upstream/mercurial-mirror Files · tests/svn/svndump-tags.sh

convert/svn: do not try converting empty head revisions (issue3347)...

convert/svn: do not try converting empty head revisions (issue3347) Subversion conversion works by picking trunk and branches heads, computing a revision graph from them and converting the selected commits. By design we fail to convert empty revisions so we have to be careful when discovering the revision graph. In this particular issue, the source svn repository was a partial mirror made by svnsync. The funny part is svnsync preserves all revisions including empty ones. Also, we trusted ra.stat(path, stop).created_rev to give us the latest revision with changes in path history up to stop. This assumption broke at least when path is '', that is the repository root, which always returned 'stop' revision despited being empty. The workaround is to first trust ra.stat() but if the returned revision appear empty, search the whole path history from stop to r1 until some changes are found.

Patrick Mezard - - Load All Authors

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             svndump-tags.sh
        
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      #!/bin/sh

      #

      # Use this script to generate tags.svndump

      #

      mkdir temp

      cd temp

      mkdir project-orig

      cd project-orig

      mkdir trunk

      mkdir branches

      mkdir tags

      mkdir unrelated

      cd ..

      svnadmin create svn-repo

      svnurl=file://`pwd`/svn-repo

      svn import project-orig $svnurl -m "init projA"

      svn co $svnurl project

      cd project

      echo a > trunk/a

      svn add trunk/a

      svn ci -m adda

      echo a >> trunk/a

      svn ci -m changea

      echo a >> trunk/a

      svn ci -m changea2

      # Add an unrelated commit to test that tags are bound to the

      # correct "from" revision and not a dummy one

      echo a >> unrelated/dummy

      svn add unrelated/dummy

      svn ci -m unrelatedchange

      # Tag current revision

      svn up

      svn copy trunk tags/trunk.v1

      svn copy trunk tags/trunk.badtag

      svn ci -m "tagging trunk.v1 trunk.badtag"

      echo a >> trunk/a

      svn ci -m changea3

      # Fix the bad tag

      # trunk.badtag should not show in converted tags

      svn up

      svn mv tags/trunk.badtag tags/trunk.goodtag

      svn ci -m "fix trunk.badtag"

      echo a >> trunk/a

      svn ci -m changea

      # Delete goodtag and recreate it, to test we pick the good one

      svn rm tags/trunk.goodtag

      svn ci -m removegoodtag

      svn up

      svn copy trunk tags/trunk.goodtag

      svn ci -m recreategoodtag

      cd ..

      svnadmin dump svn-repo > ../tags.svndump

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				#!/bin/sh
				#
				# Use this script to generate tags.svndump
				#

				mkdir temp
				cd temp

				mkdir project-orig
				cd project-orig
				mkdir trunk
				mkdir branches
				mkdir tags
				mkdir unrelated
				cd ..

				svnadmin create svn-repo
				svnurl=file://`pwd`/svn-repo
				svn import project-orig $svnurl -m "init projA"

				svn co $svnurl project
				cd project
				echo a > trunk/a
				svn add trunk/a
				svn ci -m adda
				echo a >> trunk/a
				svn ci -m changea
				echo a >> trunk/a
				svn ci -m changea2
				# Add an unrelated commit to test that tags are bound to the
				# correct "from" revision and not a dummy one
				echo a >> unrelated/dummy
				svn add unrelated/dummy
				svn ci -m unrelatedchange
				# Tag current revision
				svn up
				svn copy trunk tags/trunk.v1
				svn copy trunk tags/trunk.badtag
				svn ci -m "tagging trunk.v1 trunk.badtag"
				echo a >> trunk/a
				svn ci -m changea3
				# Fix the bad tag
				# trunk.badtag should not show in converted tags
				svn up
				svn mv tags/trunk.badtag tags/trunk.goodtag
				svn ci -m "fix trunk.badtag"
				echo a >> trunk/a
				svn ci -m changea
				# Delete goodtag and recreate it, to test we pick the good one
				svn rm tags/trunk.goodtag
				svn ci -m removegoodtag
				svn up
				svn copy trunk tags/trunk.goodtag
				svn ci -m recreategoodtag
				cd ..

				svnadmin dump svn-repo > ../tags.svndump