index 124cb5846b07ee9aa72fac4cbb88098c94f5741a..21ac20c3056062892f938297f44c7e82145e2b61 100755 (executable)
continue continue rebasing process
abort abort rebasing process and restore original branch
skip skip current patch and continue rebasing process
continue continue rebasing process
abort abort rebasing process and restore original branch
skip skip current patch and continue rebasing process
+no-verify override pre-rebase hook from stopping the operation
+root rebase all reachable commmits up to the root(s)
"
. git-sh-setup
"
. git-sh-setup
MSG="$DOTEST"/message
SQUASH_MSG="$DOTEST"/message-squash
REWRITTEN="$DOTEST"/rewritten
MSG="$DOTEST"/message
SQUASH_MSG="$DOTEST"/message-squash
REWRITTEN="$DOTEST"/rewritten
+DROPPED="$DOTEST"/dropped
PRESERVE_MERGES=
STRATEGY=
ONTO=
VERBOSE=
PRESERVE_MERGES=
STRATEGY=
ONTO=
VERBOSE=
+OK_TO_SKIP_PRE_REBASE=
+REBASE_ROOT=
GIT_CHERRY_PICK_HELP=" After resolving the conflicts,
mark the corrected paths with 'git add <paths>', and
GIT_CHERRY_PICK_HELP=" After resolving the conflicts,
mark the corrected paths with 'git add <paths>', and
}
run_pre_rebase_hook () {
}
run_pre_rebase_hook () {
- if test -x "$GIT_DIR/hooks/pre-rebase"
+ if test -z "$OK_TO_SKIP_PRE_REBASE" &&
+ test -x "$GIT_DIR/hooks/pre-rebase"
then
"$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || {
echo >&2 "The pre-rebase hook refused to rebase."
then
"$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || {
echo >&2 "The pre-rebase hook refused to rebase."
}
make_patch () {
}
make_patch () {
- parent_sha1=$(git rev-parse --verify "$1"^) ||
- die "Cannot get patch for $1^"
- git diff-tree -p "$parent_sha1".."$1" > "$DOTEST"/patch
+ sha1_and_parents="$(git rev-list --parents -1 "$1")"
+ case "$sha1_and_parents" in
+ ?*' '?*' '?*)
+ git diff --cc $sha1_and_parents
+ ;;
+ ?*' '?*)
+ git diff-tree -p "$1^!"
+ ;;
+ *)
+ echo "Root commit"
+ ;;
+ esac > "$DOTEST"/patch
test -f "$DOTEST"/message ||
git cat-file commit "$1" | sed "1,/^$/d" > "$DOTEST"/message
test -f "$DOTEST"/author-script ||
test -f "$DOTEST"/message ||
git cat-file commit "$1" | sed "1,/^$/d" > "$DOTEST"/message
test -f "$DOTEST"/author-script ||
output git rev-parse --verify $sha1 || die "Invalid commit name: $sha1"
test -d "$REWRITTEN" &&
pick_one_preserving_merges "$@" && return
output git rev-parse --verify $sha1 || die "Invalid commit name: $sha1"
test -d "$REWRITTEN" &&
pick_one_preserving_merges "$@" && return
+ if test ! -z "$REBASE_ROOT"
+ then
+ output git cherry-pick "$@"
+ return
+ fi
parent_sha1=$(git rev-parse --verify $sha1^) ||
die "Could not get the parent of $sha1"
current_sha1=$(git rev-parse --verify HEAD)
parent_sha1=$(git rev-parse --verify $sha1^) ||
die "Could not get the parent of $sha1"
current_sha1=$(git rev-parse --verify HEAD)
if test -f "$DOTEST"/current-commit
then
if test -f "$DOTEST"/current-commit
then
- current_commit=$(cat "$DOTEST"/current-commit) &&
- git rev-parse HEAD > "$REWRITTEN"/$current_commit &&
- rm "$DOTEST"/current-commit ||
- die "Cannot write current commit's replacement sha1"
+ if test "$fast_forward" = t
+ then
+ cat "$DOTEST"/current-commit | while read current_commit
+ do
+ git rev-parse HEAD > "$REWRITTEN"/$current_commit
+ done
+ rm "$DOTEST"/current-commit ||
+ die "Cannot write current commit's replacement sha1"
+ fi
fi
fi
- echo $sha1 > "$DOTEST"/current-commit
+ echo $sha1 >> "$DOTEST"/current-commit
# rewrite parents; if none were rewritten, we can fast-forward.
new_parents=
# rewrite parents; if none were rewritten, we can fast-forward.
new_parents=
- for p in $(git rev-list --parents -1 $sha1 | cut -d' ' -f2-)
+ pend=" $(git rev-list --parents -1 $sha1 | cut -d' ' -s -f2-)"
+ if test "$pend" = " "
+ then
+ pend=" root"
+ fi
+ while [ "$pend" != "" ]
do
do
+ p=$(expr "$pend" : ' \([^ ]*\)')
+ pend="${pend# $p}"
+
if test -f "$REWRITTEN"/$p
then
new_p=$(cat "$REWRITTEN"/$p)
if test -f "$REWRITTEN"/$p
then
new_p=$(cat "$REWRITTEN"/$p)
+
+ # If the todo reordered commits, and our parent is marked for
+ # rewriting, but hasn't been gotten to yet, assume the user meant to
+ # drop it on top of the current HEAD
+ if test -z "$new_p"
+ then
+ new_p=$(git rev-parse HEAD)
+ fi
+
test $p != $new_p && fast_forward=f
case "$new_parents" in
*$new_p*)
test $p != $new_p && fast_forward=f
case "$new_parents" in
*$new_p*)
;;
esac
else
;;
esac
else
- new_parents="$new_parents $p"
+ if test -f "$DROPPED"/$p
+ then
+ fast_forward=f
+ replacement="$(cat "$DROPPED"/$p)"
+ test -z "$replacement" && replacement=root
+ pend=" $replacement$pend"
+ else
+ new_parents="$new_parents $p"
+ fi
fi
done
case $fast_forward in
fi
done
case $fast_forward in
die "Cannot fast forward to $sha1"
;;
f)
die "Cannot fast forward to $sha1"
;;
f)
- test "a$1" = a-n && die "Refusing to squash a merge: $sha1"
-
first_parent=$(expr "$new_parents" : ' \([^ ]*\)')
first_parent=$(expr "$new_parents" : ' \([^ ]*\)')
- # detach HEAD to current parent
- output git checkout $first_parent 2> /dev/null ||
- die "Cannot move HEAD to $first_parent"
+
+ if [ "$1" != "-n" ]
+ then
+ # detach HEAD to current parent
+ output git checkout $first_parent 2> /dev/null ||
+ die "Cannot move HEAD to $first_parent"
+ fi
case "$new_parents" in
' '*' '*)
case "$new_parents" in
' '*' '*)
+ test "a$1" = a-n && die "Refusing to squash a merge: $sha1"
+
# redo merge
author_script=$(get_author_ident_from_commit $sha1)
eval "$author_script"
# redo merge
author_script=$(get_author_ident_from_commit $sha1)
eval "$author_script"
output git merge $STRATEGY -m "$msg" \
$new_parents
then
output git merge $STRATEGY -m "$msg" \
$new_parents
then
- git rerere
printf "%s\n" "$msg" > "$GIT_DIR"/MERGE_MSG
printf "%s\n" "$msg" > "$GIT_DIR"/MERGE_MSG
- die Error redoing merge $sha1
+ die_with_patch $sha1 "Error redoing merge $sha1"
fi
;;
*)
fi
;;
*)
squash|s)
comment_for_reflog squash
squash|s)
comment_for_reflog squash
- has_action "$DONE" ||
+ test -f "$DONE" && has_action "$DONE" ||
die "Cannot 'squash' without a previous commit"
mark_action_done
die "Cannot 'squash' without a previous commit"
mark_action_done
HEADNAME=$(cat "$DOTEST"/head-name) &&
OLDHEAD=$(cat "$DOTEST"/head) &&
SHORTONTO=$(git rev-parse --short $(cat "$DOTEST"/onto)) &&
HEADNAME=$(cat "$DOTEST"/head-name) &&
OLDHEAD=$(cat "$DOTEST"/head) &&
SHORTONTO=$(git rev-parse --short $(cat "$DOTEST"/onto)) &&
- if test -d "$REWRITTEN"
- then
- test -f "$DOTEST"/current-commit &&
- current_commit=$(cat "$DOTEST"/current-commit) &&
- git rev-parse HEAD > "$REWRITTEN"/$current_commit
- if test -f "$REWRITTEN"/$OLDHEAD
- then
- NEWHEAD=$(cat "$REWRITTEN"/$OLDHEAD)
- else
- NEWHEAD=$OLDHEAD
- fi
- else
- NEWHEAD=$(git rev-parse HEAD)
- fi &&
+ NEWHEAD=$(git rev-parse HEAD) &&
case $HEADNAME in
refs/*)
message="$GIT_REFLOG_ACTION: $HEADNAME onto $SHORTONTO)" &&
case $HEADNAME in
refs/*)
message="$GIT_REFLOG_ACTION: $HEADNAME onto $SHORTONTO)" &&
test -d "$REWRITTEN" && PRESERVE_MERGES=t
test -f "$DOTEST"/strategy && STRATEGY="$(cat "$DOTEST"/strategy)"
test -f "$DOTEST"/verbose && VERBOSE=t
test -d "$REWRITTEN" && PRESERVE_MERGES=t
test -f "$DOTEST"/strategy && STRATEGY="$(cat "$DOTEST"/strategy)"
test -f "$DOTEST"/verbose && VERBOSE=t
+ test ! -s "$DOTEST"/upstream && REBASE_ROOT=t
}
while test $# != 0
do
case "$1" in
}
while test $# != 0
do
case "$1" in
+ --no-verify)
+ OK_TO_SKIP_PRE_REBASE=yes
+ ;;
+ --verify)
+ ;;
--continue)
is_standalone "$@" || usage
get_saved_options
--continue)
is_standalone "$@" || usage
get_saved_options
-i)
# yeah, we know
;;
-i)
# yeah, we know
;;
+ --root)
+ REBASE_ROOT=t
+ ;;
--onto)
shift
ONTO=$(git rev-parse --verify "$1") ||
--onto)
shift
ONTO=$(git rev-parse --verify "$1") ||
;;
--)
shift
;;
--)
shift
- run_pre_rebase_hook ${1+"$@"}
- test $# -eq 1 -o $# -eq 2 || usage
+ test ! -z "$REBASE_ROOT" -o $# -eq 1 -o $# -eq 2 || usage
test -d "$DOTEST" &&
die "Interactive rebase already started"
git var GIT_COMMITTER_IDENT >/dev/null ||
die "You need to set your committer info first"
test -d "$DOTEST" &&
die "Interactive rebase already started"
git var GIT_COMMITTER_IDENT >/dev/null ||
die "You need to set your committer info first"
+ if test -z "$REBASE_ROOT"
+ then
+ UPSTREAM_ARG="$1"
+ UPSTREAM=$(git rev-parse --verify "$1") || die "Invalid base"
+ test -z "$ONTO" && ONTO=$UPSTREAM
+ shift
+ else
+ UPSTREAM_ARG=--root
+ test -z "$ONTO" &&
+ die "You must specify --onto when using --root"
+ fi
+ run_pre_rebase_hook "$UPSTREAM_ARG" "$@"
+
comment_for_reflog start
require_clean_work_tree
comment_for_reflog start
require_clean_work_tree
- UPSTREAM=$(git rev-parse --verify "$1") || die "Invalid base"
- test -z "$ONTO" && ONTO=$UPSTREAM
-
- if test ! -z "$2"
+ if test ! -z "$1"
then
then
- output git show-ref --verify --quiet "refs/heads/$2" ||
- die "Invalid branchname: $2"
- output git checkout "$2" ||
- die "Could not checkout $2"
+ output git show-ref --verify --quiet "refs/heads/$1" ||
+ die "Invalid branchname: $1"
+ output git checkout "$1" ||
+ die "Could not checkout $1"
fi
HEAD=$(git rev-parse --verify HEAD) || die "No HEAD?"
fi
HEAD=$(git rev-parse --verify HEAD) || die "No HEAD?"
# This ensures that commits on merged, but otherwise
# unrelated side branches are left alone. (Think "X"
# in the man page's example.)
# This ensures that commits on merged, but otherwise
# unrelated side branches are left alone. (Think "X"
# in the man page's example.)
- mkdir "$REWRITTEN" &&
- for c in $(git merge-base --all $HEAD $UPSTREAM)
- do
- echo $ONTO > "$REWRITTEN"/$c ||
+ if test -z "$REBASE_ROOT"
+ then
+ mkdir "$REWRITTEN" &&
+ for c in $(git merge-base --all $HEAD $UPSTREAM)
+ do
+ echo $ONTO > "$REWRITTEN"/$c ||
+ die "Could not init rewritten commits"
+ done
+ else
+ mkdir "$REWRITTEN" &&
+ echo $ONTO > "$REWRITTEN"/root ||
die "Could not init rewritten commits"
die "Could not init rewritten commits"
- done
+ fi
+ # No cherry-pick because our first pass is to determine
+ # parents to rewrite and skipping dropped commits would
+ # prematurely end our probe
MERGES_OPTION=
MERGES_OPTION=
+ first_after_upstream="$(git rev-list --reverse --first-parent $UPSTREAM..$HEAD | head -n 1)"
else
else
- MERGES_OPTION=--no-merges
+ MERGES_OPTION="--no-merges --cherry-pick"
fi
fi
- SHORTUPSTREAM=$(git rev-parse --short $UPSTREAM)
SHORTHEAD=$(git rev-parse --short $HEAD)
SHORTONTO=$(git rev-parse --short $ONTO)
SHORTHEAD=$(git rev-parse --short $HEAD)
SHORTONTO=$(git rev-parse --short $ONTO)
+ if test -z "$REBASE_ROOT"
+ # this is now equivalent to ! -z "$UPSTREAM"
+ then
+ SHORTUPSTREAM=$(git rev-parse --short $UPSTREAM)
+ REVISIONS=$UPSTREAM...$HEAD
+ SHORTREVISIONS=$SHORTUPSTREAM..$SHORTHEAD
+ else
+ REVISIONS=$ONTO...$HEAD
+ SHORTREVISIONS=$SHORTHEAD
+ fi
git rev-list $MERGES_OPTION --pretty=oneline --abbrev-commit \
git rev-list $MERGES_OPTION --pretty=oneline --abbrev-commit \
- --abbrev=7 --reverse --left-right --cherry-pick \
- $UPSTREAM...$HEAD | \
- sed -n "s/^>/pick /p" > "$TODO"
+ --abbrev=7 --reverse --left-right --topo-order \
+ $REVISIONS | \
+ sed -n "s/^>//p" | while read shortsha1 rest
+ do
+ if test t != "$PRESERVE_MERGES"
+ then
+ echo "pick $shortsha1 $rest" >> "$TODO"
+ else
+ sha1=$(git rev-parse $shortsha1)
+ if test -z "$REBASE_ROOT"
+ then
+ preserve=t
+ for p in $(git rev-list --parents -1 $sha1 | cut -d' ' -s -f2-)
+ do
+ if test -f "$REWRITTEN"/$p -a \( $p != $UPSTREAM -o $sha1 = $first_after_upstream \)
+ then
+ preserve=f
+ fi
+ done
+ else
+ preserve=f
+ fi
+ if test f = "$preserve"
+ then
+ touch "$REWRITTEN"/$sha1
+ echo "pick $shortsha1 $rest" >> "$TODO"
+ fi
+ fi
+ done
+
+ # Watch for commits that been dropped by --cherry-pick
+ if test t = "$PRESERVE_MERGES"
+ then
+ mkdir "$DROPPED"
+ # Save all non-cherry-picked changes
+ git rev-list $REVISIONS --left-right --cherry-pick | \
+ sed -n "s/^>//p" > "$DOTEST"/not-cherry-picks
+ # Now all commits and note which ones are missing in
+ # not-cherry-picks and hence being dropped
+ git rev-list $REVISIONS |
+ while read rev
+ do
+ if test -f "$REWRITTEN"/$rev -a "$(grep "$rev" "$DOTEST"/not-cherry-picks)" = ""
+ then
+ # Use -f2 because if rev-list is telling us this commit is
+ # not worthwhile, we don't want to track its multiple heads,
+ # just the history of its first-parent for others that will
+ # be rebasing on top of it
+ git rev-list --parents -1 $rev | cut -d' ' -s -f2 > "$DROPPED"/$rev
+ short=$(git rev-list -1 --abbrev-commit --abbrev=7 $rev)
+ grep -v "^[a-z][a-z]* $short" <"$TODO" > "${TODO}2" ; mv "${TODO}2" "$TODO"
+ rm "$REWRITTEN"/$rev
+ fi
+ done
+ fi
+
test -s "$TODO" || echo noop >> "$TODO"
cat >> "$TODO" << EOF
test -s "$TODO" || echo noop >> "$TODO"
cat >> "$TODO" << EOF
-# Rebase $SHORTUPSTREAM..$SHORTHEAD onto $SHORTONTO
+# Rebase $SHORTREVISIONS onto $SHORTONTO
#
# Commands:
# p, pick = use commit
#
# Commands:
# p, pick = use commit