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convert: fix git copy file content conversions
There was a bug in the git convert code where if you copied a file and modified
the copy source in the same commit, and if the copy dest was alphabetically
earlier than the copy source, the converted version would use the copy dest
contents for both the source and the target.
The root of the bug is that the git diff-tree output is formatted like so:
:<mode> <mode> <oldhash> <newhash> <state> <src> <dest>
:100644 100644 c1ab79a15... 3dfc779ab... C069 oldname newname
:100644 100644 c1ab79a15... 03e2188a6... M oldname
The old code would always take the 'oldname' field as the name of the file being
processed, then it would try to do an extra convert for the newname. This works
for renames because it does a delete for the oldname and a create for the
newname.
For copies though, it ends up associating the copied content (3dfc779ab above)
with the oldname. It only happened when the dest was alphabetically before
because that meant the copy got processed before the modification.
The fix is the treat copy lines as affecting only the newname, and not marking
the oldname as processed.
| author | Durham Goode <durham@fb.com> |
|---|---|
| date | Thu, 06 Aug 2015 17:21:46 -0700 |
| parents | 965b11c1bd82 |
| children |
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SVN-fs-dump-format-version: 2 UUID: a9c3b03d-cffa-4248-8023-ecf4b2bdf5d5 Revision-number: 0 Prop-content-length: 56 Content-length: 56 K 8 svn:date V 27 2009-04-29T19:26:51.708679Z PROPS-END Revision-number: 1 Prop-content-length: 112 Content-length: 112 K 7 svn:log V 10 init projA K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:26:52.115023Z PROPS-END Node-path: branches Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: tags Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: trunk Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: unrelated Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Revision-number: 2 Prop-content-length: 105 Content-length: 105 K 7 svn:log V 4 adda K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:26:53.109819Z PROPS-END Node-path: trunk/a Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: 60b725f10c9c85c70d97880dfe8191b3 Text-content-sha1: 3f786850e387550fdab836ed7e6dc881de23001b Content-length: 12 PROPS-END a Revision-number: 3 Prop-content-length: 108 Content-length: 108 K 7 svn:log V 7 changea K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:26:54.073017Z PROPS-END Node-path: trunk/a Node-kind: file Node-action: change Text-content-length: 4 Text-content-md5: 0d227f1abf8c2932d342e9b99cc957eb Text-content-sha1: d7c8127a20a396cff08af086a1c695b0636f0c29 Content-length: 4 a a Revision-number: 4 Prop-content-length: 109 Content-length: 109 K 7 svn:log V 8 changea2 K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:26:55.076032Z PROPS-END Node-path: trunk/a Node-kind: file Node-action: change Text-content-length: 6 Text-content-md5: 7d4ebf8f298d22fc349a91725b00af1c Text-content-sha1: 92f31bc48f52339253fce6cad9f2f0c95b302f7e Content-length: 6 a a a Revision-number: 5 Prop-content-length: 117 Content-length: 117 K 7 svn:log V 15 unrelatedchange K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:26:56.095784Z PROPS-END Node-path: unrelated/dummy Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: 60b725f10c9c85c70d97880dfe8191b3 Text-content-sha1: 3f786850e387550fdab836ed7e6dc881de23001b Content-length: 12 PROPS-END a Revision-number: 6 Prop-content-length: 131 Content-length: 131 K 7 svn:log V 29 tagging trunk.v1 trunk.badtag K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:27:00.074864Z PROPS-END Node-path: tags/trunk.badtag Node-kind: dir Node-action: add Node-copyfrom-rev: 5 Node-copyfrom-path: trunk Node-path: tags/trunk.v1 Node-kind: dir Node-action: add Node-copyfrom-rev: 5 Node-copyfrom-path: trunk Revision-number: 7 Prop-content-length: 109 Content-length: 109 K 7 svn:log V 8 changea3 K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:27:01.073910Z PROPS-END Node-path: trunk/a Node-kind: file Node-action: change Text-content-length: 8 Text-content-md5: d12178e74d8774e34361e0a08d1fd2b7 Text-content-sha1: cce0b2a263066e26610df9082b7b3c810f71262e Content-length: 8 a a a a Revision-number: 8 Prop-content-length: 118 Content-length: 118 K 7 svn:log V 16 fix trunk.badtag K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:27:04.073542Z PROPS-END Node-path: tags/trunk.goodtag Node-kind: dir Node-action: add Node-copyfrom-rev: 7 Node-copyfrom-path: tags/trunk.badtag Node-path: tags/trunk.badtag Node-action: delete Revision-number: 9 Prop-content-length: 108 Content-length: 108 K 7 svn:log V 7 changea K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:27:05.095204Z PROPS-END Node-path: trunk/a Node-kind: file Node-action: change Text-content-length: 10 Text-content-md5: 3f65cbdca1b64c2f8f574fccae24f3a4 Text-content-sha1: 5c077263421de2abff9dbe867921bc6810811aa2 Content-length: 10 a a a a a Revision-number: 10 Prop-content-length: 115 Content-length: 115 K 7 svn:log V 13 removegoodtag K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:27:06.089193Z PROPS-END Node-path: tags/trunk.goodtag Node-action: delete Revision-number: 11 Prop-content-length: 117 Content-length: 117 K 7 svn:log V 15 recreategoodtag K 10 svn:author V 7 pmezard K 8 svn:date V 27 2009-04-29T19:27:09.070471Z PROPS-END Node-path: tags/trunk.goodtag Node-kind: dir Node-action: add Node-copyfrom-rev: 10 Node-copyfrom-path: trunk