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63eb4a2a91
* gnu/packages/patches/ghostscript-no-header-uuid.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/ghostscript.scm (ghostscript): Use it.
50 lines
2.5 KiB
Diff
50 lines
2.5 KiB
Diff
This patch makes the UUIDs in the XMP header optional, depending on the
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setting of the environment variable GS_GENERATE_UUIDS.
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If the environment variable GS_GENERATE_UUIDS is set to "0" or "no", it will
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not write out the Document UUID field and also will write the Instance ID
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field value as "".
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Upstream does not want to do this.
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See: https://bugs.ghostscript.com/show_bug.cgi?id=698208
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diff -ur orig/gnu-ghostscript-9.14.0/devices/vector/gdevpdfe.c aa/gnu-ghostscript-9.14.0/devices/vector/gdevpdfe.c
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--- orig/gnu-ghostscript-9.14.0/devices/vector/gdevpdfe.c 2017-07-09 23:30:28.960479189 +0200
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+++ gnu-ghostscript-9.14.0/devices/vector/gdevpdfe.c 2017-07-10 01:04:12.252478276 +0200
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@@ -617,7 +617,7 @@
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return code;
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/* PDF/A XMP reference recommends setting UUID to empty. If not empty must be a URI */
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- if (pdev->PDFA != 0)
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+ if (pdev->PDFA != 0 || (getenv("GS_GENERATE_UUIDS") && (strcasecmp(getenv("GS_GENERATE_UUIDS"), "0") == 0 || strcasecmp(getenv("GS_GENERATE_UUIDS"), "no") == 0)))
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instance_uuid[0] = 0x00;
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cre_date_time_len = pdf_get_docinfo_item(pdev, "/CreationDate", cre_date_time, sizeof(cre_date_time));
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@@ -719,15 +719,18 @@
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pdf_xml_tag_close(s, "rdf:Description");
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pdf_xml_newline(s);
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- pdf_xml_tag_open_beg(s, "rdf:Description");
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- pdf_xml_attribute_name(s, "rdf:about");
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- pdf_xml_attribute_value(s, instance_uuid);
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- pdf_xml_attribute_name(s, "xmlns:xapMM");
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- pdf_xml_attribute_value(s, "http://ns.adobe.com/xap/1.0/mm/");
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- pdf_xml_attribute_name(s, "xapMM:DocumentID");
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- pdf_xml_attribute_value(s, document_uuid);
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- pdf_xml_tag_end_empty(s);
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- pdf_xml_newline(s);
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+ if (!getenv("GS_GENERATE_UUIDS") || (strcasecmp(getenv("GS_GENERATE_UUIDS"), "0") != 0 && strcasecmp(getenv("GS_GENERATE_UUIDS"), "no") != 0))
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+ {
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+ pdf_xml_tag_open_beg(s, "rdf:Description");
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+ pdf_xml_attribute_name(s, "rdf:about");
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+ pdf_xml_attribute_value(s, instance_uuid);
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+ pdf_xml_attribute_name(s, "xmlns:xapMM");
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+ pdf_xml_attribute_value(s, "http://ns.adobe.com/xap/1.0/mm/");
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+ pdf_xml_attribute_name(s, "xapMM:DocumentID");
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+ pdf_xml_attribute_value(s, document_uuid);
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+ pdf_xml_tag_end_empty(s);
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+ pdf_xml_newline(s);
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+ }
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pdf_xml_tag_open_beg(s, "rdf:Description");
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pdf_xml_attribute_name(s, "rdf:about");
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