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| author | Guillaume Le Vaillant <glv@posteo.net> | 2021-07-19 11:48:12 +0200 |
|---|---|---|
| committer | Guillaume Le Vaillant <glv@posteo.net> | 2021-07-19 12:43:15 +0200 |
| commit | db5962c68099f835350c24c8a3f889b9fa1f8a8e (patch) | |
| tree | 4258d4c39132008051e46c62d2b0bb128cf7354c | |
| parent | 532b2d9a381e1b9dfeeb14795db630c23f6b0826 (diff) | |
| download | guix-db5962c68099f835350c24c8a3f889b9fa1f8a8e.tar.gz | |
gnu: ghostscript: Improve reproducibility of PDF document generation
* gnu/packages/patches/ghostscript-no-header-creationdate.patch: Disable writing "xmp:ModifyDate" and "xmp:CreateDate" if GS_GENERATE_UUIDS is set to "0" or "no".
| -rw-r--r-- | gnu/packages/patches/ghostscript-no-header-creationdate.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gnu/packages/patches/ghostscript-no-header-creationdate.patch b/gnu/packages/patches/ghostscript-no-header-creationdate.patch index 92ddbdade0..b19f3ab5d9 100644 --- a/gnu/packages/patches/ghostscript-no-header-creationdate.patch +++ b/gnu/packages/patches/ghostscript-no-header-creationdate.patch @@ -20,3 +20,25 @@ index 0fb067e..b342e2c 100644 { struct tm tms; time_t t; +--- orig/gnu-ghostscript-9.14.0/devices/vector/gdevpdfe.c ++++ gnu-ghostscript-9.14.0/devices/vector/gdevpdfe.c +@@ -692,6 +692,9 @@ + pdf_xml_attribute_name(s, "xmlns:xmp"); + pdf_xml_attribute_value(s, "http://ns.adobe.com/xap/1.0/"); + pdf_xml_tag_end(s); ++ if (!getenv("GS_GENERATE_UUIDS") || ++ (strcasecmp(getenv("GS_GENERATE_UUIDS"), "0") != 0 && ++ strcasecmp(getenv("GS_GENERATE_UUIDS"), "no") != 0)) + { + pdf_xml_tag_open_beg(s, "xmp:ModifyDate"); + pdf_xml_tag_end(s); +@@ -700,6 +701,9 @@ + pdf_xml_tag_close(s, "xmp:ModifyDate"); + pdf_xml_newline(s); + } ++ if (!getenv("GS_GENERATE_UUIDS") || ++ (strcasecmp(getenv("GS_GENERATE_UUIDS"), "0") != 0 && ++ strcasecmp(getenv("GS_GENERATE_UUIDS"), "no") != 0)) + { + pdf_xml_tag_open_beg(s, "xmp:CreateDate"); + pdf_xml_tag_end(s); |