X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/0914abaaafd5373f1bbbf40cea127f038cc1f7cb..f0e2ce4360a029f53ede032416acb311060aa79b:/doc/rcs/details.mdwn?ds=inline

diff --git a/doc/rcs/details.mdwn b/doc/rcs/details.mdwn
index 3c9e465c2..089221cab 100644
--- a/doc/rcs/details.mdwn
+++ b/doc/rcs/details.mdwn
@@ -1,6 +1,6 @@
 A few bits about the RCS backends
 
-[[toc ]]
+[[!toc ]]
 
 ## Terminology
 
@@ -62,7 +62,7 @@ rcs\_commit().  Is rcs\_prepedit() suitable?
 It follows that the HTML rendering and the CGI handling can be completely
 separated parts in ikiwiki.
 
-What repository should [[RecentChanges]] and [[History]] work on?  R1?
+What repository should [[RecentChanges]] and History work on?  R1?
 
 #### Rationale for doing it differently than in the Subversion case
 
@@ -117,6 +117,14 @@ towards transmitting changes with standalone patch bundles (often by email) as d
 >> plugin in [[todo/darcs]], if you submit one that's complete, I will
 >> probably accept it into ikiwiki.. --[[Joey]]
 
+>>> I'd like to help make a robust darcs (2) backend. I also think ikiwiki should use 
+>>> exactly one darcs repo. I think we can simplify and say conflicting web
+>>> edits are not allowed, like most current wiki engines. I don't see that 
+>>> saving (so much) context in the html is necessary, then. 
+>>> bma, I would like to see your code. --[[Simon_Michael]]
+>>> PS ah, there it is. Let's continue on the [[todo/darcs]] page.
+
+
 ## [[Git]]
 
 Regarding the Git support, Recai says:
@@ -137,6 +145,117 @@ for more details), so I had to invent an ugly hack just for the purpose.
 > it seems to me you could just git-stash them now that git-stash exists.
 > I think it didn't when you first added the git support.. --[[Joey]]
 
+
+>> Yes,  git-stash had not existed before.  What about sth like below?  It
+>> seems to work (I haven't given much thought on the specific implementation
+details).  --[[roktas]]
+
+>>	    # create test files
+>>	    cd /tmp
+>>	    seq 6 >page
+>>	    cat page
+>>	    1
+>>	    2
+>>	    3
+>>	    4
+>>	    5
+>>	    6
+>>	    sed -e 's/2/2ME/' page >page.me # my changes
+>>	    cat page
+>>	    1
+>>	    2ME
+>>	    3
+>>	    4
+>>	    5
+>>	    6
+>>	    sed -e 's/5/5SOMEONE/' page >page.someone # someone's changes
+>>	    cat page
+>>	    1
+>>	    2
+>>	    3
+>>	    4
+>>	    5SOMEONE
+>>	    6
+>>
+>>	    # create a test repository
+>>	    mkdir t
+>>	    cd t
+>>	    cp ../page .
+>>	    git init
+>>	    git add .
+>>	    git commit -m init
+>>
+>>	    # save the current HEAD
+>>	    ME=$(git rev-list HEAD -- page)
+>>	    $EDITOR page # assume that I'm starting to edit page via web
+>>
+>>	    # simulates someone's concurrent commit
+>>	    cp ../page.someone page
+>>	    git commit -m someone -- page
+>>
+>>	    # My editing session ended, the resulting content is in page.me
+>>	    cp ../page.me page
+>>	    cat page
+>>	    1
+>>	    2ME
+>>	    3
+>>	    4
+>>	    5
+>>	    6
+>>
+>>	    # let's start to save my uncommitted changes
+>>	    git stash clear
+>>	    git stash save "changes by me"
+>>	    # we've reached a clean state
+>>	    cat page
+>>	    1
+>>	    2
+>>	    3
+>>	    4
+>>	    5SOMEONE
+>>	    6
+>>
+>>	    # roll-back to the $ME state
+>>	    git reset --soft $ME
+>>	    # now, the file is marked as modified
+>>	    git stash save "changes by someone"
+>>
+>>	    # now, we're at the $ME state
+>>	    cat page
+>>	    1
+>>	    2
+>>	    3
+>>	    4
+>>	    5
+>>	    6
+>>	    git stash list
+>>	    stash@{0}: On master: changes by someone
+>>	    stash@{1}: On master: changes by me
+>>
+>>	    # first apply my changes
+>>	    git stash apply stash@{1}
+>>	    cat page
+>>	    1
+>>	    2ME
+>>	    3
+>>	    4
+>>	    5
+>>	    6
+>>	    # ... and commit
+>>	    git commit -m me -- page
+>>
+>>	    # apply someone's changes
+>>	    git stash apply stash@{0}
+>>	    cat page
+>>	    1
+>>	    2ME
+>>	    3
+>>	    4
+>>	    5SOMEONE
+>>	    6
+>>	    # ... and commit
+>>	    git commit -m me+someone -- page
+
 By design, Git backend uses a "master-clone" repository pair approach in contrast
 to the single repository approach (here, _clone_ may be considered as the working
 copy of a fictious web user).  Even though a single repository implementation is
@@ -147,8 +266,25 @@ on the same local machine, I suggest to create the latter with the "`git clone -
 command to save disk space.
 
 Note that, as a rule of thumb, you should always put the rcs wrapper (`post-update`)
-into the master repository (`.git/hooks/`) as can be noticed in the Git wrappers of
-the sample [[ikiwiki.setup]].
+into the master repository (`.git/hooks/`).
+
+Here is how a web edit works with ikiwiki and git:
+
+* ikiwiki cgi modifies the page source in the clone
+* git-commit in the clone
+* git push origin master, pushes the commit from the clone to the master repo
+* the master repo's post-update hook notices this update, and runs ikiwiki
+* ikiwiki notices the modifies page source, and compiles it
+
+Here is a how a commit from a remote repository works:
+
+* git-commit in the remote repository
+* git-push, pushes the commit to the master repo on the server
+* (Optionally, the master repo's pre-receive hook runs, and checks that the
+  update only modifies files that the pushing user is allowed to update. 
+  If not, it aborts the receive.)
+* the master repo's post-update hook notices this update, and runs ikiwiki
+* ikiwiki notices the modifies page source, and compiles it
 
 ## [[Mercurial]]
 
@@ -226,3 +362,5 @@ merge again with a merger that inserts conflict markers.  It commits this new
 revision with conflict markers to the repository.  It then returns the text to the
 user for cleanup.  This is less neat than it could be, in that a conflict marked
 revision gets committed to the repository.
+
+## [[bzr]]