GNU bug report logs - #25414
gdk-pixbuf@2.34.0 does not build deterministically

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: ludo <at> gnu.org (Ludovic Courtès)
Subject: bug#25414: closed (Re: bug#25414: [PATCH] gnu: gdk-pixbuf: Make
 it reproducible.)
Date: Mon, 05 Jun 2017 20:44:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#25414: gdk-pixbuf <at> 2.34.0 does not build deterministically

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 25414 <at> debbugs.gnu.org.

-- 
25414: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=25414
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: ludo <at> gnu.org (Ludovic Courtès)
To: Danny Milosavljevic <dannym <at> scratchpost.org>
Cc: 25414-done <at> debbugs.gnu.org
Subject: Re: bug#25414: [PATCH] gnu: gdk-pixbuf: Make it reproducible.
Date: Mon, 05 Jun 2017 22:43:20 +0200

Danny Milosavljevic <dannym <at> scratchpost.org> skribis:

> Note: Bug report is at <https://bugzilla.gnome.org/show_bug.cgi?id=777332>.

Awesome.

BTW, the patch was committed in Guix in commit
8c6b077bfae3c257ad7b9967f63428f8504d61f0 so we can definitely close it
now.

Thank you!

Ludo’.

[Message part 3 (message/rfc822, inline)]

From: ludo <at> gnu.org (Ludovic Courtès)
To: bug-guix <at> gnu.org
Subject: gdk-pixbuf <at> 2.34.0 does not build deterministically
Date: Wed, 11 Jan 2017 00:06:42 +0100

--8<---------------cut here---------------start------------->8---
ludo <at> ribbon ~/src/guix$ ./pre-inst-env  guix challenge gdk-pixbuf --substitute-urls="https://mirror.hydra.gnu.org https://bayfront.guixsd.org"
updating list of substitutes from 'https://mirror.hydra.gnu.org'... 100.0%
updating list of substitutes from 'https://bayfront.guixsd.org'... 100.0%
guix challenge: warning: no local build for '/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0'
/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0 contents differ:
guix challenge: warning: no local build for '/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0'
  https://mirror.hydra.gnu.org/nar/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0: 1dw8mpw2i5fvvcxsc24dzqqjw43b1rgy2k25ad3z0iahdpq62sdh
  https://bayfront.guixsd.org/nar/gzip/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0: 0h4ff59hjn0libzzm1gvgk0zd0z5r834hfg5n0r61z5m6l6z0x40
ludo <at> ribbon ~/src/guix$ wget -q -O -  https://mirror.hydra.gnu.org/nar/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0 | bunzip2 | guix archive -x /tmp/one
ludo <at> ribbon ~/src/guix$ wget -q -O - https://bayfront.guixsd.org/nar/gzip/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0| gunzip | guix archive -x /tmp/two
ludo <at> ribbon ~/src/guix$ diff -ur /tmp/{one,two}
diff -ur /tmp/one/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache /tmp/two/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache
--- /tmp/one/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache	2017-01-11 00:01:02.297133246 +0100
+++ /tmp/two/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache	2017-01-11 00:01:21.092971961 +0100
@@ -4,24 +4,11 @@
 #
 # LoaderDir = /gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders
 #
-"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jpeg.so"
-"jpeg" 5 "gdk-pixbuf" "JPEG" "LGPL"
-"image/jpeg" ""
-"jpeg" "jpe" "jpg" ""
-"\377\330" "" 100
-
-"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-icns.so"
-"icns" 4 "gdk-pixbuf" "MacOS X icon" "GPL"
-"image/x-icns" ""
-"icns" ""
-"icns" "" 100
-
-"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-qtif.so"
-"qtif" 4 "gdk-pixbuf" "QuickTime" "LGPL"
-"image/x-quicktime" "image/qtif" ""
-"qtif" "qif" ""
-"abcdidsc" "xxxx    " 100
-"abcdidat" "xxxx    " 100
+"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-ani.so"
+"ani" 4 "gdk-pixbuf" "Windows animated cursor" "LGPL"
+"application/x-navi-animation" ""
+"ani" ""
+"RIFF    ACON" "    xxxx    " 100
 
 "/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-gif.so"
 "gif" 4 "gdk-pixbuf" "GIF" "LGPL"
@@ -29,6 +16,38 @@
 "gif" ""
 "GIF8" "" 100
 
+"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-ico.so"
+"ico" 5 "gdk-pixbuf" "Windows icon" "LGPL"
+"image/x-icon" "image/x-ico" "image/x-win-bitmap" "image/vnd.microsoft.icon" "application/ico" "image/ico" "image/icon" "text/ico" ""
+"ico" "cur" ""
+"  \001   " "zz znz" 100
+"  \002   " "zz znz" 100
+
+"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-tiff.so"
+"tiff" 5 "gdk-pixbuf" "TIFF" "LGPL"
+"image/tiff" ""
+"tiff" "tif" ""
+"MM *" "  z " 100
+"II* " "   z" 100
+"II* \020   CR\002 " "   z zzz   z" 0
+
+"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-pnm.so"
+"pnm" 4 "gdk-pixbuf" "PNM/PBM/PGM/PPM" "LGPL"
+"image/x-portable-anymap" "image/x-portable-bitmap" "image/x-portable-graymap" "image/x-portable-pixmap" ""
+"pnm" "pbm" "pgm" "ppm" ""
+"P1" "" 100
+"P2" "" 100
+"P3" "" 100
+"P4" "" 100
+"P5" "" 100
+"P6" "" 100
+
+"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-bmp.so"
+"bmp" 5 "gdk-pixbuf" "BMP" "LGPL"
+"image/bmp" "image/x-bmp" "image/x-MS-bmp" ""
+"bmp" ""
+"BM" "" 100
+
 "/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-xbm.so"
 "xbm" 4 "gdk-pixbuf" "XBM" "LGPL"
 "image/x-xbitmap" ""
@@ -36,11 +55,24 @@
 "#define " "" 100
 "/*" "" 50
 
-"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-bmp.so"
-"bmp" 5 "gdk-pixbuf" "BMP" "LGPL"
-"image/bmp" "image/x-bmp" "image/x-MS-bmp" ""
-"bmp" ""
-"BM" "" 100
+"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jpeg.so"
+"jpeg" 5 "gdk-pixbuf" "JPEG" "LGPL"
+"image/jpeg" ""
+"jpeg" "jpe" "jpg" ""
+"\377\330" "" 100
+
+"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-qtif.so"
+"qtif" 4 "gdk-pixbuf" "QuickTime" "LGPL"
+"image/x-quicktime" "image/qtif" ""
+"qtif" "qif" ""
+"abcdidsc" "xxxx    " 100
+"abcdidat" "xxxx    " 100
+
+"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-icns.so"
+"icns" 4 "gdk-pixbuf" "MacOS X icon" "GPL"
+"image/x-icns" ""
+"icns" ""
+"icns" "" 100
 
 "/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-xpm.so"
 "xpm" 4 "gdk-pixbuf" "XPM" "LGPL"
@@ -48,20 +80,6 @@
 "xpm" ""
 "/* XPM */" "" 100
 
-"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-ani.so"
-"ani" 4 "gdk-pixbuf" "Windows animated cursor" "LGPL"
-"application/x-navi-animation" ""
-"ani" ""
-"RIFF    ACON" "    xxxx    " 100
-
-"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-tiff.so"
-"tiff" 5 "gdk-pixbuf" "TIFF" "LGPL"
-"image/tiff" ""
-"tiff" "tif" ""
-"MM *" "  z " 100
-"II* " "   z" 100
-"II* \020   CR\002 " "   z zzz   z" 0
-
 "/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so"
 "png" 5 "gdk-pixbuf" "PNG" "LGPL"
 "image/png" ""
@@ -79,22 +97,4 @@
 "  \n" "xz " 100
 "  \v" "xz " 100
 
-"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-ico.so"
-"ico" 5 "gdk-pixbuf" "Windows icon" "LGPL"
-"image/x-icon" "image/x-ico" "image/x-win-bitmap" "image/vnd.microsoft.icon" "application/ico" "image/ico" "image/icon" "text/ico" ""
-"ico" "cur" ""
-"  \001   " "zz znz" 100
-"  \002   " "zz znz" 100
-
-"/gnu/store/m4ccn9nzlsbvlj36w45555pq98spy007-gdk-pixbuf-2.34.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-pnm.so"
-"pnm" 4 "gdk-pixbuf" "PNM/PBM/PGM/PPM" "LGPL"
-"image/x-portable-anymap" "image/x-portable-bitmap" "image/x-portable-graymap" "image/x-portable-pixmap" ""
-"pnm" "pbm" "pgm" "ppm" ""
-"P1" "" 100
-"P2" "" 100
-"P3" "" 100
-"P4" "" 100
-"P5" "" 100
-"P6" "" 100
-
--8<---------------cut here---------------end--------------->8---

Presumably ‘gdk-pixbuf-query-loaders’, which generates ‘loaders.cache’,
does not sort the entries returned by readdir(2).

Ludo’.

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