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The previous git-p4 unshelve support would check for changes
in Perforce to the files being unshelved since the original
shelve, and would complain if any were found.
This was to ensure that the user wouldn't end up with both the
shelved change delta, and some deltas from other changes in their
git commit.
e.g. given fileA:
the
quick
brown
fox
change1: s/the/The/ <- p4 shelve this change
change2: s/fox/Fox/ <- p4 submit this change
git p4 unshelve 1 <- FAIL
This change teaches the P4Unshelve class to always create a parent
commit which matches the P4 tree (for the files being unshelved) at
the point prior to the P4 shelve being created (which is reported
in the p4 description for a shelved changelist).
That then means git-p4 can always create a git commit matching the
P4 shelve that was originally created, without any extra deltas.
The user might still need to use the --origin option though - there
is no way for git-p4 to work out the versions of all of the other
*unchanged* files in the shelve, since this information is not recorded
by Perforce.
Additionally this fixes handling of shelved 'move' operations.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The branch detection code looks for branches under refs/remotes/p4/...
and can end up getting confused if there are unshelved changes in
there as well. This happens in the function p4BranchesInGit().
Instead, put the unshelved changes into refs/remotes/p4-unshelved/<N>.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This can be used to "unshelve" a shelved P4 commit into
a git commit.
For example:
$ git p4 unshelve 12345
The resulting commit ends up in the branch:
refs/remotes/p4/unshelved/12345
If that branch already exists, it is renamed - for example
the above branch would be saved as p4/unshelved/12345.1.
git-p4 checks that the shelved changelist is based on files
which are at the same Perforce revision as the origin branch
being used for the unshelve (HEAD by default). If they are not,
it will refuse to unshelve. This is to ensure that the unshelved
change does not contain other changes mixed-in.
The reference branch can be changed manually with the "--origin"
option.
The change adds a new Unshelve command class. This just runs the
existing P4Sync code tweaked to handle a shelved changelist.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Luke Diamand