X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=git-debrebase.1.pod;h=286d6718dc13db423c63406b84db1166fd0983dc;hp=1c3e68128f0e4967e90d1bb9e219b43b075e57a9;hb=6195748b77343d61f81ee4cdac2942fbbfcc3590;hpb=da6f19f4f54e84723e9d1435bcfd4f7db8e55986

diff --git a/git-debrebase.1.pod b/git-debrebase.1.pod
index 1c3e6812..286d6718 100644
--- a/git-debrebase.1.pod
+++ b/git-debrebase.1.pod
@@ -55,6 +55,12 @@ The options for git-rebase must either start with C<-i>,
 or be prececded by C<-->,
 to distinguish them from options for git-debrebase.
 
+It is hazardous to use plain git-rebase on a git-debrebase branch,
+because git-rebase has a tendency to start the rebase
+too far back in history,
+and then drop important commits.
+Soo L<git-debrebase(5)/ILLEGAL OPERATIONS>
+
 =item git-debrebase status
 
 Analyses the current branch,
@@ -135,6 +141,12 @@ If you git-rebase --abort,
 the whole new upstream operation is aborted,
 except for the laundering.
 
+<new-version>
+may be whole new Debian version, including revision,
+or just the upstream part,
+in which case -1 will be appended
+to make the new Debian version.
+
 The <upstream-details> are, optionally, in order:
 
 =over
@@ -244,6 +256,8 @@ the gbp upstream branch, if there is one.
 It is a snag if it is not an ancestor of HEAD,
 or if the history between the upstream and HEAD
 contains commits which make changes to upstream files.
+If it is not specified,
+the same algorithm is used as for git-debrebase new-upstream.
 
 It is also a snag if the specified upstream
 has a debian/ subdirectory.
@@ -251,9 +265,18 @@ This check exists to detect certain likely user errors,
 but if this situation is true and expected,
 forcing it is fine.
 
+git-debrebase will try to look for the dgit archive view
+of the most recent release,
+and if it finds it will make a pseduomerge so that
+your new git-debrebase view is appropriately fast forward.
+
 The result is a well-formed git-debrebase interchange branch.
 The result is also fast-forward from the gbp branch.
 
+It is a snag if the new branch looks like it will have diverged,
+just as for a laundering/unstitching call to git-debrebase;
+See L</Establish the current branch's ffq-prev>, below.
+
 Note that it is dangerous not to know whether you are
 dealing with a gbp patches-unappled branch containing quilt patches,
 or a git-debrebase interchange branch.