filter-branch documentation: some more touch-ups. - The map function used to fail, but no longer does (since 3520e1e8687.) - Fix the "edge-graft" example. - Show the same using .git/info/grafts. Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/git-filter-branch.txt b/Documentation/git-filter-branch.txt index 363287d..219a81d 100644 --- a/Documentation/git-filter-branch.txt +++ b/Documentation/git-filter-branch.txt
@@ -58,8 +58,9 @@ A 'map' function is available that takes an "original sha1 id" argument and outputs a "rewritten sha1 id" if the commit has been already -rewritten, fails otherwise; the 'map' function can return several -ids on separate lines if your commit filter emitted multiple commits. +rewritten, and "original sha1 id" otherwise; the 'map' function can +return several ids on separate lines if your commit filter emitted +multiple commits. OPTIONS @@ -166,12 +167,13 @@ Now, you will get the rewritten history saved in the branch 'newbranch' (your current branch is left untouched). -To "etch-graft" a commit to the revision history (set a commit to be -the parent of the current initial commit and propagate that): +To set a commit (which typically is at the tip of another +history) to be the parent of the current initial commit, in +order to paste the other history behind the current history: ----------------------------------------------------------------------- -git filter-branch --parent-filter sed\ 's/^$/-p <graft-id>/' newbranch ----------------------------------------------------------------------- +------------------------------------------------------------------------ +git filter-branch --parent-filter 'sed "s/^\$/-p <graft-id>/"' newbranch +------------------------------------------------------------------------ (if the parent string is empty - therefore we are dealing with the initial commit - add graftcommit as a parent). Note that this assumes @@ -183,6 +185,13 @@ 'cat; test $GIT_COMMIT = <commit-id> && echo "-p <graft-id>"' newbranch ------------------------------------------------------------------------------- +or even simpler: + +----------------------------------------------- +echo "$commit-id $graft-id" >> .git/info/grafts +git filter-branch newbranch $graft-id.. +----------------------------------------------- + To remove commits authored by "Darl McBribe" from the history: ------------------------------------------------------------------------------