Remove "octopus".

We still advertise "git resolve" as a standalone command, but never
"git octopus", so nobody should be using it and it is safe to
retire it.  The functionality is still available as a strategy
backend.

Signed-off-by: Junio C Hamano <junkio@cox.net>

.gitignore

@@ -60,7 +60,6 @@ git-merge-stupid
 git-mktag
 git-name-rev
 git-mv
-git-octopus
 git-pack-redundant
 git-pack-objects
 git-parse-remote

Documentation/git-octopus.txt

@@ -1,38 +0,0 @@
-git-octopus(1)
-==============
-
-NAME
-----
-git-octopus - Merge more than two commits.
-
-
-SYNOPSIS
---------
-'git-octopus'
-
-DESCRIPTION
------------
-After running 'git fetch', $GIT_DIR/FETCH_HEAD contains the
-following information, one line per remote ref:
-
-------------------------------------------------
-<object name>	<ref name> from <repository>
-------------------------------------------------
-
-Using this information, create and commit an Octopus merge on
-top of the current HEAD.
-
-
-Author
-------
-Written by Junio C Hamano <junkio@cox.net>
-
-
-Documentation
---------------
-Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
-
-GIT
----
-Part of the gitlink:git[7] suite
-

Documentation/git.txt

@@ -297,9 +297,6 @@ gitlink:git-merge[1]::
 gitlink:git-mv[1]::
 	Move or rename a file, a directory, or a symlink.
 
-gitlink:git-octopus[1]::
-	Merge more than two commits.
-
 gitlink:git-pull[1]::
 	Fetch from and merge with a remote repository.
 

Makefile

@@ -89,7 +89,7 @@ SCRIPT_SH = \
 	git-cherry.sh git-clone.sh git-commit.sh \
 	git-count-objects.sh git-diff.sh git-fetch.sh \
 	git-format-patch.sh git-log.sh git-ls-remote.sh \
-	git-merge-one-file.sh git-octopus.sh git-parse-remote.sh \
+	git-merge-one-file.sh git-parse-remote.sh \
 	git-prune.sh git-pull.sh git-push.sh git-rebase.sh \
 	git-repack.sh git-request-pull.sh git-reset.sh \
 	git-resolve.sh git-revert.sh git-sh-setup.sh git-status.sh \

git-octopus.sh

@@ -1,90 +0,0 @@
-#!/bin/sh
-#
-# Copyright (c) 2005 Junio C Hamano
-#
-# Resolve two or more trees recorded in $GIT_DIR/FETCH_HEAD.
-#
-. git-sh-setup
-
-usage () {
-    die "usage: git octopus"
-}
-
-# Sanity check the heads early.
-while read SHA1 REPO
-do
-	test $(git-cat-file -t $SHA1) = "commit" ||
-		die "$REPO given to octopus is not a commit"
-done <"$GIT_DIR/FETCH_HEAD"
-
-head=$(git-rev-parse --verify HEAD) || exit
-
-git-update-index --refresh ||
-	die "Your working tree is dirty."
-test "$(git-diff-index --cached "$head")" = "" ||
-	die "Your working tree does not match HEAD."
-
-# MRC is the current "merge reference commit"
-# MRT is the current "merge result tree"
-
-MRC=$head PARENT="-p $head"
-MRT=$(git-write-tree)
-CNT=1 ;# counting our head
-NON_FF_MERGE=0
-while read SHA1 REPO
-do
-	common=$(git-merge-base $MRC $SHA1) ||
-		die "Unable to find common commit with $SHA1 from $REPO"
-
-	if test "$common" = $SHA1
-	then
-		echo "Already up-to-date: $REPO"
-		continue
-	fi
-
-	CNT=`expr $CNT + 1`
-	PARENT="$PARENT -p $SHA1"
-
-	if test "$common,$NON_FF_MERGE" = "$MRC,0"
-	then
-		# The first head being merged was a fast-forward.
-		# Advance MRC to the head being merged, and use that
-		# tree as the intermediate result of the merge.
-		# We still need to count this as part of the parent set.
-
-		echo "Fast forwarding to: $REPO"
-		git-read-tree -u -m $head $SHA1 || exit
-		MRC=$SHA1 MRT=$(git-write-tree)
-		continue
-	fi
-
-	NON_FF_MERGE=1
-
-	echo "Trying simple merge with $REPO"
-	git-read-tree -u -m $common $MRT $SHA1 || exit
-	next=$(git-write-tree 2>/dev/null)
-	if test $? -ne 0
-	then
-		echo "Simple merge did not work, trying automatic merge."
-		git-merge-index -o git-merge-one-file -a || {
-		git-read-tree --reset "$head"
-		git-checkout-index -f -q -u -a
-		die "Automatic merge failed; should not be doing Octopus"
-		}
-		next=$(git-write-tree 2>/dev/null)
-	fi
-	MRC=$common
-	MRT=$next
-done <"$GIT_DIR/FETCH_HEAD"
-
-# Just to be careful in case the user feeds nonsense to us.
-case "$CNT" in
-1)
-	echo "No changes."
-	exit 0 ;;
-esac
-result_commit=$(git-fmt-merge-msg <"$GIT_DIR/FETCH_HEAD" |
-		git-commit-tree $MRT $PARENT)
-echo "Committed merge $result_commit"
-git-update-ref HEAD $result_commit $head
-git-diff-tree -p $head $result_commit | git-apply --stat