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Diffstat (limited to 'doc/walkthrough.mdwn')
| -rw-r--r-- | doc/walkthrough.mdwn | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/walkthrough.mdwn b/doc/walkthrough.mdwn index 2f868e303..47f05ebcf 100644 --- a/doc/walkthrough.mdwn +++ b/doc/walkthrough.mdwn @@ -277,6 +277,19 @@ add something like this to `.gitattributes`: * annex.backend=SHA1 +## migrating between backends + +Perhaps you had been using the WORM backend, but now have configured +git-annex to use SHA1 for new files. Your old files are still in WORM. How +to migrate that content? A quick and dirty way is to use the unannex +subcommand, which removes a file from git-annex's control, followed by +a re-add of the file, to put it in the new backend. + + # git annex unannex my_cool_big_file + unannex my_cool_big_file ok + # git annex add my_cool_big_file + add my_cool_big_file (checksum ...) ok + ## unused data It's possible for data to accumulate in the annex that no files point to |