git - mutliple project branches with maven -


i working pretty large project , want work on multiple branches of it. 1 of @ present older version of other, , poms same. i'd avoid changing version numbers in pom files since may require rewriting of them, , later make merging more tricky. simplest way jars produced mvn clean install don't overwrite ones in different branch placed in .mvn/repository ?

note: working git , found git-new-workdir script (available in git source repo) useful here in @ least allows jars produced in source tree hierarchy co-exist in different subdirectories.

so of course 1 simple answer have repository each branch. eg

  • .m2/repository
  • .m2/branch1/repository

then 1 can run mvn install -o -dmaven.repo.local=~/.m2/branch1/repository

of course nice if 1 clone links old repository not have download files. can done 

$ cd .m2 $ mkdir branch1 $ find repository -type d -exec mkdir branch1/{} \; $ find repository -type f -exec ln {} \;  branch1/{} \;

but repository.xml seems full of absolute directory url pointers. (why can't use relative urls?) anyway, not seem download of them, or @ least compilation lot faster expected.

the solution discovered in comment non-intrusive one.

the next best thing versions-maven-plugin, automates changing poms in different branches. sadly, i'm unaware of component out there allows automate process of discouraging git merging these changes along others.


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