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rebase-i-p: only list commits that require rewriting in todo
This is heavily based on Stephan Beyer's git sequencer rewrite of rebase-i-p. Each commit is still found by rev-list UPSTREAM..HEAD, but a commit is only included in todo if at least one its parents has been marked for rewriting. Signed-off-by: Stephen Haberman <stephen@exigencecorp.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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a4f25e3682
Коммит
acc8559aa3
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@ -579,18 +579,67 @@ first and then run 'git rebase --continue' again."
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echo $ONTO > "$REWRITTEN"/$c ||
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die "Could not init rewritten commits"
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done
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# No cherry-pick because our first pass is to determine
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# parents to rewrite and skipping dropped commits would
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# prematurely end our probe
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MERGES_OPTION=
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else
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MERGES_OPTION=--no-merges
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MERGES_OPTION="--no-merges --cherry-pick"
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fi
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SHORTUPSTREAM=$(git rev-parse --short $UPSTREAM)
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SHORTHEAD=$(git rev-parse --short $HEAD)
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SHORTONTO=$(git rev-parse --short $ONTO)
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git rev-list $MERGES_OPTION --pretty=oneline --abbrev-commit \
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--abbrev=7 --reverse --left-right --cherry-pick \
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--abbrev=7 --reverse --left-right --topo-order \
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$UPSTREAM...$HEAD | \
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sed -n "s/^>/pick /p" > "$TODO"
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sed -n "s/^>//p" | while read shortsha1 rest
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do
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if test t != "$PRESERVE_MERGES"
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then
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echo "pick $shortsha1 $rest" >> "$TODO"
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else
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sha1=$(git rev-parse $shortsha1)
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preserve=t
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for p in $(git rev-list --parents -1 $sha1 | cut -d' ' -f2-)
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do
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if test -f "$REWRITTEN"/$p
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then
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preserve=f
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fi
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done
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if test f = "$preserve"
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then
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touch "$REWRITTEN"/$sha1
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echo "pick $shortsha1 $rest" >> "$TODO"
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fi
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fi
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done
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# Watch for commits that been dropped by --cherry-pick
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if test t = "$PRESERVE_MERGES"
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then
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mkdir "$DROPPED"
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# Save all non-cherry-picked changes
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git rev-list $UPSTREAM...$HEAD --left-right --cherry-pick | \
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sed -n "s/^>//p" > "$DOTEST"/not-cherry-picks
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# Now all commits and note which ones are missing in
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# not-cherry-picks and hence being dropped
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git rev-list $UPSTREAM...$HEAD --left-right | \
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sed -n "s/^>//p" | while read rev
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do
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if test -f "$REWRITTEN"/$rev -a "$(grep "$rev" "$DOTEST"/not-cherry-picks)" = ""
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then
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# Use -f2 because if rev-list is telling us this commit is
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# not worthwhile, we don't want to track its multiple heads,
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# just the history of its first-parent for others that will
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# be rebasing on top of it
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git rev-list --parents -1 $rev | cut -d' ' -f2 > "$DROPPED"/$rev
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cat "$TODO" | grep -v "${rev:0:7}" > "${TODO}2" ; mv "${TODO}2" "$TODO"
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rm "$REWRITTEN"/$rev
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fi
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done
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fi
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test -s "$TODO" || echo noop >> "$TODO"
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cat >> "$TODO" << EOF
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@ -606,28 +655,6 @@ first and then run 'git rebase --continue' again."
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#
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EOF
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# Watch for commits that been dropped by --cherry-pick
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if test t = "$PRESERVE_MERGES"
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then
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mkdir "$DROPPED"
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# drop the --cherry-pick parameter this time
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git rev-list $MERGES_OPTION --abbrev-commit \
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--abbrev=7 $UPSTREAM...$HEAD --left-right | \
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sed -n "s/^>//p" | while read rev
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do
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grep --quiet "$rev" "$TODO"
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if [ $? -ne 0 ]
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then
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# Use -f2 because if rev-list is telling this commit is not
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# worthwhile, we don't want to track its multiple heads,
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# just the history of its first-parent for others that will
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# be rebasing on top of us
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full=$(git rev-parse $rev)
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git rev-list --parents -1 $rev | cut -d' ' -f2 > "$DROPPED"/$full
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fi
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done
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fi
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has_action "$TODO" ||
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die_abort "Nothing to do"
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