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81334502ee
Its not very easy to understand what heads are being merged given the current output of an octopus merge. Fix this by replacing the sha1 with the (usually) better description in GITHEAD_<SHA1>. Suggested-by: Jari Aalto <jari.aalto@cante.net> Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
109 lines
2.1 KiB
Bash
Executable File
109 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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# Resolve two or more trees.
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#
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LF='
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'
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die () {
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echo >&2 "$*"
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exit 1
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}
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# The first parameters up to -- are merge bases; the rest are heads.
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bases= head= remotes= sep_seen=
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for arg
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do
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case ",$sep_seen,$head,$arg," in
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*,--,)
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sep_seen=yes
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;;
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,yes,,*)
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head=$arg
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;;
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,yes,*)
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remotes="$remotes$arg "
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;;
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*)
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bases="$bases$arg "
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;;
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esac
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done
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# Reject if this is not an Octopus -- resolve should be used instead.
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case "$remotes" in
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?*' '?*)
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;;
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*)
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exit 2 ;;
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esac
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# MRC is the current "merge reference commit"
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# MRT is the current "merge result tree"
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MRC=$head MSG= PARENT="-p $head"
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MRT=$(git write-tree)
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CNT=1 ;# counting our head
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NON_FF_MERGE=0
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OCTOPUS_FAILURE=0
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for SHA1 in $remotes
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do
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case "$OCTOPUS_FAILURE" in
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1)
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# We allow only last one to have a hand-resolvable
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# conflicts. Last round failed and we still had
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# a head to merge.
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echo "Automated merge did not work."
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echo "Should not be doing an Octopus."
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exit 2
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esac
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eval pretty_name=\${GITHEAD_$SHA1:-$SHA1}
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common=$(git merge-base --all $SHA1 $MRC) ||
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die "Unable to find common commit with $pretty_name"
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case "$LF$common$LF" in
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*"$LF$SHA1$LF"*)
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echo "Already up-to-date with $pretty_name"
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continue
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;;
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esac
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CNT=`expr $CNT + 1`
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PARENT="$PARENT -p $SHA1"
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if test "$common,$NON_FF_MERGE" = "$MRC,0"
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then
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# The first head being merged was a fast-forward.
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# Advance MRC to the head being merged, and use that
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# tree as the intermediate result of the merge.
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# We still need to count this as part of the parent set.
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echo "Fast-forwarding to: $pretty_name"
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git read-tree -u -m $head $SHA1 || exit
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MRC=$SHA1 MRT=$(git write-tree)
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continue
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fi
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NON_FF_MERGE=1
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echo "Trying simple merge with $pretty_name"
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git read-tree -u -m --aggressive $common $MRT $SHA1 || exit 2
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next=$(git write-tree 2>/dev/null)
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if test $? -ne 0
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then
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echo "Simple merge did not work, trying automatic merge."
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git-merge-index -o git-merge-one-file -a ||
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OCTOPUS_FAILURE=1
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next=$(git write-tree 2>/dev/null)
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fi
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MRC="$MRC $SHA1"
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MRT=$next
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done
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exit "$OCTOPUS_FAILURE"
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