[MSHADE-420] Reproducible Builds timestamp issue in some cases (original) (raw)

seen in Tika https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/org/apache/tika/tika-2.4.0.diffoscope

maven-shade-plugin 3.2.4 has an issue with timestamps in unexplained circumstances:
why does 21-Nov-20 20:25 from reference become 21-Nov-21 01:25 in rebuild?
why does 20-May-14 07:15 from reference become 20-May-14 11:15 in rebuild?
could be related to the timezone of the rebuilder?

21 / 44 target/reference/tika-parser-nlp-package-2.4.0.jar tika-parsers/tika-parsers-ml/tika-parser-nlp-package/target/tika-parser-nlp-package-2.4.0.jar --- target/reference/tika-parser-nlp-package-2.4.0.jar +++ tika-parsers/tika-parsers-ml/tika-parser-nlp-package/target/tika-parser-nlp-package-2.4.0.jar ├── zipinfo {} │ @@ -9868,1231 +9868,1231 @@ │ -rw---- 2.0 fat 932 bl defN 22-Apr-08 17:41 schemas/wsdl/xmime.xsd │ -rw---- 2.0 fat 5840 bl defN 22-Apr-08 17:41 schemas/wsdl/xml.xsd │ --rw---- 2.0 fat 0 bl defN 21-Nov-20 20:25 META-INF/maven/com.fasterxml.woodstox/ │ --rw---- 2.0 fat 0 bl defN 21-Nov-20 20:25 META-INF/maven/com.fasterxml.woodstox/woodstox-core/ │ --rw---- 2.0 fat 70 bl defN 21-Nov-20 20:25 META-INF/maven/com.fasterxml.woodstox/woodstox-core/pom.properties │ --rw---- 2.0 fat 15917 bl defN 21-Nov-20 20:25 META-INF/maven/com.fasterxml.woodstox/woodstox-core/pom.xml ... │ --rw---- 2.0 fat 722 bl defN 20-May-14 07:15 org/codehaus/stax2/validation/XMLValidationSchema.class │ --rw---- 2.0 fat 7795 bl defN 20-May-14 07:15 org/codehaus/stax2/validation/XMLValidationSchemaFactory.class │ --rw---- 2.0 fat 1801 bl defN 20-May-14 07:15 org/codehaus/stax2/validation/XMLValidator.class │ +-rw---- 2.0 fat 0 bl defN 21-Nov-21 01:25 META-INF/maven/com.fasterxml.woodstox/ │ +-rw---- 2.0 fat 0 bl defN 21-Nov-21 01:25 META-INF/maven/com.fasterxml.woodstox/woodstox-core/ │ +-rw---- 2.0 fat 70 bl defN 21-Nov-21 01:25 META-INF/maven/com.fasterxml.woodstox/woodstox-core/pom.properties │ +-rw---- 2.0 fat 15917 bl defN 21-Nov-21 01:25 META-INF/maven/com.fasterxml.woodstox/woodstox-core/pom.xml ... │ +-rw---- 2.0 fat 722 bl defN 20-May-14 11:15 org/codehaus/stax2/validation/XMLValidationSchema.class │ +-rw---- 2.0 fat 7795 bl defN 20-May-14 11:15 org/codehaus/stax2/validation/XMLValidationSchemaFactory.class │ +-rw---- 2.0 fat 1801 bl defN 20-May-14 11:15 org/codehaus/stax2/validation/XMLValidator.class │ -rw---- 2.0 fat 0 bl defN 21-Sep-14 14:41 META-INF/maven/org.apache.ws.xmlschema/ │ -rw---- 2.0 fat 0 bl defN 21-Sep-14 14:41 META-INF/maven/org.apache.ws.xmlschema/xmlschema-core/ │ -rw---- 2.0 fat 146 bl defN 21-Sep-14 14:41 META-INF/maven/org.apache.ws.xmlschema/xmlschema-core/pom.properties │ -rw---- 2.0 fat 6857 bl defN 21-Sep-14 14:41 META-INF/maven/org.apache.ws.xmlschema/xmlschema-core/pom.xml

is related to

Improvement - An improvement or enhancement to an existing feature or task. MARTIFACT-32 Add new plugins issues/fixes

is superceded by

Bug - A problem which impairs or prevents the functions of the product. MSHADE-471 still timestamp issues with timezones (DST)

relates to

Bug - A problem which impairs or prevents the functions of the product. MSHADE-352 shaded jars are not reproducible when using transformer

New Feature - A new feature of the product, which has yet to be developed. MSHADE-347 Reproducible Builds: make entries in output jar files reproducible

links to