test: document test-copy-move-merge.t
Differential Revision: https://phab.mercurial-scm.org/D8077
--- a/tests/test-copy-move-merge.t Mon Feb 03 22:16:36 2020 -0500
+++ b/tests/test-copy-move-merge.t Fri Dec 13 11:32:36 2019 +0100
@@ -1,6 +1,19 @@
Test for the full copytracing algorithm
=======================================
+
+Initial Setup
+=============
+
+use git diff to see rename
+
+ $ cat << EOF >> $HGRCPATH
+ > [diff]
+ > git=yes
+ > EOF
+
+Setup an history where one side copy and rename a file (and update it) while the other side update it.
+
$ hg init t
$ cd t
@@ -22,6 +35,59 @@
$ hg ci -qAm "other"
+ $ hg log -G --patch
+ @ changeset: 2:add3f11052fa
+ | tag: tip
+ | parent: 0:b8bf91eeebbc
+ | user: test
+ | date: Thu Jan 01 00:00:00 1970 +0000
+ | summary: other
+ |
+ | diff --git a/a b/a
+ | --- a/a
+ | +++ b/a
+ | @@ -1,1 +1,2 @@
+ | +0
+ | 1
+ |
+ | o changeset: 1:17c05bb7fcb6
+ |/ user: test
+ | date: Thu Jan 01 00:00:00 1970 +0000
+ | summary: second
+ |
+ | diff --git a/a b/b
+ | rename from a
+ | rename to b
+ | --- a/a
+ | +++ b/b
+ | @@ -1,1 +1,2 @@
+ | 1
+ | +2
+ | diff --git a/a b/c
+ | copy from a
+ | copy to c
+ | --- a/a
+ | +++ b/c
+ | @@ -1,1 +1,2 @@
+ | 1
+ | +2
+ |
+ o changeset: 0:b8bf91eeebbc
+ user: test
+ date: Thu Jan 01 00:00:00 1970 +0000
+ summary: first
+
+ diff --git a/a b/a
+ new file mode 100644
+ --- /dev/null
+ +++ b/a
+ @@ -0,0 +1,1 @@
+ +1
+
+
+Test Simple Merge
+=================
+
$ hg merge --debug
unmatched files in other:
b
@@ -64,8 +130,10 @@
2
Test disabling copy tracing
+===========================
-- first verify copy metadata was kept
+first verify copy metadata was kept
+-----------------------------------
$ hg up -qC 2
$ hg rebase --keep -d 1 -b 2 --config extensions.rebase=
@@ -78,7 +146,8 @@
1
2
-- next verify copy metadata is lost when disabled
+ next verify copy metadata is lost when disabled
+------------------------------------------------
$ hg strip -r . --config extensions.strip=
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
@@ -99,6 +168,7 @@
$ cd ..
Verify disabling copy tracing still keeps copies from rebase source
+-------------------------------------------------------------------
$ hg init copydisable
$ cd copydisable
@@ -131,7 +201,14 @@
$ cd ../
-Verify we duplicate existing copies, instead of detecting them
+
+test storage preservation
+-------------------------
+
+Verify rebase do not discard recorded copies data when copy tracing usage is
+disabled.
+
+Setup
$ hg init copydisable3
$ cd copydisable3
@@ -154,6 +231,12 @@
|/
o 0 add a
+
+Actual Test
+
+A file is copied on one side and has been moved twice on the other side. the
+file is copied from `0:a`, so the file history of the `3:b` should trace directly to `0:a`.
+
$ hg rebase -d 2 -s 3 --config extensions.rebase= --config experimental.copytrace=off
rebasing 3:47e1a9e6273b "copy a->b (2)" (tip)
saved backup bundle to $TESTTMP/copydisable3/.hg/strip-backup/47e1a9e6273b-2d099c59-rebase.hg