JezK
Edit File: git-merge-octopus
#!/bin/sh # # Copyright (c) 2005 Junio C Hamano # # Resolve two or more trees. # . git-sh-setup LF=' ' # The first parameters up to -- are merge bases; the rest are heads. bases= head= remotes= sep_seen= for arg do case ",$sep_seen,$head,$arg," in *,--,) sep_seen=yes ;; ,yes,,*) head=$arg ;; ,yes,*) remotes="$remotes$arg " ;; *) bases="$bases$arg " ;; esac done # Reject if this is not an octopus -- resolve should be used instead. case "$remotes" in ?*' '?*) ;; *) exit 2 ;; esac # MRC is the current "merge reference commit" # MRT is the current "merge result tree" if ! git diff-index --quiet --cached HEAD -- then gettextln "Error: Your local changes to the following files would be overwritten by merge" git diff-index --cached --name-only HEAD -- | sed -e 's/^/ /' exit 2 fi MRC=$(git rev-parse --verify -q $head) MRT=$(git write-tree) NON_FF_MERGE=0 OCTOPUS_FAILURE=0 for SHA1 in $remotes do case "$OCTOPUS_FAILURE" in 1) # We allow only last one to have a hand-resolvable # conflicts. Last round failed and we still had # a head to merge. gettextln "Automated merge did not work." gettextln "Should not be doing an octopus." exit 2 esac eval pretty_name=\${GITHEAD_$SHA1:-$SHA1} if test "$SHA1" = "$pretty_name" then SHA1_UP="$(echo "$SHA1" | tr a-z A-Z)" eval pretty_name=\${GITHEAD_$SHA1_UP:-$pretty_name} fi common=$(git merge-base --all $SHA1 $MRC) || die "$(eval_gettext "Unable to find common commit with \$pretty_name")" case "$LF$common$LF" in *"$LF$SHA1$LF"*) eval_gettextln "Already up to date with \$pretty_name" continue ;; esac 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. eval_gettextln "Fast-forwarding to: \$pretty_name" git read-tree -u -m $head $SHA1 || exit MRC=$SHA1 MRT=$(git write-tree) continue fi NON_FF_MERGE=1 eval_gettextln "Trying simple merge with \$pretty_name" git read-tree -u -m --aggressive $common $MRT $SHA1 || exit 2 next=$(git write-tree 2>/dev/null) if test $? -ne 0 then gettextln "Simple merge did not work, trying automatic merge." git merge-index -o git-merge-one-file -a || OCTOPUS_FAILURE=1 next=$(git write-tree 2>/dev/null) fi MRC="$MRC $SHA1" MRT=$next done exit "$OCTOPUS_FAILURE"