upstream/mercurial-mirror Files · tests/test-issue619.t

merge: fast-forward merge with descendant...

merge: fast-forward merge with descendant issue2538 gives a case where a changeset is merged with its child (which is on another branch), and to my surprise the result is a real merge with two parents, not just a "fast forward" "merge" with only the child as parent. That is essentially the same as issue619. Is the existing behaviour as intended and correct? Or is the following fix correct? Some extra "created new head" pops up with this fix, but it seems to me like they could be considered correct. The old branch head has been superseeded by changes on the other branch, and when the changes on the other branch is merged back to the branch it will introduce a new head not directly related to the previous branch head. (I guess the intention with existing behaviour could be to ensure that the changesets on the branch are directly connected and that no new heads pops up on merges.)

Mads Kiilerich - - Load All Authors

File last commit:

r13158:9e7e2405 default


                r13158:9e7e2405

default

Download file

             test-issue619.t
        
                    34 lines
            
             | 697 B
            
                | text/troff
            
             |
                Tads3Lexer
            
             / tests / test-issue619.t
          
                    History
                
                 |
                  Annotation
                 | Raw
                 |Copy content
                 |Copy permalink

      http://mercurial.selenic.com/bts/issue619

        $ hg init

        $ echo a > a

        $ hg ci -Ama

        adding a

        $ echo b > b

        $ hg branch b

        marked working directory as branch b

        $ hg ci -Amb

        adding b

        $ hg co -C 0

        0 files updated, 0 files merged, 1 files removed, 0 files unresolved

      Fast-forward:

        $ hg merge b

        1 files updated, 0 files merged, 0 files removed, 0 files unresolved

        (branch merge, don't forget to commit)

        $ hg branch

        default

        $ hg parent --template '{rev}:{node|short} {branches}: {desc}\n'

        1:06c2121185be b: b

        $ hg ci -Ammerge

        created new head

      Bogus fast-forward should fail:

        $ hg merge b

        abort: merging with a working directory ancestor has no effect

        [255]

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				http://mercurial.selenic.com/bts/issue619

				$ hg init
				$ echo a > a
				$ hg ci -Ama
				adding a

				$ echo b > b
				$ hg branch b
				marked working directory as branch b
				$ hg ci -Amb
				adding b

				$ hg co -C 0
				0 files updated, 0 files merged, 1 files removed, 0 files unresolved

				Fast-forward:

				$ hg merge b
				1 files updated, 0 files merged, 0 files removed, 0 files unresolved
				(branch merge, don't forget to commit)
				$ hg branch
				default
				$ hg parent --template '{rev}:{node\|short} {branches}: {desc}\n'
				1:06c2121185be b: b
				$ hg ci -Ammerge
				created new head

				Bogus fast-forward should fail:

				$ hg merge b
				abort: merging with a working directory ancestor has no effect
				[255]