Mercurial > hg
view tests/test-bundle-type.t @ 22196:23fe278bde43
largefiles: keep largefiles from colliding with normal one during linear merge
Before this patch, linear merging of modified or newly added largefile
causes unexpected result, if (1) largefile collides with same name
normal one in the target revision and (2) "local" largefile is chosen,
even though branch merging between such revisions doesn't.
Expected result of such linear merging is:
(1) (not yet recorded) largefile is kept in the working directory
(2) largefile is marked as (re-)"added"
(3) colliding normal file is marked as "removed"
But actual result is:
(1) largefile in the working directory is unlinked
(2) largefile is marked as "normal" (so treated as "missing")
(3) the dirstate entry for colliding normal file is just dropped
(1) is very serious, because there is no way to restore temporarily
modified largefiles.
(3) prevents the next commit from adding the manifest with correct
"removal of (normal) file" information for newly created changeset.
The root cause of this problem is putting "lfile" into "actions['r']"
in linear-merging case. At liner merging, "actions['r']" causes:
- unlinking "target file" in the working directory, but "lfile" as
"target file" is also largefile itself in this case
- dropping the dirstate entry for target file
"actions['f']" (= "forget") does only the latter, and this is reason
why this patch doesn't choose putting "lfile" into it instead of
"actions['r']".
This patch newly introduces action "lfmr" (LargeFiles: Mark as
Removed) to mark colliding normal file as "removed" without unlinking
it.
This patch uses "hg debugdirstate" instead of "hg status" in test,
because:
- choosing "local largefile" hides "removed" status of "remote
normal file" in "hg status" output, and
- "hg status" for "large2" in this case has another problem fixed in
the subsequent patch
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Fri, 15 Aug 2014 20:28:51 +0900 |
parents | d54d4de56aa7 |
children | eabe44ec5af5 |
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bundle w/o type option $ hg init t1 $ hg init t2 $ cd t1 $ echo blablablablabla > file.txt $ hg ci -Ama adding file.txt $ hg log | grep summary summary: a $ hg bundle ../b1 ../t2 searching for changes 1 changesets found $ cd ../t2 $ hg pull ../b1 pulling from ../b1 requesting all changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (run 'hg update' to get a working copy) $ hg up 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log | grep summary summary: a $ cd .. test bundle types $ for t in "None" "bzip2" "gzip"; do > echo % test bundle type $t > hg init t$t > cd t1 > hg bundle -t $t ../b$t ../t$t > cut -b 1-6 ../b$t | head -n 1 > cd ../t$t > hg pull ../b$t > hg up > hg log | grep summary > cd .. > done % test bundle type None searching for changes 1 changesets found HG10UN pulling from ../bNone requesting all changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (run 'hg update' to get a working copy) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved summary: a % test bundle type bzip2 searching for changes 1 changesets found HG10BZ pulling from ../bbzip2 requesting all changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (run 'hg update' to get a working copy) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved summary: a % test bundle type gzip searching for changes 1 changesets found HG10GZ pulling from ../bgzip requesting all changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (run 'hg update' to get a working copy) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved summary: a test garbage file $ echo garbage > bgarbage $ hg init tgarbage $ cd tgarbage $ hg pull ../bgarbage abort: ../bgarbage: not a Mercurial bundle [255] $ cd .. test invalid bundle type $ cd t1 $ hg bundle -a -t garbage ../bgarbage abort: unknown bundle type specified with --type [255] $ cd ..