Mercurial > hg
view tests/test-copies-in-changeset.t @ 46580:2076df13d00f
copies-rust: refactor the "deletion" case
We rearrange the code to single out the case where information need to be
overwritten on both side of the merge. This open the way to better dealing with
this case.
Differential Revision: https://phab.mercurial-scm.org/D9651
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Wed, 16 Dec 2020 10:59:00 +0100 |
parents | 24a32dea6955 |
children | fd55a9eb1507 |
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#testcases extra sidedata #if extra $ cat >> $HGRCPATH << EOF > [experimental] > copies.write-to=changeset-only > copies.read-from=changeset-only > [alias] > changesetcopies = log -r . -T 'files: {files} > {extras % "{ifcontains("files", key, "{key}: {value}\n")}"} > {extras % "{ifcontains("copies", key, "{key}: {value}\n")}"}' > EOF #endif #if sidedata $ cat >> $HGRCPATH << EOF > [format] > exp-use-copies-side-data-changeset = yes > EOF #endif $ cat >> $HGRCPATH << EOF > [alias] > showcopies = log -r . -T '{file_copies % "{source} -> {name}\n"}' > [extensions] > rebase = > split = > EOF Check that copies are recorded correctly $ hg init repo $ cd repo #if sidedata $ hg debugformat -v format-variant repo config default fncache: yes yes yes dotencode: yes yes yes generaldelta: yes yes yes share-safe: no no no sparserevlog: yes yes yes sidedata: yes yes no persistent-nodemap: no no no copies-sdc: yes yes no plain-cl-delta: yes yes yes compression: zlib zlib zlib compression-level: default default default #else $ hg debugformat -v format-variant repo config default fncache: yes yes yes dotencode: yes yes yes generaldelta: yes yes yes share-safe: no no no sparserevlog: yes yes yes sidedata: no no no persistent-nodemap: no no no copies-sdc: no no no plain-cl-delta: yes yes yes compression: zlib zlib zlib compression-level: default default default #endif $ 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' #if extra $ hg changesetcopies files: b c d filesadded: 0 1 2 p1copies: 0\x00a (esc) 1\x00a (esc) 2\x00a (esc) #else $ hg debugsidedata -c -v -- -1 1 sidedata entries entry-0014 size 44 '\x00\x00\x00\x04\x00\x00\x00\x00\x01\x00\x00\x00\x00\x06\x00\x00\x00\x02\x00\x00\x00\x00\x06\x00\x00\x00\x03\x00\x00\x00\x00\x06\x00\x00\x00\x04\x00\x00\x00\x00abcd' #endif $ hg showcopies a -> b a -> c a -> d #if extra $ hg showcopies --config experimental.copies.read-from=compatibility a -> b a -> c a -> d $ hg showcopies --config experimental.copies.read-from=filelog-only #endif Check that renames are recorded correctly $ hg mv b b2 $ hg ci -m 'rename b to b2' #if extra $ hg changesetcopies files: b b2 filesadded: 1 filesremoved: 0 p1copies: 1\x00b (esc) #else $ hg debugsidedata -c -v -- -1 1 sidedata entries entry-0014 size 25 '\x00\x00\x00\x02\x0c\x00\x00\x00\x01\x00\x00\x00\x00\x06\x00\x00\x00\x03\x00\x00\x00\x00bb2' #endif $ 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 #if extra $ hg debugindex c rev linkrev nodeid p1 p2 0 1 b789fdd96dc2 000000000000 000000000000 #else $ hg debugindex c rev linkrev nodeid p1 p2 0 1 37d9b5d994ea 000000000000 000000000000 #endif $ hg ci -m 'move b onto d' #if extra $ hg changesetcopies files: c p1copies: 0\x00b2 (esc) #else $ hg debugsidedata -c -v -- -1 1 sidedata entries entry-0014 size 25 '\x00\x00\x00\x02\x00\x00\x00\x00\x02\x00\x00\x00\x00\x16\x00\x00\x00\x03\x00\x00\x00\x00b2c' #endif $ hg showcopies b2 -> c #if extra $ hg debugindex c rev linkrev nodeid p1 p2 0 1 b789fdd96dc2 000000000000 000000000000 #else $ hg debugindex c rev linkrev nodeid p1 p2 0 1 37d9b5d994ea 000000000000 000000000000 1 3 029625640347 000000000000 000000000000 #endif 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' #if extra $ hg changesetcopies files: g h i filesadded: 0 1 2 p1copies: 0\x00a (esc) 2\x00f (esc) p2copies: 1\x00d (esc) #else $ hg debugsidedata -c -v -- -1 1 sidedata entries entry-0014 size 64 '\x00\x00\x00\x06\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x06\x00\x00\x00\x04\x00\x00\x00\x00\x07\x00\x00\x00\x05\x00\x00\x00\x01\x06\x00\x00\x00\x06\x00\x00\x00\x02adfghi' #endif $ hg showcopies a -> g d -> h f -> i Test writing to both changeset and filelog $ hg cp a j #if extra $ hg ci -m 'copy a to j' --config experimental.copies.write-to=compatibility $ hg changesetcopies files: j filesadded: 0 filesremoved: p1copies: 0\x00a (esc) p2copies: #else $ hg ci -m 'copy a to j' $ hg debugsidedata -c -v -- -1 1 sidedata entries entry-0014 size 24 '\x00\x00\x00\x02\x00\x00\x00\x00\x01\x00\x00\x00\x00\x06\x00\x00\x00\x02\x00\x00\x00\x00aj' #endif $ 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 Existing copy information in the changeset gets removed on amend and writing copy information on to the filelog #if extra $ hg ci --amend -m 'copy a to j, v2' \ > --config experimental.copies.write-to=filelog-only saved backup bundle to $TESTTMP/repo/.hg/strip-backup/*-*-amend.hg (glob) $ hg changesetcopies files: j #else $ hg ci --amend -m 'copy a to j, v2' saved backup bundle to $TESTTMP/repo/.hg/strip-backup/*-*-amend.hg (glob) $ hg debugsidedata -c -v -- -1 1 sidedata entries entry-0014 size 24 '\x00\x00\x00\x02\x00\x00\x00\x00\x01\x00\x00\x00\x00\x06\x00\x00\x00\x02\x00\x00\x00\x00aj' #endif $ hg showcopies --config experimental.copies.read-from=filelog-only a -> j The entries should be written to extras even if they're empty (so the client won't have to fall back to reading from filelogs) $ echo x >> j #if extra $ hg ci -m 'modify j' --config experimental.copies.write-to=compatibility $ hg changesetcopies files: j filesadded: filesremoved: p1copies: p2copies: #else $ hg ci -m 'modify j' $ hg debugsidedata -c -v -- -1 1 sidedata entries entry-0014 size 14 '\x00\x00\x00\x01\x14\x00\x00\x00\x01\x00\x00\x00\x00j' #endif Test writing only to filelog $ hg cp a k #if extra $ hg ci -m 'copy a to k' --config experimental.copies.write-to=filelog-only $ hg changesetcopies files: k #else $ hg ci -m 'copy a to k' $ hg debugsidedata -c -v -- -1 1 sidedata entries entry-0014 size 24 '\x00\x00\x00\x02\x00\x00\x00\x00\x01\x00\x00\x00\x00\x06\x00\x00\x00\x02\x00\x00\x00\x00ak' #endif $ hg debugdata k 0 \x01 (esc) copy: a copyrev: b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 \x01 (esc) a #if extra $ hg showcopies $ hg showcopies --config experimental.copies.read-from=compatibility a -> k $ hg showcopies --config experimental.copies.read-from=filelog-only a -> k #else $ hg showcopies a -> k #endif $ cd .. Test rebasing a commit with copy information $ hg init rebase-rename $ cd rebase-rename $ echo a > a $ hg ci -Aqm 'add a' $ echo a2 > a $ hg ci -m 'modify a' $ hg co -q 0 $ hg mv a b $ hg ci -qm 'rename a to b' Not only do we want this to run in-memory, it shouldn't fall back to on-disk merge (no conflicts), so we force it to be in-memory with no fallback. $ hg rebase -d 1 --config rebase.experimental.inmemory=yes --config devel.rebase.force-in-memory-merge=yes rebasing 2:* tip "rename a to b" (glob) merging a and b to b saved backup bundle to $TESTTMP/rebase-rename/.hg/strip-backup/*-*-rebase.hg (glob) $ hg st --change . --copies A b a R a $ cd .. Test splitting a commit $ hg init split $ cd split $ echo a > a $ echo b > b $ hg ci -Aqm 'add a and b' $ echo a2 > a $ hg mv b c $ hg ci -m 'modify a, move b to c' $ hg --config ui.interactive=yes split <<EOF > y > y > n > y > EOF diff --git a/a b/a 1 hunks, 1 lines changed examine changes to 'a'? (enter ? for help) [Ynesfdaq?] y @@ -1,1 +1,1 @@ -a +a2 record this change to 'a'? (enter ? for help) [Ynesfdaq?] y diff --git a/b b/c rename from b rename to c examine changes to 'b' and 'c'? (enter ? for help) [Ynesfdaq?] n created new head diff --git a/b b/c rename from b rename to c examine changes to 'b' and 'c'? (enter ? for help) [Ynesfdaq?] y saved backup bundle to $TESTTMP/split/.hg/strip-backup/*-*-split.hg (glob) $ cd .. Test committing half a rename $ hg init partial $ cd partial $ echo a > a $ hg ci -Aqm 'add a' $ hg mv a b $ hg ci -m 'remove a' a #if sidedata Test upgrading/downgrading to sidedata storage ============================================== downgrading (keeping some sidedata) $ hg debugformat -v format-variant repo config default fncache: yes yes yes dotencode: yes yes yes generaldelta: yes yes yes share-safe: no no no sparserevlog: yes yes yes sidedata: yes yes no persistent-nodemap: no no no copies-sdc: yes yes no plain-cl-delta: yes yes yes compression: zlib zlib zlib compression-level: default default default $ hg debugsidedata -c -- 0 1 sidedata entries entry-0014 size 14 $ hg debugsidedata -c -- 1 1 sidedata entries entry-0014 size 14 $ hg debugsidedata -m -- 0 $ cat << EOF > .hg/hgrc > [format] > exp-use-side-data = yes > exp-use-copies-side-data-changeset = no > EOF $ hg debugupgraderepo --run --quiet --no-backup > /dev/null $ hg debugformat -v format-variant repo config default fncache: yes yes yes dotencode: yes yes yes generaldelta: yes yes yes share-safe: no no no sparserevlog: yes yes yes sidedata: yes yes no persistent-nodemap: no no no copies-sdc: no no no plain-cl-delta: yes yes yes compression: zlib zlib zlib compression-level: default default default $ hg debugsidedata -c -- 0 1 sidedata entries entry-0014 size 14 $ hg debugsidedata -c -- 1 1 sidedata entries entry-0014 size 14 $ hg debugsidedata -m -- 0 upgrading $ cat << EOF > .hg/hgrc > [format] > exp-use-copies-side-data-changeset = yes > EOF $ hg debugupgraderepo --run --quiet --no-backup > /dev/null $ hg debugformat -v format-variant repo config default fncache: yes yes yes dotencode: yes yes yes generaldelta: yes yes yes share-safe: no no no sparserevlog: yes yes yes sidedata: yes yes no persistent-nodemap: no no no copies-sdc: yes yes no plain-cl-delta: yes yes yes compression: zlib zlib zlib compression-level: default default default $ hg debugsidedata -c -- 0 1 sidedata entries entry-0014 size 14 $ hg debugsidedata -c -- 1 1 sidedata entries entry-0014 size 14 $ hg debugsidedata -m -- 0 #endif $ cd ..