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changelog: parse copy metadata if available in extras...
changelog: parse copy metadata if available in extras This lets read back the copy metadata we just started writing. There are still many places left to teach about getting the copy information from the changeset, but we have enough ({file_copies}, specifically) that we can add it now and have some test coverage of it. Differential Revision: https://phab.mercurial-scm.org/D6186

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test-copies-in-changeset.t
135 lines | 3.2 KiB | text/troff | Tads3Lexer
/ tests / test-copies-in-changeset.t
$ cat >> $HGRCPATH << EOF
> [experimental]
> copies.write-to=changeset-only
> copies.read-from=changeset-only
> [alias]
> changesetcopies = log -r . -T 'files: {files}
> {extras % "{ifcontains("copies", key, "{key}: {value}\n")}"}'
> showcopies = log -r . -T '{file_copies % "{source} -> {name}\n"}'
> EOF
Check that copies are recorded correctly
$ hg init repo
$ cd repo
$ echo a > a
$ hg add a
$ hg ci -m initial
$ hg cp a b
$ hg cp a c
$ hg cp a d
$ hg ci -m 'copy a to b, c, and d'
$ hg changesetcopies
files: b c d
p1copies: b\x00a (esc)
c\x00a (esc)
d\x00a (esc)
$ hg showcopies
a -> b
a -> c
a -> d
$ hg showcopies --config experimental.copies.read-from=compatibility
a -> b
a -> c
a -> d
$ hg showcopies --config experimental.copies.read-from=filelog-only
Check that renames are recorded correctly
$ hg mv b b2
$ hg ci -m 'rename b to b2'
$ hg changesetcopies
files: b b2
p1copies: b2\x00b (esc)
$ hg showcopies
b -> b2
Rename onto existing file. This should get recorded in the changeset files list and in the extras,
even though there is no filelog entry.
$ hg cp b2 c --force
$ hg st --copies
M c
b2
$ hg debugindex c
rev linkrev nodeid p1 p2
0 1 b789fdd96dc2 000000000000 000000000000
$ hg ci -m 'move b onto d'
$ hg changesetcopies
files: c
p1copies: c\x00b2 (esc)
$ hg showcopies
b2 -> c
$ hg debugindex c
rev linkrev nodeid p1 p2
0 1 b789fdd96dc2 000000000000 000000000000
Create a merge commit with copying done during merge.
$ hg co 0
0 files updated, 0 files merged, 3 files removed, 0 files unresolved
$ hg cp a e
$ hg cp a f
$ hg ci -m 'copy a to e and f'
created new head
$ hg merge 3
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
File 'a' exists on both sides, so 'g' could be recorded as being from p1 or p2, but we currently
always record it as being from p1
$ hg cp a g
File 'd' exists only in p2, so 'h' should be from p2
$ hg cp d h
File 'f' exists only in p1, so 'i' should be from p1
$ hg cp f i
$ hg ci -m 'merge'
$ hg changesetcopies
files: g h i
p1copies: g\x00a (esc)
i\x00f (esc)
p2copies: h\x00d (esc)
$ hg showcopies
a -> g
d -> h
f -> i
Test writing to both changeset and filelog
$ hg cp a j
$ hg ci -m 'copy a to j' --config experimental.copies.write-to=compatibility
$ hg changesetcopies
files: j
p1copies: j\x00a (esc)
$ hg debugdata j 0
\x01 (esc)
copy: a
copyrev: b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3
\x01 (esc)
a
$ hg showcopies
a -> j
$ hg showcopies --config experimental.copies.read-from=compatibility
a -> j
$ hg showcopies --config experimental.copies.read-from=filelog-only
a -> j
Test writing only to filelog
$ hg cp a k
$ hg ci -m 'copy a to k' --config experimental.copies.write-to=filelog-only
$ hg changesetcopies
files: k
$ hg debugdata k 0
\x01 (esc)
copy: a
copyrev: b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3
\x01 (esc)
a
$ hg showcopies
$ hg showcopies --config experimental.copies.read-from=compatibility
a -> k
$ hg showcopies --config experimental.copies.read-from=filelog-only
a -> k
$ cd ..