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mq: look for modified subrepos when checking for local changes It was possible to apply, unapply, fold, patches (etc) with modified subrepos, which resulted in surprising behavior. For example it was easy to apply a patch with a modified subrepo, and then the refresh it and accidentally end up including the modified subrepo on the refreshed patch. A test has been added to verify this new check. # HG changeset patch # User Angel Ezquerra <angel.ezquerra@gmail.com> # Date 1375742979 -7200 # Tue Aug 06 00:49:39 2013 +0200 # Node ID a5c90acff5e61aae714ba6c9457d766c54b4f124 # Parent 6ac206fb6f27492a98f46bbff090407ee1b1de72 mq: look for modified subrepos when checking for local changes It was possible to apply, unapply, fold, patches (etc) with modified subrepos, which resulted in surprising behavior. For example it was easy to apply a patch with a modified subrepo, and then the refresh it and accidentally end up including the modified subrepo on the refreshed patch. A test has been added to verify this new check.
author Angel Ezquerra <angel.ezquerra@gmail.com>
date Tue, 06 Aug 2013 00:49:39 +0200
parents 478a04605ce1
children aa9385f983fa
line wrap: on
line source


  $ "$TESTDIR/hghave" git || exit 80
  $ echo "[core]" >> $HOME/.gitconfig
  $ echo "autocrlf = false" >> $HOME/.gitconfig
  $ echo "[core]" >> $HOME/.gitconfig
  $ echo "autocrlf = false" >> $HOME/.gitconfig
  $ echo "[extensions]" >> $HGRCPATH
  $ echo "convert=" >> $HGRCPATH
  $ echo 'hgext.graphlog =' >> $HGRCPATH
  $ GIT_AUTHOR_NAME='test'; export GIT_AUTHOR_NAME
  $ GIT_AUTHOR_EMAIL='test@example.org'; export GIT_AUTHOR_EMAIL
  $ GIT_AUTHOR_DATE="2007-01-01 00:00:00 +0000"; export GIT_AUTHOR_DATE
  $ GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"; export GIT_COMMITTER_NAME
  $ GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL"; export GIT_COMMITTER_EMAIL
  $ GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"; export GIT_COMMITTER_DATE
  $ INVALIDID1=afd12345af
  $ INVALIDID2=28173x36ddd1e67bf7098d541130558ef5534a86
  $ VALIDID1=39b3d83f9a69a9ba4ebb111461071a0af0027357
  $ VALIDID2=8dd6476bd09d9c7776355dc454dafe38efaec5da
  $ count=10
  $ commit()
  > {
  >     GIT_AUTHOR_DATE="2007-01-01 00:00:$count +0000"
  >     GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
  >     git commit "$@" >/dev/null 2>/dev/null || echo "git commit error"
  >     count=`expr $count + 1`
  > }
  $ mkdir git-repo
  $ cd git-repo
  $ git init-db >/dev/null 2>/dev/null
  $ echo a > a
  $ mkdir d
  $ echo b > d/b
  $ git add a d
  $ commit -a -m t1

Remove the directory, then try to replace it with a file
(issue 754)

  $ git rm -f d/b
  rm 'd/b'
  $ commit -m t2
  $ echo d > d
  $ git add d
  $ commit -m t3
  $ echo b >> a
  $ commit -a -m t4.1
  $ git checkout -b other HEAD~ >/dev/null 2>/dev/null
  $ echo c > a
  $ echo a >> a
  $ commit -a -m t4.2
  $ git checkout master >/dev/null 2>/dev/null
  $ git pull --no-commit . other > /dev/null 2>/dev/null
  $ commit -m 'Merge branch other'
  $ cd ..
  $ hg convert --datesort git-repo
  assuming destination git-repo-hg
  initializing destination git-repo-hg repository
  scanning source...
  sorting...
  converting...
  5 t1
  4 t2
  3 t3
  2 t4.1
  1 t4.2
  0 Merge branch other
  updating bookmarks
  $ hg up -q -R git-repo-hg
  $ hg -R git-repo-hg tip -v
  changeset:   5:c78094926be2
  bookmark:    master
  tag:         tip
  parent:      3:f5f5cb45432b
  parent:      4:4e174f80c67c
  user:        test <test@example.org>
  date:        Mon Jan 01 00:00:15 2007 +0000
  files:       a
  description:
  Merge branch other
  
  
  $ count=10
  $ mkdir git-repo2
  $ cd git-repo2
  $ git init-db >/dev/null 2>/dev/null
  $ echo foo > foo
  $ git add foo
  $ commit -a -m 'add foo'
  $ echo >> foo
  $ commit -a -m 'change foo'
  $ git checkout -b Bar HEAD~ >/dev/null 2>/dev/null
  $ echo quux >> quux
  $ git add quux
  $ commit -a -m 'add quux'
  $ echo bar > bar
  $ git add bar
  $ commit -a -m 'add bar'
  $ git checkout -b Baz HEAD~ >/dev/null 2>/dev/null
  $ echo baz > baz
  $ git add baz
  $ commit -a -m 'add baz'
  $ git checkout master >/dev/null 2>/dev/null
  $ git pull --no-commit . Bar Baz > /dev/null 2>/dev/null
  $ commit -m 'Octopus merge'
  $ echo bar >> bar
  $ commit -a -m 'change bar'
  $ git checkout -b Foo HEAD~ >/dev/null 2>/dev/null
  $ echo >> foo
  $ commit -a -m 'change foo'
  $ git checkout master >/dev/null 2>/dev/null
  $ git pull --no-commit -s ours . Foo > /dev/null 2>/dev/null
  $ commit -m 'Discard change to foo'
  $ cd ..
  $ glog()
  > {
  >     hg glog --template '{rev} "{desc|firstline}" files: {files}\n' "$@"
  > }
  $ splitrepo()
  > {
  >     msg="$1"
  >     files="$2"
  >     opts=$3
  >     echo "% $files: $msg"
  >     prefix=`echo "$files" | sed -e 's/ /-/g'`
  >     fmap="$prefix.fmap"
  >     repo="$prefix.repo"
  >     for i in $files; do
  >         echo "include $i" >> "$fmap"
  >     done
  >     hg -q convert $opts --filemap "$fmap" --datesort git-repo2 "$repo"
  >     hg up -q -R "$repo"
  >     glog -R "$repo"
  >     hg -R "$repo" manifest --debug
  > }

full conversion

  $ hg -q convert --datesort git-repo2 fullrepo
  $ hg up -q -R fullrepo
  $ glog -R fullrepo
  @    9 "Discard change to foo" files: foo
  |\
  | o  8 "change foo" files: foo
  | |
  o |  7 "change bar" files: bar
  |/
  o    6 "(octopus merge fixup)" files:
  |\
  | o    5 "Octopus merge" files: baz
  | |\
  o | |  4 "add baz" files: baz
  | | |
  +---o  3 "add bar" files: bar
  | |
  o |  2 "add quux" files: quux
  | |
  | o  1 "change foo" files: foo
  |/
  o  0 "add foo" files: foo
  
  $ hg -R fullrepo manifest --debug
  245a3b8bc653999c2b22cdabd517ccb47aecafdf 644   bar
  354ae8da6e890359ef49ade27b68bbc361f3ca88 644   baz
  9277c9cc8dd4576fc01a17939b4351e5ada93466 644   foo
  88dfeab657e8cf2cef3dec67b914f49791ae76b1 644   quux
  $ splitrepo 'octopus merge' 'foo bar baz'
  % foo bar baz: octopus merge
  @    8 "Discard change to foo" files: foo
  |\
  | o  7 "change foo" files: foo
  | |
  o |  6 "change bar" files: bar
  |/
  o    5 "(octopus merge fixup)" files:
  |\
  | o    4 "Octopus merge" files: baz
  | |\
  o | |  3 "add baz" files: baz
  | | |
  +---o  2 "add bar" files: bar
  | |
  | o  1 "change foo" files: foo
  |/
  o  0 "add foo" files: foo
  
  245a3b8bc653999c2b22cdabd517ccb47aecafdf 644   bar
  354ae8da6e890359ef49ade27b68bbc361f3ca88 644   baz
  9277c9cc8dd4576fc01a17939b4351e5ada93466 644   foo
  $ splitrepo 'only some parents of an octopus merge; "discard" a head' 'foo baz quux'
  % foo baz quux: only some parents of an octopus merge; "discard" a head
  @  6 "Discard change to foo" files: foo
  |
  o  5 "change foo" files: foo
  |
  o    4 "Octopus merge" files:
  |\
  | o  3 "add baz" files: baz
  | |
  | o  2 "add quux" files: quux
  | |
  o |  1 "change foo" files: foo
  |/
  o  0 "add foo" files: foo
  
  354ae8da6e890359ef49ade27b68bbc361f3ca88 644   baz
  9277c9cc8dd4576fc01a17939b4351e5ada93466 644   foo
  88dfeab657e8cf2cef3dec67b914f49791ae76b1 644   quux

test binary conversion (issue 1359)

  $ mkdir git-repo3
  $ cd git-repo3
  $ git init-db >/dev/null 2>/dev/null
  $ python -c 'file("b", "wb").write("".join([chr(i) for i in range(256)])*16)'
  $ git add b
  $ commit -a -m addbinary
  $ cd ..

convert binary file

  $ hg convert git-repo3 git-repo3-hg
  initializing destination git-repo3-hg repository
  scanning source...
  sorting...
  converting...
  0 addbinary
  updating bookmarks
  $ cd git-repo3-hg
  $ hg up -C
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ python -c 'print len(file("b", "rb").read())'
  4096
  $ cd ..

test author vs committer

  $ mkdir git-repo4
  $ cd git-repo4
  $ git init-db >/dev/null 2>/dev/null
  $ echo >> foo
  $ git add foo
  $ commit -a -m addfoo
  $ echo >> foo
  $ GIT_AUTHOR_NAME="nottest"
  $ commit -a -m addfoo2
  $ cd ..

convert author committer

  $ hg convert git-repo4 git-repo4-hg
  initializing destination git-repo4-hg repository
  scanning source...
  sorting...
  converting...
  1 addfoo
  0 addfoo2
  updating bookmarks
  $ hg -R git-repo4-hg log -v
  changeset:   1:d63e967f93da
  bookmark:    master
  tag:         tip
  user:        nottest <test@example.org>
  date:        Mon Jan 01 00:00:21 2007 +0000
  files:       foo
  description:
  addfoo2
  
  committer: test <test@example.org>
  
  
  changeset:   0:0735477b0224
  user:        test <test@example.org>
  date:        Mon Jan 01 00:00:20 2007 +0000
  files:       foo
  description:
  addfoo
  
  

--sourceorder should fail

  $ hg convert --sourcesort git-repo4 git-repo4-sourcesort-hg
  initializing destination git-repo4-sourcesort-hg repository
  abort: --sourcesort is not supported by this data source
  [255]

test sub modules

  $ mkdir git-repo5
  $ cd git-repo5
  $ git init-db >/dev/null 2>/dev/null
  $ echo 'sub' >> foo
  $ git add foo
  $ commit -a -m 'addfoo'
  $ BASE=`pwd`
  $ cd ..
  $ mkdir git-repo6
  $ cd git-repo6
  $ git init-db >/dev/null 2>/dev/null
  $ git submodule add ${BASE} >/dev/null 2>/dev/null
  $ commit -a -m 'addsubmodule' >/dev/null 2>/dev/null
  $ cd ..

test invalid splicemap1

  $ cat > splicemap <<EOF
  > $VALIDID1
  > EOF
  $ hg convert --splicemap splicemap git-repo2 git-repo2-splicemap1-hg
  initializing destination git-repo2-splicemap1-hg repository
  abort: syntax error in splicemap(1): child parent1[,parent2] expected
  [255]

test invalid splicemap2

  $ cat > splicemap <<EOF
  > $VALIDID1 $VALIDID2, $VALIDID2, $VALIDID2
  > EOF
  $ hg convert --splicemap splicemap git-repo2 git-repo2-splicemap2-hg
  initializing destination git-repo2-splicemap2-hg repository
  abort: syntax error in splicemap(1): child parent1[,parent2] expected
  [255]

test invalid splicemap3

  $ cat > splicemap <<EOF
  > $INVALIDID1 $INVALIDID2
  > EOF
  $ hg convert --splicemap splicemap git-repo2 git-repo2-splicemap3-hg
  initializing destination git-repo2-splicemap3-hg repository
  abort: splicemap entry afd12345af is not a valid revision identifier
  [255]

convert sub modules
  $ hg convert git-repo6 git-repo6-hg
  initializing destination git-repo6-hg repository
  scanning source...
  sorting...
  converting...
  0 addsubmodule
  updating bookmarks
  $ hg -R git-repo6-hg log -v
  changeset:   0:* (glob)
  bookmark:    master
  tag:         tip
  user:        nottest <test@example.org>
  date:        Mon Jan 01 00:00:23 2007 +0000
  files:       .hgsub .hgsubstate
  description:
  addsubmodule
  
  committer: test <test@example.org>
  
  

  $ cd git-repo6-hg
  $ hg up >/dev/null 2>/dev/null
  $ cat .hgsubstate
  * git-repo5 (glob)
  $ cd git-repo5
  $ cat foo
  sub

  $ cd ../..

damaged git repository tests:
In case the hard-coded hashes change, the following commands can be used to
list the hashes and their corresponding types in the repository:
cd git-repo4/.git/objects
find . -type f | cut -c 3- | sed 's_/__' | xargs -n 1 -t git cat-file -t
cd ../../..

damage git repository by renaming a commit object
  $ COMMIT_OBJ=1c/0ce3c5886f83a1d78a7b517cdff5cf9ca17bdd
  $ mv git-repo4/.git/objects/$COMMIT_OBJ git-repo4/.git/objects/$COMMIT_OBJ.tmp
  $ hg convert git-repo4 git-repo4-broken-hg 2>&1 | grep 'abort:'
  abort: cannot read tags from git-repo4/.git
  $ mv git-repo4/.git/objects/$COMMIT_OBJ.tmp git-repo4/.git/objects/$COMMIT_OBJ
damage git repository by renaming a blob object

  $ BLOB_OBJ=8b/137891791fe96927ad78e64b0aad7bded08bdc
  $ mv git-repo4/.git/objects/$BLOB_OBJ git-repo4/.git/objects/$BLOB_OBJ.tmp
  $ hg convert git-repo4 git-repo4-broken-hg 2>&1 | grep 'abort:'
  abort: cannot read 'blob' object at 8b137891791fe96927ad78e64b0aad7bded08bdc
  $ mv git-repo4/.git/objects/$BLOB_OBJ.tmp git-repo4/.git/objects/$BLOB_OBJ
damage git repository by renaming a tree object

  $ TREE_OBJ=72/49f083d2a63a41cc737764a86981eb5f3e4635
  $ mv git-repo4/.git/objects/$TREE_OBJ git-repo4/.git/objects/$TREE_OBJ.tmp
  $ hg convert git-repo4 git-repo4-broken-hg 2>&1 | grep 'abort:'
  abort: cannot read changes in 1c0ce3c5886f83a1d78a7b517cdff5cf9ca17bdd