                ;; pushes a <parse-context> with a line indentation equal to
+                ;; the indentation of 'exprs'.
+                ;;
+                ;; Differently from this, without the rule above this
+                ;; comment, when an 'ELSE' token is found, the 'open' token
+                ;; following the 'ELSE' would be shifted immediately, before
+                ;; the 'exprs' is found (because there are no other valid
+                ;; tokens).  The 'open' would therefore create a
+                ;; <parse-context> with the indentation of 'ELSE' and not
+                ;; 'exprs', creating an inconsistency.  We therefore allow
+                ;; mixed style conditionals.
+                (elif-else ELSE open exprs close) : (lambda (y) ($1 (list $4)))
+                ;; Terminating rule.
+                (if-then) : (lambda (y) (append $1 y)))
+   (if-then     (IF tests OCURLY exprs CCURLY) : (list 'if $2 $4)
+                (IF tests open exprs close)    : (list 'if $2 $4))
    (tests       (TEST OPAREN ID CPAREN)        : `(,$1 ,$3)
                 (TRUE)                         : 'true
                 (FALSE)                        : 'false
@@ -386,6 +386,8 @@ (define is-lib (make-rx-matcher "^library *" regexp/icase))
 
 (define is-else (make-rx-matcher "^else" regexp/icase))
 
+(define (is-elif s) (string-ci=? s "elif"))
+
 (define (is-if s) (string-ci=? s "if"))
 
 (define (is-true s) (string-ci=? s "true"))
@@ -402,8 +404,8 @@ (define (is-or s) (string=? s "||"))
 
 (define (is-id s port loc)
   (let ((cabal-reserved-words
-         '("if" "else" "library" "flag" "executable" "test-suite" "custom-setup"
-           "source-repository" "benchmark" "common"))
+         '("if" "else" "elif" "library" "flag" "executable" "test-suite"
+           "custom-setup" "source-repository" "benchmark" "common"))
         (spaces (read-while (cut char-set-contains? char-set:blank <>) port))
         (c (peek-char port)))
     (unread-string spaces port)
@@ -494,6 +496,8 @@ (define (lex-lib loc) (make-lexical-token 'LIB loc #f))
 
 (define (lex-else loc) (make-lexical-token 'ELSE loc #f))
 
+(define (lex-elif loc) (make-lexical-token 'ELIF loc #f))
+
 (define (lex-if loc) (make-lexical-token 'IF loc #f))
 
 (define (lex-true loc) (make-lexical-token 'TRUE loc #t))
@@ -568,6 +572,7 @@ (define (lex-word port loc)
 LOC is the current port location."
   (let* ((w (read-delimited " <>=()\t\n" port 'peek)))
     (cond ((is-if w) (lex-if loc))
+          ((is-elif w) (lex-elif loc))
           ((is-test w port) (lex-test w loc))
           ((is-true w) (lex-true loc))
           ((is-false w) (lex-false loc))
diff --git a/tests/hackage.scm b/tests/hackage.scm
index 189b9af173..38f75b268e 100644
--- a/tests/hackage.scm
+++ b/tests/hackage.scm
@@ -309,6 +309,108 @@ (define test-cabal-flag-executable
 (test-assert "hackage->guix-package test flag executable"
   (eval-test-with-cabal test-cabal-flag-executable match-ghc-foo))
 
+;; Check if-elif-else statements
+(define test-cabal-if
+  "name: foo
+version: 1.0.0
+homepage: http://test.org
+synopsis: synopsis
+description: description
+license: BSD3
+library
+  if os(first)
+    Build-depends: ghc-c
+")
+
+(define test-cabal-else
+  "name: foo
+version: 1.0.0
+homepage: http://test.org
+synopsis: synopsis
+description: description
+license: BSD3
+library
+  if os(first)
+    Build-depends: ghc-a
+  else
+    Build-depends: ghc-c
+")
+
+(define test-cabal-elif
+  "name: foo
+version: 1.0.0
+homepage: http://test.org
+synopsis: synopsis
+description: description
+license: BSD3
+library
+  if os(first)
+    Build-depends: ghc-a
+  elif os(second)
+    Build-depends: ghc-b
+  elif os(guix)
+    Build-depends: ghc-c
+  elif os(third)
+    Build-depends: ghc-d
+  else
+    Build-depends: ghc-e
+")
+
+;; Try the same with different bracket styles
+(define test-cabal-elif-brackets
+  "name: foo
+version: 1.0.0
+homepage: http://test.org
+synopsis: synopsis
+description: description
+license: BSD3
+library
+  if os(first) {
+    Build-depends: ghc-a
+  }
+  elif os(second)
+    Build-depends: ghc-b
+  elif os(guix) { Build-depends: ghc-c }
+  elif os(third) {
+    Build-depends: ghc-d }
+  else
+    Build-depends: ghc-e
+")
+
+(define-package-matcher match-ghc-elif
+  ('package
+    ('name "ghc-foo")
+    ('version "1.0.0")
+    ('source
+     ('origin
+       ('method 'url-fetch)
+       ('uri ('hackage-uri "foo" 'version))
+       ('sha256
+        ('base32
+         (? string? hash)))))
+    ('build-system 'haskell-build-system)
+    ('inputs ('list 'ghc-c))
+    ('home-page "http://test.org")
+    ('synopsis (? string?))
+    ('description (? string?))
+    ('license 'license:bsd-3)))
+
+(test-assert "hackage->guix-package test lonely if statement"
+  (eval-test-with-cabal test-cabal-else match-ghc-elif
+                        #:cabal-environment '(("os" . "guix"))))
+
+(test-assert "hackage->guix-package test else statement"
+  (eval-test-with-cabal test-cabal-else match-ghc-elif
+                        #:cabal-environment '(("os" . "guix"))))
+
+(test-assert "hackage->guix-package test elif statement"
+  (eval-test-with-cabal test-cabal-elif match-ghc-elif
+                        #:cabal-environment '(("os" . "guix"))))
+
+(test-assert "hackage->guix-package test elif statement with brackets"
+  (eval-test-with-cabal test-cabal-elif-brackets match-ghc-elif
+                        #:cabal-environment '(("os" . "guix"))))
+
 ;; Check Hackage Cabal revisions.
 (define test-cabal-revision
   "name: foo
-- 
2.35.1
From dad8dbb8dde18716921523b5db722a168410740a Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Sat, 30 Apr 2022 15:39:34 +0200
Subject: [PATCH 2/5] import: cabal: Allow curly brackets in more positions.

* guix/import/cabal.scm (is-layout-property): Do not expect end of line.
(lex-layout-property): Check for newline.
(lex-property): Stop reading on closing curly bracket.
* tests/hackage.scm (test-read-cabal-2): New variable.
("read-cabal test: if brackets on the same line"): New test.
---
guix/import/cabal.scm | 11 ++++++++---
tests/hackage.scm | 16 ++++++++++++++++
2 files changed, 24 insertions(+), 3 deletions(-)

Toggle diff (72 lines)
diff --git a/guix/import/cabal.scm b/guix/import/cabal.scm
index e1a082a31a..364fcc3176 100644
--- a/guix/import/cabal.scm
+++ b/guix/import/cabal.scm
@@ -354,7 +354,7 @@ (define* (make-rx-matcher pat #:optional (flag #f))
                 (make-regexp pat))))
     (cut regexp-exec rx <>)))
 
-(define is-layout-property (make-rx-matcher "([a-z0-9-]+)[ \t]*:[ \t]*(\\w?[^{}]*)$"
+(define is-layout-property (make-rx-matcher "([a-z0-9-]+)[ \t]*:[ \t]*(\\w?[^{}]*)"
                                             regexp/icase))
 
 (define is-braced-property (make-rx-matcher "([a-z0-9-]+)[ \t]*:[ \t]*\\{[ \t]*$"
@@ -465,7 +465,10 @@ (define (lex-layout-property k-v-rx-res loc port)
         (value (match:substring k-v-rx-res 2)))
     (make-lexical-token
      'PROPERTY loc
-     (list key `(,(read-value port value (current-indentation)))))))
+     (list key `(,(if (eqv? (peek-char port) #\newline) ; The next character
+                      ; is not necessarily a newline if a bracket follows the property.
+                      (read-value port value (current-indentation))
+                      value))))))
 
 (define (lex-braced-property k-rx-res loc port)
   (let ((key (string-downcase (match:substring k-rx-res 1))))
@@ -600,7 +603,9 @@ (define (lex-line port loc)
      (else (unread-string s port) #f))))
 
 (define (lex-property port loc)
-  (let* ((s (read-delimited "\n" port 'peek)))
+  ;; Stop reading on a }, so closing brackets (for example during
+  ;; if-clauses) work properly.
+  (let* ((s (read-delimited "\n}" port 'peek)))
     (cond
       ((is-braced-property s) => (cut lex-braced-property <> loc port))
       ((is-layout-property s) => (cut lex-layout-property <> loc port))
diff --git a/tests/hackage.scm b/tests/hackage.scm
index 38f75b268e..15309a3381 100644
--- a/tests/hackage.scm
+++ b/tests/hackage.scm
@@ -156,6 +156,12 @@ (define test-read-cabal-1
   Exposed-Modules:
     Test.QuickCheck.Exception")
 
+(define test-read-cabal-2
+  "name: test-me
+common defaults
+    if os(foobar) { cc-options: -DBARBAZ }
+") ; Intentional newline.
+
 (test-begin "hackage")
 
 (define-syntax-rule (define-package-matcher name pattern)
@@ -471,6 +477,16 @@ (define-package-matcher match-ghc-foo-revision
      #t)
     (x (pk 'fail x #f))))
 
+(test-assert "read-cabal test: if brackets on the same line"
+  (match (call-with-input-string test-read-cabal-2 read-cabal)
+    ((("name" ("test-me"))
+        ('section 'common "defaults"
+          (('if ('os "foobar")
+               (("cc-options" ("-DBARBAZ ")))
+               ()))))
+     #t)
+    (x (pk 'fail x #f))))
+
 (define test-cabal-import
   "name: foo
 version: 1.0.0
-- 
2.35.1
From ba96d2e9af8f0b952bfa90f548e4e06dbdec4777 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Sat, 30 Apr 2022 15:39:51 +0200
Subject: [PATCH 3/5] import: cabal: Allow properties without space between key
and value.

* guix/import/cabal.scm (lex-word): Add colon to delimiters.
* tests/hackage.scm (test-cabal-property-no-space): New variable.
("hackage->guix-package test properties without space"): New test.
---
guix/import/cabal.scm | 2 +-
tests/hackage.scm | 19 +++++++++++++++++++
2 files changed, 20 insertions(+), 1 deletion(-)

Toggle diff (45 lines)
diff --git a/guix/import/cabal.scm b/guix/import/cabal.scm
index 364fcc3176..9f3862fa14 100644
--- a/guix/import/cabal.scm
+++ b/guix/import/cabal.scm
@@ -573,7 +573,7 @@ (define (lex-single-char port loc)
 (define (lex-word port loc)
   "Process tokens which can be recognized by reading the next word form PORT.
 LOC is the current port location."
-  (let* ((w (read-delimited " <>=()\t\n" port 'peek)))
+  (let* ((w (read-delimited " <>=():\t\n" port 'peek)))
     (cond ((is-if w) (lex-if loc))
           ((is-elif w) (lex-elif loc))
           ((is-test w port) (lex-test w loc))
diff --git a/tests/hackage.scm b/tests/hackage.scm
index 15309a3381..4ce48b6baf 100644
--- a/tests/hackage.scm
+++ b/tests/hackage.scm
@@ -315,6 +315,25 @@ (define test-cabal-flag-executable
 (test-assert "hackage->guix-package test flag executable"
   (eval-test-with-cabal test-cabal-flag-executable match-ghc-foo))
 
+;; There is no mandatory space between property name and value.
+(define test-cabal-property-no-space
+  "name:foo
+version:1.0.0
+homepage:http://test.org
+synopsis:synopsis
+description:description
+license:BSD3
+common bench-defaults
+  ghc-options:-Wall
+executable cabal
+  build-depends:
+    HTTP       >= 4000.2.5 && < 4000.3,
+    mtl        >= 2.0      && < 3
+")
+
+(test-assert "hackage->guix-package test properties without space"
+  (eval-test-with-cabal test-cabal-property-no-space match-ghc-foo))
+
 ;; Check if-elif-else statements
 (define test-cabal-if
   "name: foo
-- 
2.35.1
From 5f4e1c75a34744f04916e1db8056669e20708ef0 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Sun, 1 May 2022 08:34:42 +0200
Subject: [PATCH 4/5] import: cabal: Allow curly bracket before else statement.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* guix/import/cabal.scm (is-else): Turn into procedure.
(lex-line): Move IS-ELSE…
(lex-word): …here.
* tests/hackage.scm (test-cabal-elif-brackets): Extend testcase.
---
guix/import/cabal.scm | 4 ++--
tests/hackage.scm | 5 ++++-
2 files changed, 6 insertions(+), 3 deletions(-)

Toggle diff (47 lines)
diff --git a/guix/import/cabal.scm b/guix/import/cabal.scm
index 9f3862fa14..8f59a63cb9 100644
--- a/guix/import/cabal.scm
+++ b/guix/import/cabal.scm
@@ -384,7 +384,7 @@ (define is-benchmark (make-rx-matcher "^benchmark +([a-z0-9_-]+)"
 
 (define is-lib (make-rx-matcher "^library *" regexp/icase))
 
-(define is-else (make-rx-matcher "^else" regexp/icase))
+(define (is-else s) (string-ci=? s "else"))
 
 (define (is-elif s) (string-ci=? s "elif"))
 
@@ -576,6 +576,7 @@ (define (lex-word port loc)
   (let* ((w (read-delimited " <>=():\t\n" port 'peek)))
     (cond ((is-if w) (lex-if loc))
           ((is-elif w) (lex-elif loc))
+          ((is-else w) (lex-else loc))
           ((is-test w port) (lex-test w loc))
           ((is-true w) (lex-true loc))
           ((is-false w) (lex-false loc))
@@ -599,7 +600,6 @@ (define (lex-line port loc)
      ((is-custom-setup s) => (cut lex-custom-setup <> loc))
      ((is-benchmark s) => (cut lex-benchmark <> loc))
      ((is-lib s) (lex-lib loc))
-     ((is-else s) (lex-else loc))
      (else (unread-string s port) #f))))
 
 (define (lex-property port loc)
diff --git a/tests/hackage.scm b/tests/hackage.scm
index 4ce48b6baf..98f9c34fd2 100644
--- a/tests/hackage.scm
+++ b/tests/hackage.scm
@@ -398,7 +398,10 @@ (define test-cabal-elif-brackets
   elif os(guix) { Build-depends: ghc-c }
   elif os(third) {
     Build-depends: ghc-d }
-  else
+  elif os(fourth)
+  {
+    Build-depends: ghc-d
+  } else
     Build-depends: ghc-e
 ")
 
-- 
2.35.1
From bd67403967e86d41235ef3af2e142869bc6c5c48 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Sat, 14 May 2022 15:38:14 +0200
Subject: [PATCH 5/5] import: cabal: Document failing syntax through tests.

* tests/hackage.scm (test-read-cabal-brackets-newline): New variable.
(test-cabal-no-final-newline): Likewise.
("hackage->guix-package test without final newline",
"read-cabal test: property brackets on new line"): New tests.
---
tests/hackage.scm | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)

Toggle diff (61 lines)
diff --git a/tests/hackage.scm b/tests/hackage.scm
index 98f9c34fd2..d7ecd0cc21 100644
--- a/tests/hackage.scm
+++ b/tests/hackage.scm
@@ -162,6 +162,16 @@ (define test-read-cabal-2
     if os(foobar) { cc-options: -DBARBAZ }
 ") ; Intentional newline.
 
+;; Test opening bracket on new line.
+(define test-read-cabal-brackets-newline
+  "name: test-me
+common defaults
+    build-depends:
+    {  foobar
+    ,  barbaz
+    }
+")
+
 (test-begin "hackage")
 
 (define-syntax-rule (define-package-matcher name pattern)
@@ -334,6 +344,21 @@ (define test-cabal-property-no-space
 (test-assert "hackage->guix-package test properties without space"
   (eval-test-with-cabal test-cabal-property-no-space match-ghc-foo))
 
+;; There may be no final newline terminating a property.
+(define test-cabal-no-final-newline
+"name: foo
+version: 1.0.0
+homepage: http://test.org
+synopsis: synopsis
+description: description
+license: BSD3
+executable cabal
+  build-depends: HTTP       >= 4000.2.5 && < 4000.3, mtl        >= 2.0      && < 3")
+
+(test-expect-fail 1)
+(test-assert "hackage->guix-package test without final newline"
+  (eval-test-with-cabal test-cabal-no-final-newline match-ghc-foo))
+
 ;; Check if-elif-else statements
 (define test-cabal-if
   "name: foo
@@ -509,6 +534,15 @@ (define-package-matcher match-ghc-foo-revision
      #t)
     (x (pk 'fail x #f))))
 
+(test-expect-fail 1)
+(test-assert "read-cabal test: property brackets on new line"
+  (match (call-with-input-string test-read-cabal-brackets-newline read-cabal)
+    ((("name" ("test-me"))
+        ('section 'common "defaults"
+          (("build-depends" ("foobar ,  barbaz")))))
+     #t)
+    (x (pk 'fail x #f))))
+
 (define test-cabal-import
   "name: foo
 version: 1.0.0
-- 
2.35.1
P
P
Philip Munksgaard wrote on 16 May 21:08 +0200
(name . Lars-Dominik Braun)(address . lars@6xq.net)(name . John Kehayias)(address . bug-guix@gnu.org)
7c74e5b9-6c37-4b9b-aa3b-40a4a5373e03@www.fastmail.com
Hi Lars

On Sat, 14 May 2022, at 15:53, Lars-Dominik Braun wrote:
Toggle quote (8 lines)
> attached patch series fixes the import for `raaz` by adding support for
> elif and other minor adjustments. There still is syntax we do not support,
> most importantly mixed indentation, which is already documented as xfail
> via a testcase. I’m adding a few more.
>
> Could you have a look please if these make sense?
>

Looks like it works! Unfortunately, building raaz still fails (first because of the description, then because some internal libraries are added as external dependencies, and then for... other reasons I haven't figured out. But all of those are separate issues.
L
L
Lars-Dominik Braun wrote on 22 May 11:55 +0200
(name . Philip Munksgaard)(address . philip@munksgaard.me)(address . 54752@debbugs.gnu.org)
YooIdNFy+tukdkN2@noor.fritz.box
Hi Philip,

thank you!

Toggle quote (2 lines)
> Unfortunately, building raaz still fails (first because of the description, then because some internal libraries are added as external dependencies, and then for... other reasons I haven't figured out. But all of those are separate issues.

You’re right, it fails with this error for me, which indicates haskell-build-system has a bug _somewhere_.

---snip---
starting phase `register'
running "runhaskell Setup.hs" with command "register" and parameters ("--gen-pkg-config=/gnu/store/8m0w1688syvcmhjr2ym1max430jmwjag-ghc-raaz-0.3.6/ghc-raaz-0.3.6.conf")
error: in phase 'register': uncaught exception:
system-error "fport_read" "~A" ("Is a directory") (21)
phase `register' failed after 6.9 seconds
Backtrace:
11 (primitive-load "/gnu/store/jpf2lwn33nq08nkqrkr5q232c51…")
In guix/build/gnu-build-system.scm:
906:2 10 (gnu-build #:source _ #:outputs _ #:inputs _ #:phases . #)
In ice-9/boot-9.scm:
1752:10 9 (with-exception-handler _ _ #:unwind? _ # _)
In srfi/srfi-1.scm:
634:9 8 (for-each #<procedure 7ffff2048e20 at guix/build/gnu-b…> …)
In ice-9/boot-9.scm:
1752:10 7 (with-exception-handler _ _ #:unwind? _ # _)
In guix/build/gnu-build-system.scm:
927:23 6 (_)
In guix/build/haskell-build-system.scm:
244:23 5 (register #:name _ #:system _ #:inputs _ #:outputs _)
In ice-9/ports.scm:
433:17 4 (call-with-input-file _ _ #:binary _ #:encoding _ # _)
In ice-9/rdelim.scm:
160:18 3 (read-string _)
In unknown file:
2 (read-char #<input: /gnu/store/8m0w1688syvcmhjr2ym1max4…>)
In ice-9/boot-9.scm:
1685:16 1 (raise-exception _ #:continuable? _)
1685:16 0 (raise-exception _ #:continuable? _)

ice-9/boot-9.scm:1685:16: In procedure raise-exception:
In procedure fport_read: Is a directory
---snap---

Cheers,
Lars
P
P
Philip Munksgaard wrote on 2 Jun 11:54 +0200
(name . Lars-Dominik Braun)(address . lars@6xq.net)(address . 54752@debbugs.gnu.org)
d57680ba-11eb-4f11-95e8-cc50066cb3fb@www.fastmail.com
On Sun, 22 May 2022, at 11:55, Lars-Dominik Braun wrote:
Toggle quote (10 lines)
> Hi Philip,
>
> thank you!
>
>> Unfortunately, building raaz still fails (first because of the description, then because some internal libraries are added as external dependencies, and then for... other reasons I haven't figured out. But all of those are separate issues.
>
> You’re right, it fails with this error for me, which indicates
> haskell-build-system has a bug _somewhere_.
>

Yes, I don't think that should hold back these patches from going into wip-haskell.
L
L
Lars-Dominik Braun wrote on 6 Jun 13:31 +0200
(name . Philip Munksgaard)(address . philip@munksgaard.me)(address . 54752-done@debbugs.gnu.org)
Yp3lmw9e4omrS8d8@noor.fritz.box
Hi,

fix pushed to master in commit 2c5d18e421e6c06f4a969f98585ec41aae8eb2e4.

Cheers,
Lars
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