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largefiles: for update -C, only update largefiles when necessary...
largefiles: for update -C, only update largefiles when necessary Before, a --clean update with largefiles would use the "optimization" that it didn't read hashes from standin files before and after the update. Instead of trusting the content of the standin files, it would rehash all the actual largefiles that lfdirstate reported clean and update the standins that didn't have the expected content. It could thus in some "impossible" situations automatically recover from some "largefile got out sync with its standin" issues (even there apparently still were weird corner cases where it could fail). This extra checking is similar to what core --clean intentionally do not do, and it made update --clean unbearable slow. Usually in core Mercurial, --clean will rely on the dirstate to find the files it should update. (It is thus intentionally possible (when trying to trick the system or if there should be bugs) to end up in situations where --clean not will restore the working directory content correctly.) Checking every file when we "know" it is ok is however not an option - that would be too slow. Instead, trust the content of the standin files. Use the same logic for --clean as for linear updates and trust the dirstate and that our "logic" will keep them in sync. It is much cheaper to just rehash the largefiles reported dirty by a status walk and read all standins than to hash largefiles. Most of the changes are just a change of indentation now when the different kinds of updates no longer are handled that differently. Standins for added files are however only written when doing a normal update, while deleted and removed files only will be updated for --clean updates.
Yuya Nishihara - - Load All Authors

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r24365:f1eaf03d default
r24787:9d5c2789 default
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test-mq-qpush-exact.t
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/ tests / test-mq-qpush-exact.t
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$ echo "[extensions]" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
make a test repository that looks like this:
o 2:28bc7b1afd6a
|
| @ 1:d7fe2034f71b
|/
o 0/62ecad8b70e5
$ hg init r0
$ cd r0
$ touch f0
$ hg ci -m0 -Aq
$ touch f1
$ hg ci -m1 -Aq
$ hg update 0 -q
$ touch f2
$ hg ci -m2 -Aq
$ hg update 1 -q
make some patches with a parent: 1:d7fe2034f71b -> p0 -> p1
$ echo cp0 >> fp0
$ hg add fp0
$ hg ci -m p0 -d "0 0"
$ hg export -r. > p0
$ hg strip -qn .
$ hg qimport p0
adding p0 to series file
$ hg qpush
applying p0
now at: p0
$ echo cp1 >> fp1
$ hg add fp1
$ hg qnew p1 -d "0 0"
$ hg qpop -aq
patch queue now empty
qpush --exact when at the parent
$ hg update 1 -q
$ hg qpush -e
applying p0
now at: p0
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
$ hg qpush -e p0
applying p0
now at: p0
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
$ hg qpush -e p1
applying p0
applying p1
now at: p1
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
qpush --exact when at another rev
$ hg update 0 -q
$ hg qpush -e
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
applying p0
now at: p0
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
$ hg update 0 -q
$ hg qpush -e p0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
applying p0
now at: p0
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
$ hg update 0 -q
$ hg qpush -e p1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
applying p0
applying p1
now at: p1
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
$ hg update 0 -q
$ hg qpush -ea
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
applying p0
applying p1
now at: p1
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
qpush --exact while crossing branches
$ hg update 2 -q
$ hg qpush -e
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
applying p0
now at: p0
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
$ hg update 2 -q
$ hg qpush -e p0
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
applying p0
now at: p0
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
$ hg update 2 -q
$ hg qpush -e p1
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
applying p0
applying p1
now at: p1
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
$ hg update 2 -q
$ hg qpush -ea
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
applying p0
applying p1
now at: p1
$ hg parents -qr qbase
1:d7fe2034f71b
$ hg qpop -aq
patch queue now empty
qpush --exact --force with changes to an unpatched file
$ hg update 1 -q
$ echo c0 >> f0
$ hg qpush -e
abort: local changes found
[255]
$ hg qpush -ef
applying p0
now at: p0
$ cat f0
c0
$ rm f0
$ touch f0
$ hg qpop -aq
patch queue now empty
$ hg update 1 -q
$ echo c0 >> f0
$ hg qpush -e p1
abort: local changes found
[255]
$ hg qpush -e p1 -f
applying p0
applying p1
now at: p1
$ cat f0
c0
$ rm f0
$ touch f0
$ hg qpop -aq
patch queue now empty
qpush --exact --force with changes to a patched file
$ hg update 1 -q
$ echo cp0-bad >> fp0
$ hg add fp0
$ hg qpush -e
abort: local changes found
[255]
$ hg qpush -ef
applying p0
file fp0 already exists
1 out of 1 hunks FAILED -- saving rejects to file fp0.rej
patch failed, unable to continue (try -v)
patch failed, rejects left in working directory
errors during apply, please fix and refresh p0
[2]
$ cat fp0
cp0-bad
$ cat fp0.rej
--- fp0
+++ fp0
@@ -0,0 +1,1 @@
+cp0
$ hg qpop -aqf
patch queue now empty
$ rm fp0
$ rm fp0.rej
$ hg update 1 -q
$ echo cp1-bad >> fp1
$ hg add fp1
$ hg qpush -e p1
abort: local changes found
[255]
$ hg qpush -e p1 -f
applying p0
applying p1
file fp1 already exists
1 out of 1 hunks FAILED -- saving rejects to file fp1.rej
patch failed, unable to continue (try -v)
patch failed, rejects left in working directory
errors during apply, please fix and refresh p1
[2]
$ cat fp1
cp1-bad
$ cat fp1.rej
--- fp1
+++ fp1
@@ -0,0 +1,1 @@
+cp1
$ hg qpop -aqf
patch queue now empty
$ hg forget fp1
$ rm fp1
$ rm fp1.rej
qpush --exact when already at a patch
$ hg update 1
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg qpush -e p0
applying p0
now at: p0
$ hg qpush -e p1
abort: cannot push --exact with applied patches
[255]
$ hg qpop -aq
patch queue now empty
qpush --exact --move should fail
$ hg qpush -e --move p1
abort: cannot use --exact and --move together
[255]
qpush --exact a patch without a parent recorded
$ hg qpush -q
now at: p0
$ grep -v '# Parent' .hg/patches/p0 > p0.new
$ mv p0.new .hg/patches/p0
$ hg qpop -aq
patch queue now empty
$ hg qpush -e
abort: p0 does not have a parent recorded
[255]
$ hg qpush -e p0
abort: p0 does not have a parent recorded
[255]
$ hg qpush -e p1
abort: p0 does not have a parent recorded
[255]
$ hg qpush -ea
abort: p0 does not have a parent recorded
[255]
$ cd ..