histedit-test: make test-fold more verbose

This helps to check the validity of fold result and debug potential issue.

tests/test-histedit-fold.t

@@ -1,261 +1,295
   $ . "$TESTDIR/histedit-helpers.sh"
 
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > graphlog=
   > histedit=
   > EOF
 
   $ EDITED="$TESTTMP/editedhistory"
   $ cat > $EDITED <<EOF
   > pick e860deea161a e
   > pick 652413bf663e f
   > fold 177f92b77385 c
   > pick 055a42cdd887 d
   > EOF
   $ initrepo ()
   > {
   >     hg init r
   >     cd r
   >     for x in a b c d e f ; do
   >         echo $x > $x
   >         hg add $x
   >         hg ci -m $x
   >     done
   > }
 
   $ initrepo
 
 log before edit
   $ hg log --graph
   @  changeset:   5:652413bf663e
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     f
   |
   o  changeset:   4:e860deea161a
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     e
   |
   o  changeset:   3:055a42cdd887
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     d
   |
   o  changeset:   2:177f92b77385
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     c
   |
   o  changeset:   1:d2ae7f538514
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     b
   |
   o  changeset:   0:cb9a9f314b8b
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     a
   
 
 edit the history
   $ HGEDITOR="cat \"$EDITED\" > " hg histedit 177f92b77385 2>&1 | fixbundle
   0 files updated, 0 files merged, 4 files removed, 0 files unresolved
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 log after edit
   $ hg log --graph
   @  changeset:   4:82b0c1ff1777
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     d
   |
   o  changeset:   3:150aafb44a91
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     pick e860deea161a e
   |
   o  changeset:   2:493dc0964412
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     e
   |
   o  changeset:   1:d2ae7f538514
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     b
   |
   o  changeset:   0:cb9a9f314b8b
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     a
   
 
 post-fold manifest
   $ hg manifest
   a
   b
   c
   d
   e
   f
 
   $ cd ..
 
 folding and creating no new change doesn't break:
   $ mkdir fold-to-empty-test
   $ cd fold-to-empty-test
   $ hg init
   $ printf "1\n2\n3\n" > file
   $ hg add file
   $ hg commit -m '1+2+3'
   $ echo 4 >> file
   $ hg commit -m '+4'
   $ echo 5 >> file
   $ hg commit -m '+5'
   $ echo 6 >> file
   $ hg commit -m '+6'
   $ hg log --graph
   @  changeset:   3:251d831eeec5
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     +6
   |
   o  changeset:   2:888f9082bf99
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     +5
   |
   o  changeset:   1:617f94f13c0f
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     +4
   |
   o  changeset:   0:0189ba417d34
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     1+2+3
   
 
   $ cat > editor.py <<EOF
   > import re, sys
   > rules = sys.argv[1]
   > data = open(rules).read()
   > data = re.sub(r'pick ([0-9a-f]{12} 2 \+5)', r'drop \1', data)
   > data = re.sub(r'pick ([0-9a-f]{12} 2 \+6)', r'fold \1', data)
   > open(rules, 'w').write(data)
   > EOF
 
   $ HGEDITOR='python editor.py' hg histedit 1
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   merging file
   warning: conflicts during merge.
   merging file incomplete! (edit conflicts, then use 'hg resolve --mark')
   abort: Fix up the change and run hg histedit --continue
   [255]
 There were conflicts, we keep P1 content. This
 should effectively drop the changes from +6.
   $ hg status
   M file
   ? editor.py
   ? file.orig
   $ hg resolve -l
   U file
   $ hg revert -r 'p1()' file
   $ hg resolve --mark file
   $ hg histedit --continue
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/*-backup.hg (glob)
   $ hg log --graph
   @  changeset:   1:617f94f13c0f
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     +4
   |
   o  changeset:   0:0189ba417d34
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     1+2+3
   
 
   $ cd ..
 
 Test corner case where folded revision is separated from its parent by a
 dropped revision.
 
 
   $ hg init fold-with-dropped
   $ cd fold-with-dropped
   $ printf "1\n2\n3\n" > file
   $ hg commit -Am '1+2+3'
   adding file
   $ echo 4 >> file
   $ hg commit -m '+4'
   $ echo 5 >> file
   $ hg commit -m '+5'
   $ echo 6 >> file
   $ hg commit -m '+6'
   $ hg log -G --template '{rev}:{node|short} {desc|firstline}\n'
   @  3:251d831eeec5 +6
   |
   o  2:888f9082bf99 +5
   |
   o  1:617f94f13c0f +4
   |
   o  0:0189ba417d34 1+2+3
   
   $ EDITED="$TESTTMP/editcommands"
   $ cat > $EDITED <<EOF
   > pick 617f94f13c0f 1 +4
   > drop 888f9082bf99 2 +5
   > fold 251d831eeec5 3 +6
   > EOF
   $ HGEDITOR="cat $EDITED >" hg histedit 1
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   merging file
   warning: conflicts during merge.
   merging file incomplete! (edit conflicts, then use 'hg resolve --mark')
   abort: Fix up the change and run hg histedit --continue
   [255]
   $ cat > file << EOF
   > 1
   > 2
   > 3
   > 4
   > 5
   > EOF
   $ hg resolve --mark file
   $ hg commit -m '+5.2'
   created new head
   $ echo 6 >> file
   $ HGEDITOR=cat hg histedit --continue
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   +4
   ***
   +5.2
   ***
   +6
   
   
   
   HG: Enter commit message.  Lines beginning with 'HG:' are removed.
   HG: Leave message empty to abort commit.
   HG: --
   HG: user: test
   HG: branch 'default'
   HG: changed file
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   saved backup bundle to $TESTTMP/fold-with-dropped/.hg/strip-backup/617f94f13c0f-backup.hg (glob)
+  $ hg log -G
+  @  changeset:   1:e29e02896e6c
+  |  tag:         tip
+  |  user:        test
+  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  summary:     +4
+  |
+  o  changeset:   0:0189ba417d34
+     user:        test
+     date:        Thu Jan 01 00:00:00 1970 +0000
+     summary:     1+2+3
+  
+  $ hg export tip
+  # HG changeset patch
+  # User test
+  # Date 0 0
+  # Node ID e29e02896e6c2b149d2228a0a64b4f3a9a4237f3
+  # Parent  0189ba417d34df9dda55f88b637dcae9917b5964
+  +4
+  ***
+  +5.2
+  ***
+  +6
+  
+  diff -r 0189ba417d34 -r e29e02896e6c file
+  --- a/file	Thu Jan 01 00:00:00 1970 +0000
+  +++ b/file	Thu Jan 01 00:00:00 1970 +0000
+  @@ -1,3 +1,6 @@
+   1
+   2
+   3
+  +4
+  +5
+  +6
   $ cd ..