# file and written to the tail of $done.
todo="$state_dir"/git-rebase-todo
-# The rebase command lines that have already been processed. A line
-# is moved here when it is first handled, before any associated user
-# actions.
-done="$state_dir"/done
-
-# The commit message that is planned to be used for any changes that
-# need to be committed following a user interaction.
-msg="$state_dir"/message
-
-# The file into which is accumulated the suggested commit message for
-# squash/fixup commands. When the first of a series of squash/fixups
-# is seen, the file is created and the commit message from the
-# previous commit and from the first squash/fixup commit are written
-# to it. The commit message for each subsequent squash/fixup commit
-# is appended to the file as it is processed.
-#
-# The first line of the file is of the form
-# # This is a combination of $count commits.
-# where $count is the number of commits whose messages have been
-# written to the file so far (including the initial "pick" commit).
-# Each time that a commit message is processed, this line is read and
-# updated. It is deleted just before the combined commit is made.
-squash_msg="$state_dir"/message-squash
-
-# If the current series of squash/fixups has not yet included a squash
-# command, then this file exists and holds the commit message of the
-# original "pick" commit. (If the series ends without a "squash"
-# command, then this can be used as the commit message of the combined
-# commit without opening the editor.)
-fixup_msg="$state_dir"/message-fixup
-
-# $rewritten is the name of a directory containing files for each
-# commit that is reachable by at least one merge base of $head and
-# $upstream. They are not necessarily rewritten, but their children
-# might be. This ensures that commits on merged, but otherwise
-# unrelated side branches are left alone. (Think "X" in the man page's
-# example.)
-rewritten="$state_dir"/rewritten
-
-dropped="$state_dir"/dropped
-
-end="$state_dir"/end
-msgnum="$state_dir"/msgnum
-
-# A script to set the GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and
-# GIT_AUTHOR_DATE that will be used for the commit that is currently
-# being rebased.
-author_script="$state_dir"/author-script
-
-# When an "edit" rebase command is being processed, the SHA1 of the
-# commit to be edited is recorded in this file. When "git rebase
-# --continue" is executed, if there are any staged changes then they
-# will be amended to the HEAD commit, but only provided the HEAD
-# commit is still the commit to be edited. When any other rebase
-# command is processed, this file is deleted.
-amend="$state_dir"/amend
-
-# For the post-rewrite hook, we make a list of rewritten commits and
-# their new sha1s. The rewritten-pending list keeps the sha1s of
-# commits that have been processed, but not committed yet,
-# e.g. because they are waiting for a 'squash' command.
-rewritten_list="$state_dir"/rewritten-list
-rewritten_pending="$state_dir"/rewritten-pending
-
-# Work around Git for Windows' Bash whose "read" does not strip CRLF
-# and leaves CR at the end instead.
-cr=$(printf "\015")
-
-strategy_args=${strategy:+--strategy=$strategy}
-test -n "$strategy_opts" &&
-eval '
- for strategy_opt in '"$strategy_opts"'
- do
- strategy_args="$strategy_args -X$(git rev-parse --sq-quote "${strategy_opt#--}")"
- done
-'
-
GIT_CHERRY_PICK_HELP="$resolvemsg"
export GIT_CHERRY_PICK_HELP
;;
esac
-warn () {
- printf '%s\n' "$*" >&2
-}
-
-# Output the commit message for the specified commit.
-commit_message () {
- git cat-file commit "$1" | sed "1,/^$/d"
-}
-
orig_reflog_action="$GIT_REFLOG_ACTION"
comment_for_reflog () {
esac
}
-last_count=
-mark_action_done () {
- sed -e 1q < "$todo" >> "$done"
- sed -e 1d < "$todo" >> "$todo".new
- mv -f "$todo".new "$todo"
- new_count=$(( $(git stripspace --strip-comments <"$done" | wc -l) ))
- echo $new_count >"$msgnum"
- total=$(($new_count + $(git stripspace --strip-comments <"$todo" | wc -l)))
- echo $total >"$end"
- if test "$last_count" != "$new_count"
- then
- last_count=$new_count
- eval_gettext "Rebasing (\$new_count/\$total)"; printf "\r"
- test -z "$verbose" || echo
- fi
-}
-
-# Put the last action marked done at the beginning of the todo list
-# again. If there has not been an action marked done yet, leave the list of
-# items on the todo list unchanged.
-reschedule_last_action () {
- tail -n 1 "$done" | cat - "$todo" >"$todo".new
- sed -e \$d <"$done" >"$done".new
- mv -f "$todo".new "$todo"
- mv -f "$done".new "$done"
-}
-
append_todo_help () {
gettext "
Commands:
- p, pick = use commit
- r, reword = use commit, but edit the commit message
- e, edit = use commit, but stop for amending
- s, squash = use commit, but meld into previous commit
- f, fixup = like \"squash\", but discard this commit's log message
- x, exec = run command (the rest of the line) using shell
- d, drop = remove commit
+p, pick <commit> = use commit
+r, reword <commit> = use commit, but edit the commit message
+e, edit <commit> = use commit, but stop for amending
+s, squash <commit> = use commit, but meld into previous commit
+f, fixup <commit> = like \"squash\", but discard this commit's log message
+x, exec <command> = run command (the rest of the line) using shell
+d, drop <commit> = remove commit
+l, label <label> = label current HEAD with a name
+t, reset <label> = reset HEAD to a label
+m, merge [-C <commit> | -c <commit>] <label> [# <oneline>]
+. create a merge commit using the original merge commit's
+. message (or the oneline, if no original merge commit was
+. specified). Use -c <commit> to reword the commit message.
These lines can be re-ordered; they are executed from top to bottom.
" | git stripspace --comment-lines >>"$todo"
fi
}
-make_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 "$1^!"
- ;;
- *)
- echo "Root commit"
- ;;
- esac > "$state_dir"/patch
- test -f "$msg" ||
- commit_message "$1" > "$msg"
- test -f "$author_script" ||
- get_author_ident_from_commit "$1" > "$author_script"
-}
-
-die_with_patch () {
- echo "$1" > "$state_dir"/stopped-sha
- make_patch "$1"
- die "$2"
-}
-
-exit_with_patch () {
- echo "$1" > "$state_dir"/stopped-sha
- make_patch $1
- git rev-parse --verify HEAD > "$amend"
- gpg_sign_opt_quoted=${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")}
- warn "$(eval_gettext "\
-You can amend the commit now, with
-
- git commit --amend \$gpg_sign_opt_quoted
-
-Once you are satisfied with your changes, run
-
- git rebase --continue")"
- warn
- exit $2
-}
-
die_abort () {
apply_autostash
rm -rf "$state_dir"
test -n "$(git stripspace --strip-comments <"$1")"
}
-is_empty_commit() {
- tree=$(git rev-parse -q --verify "$1"^{tree} 2>/dev/null) || {
- sha1=$1
- die "$(eval_gettext "\$sha1: not a commit that can be picked")"
- }
- ptree=$(git rev-parse -q --verify "$1"^^{tree} 2>/dev/null) ||
- ptree=4b825dc642cb6eb9a060e54bf8d69288fbee4904
- test "$tree" = "$ptree"
-}
-
-is_merge_commit()
-{
- git rev-parse --verify --quiet "$1"^2 >/dev/null 2>&1
-}
-
-# Run command with GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and
-# GIT_AUTHOR_DATE exported from the current environment.
-do_with_author () {
- (
- export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
- "$@"
- )
-}
-
git_sequence_editor () {
if test -z "$GIT_SEQUENCE_EDITOR"
then
eval "$GIT_SEQUENCE_EDITOR" '"$@"'
}
-pick_one () {
- ff=--ff
-
- case "$1" in -n) sha1=$2; ff= ;; *) sha1=$1 ;; esac
- case "$force_rebase" in '') ;; ?*) ff= ;; esac
- output git rev-parse --verify $sha1 || die "$(eval_gettext "Invalid commit name: \$sha1")"
-
- if is_empty_commit "$sha1"
- then
- empty_args="--allow-empty"
- fi
-
- test -d "$rewritten" &&
- pick_one_preserving_merges "$@" && return
- output eval git cherry-pick $allow_rerere_autoupdate \
- ${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \
- "$strategy_args" $empty_args $ff "$@"
-
- # If cherry-pick dies it leaves the to-be-picked commit unrecorded. Reschedule
- # previous task so this commit is not lost.
- ret=$?
- case "$ret" in [01]) ;; *) reschedule_last_action ;; esac
- return $ret
-}
-
-pick_one_preserving_merges () {
- fast_forward=t
- case "$1" in
- -n)
- fast_forward=f
- sha1=$2
- ;;
- *)
- sha1=$1
- ;;
- esac
- sha1=$(git rev-parse $sha1)
-
- if test -f "$state_dir"/current-commit
- then
- if test "$fast_forward" = t
- then
- while read current_commit
- do
- git rev-parse HEAD > "$rewritten"/$current_commit
- done <"$state_dir"/current-commit
- rm "$state_dir"/current-commit ||
- die "$(gettext "Cannot write current commit's replacement sha1")"
- fi
- fi
-
- echo $sha1 >> "$state_dir"/current-commit
-
- # rewrite parents; if none were rewritten, we can fast-forward.
- new_parents=
- pend=" $(git rev-list --parents -1 $sha1 | cut -d' ' -s -f2-)"
- if test "$pend" = " "
- then
- pend=" root"
- fi
- while [ "$pend" != "" ]
- do
- p=$(expr "$pend" : ' \([^ ]*\)')
- pend="${pend# $p}"
-
- if test -f "$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
- *$new_p*)
- ;; # do nothing; that parent is already there
- *)
- new_parents="$new_parents $new_p"
- ;;
- esac
- else
- if test -f "$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 $fast_forward in
- t)
- output warn "$(eval_gettext "Fast-forward to \$sha1")"
- output git reset --hard $sha1 ||
- die "$(eval_gettext "Cannot fast-forward to \$sha1")"
- ;;
- f)
- first_parent=$(expr "$new_parents" : ' \([^ ]*\)')
-
- if [ "$1" != "-n" ]
- then
- # detach HEAD to current parent
- output git checkout $first_parent 2> /dev/null ||
- die "$(eval_gettext "Cannot move HEAD to \$first_parent")"
- fi
-
- case "$new_parents" in
- ' '*' '*)
- test "a$1" = a-n && die "$(eval_gettext "Refusing to squash a merge: \$sha1")"
-
- # redo merge
- author_script_content=$(get_author_ident_from_commit $sha1)
- eval "$author_script_content"
- msg_content="$(commit_message $sha1)"
- # No point in merging the first parent, that's HEAD
- new_parents=${new_parents# $first_parent}
- merge_args="--no-log --no-ff"
- if ! do_with_author output eval \
- 'git merge ${gpg_sign_opt:+"$gpg_sign_opt"} \
- $allow_rerere_autoupdate $merge_args \
- $strategy_args -m "$msg_content" $new_parents'
- then
- printf "%s\n" "$msg_content" > "$GIT_DIR"/MERGE_MSG
- die_with_patch $sha1 "$(eval_gettext "Error redoing merge \$sha1")"
- fi
- echo "$sha1 $(git rev-parse HEAD^0)" >> "$rewritten_list"
- ;;
- *)
- output eval git cherry-pick $allow_rerere_autoupdate \
- ${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \
- "$strategy_args" "$@" ||
- die_with_patch $sha1 "$(eval_gettext "Could not pick \$sha1")"
- ;;
- esac
- ;;
- esac
-}
-
-this_nth_commit_message () {
- n=$1
- eval_gettext "This is the commit message #\${n}:"
-}
-
-skip_nth_commit_message () {
- n=$1
- eval_gettext "The commit message #\${n} will be skipped:"
-}
-
-update_squash_messages () {
- if test -f "$squash_msg"; then
- mv "$squash_msg" "$squash_msg".bak || exit
- count=$(($(sed -n \
- -e "1s/^$comment_char[^0-9]*\([0-9][0-9]*\).*/\1/p" \
- -e "q" < "$squash_msg".bak)+1))
- {
- printf '%s\n' "$comment_char $(eval_ngettext \
- "This is a combination of \$count commit." \
- "This is a combination of \$count commits." \
- $count)"
- sed -e 1d -e '2,/^./{
- /^$/d
- }' <"$squash_msg".bak
- } >"$squash_msg"
- else
- commit_message HEAD >"$fixup_msg" ||
- die "$(eval_gettext "Cannot write \$fixup_msg")"
- count=2
- {
- printf '%s\n' "$comment_char $(gettext "This is a combination of 2 commits.")"
- printf '%s\n' "$comment_char $(gettext "This is the 1st commit message:")"
- echo
- cat "$fixup_msg"
- } >"$squash_msg"
- fi
- case $1 in
- squash)
- rm -f "$fixup_msg"
- echo
- printf '%s\n' "$comment_char $(this_nth_commit_message $count)"
- echo
- commit_message $2
- ;;
- fixup)
- echo
- printf '%s\n' "$comment_char $(skip_nth_commit_message $count)"
- echo
- # Change the space after the comment character to TAB:
- commit_message $2 | git stripspace --comment-lines | sed -e 's/ / /'
- ;;
- esac >>"$squash_msg"
-}
-
-peek_next_command () {
- git stripspace --strip-comments <"$todo" | sed -n -e 's/ .*//p' -e q
-}
-
-# A squash/fixup has failed. Prepare the long version of the squash
-# commit message, then die_with_patch. This code path requires the
-# user to edit the combined commit message for all commits that have
-# been squashed/fixedup so far. So also erase the old squash
-# messages, effectively causing the combined commit to be used as the
-# new basis for any further squash/fixups. Args: sha1 rest
-die_failed_squash() {
- sha1=$1
- rest=$2
- mv "$squash_msg" "$msg" || exit
- rm -f "$fixup_msg"
- cp "$msg" "$GIT_DIR"/MERGE_MSG || exit
- warn
- warn "$(eval_gettext "Could not apply \$sha1... \$rest")"
- die_with_patch $sha1 ""
-}
-
-flush_rewritten_pending() {
- test -s "$rewritten_pending" || return
- newsha1="$(git rev-parse HEAD^0)"
- sed "s/$/ $newsha1/" < "$rewritten_pending" >> "$rewritten_list"
- rm -f "$rewritten_pending"
-}
-
-record_in_rewritten() {
- oldsha1="$(git rev-parse $1)"
- echo "$oldsha1" >> "$rewritten_pending"
-
- case "$(peek_next_command)" in
- squash|s|fixup|f)
- ;;
- *)
- flush_rewritten_pending
- ;;
- esac
-}
-
-do_pick () {
- sha1=$1
- rest=$2
- if test "$(git rev-parse HEAD)" = "$squash_onto"
- then
- # Set the correct commit message and author info on the
- # sentinel root before cherry-picking the original changes
- # without committing (-n). Finally, update the sentinel again
- # to include these changes. If the cherry-pick results in a
- # conflict, this means our behaviour is similar to a standard
- # failed cherry-pick during rebase, with a dirty index to
- # resolve before manually running git commit --amend then git
- # rebase --continue.
- git commit --allow-empty --allow-empty-message --amend \
- --no-post-rewrite -n -q -C $sha1 &&
- pick_one -n $sha1 &&
- git commit --allow-empty --allow-empty-message \
- --amend --no-post-rewrite -n -q -C $sha1 \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
- die_with_patch $sha1 "$(eval_gettext "Could not apply \$sha1... \$rest")"
- else
- pick_one $sha1 ||
- die_with_patch $sha1 "$(eval_gettext "Could not apply \$sha1... \$rest")"
- fi
-}
-
-do_next () {
- rm -f "$msg" "$author_script" "$amend" "$state_dir"/stopped-sha || exit
- read -r command sha1 rest < "$todo"
- case "$command" in
- "$comment_char"*|''|noop|drop|d)
- mark_action_done
- ;;
- "$cr")
- # Work around CR left by "read" (e.g. with Git for Windows' Bash).
- mark_action_done
- ;;
- pick|p)
- comment_for_reflog pick
-
- mark_action_done
- do_pick $sha1 "$rest"
- record_in_rewritten $sha1
- ;;
- reword|r)
- comment_for_reflog reword
-
- mark_action_done
- do_pick $sha1 "$rest"
- git commit --amend --no-post-rewrite ${gpg_sign_opt:+"$gpg_sign_opt"} || {
- warn "$(eval_gettext "\
-Could not amend commit after successfully picking \$sha1... \$rest
-This is most likely due to an empty commit message, or the pre-commit hook
-failed. If the pre-commit hook failed, you may need to resolve the issue before
-you are able to reword the commit.")"
- exit_with_patch $sha1 1
- }
- record_in_rewritten $sha1
- ;;
- edit|e)
- comment_for_reflog edit
-
- mark_action_done
- do_pick $sha1 "$rest"
- sha1_abbrev=$(git rev-parse --short $sha1)
- warn "$(eval_gettext "Stopped at \$sha1_abbrev... \$rest")"
- exit_with_patch $sha1 0
- ;;
- squash|s|fixup|f)
- case "$command" in
- squash|s)
- squash_style=squash
- ;;
- fixup|f)
- squash_style=fixup
- ;;
- esac
- comment_for_reflog $squash_style
-
- test -f "$done" && has_action "$done" ||
- die "$(eval_gettext "Cannot '\$squash_style' without a previous commit")"
-
- mark_action_done
- update_squash_messages $squash_style $sha1
- author_script_content=$(get_author_ident_from_commit HEAD)
- echo "$author_script_content" > "$author_script"
- eval "$author_script_content"
- if ! pick_one -n $sha1
- then
- git rev-parse --verify HEAD >"$amend"
- die_failed_squash $sha1 "$rest"
- fi
- case "$(peek_next_command)" in
- squash|s|fixup|f)
- # This is an intermediate commit; its message will only be
- # used in case of trouble. So use the long version:
- do_with_author output git commit --amend --no-verify -F "$squash_msg" \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
- die_failed_squash $sha1 "$rest"
- ;;
- *)
- # This is the final command of this squash/fixup group
- if test -f "$fixup_msg"
- then
- do_with_author git commit --amend --no-verify -F "$fixup_msg" \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
- die_failed_squash $sha1 "$rest"
- else
- cp "$squash_msg" "$GIT_DIR"/SQUASH_MSG || exit
- rm -f "$GIT_DIR"/MERGE_MSG
- do_with_author git commit --amend --no-verify -F "$GIT_DIR"/SQUASH_MSG -e \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
- die_failed_squash $sha1 "$rest"
- fi
- rm -f "$squash_msg" "$fixup_msg"
- ;;
- esac
- record_in_rewritten $sha1
- ;;
- x|"exec")
- read -r command rest < "$todo"
- mark_action_done
- eval_gettextln "Executing: \$rest"
- "${SHELL:-@SHELL_PATH@}" -c "$rest" # Actual execution
- status=$?
- # Run in subshell because require_clean_work_tree can die.
- dirty=f
- (require_clean_work_tree "rebase" 2>/dev/null) || dirty=t
- if test "$status" -ne 0
- then
- warn "$(eval_gettext "Execution failed: \$rest")"
- test "$dirty" = f ||
- warn "$(gettext "and made changes to the index and/or the working tree")"
-
- warn "$(gettext "\
-You can fix the problem, and then run
-
- git rebase --continue")"
- warn
- if test $status -eq 127 # command not found
- then
- status=1
- fi
- exit "$status"
- elif test "$dirty" = t
- then
- # TRANSLATORS: after these lines is a command to be issued by the user
- warn "$(eval_gettext "\
-Execution succeeded: \$rest
-but left changes to the index and/or the working tree
-Commit or stash your changes, and then run
-
- git rebase --continue")"
- warn
- exit 1
- fi
- ;;
- *)
- warn "$(eval_gettext "Unknown command: \$command \$sha1 \$rest")"
- fixtodo="$(gettext "Please fix this using 'git rebase --edit-todo'.")"
- if git rev-parse --verify -q "$sha1" >/dev/null
- then
- die_with_patch $sha1 "$fixtodo"
- else
- die "$fixtodo"
- fi
- ;;
- esac
- test -s "$todo" && return
-
- comment_for_reflog finish &&
- newhead=$(git rev-parse HEAD) &&
- case $head_name in
- refs/*)
- message="$GIT_REFLOG_ACTION: $head_name onto $onto" &&
- git update-ref -m "$message" $head_name $newhead $orig_head &&
- git symbolic-ref \
- -m "$GIT_REFLOG_ACTION: returning to $head_name" \
- HEAD $head_name
- ;;
- esac && {
- test ! -f "$state_dir"/verbose ||
- git diff-tree --stat $orig_head..HEAD
- } &&
- {
- test -s "$rewritten_list" &&
- git notes copy --for-rewrite=rebase < "$rewritten_list" ||
- true # we don't care if this copying failed
- } &&
- hook="$(git rev-parse --git-path hooks/post-rewrite)"
- if test -x "$hook" && test -s "$rewritten_list"; then
- "$hook" rebase < "$rewritten_list"
- true # we don't care if this hook failed
- fi &&
- warn "$(eval_gettext "Successfully rebased and updated \$head_name.")"
-
- return 1 # not failure; just to break the do_rest loop
-}
-
-# can only return 0, when the infinite loop breaks
-do_rest () {
- while :
- do
- do_next || break
- done
-}
-
-# skip picking commits whose parents are unchanged
-skip_unnecessary_picks () {
- fd=3
- while read -r command rest
- do
- # fd=3 means we skip the command
- case "$fd,$command" in
- 3,pick|3,p)
- # pick a commit whose parent is current $onto -> skip
- sha1=${rest%% *}
- case "$(git rev-parse --verify --quiet "$sha1"^)" in
- "$onto"*)
- onto=$sha1
- ;;
- *)
- fd=1
- ;;
- esac
- ;;
- 3,"$comment_char"*|3,)
- # copy comments
- ;;
- *)
- fd=1
- ;;
- esac
- printf '%s\n' "$command${rest:+ }$rest" >&$fd
- done <"$todo" >"$todo.new" 3>>"$done" &&
- mv -f "$todo".new "$todo" &&
- case "$(peek_next_command)" in
- squash|s|fixup|f)
- record_in_rewritten "$onto"
- ;;
- esac ||
- die "$(gettext "Could not skip unnecessary pick commands")"
-}
-
-transform_todo_ids () {
- while read -r command rest
- do
- case "$command" in
- "$comment_char"* | exec)
- # Be careful for oddball commands like 'exec'
- # that do not have a SHA-1 at the beginning of $rest.
- ;;
- *)
- sha1=$(git rev-parse --verify --quiet "$@" ${rest%%[ ]*}) &&
- rest="$sha1 ${rest#*[ ]}"
- ;;
- esac
- printf '%s\n' "$command${rest:+ }$rest"
- done <"$todo" >"$todo.new" &&
- mv -f "$todo.new" "$todo"
-}
-
expand_todo_ids() {
- transform_todo_ids
+ git rebase--helper --expand-ids
}
collapse_todo_ids() {
- transform_todo_ids --short
-}
-
-# Rearrange the todo list that has both "pick sha1 msg" and
-# "pick sha1 fixup!/squash! msg" appears in it so that the latter
-# comes immediately after the former, and change "pick" to
-# "fixup"/"squash".
-#
-# Note that if the config has specified a custom instruction format
-# each log message will be re-retrieved in order to normalize the
-# autosquash arrangement
-rearrange_squash () {
- # extract fixup!/squash! lines and resolve any referenced sha1's
- while read -r pick sha1 message
- do
- test -z "${format}" || message=$(git log -n 1 --format="%s" ${sha1})
- case "$message" in
- "squash! "*|"fixup! "*)
- action="${message%%!*}"
- rest=$message
- prefix=
- # skip all squash! or fixup! (but save for later)
- while :
- do
- case "$rest" in
- "squash! "*|"fixup! "*)
- prefix="$prefix${rest%%!*},"
- rest="${rest#*! }"
- ;;
- *)
- break
- ;;
- esac
- done
- printf '%s %s %s %s\n' "$sha1" "$action" "$prefix" "$rest"
- # if it's a single word, try to resolve to a full sha1 and
- # emit a second copy. This allows us to match on both message
- # and on sha1 prefix
- if test "${rest#* }" = "$rest"; then
- fullsha="$(git rev-parse -q --verify "$rest" 2>/dev/null)"
- if test -n "$fullsha"; then
- # prefix the action to uniquely identify this line as
- # intended for full sha1 match
- echo "$sha1 +$action $prefix $fullsha"
- fi
- fi
- esac
- done >"$1.sq" <"$1"
- test -s "$1.sq" || return
-
- used=
- while read -r pick sha1 message
- do
- case " $used" in
- *" $sha1 "*) continue ;;
- esac
- printf '%s\n' "$pick $sha1 $message"
- test -z "${format}" || message=$(git log -n 1 --format="%s" ${sha1})
- used="$used$sha1 "
- while read -r squash action msg_prefix msg_content
- do
- case " $used" in
- *" $squash "*) continue ;;
- esac
- emit=0
- case "$action" in
- +*)
- action="${action#+}"
- # full sha1 prefix test
- case "$msg_content" in "$sha1"*) emit=1;; esac ;;
- *)
- # message prefix test
- case "$message" in "$msg_content"*) emit=1;; esac ;;
- esac
- if test $emit = 1; then
- if test -n "${format}"
- then
- msg_content=$(git log -n 1 --format="${format}" ${squash})
- else
- msg_content="$(echo "$msg_prefix" | sed "s/,/! /g")$msg_content"
- fi
- printf '%s\n' "$action $squash $msg_content"
- used="$used$squash "
- fi
- done <"$1.sq"
- done >"$1.rearranged" <"$1"
- cat "$1.rearranged" >"$1"
- rm -f "$1.sq" "$1.rearranged"
-}
-
-# Add commands after a pick or after a squash/fixup serie
-# in the todo list.
-add_exec_commands () {
- {
- first=t
- while read -r insn rest
- do
- case $insn in
- pick)
- test -n "$first" ||
- printf "%s" "$cmd"
- ;;
- esac
- printf "%s %s\n" "$insn" "$rest"
- first=
- done
- printf "%s" "$cmd"
- } <"$1" >"$1.new" &&
- mv "$1.new" "$1"
-}
-
-# Check if the SHA-1 passed as an argument is a
-# correct one, if not then print $2 in "$todo".badsha
-# $1: the SHA-1 to test
-# $2: the line number of the input
-# $3: the input filename
-check_commit_sha () {
- badsha=0
- if test -z "$1"
- then
- badsha=1
- else
- sha1_verif="$(git rev-parse --verify --quiet $1^{commit})"
- if test -z "$sha1_verif"
- then
- badsha=1
- fi
- fi
-
- if test $badsha -ne 0
- then
- line="$(sed -n -e "${2}p" "$3")"
- warn "$(eval_gettext "\
-Warning: the SHA-1 is missing or isn't a commit in the following line:
- - \$line")"
- warn
- fi
-
- return $badsha
-}
-
-# prints the bad commits and bad commands
-# from the todolist in stdin
-check_bad_cmd_and_sha () {
- retval=0
- lineno=0
- while read -r command rest
- do
- lineno=$(( $lineno + 1 ))
- case $command in
- "$comment_char"*|''|noop|x|exec)
- # Doesn't expect a SHA-1
- ;;
- "$cr")
- # Work around CR left by "read" (e.g. with Git for
- # Windows' Bash).
- ;;
- pick|p|drop|d|reword|r|edit|e|squash|s|fixup|f)
- if ! check_commit_sha "${rest%%[ ]*}" "$lineno" "$1"
- then
- retval=1
- fi
- ;;
- *)
- line="$(sed -n -e "${lineno}p" "$1")"
- warn "$(eval_gettext "\
-Warning: the command isn't recognized in the following line:
- - \$line")"
- warn
- retval=1
- ;;
- esac
- done <"$1"
- return $retval
-}
-
-# Print the list of the SHA-1 of the commits
-# from stdin to stdout
-todo_list_to_sha_list () {
- git stripspace --strip-comments |
- while read -r command sha1 rest
- do
- case $command in
- "$comment_char"*|''|noop|x|"exec")
- ;;
- *)
- long_sha=$(git rev-list --no-walk "$sha1" 2>/dev/null)
- printf "%s\n" "$long_sha"
- ;;
- esac
- done
-}
-
-# Use warn for each line in stdin
-warn_lines () {
- while read -r line
- do
- warn " - $line"
- done
+ git rebase--helper --shorten-ids
}
# Switch to the branch in $into and notify it in the reflog
printf '%s' "$check_level" | tr 'A-Z' 'a-z'
}
-# Check if the user dropped some commits by mistake
-# Behaviour determined by rebase.missingCommitsCheck.
-# Check if there is an unrecognized command or a
-# bad SHA-1 in a command.
-check_todo_list () {
- raise_error=f
-
- check_level=$(get_missing_commit_check_level)
-
- case "$check_level" in
- warn|error)
- # Get the SHA-1 of the commits
- todo_list_to_sha_list <"$todo".backup >"$todo".oldsha1
- todo_list_to_sha_list <"$todo" >"$todo".newsha1
-
- # Sort the SHA-1 and compare them
- sort -u "$todo".oldsha1 >"$todo".oldsha1+
- mv "$todo".oldsha1+ "$todo".oldsha1
- sort -u "$todo".newsha1 >"$todo".newsha1+
- mv "$todo".newsha1+ "$todo".newsha1
- comm -2 -3 "$todo".oldsha1 "$todo".newsha1 >"$todo".miss
-
- # Warn about missing commits
- if test -s "$todo".miss
- then
- test "$check_level" = error && raise_error=t
-
- warn "$(gettext "\
-Warning: some commits may have been dropped accidentally.
-Dropped commits (newer to older):")"
+# Initiate an action. If the cannot be any
+# further action it may exec a command
+# or exit and not return.
+#
+# TODO: Consider a cleaner return model so it
+# never exits and always return 0 if process
+# is complete.
+#
+# Parameter 1 is the action to initiate.
+#
+# Returns 0 if the action was able to complete
+# and if 1 if further processing is required.
+initiate_action () {
+ case "$1" in
+ continue)
+ exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
+ --continue
+ ;;
+ skip)
+ git rerere clear
+ exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
+ --continue
+ ;;
+ edit-todo)
+ git stripspace --strip-comments <"$todo" >"$todo".new
+ mv -f "$todo".new "$todo"
+ collapse_todo_ids
+ append_todo_help
+ gettext "
+You are editing the todo file of an ongoing interactive rebase.
+To continue rebase after editing, run:
+ git rebase --continue
- # Make the list user-friendly and display
- opt="--no-walk=sorted --format=oneline --abbrev-commit --stdin"
- git rev-list $opt <"$todo".miss | warn_lines
+" | git stripspace --comment-lines >>"$todo"
- warn "$(gettext "\
-To avoid this message, use \"drop\" to explicitly remove a commit.
+ git_sequence_editor "$todo" ||
+ die "$(gettext "Could not execute editor")"
+ expand_todo_ids
-Use 'git config rebase.missingCommitsCheck' to change the level of warnings.
-The possible behaviours are: ignore, warn, error.")"
- warn
- fi
+ exit
;;
- ignore)
+ show-current-patch)
+ exec git show REBASE_HEAD --
;;
*)
- warn "$(eval_gettext "Unrecognized setting \$check_level for option rebase.missingCommitsCheck. Ignoring.")"
+ return 1 # continue
;;
esac
-
- if ! check_bad_cmd_and_sha "$todo"
- then
- raise_error=t
- fi
-
- if test $raise_error = t
- then
- # Checkout before the first commit of the
- # rebase: this way git rebase --continue
- # will work correctly as it expects HEAD to be
- # placed before the commit of the next action
- checkout_onto
-
- warn "$(gettext "You can fix this with 'git rebase --edit-todo' and then run 'git rebase --continue'.")"
- die "$(gettext "Or you can abort the rebase with 'git rebase --abort'.")"
- fi
}
-# The whole contents of this file is run by dot-sourcing it from
-# inside a shell function. It used to be that "return"s we see
-# below were not inside any function, and expected to return
-# to the function that dot-sourced us.
-#
-# However, older (9.x) versions of FreeBSD /bin/sh misbehave on such a
-# construct and continue to run the statements that follow such a "return".
-# As a work-around, we introduce an extra layer of a function
-# here, and immediately call it after defining it.
-git_rebase__interactive () {
-
-case "$action" in
-continue)
- if test ! -d "$rewritten"
- then
- exec git rebase--helper ${force_rebase:+--no-ff} --continue
- fi
- # do we have anything to commit?
- if git diff-index --cached --quiet HEAD --
- then
- # Nothing to commit -- skip this commit
-
- test ! -f "$GIT_DIR"/CHERRY_PICK_HEAD ||
- rm "$GIT_DIR"/CHERRY_PICK_HEAD ||
- die "$(gettext "Could not remove CHERRY_PICK_HEAD")"
- else
- if ! test -f "$author_script"
- then
- gpg_sign_opt_quoted=${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")}
- die "$(eval_gettext "\
-You have staged changes in your working tree.
-If these changes are meant to be
-squashed into the previous commit, run:
-
- git commit --amend \$gpg_sign_opt_quoted
-
-If they are meant to go into a new commit, run:
-
- git commit \$gpg_sign_opt_quoted
-
-In both cases, once you're done, continue with:
-
- git rebase --continue
-")"
- fi
- . "$author_script" ||
- die "$(gettext "Error trying to find the author identity to amend commit")"
- if test -f "$amend"
- then
- current_head=$(git rev-parse --verify HEAD)
- test "$current_head" = $(cat "$amend") ||
- die "$(gettext "\
-You have uncommitted changes in your working tree. Please commit them
-first and then run 'git rebase --continue' again.")"
- do_with_author git commit --amend --no-verify -F "$msg" -e \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
- die "$(gettext "Could not commit staged changes.")"
- else
- do_with_author git commit --no-verify -F "$msg" -e \
- ${gpg_sign_opt:+"$gpg_sign_opt"} ||
- die "$(gettext "Could not commit staged changes.")"
- fi
- fi
+setup_reflog_action () {
+ comment_for_reflog start
- if test -r "$state_dir"/stopped-sha
+ if test ! -z "$switch_to"
then
- record_in_rewritten "$(cat "$state_dir"/stopped-sha)"
- fi
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
+ output git checkout "$switch_to" -- ||
+ die "$(eval_gettext "Could not checkout \$switch_to")"
- require_clean_work_tree "rebase"
- do_rest
- return 0
- ;;
-skip)
- git rerere clear
-
- if test ! -d "$rewritten"
- then
- exec git rebase--helper ${force_rebase:+--no-ff} --continue
+ comment_for_reflog start
fi
- do_rest
- return 0
- ;;
-edit-todo)
- git stripspace --strip-comments <"$todo" >"$todo".new
- mv -f "$todo".new "$todo"
- collapse_todo_ids
- append_todo_help
- gettext "
-You are editing the todo file of an ongoing interactive rebase.
-To continue rebase after editing, run:
- git rebase --continue
-
-" | git stripspace --comment-lines >>"$todo"
-
- git_sequence_editor "$todo" ||
- die "$(gettext "Could not execute editor")"
- expand_todo_ids
-
- exit
- ;;
-esac
-
-comment_for_reflog start
-
-if test ! -z "$switch_to"
-then
- GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
- output git checkout "$switch_to" -- ||
- die "$(eval_gettext "Could not checkout \$switch_to")"
+}
- comment_for_reflog start
-fi
+init_basic_state () {
+ orig_head=$(git rev-parse --verify HEAD) || die "$(gettext "No HEAD?")"
+ mkdir -p "$state_dir" || die "$(eval_gettext "Could not create temporary \$state_dir")"
+ rm -f "$(git rev-parse --git-path REBASE_HEAD)"
-orig_head=$(git rev-parse --verify HEAD) || die "$(gettext "No HEAD?")"
-mkdir -p "$state_dir" || die "$(eval_gettext "Could not create temporary \$state_dir")"
+ : > "$state_dir"/interactive || die "$(gettext "Could not mark as interactive")"
+ write_basic_state
+}
-: > "$state_dir"/interactive || die "$(gettext "Could not mark as interactive")"
-write_basic_state
-if test t = "$preserve_merges"
-then
+init_revisions_and_shortrevisions () {
+ shorthead=$(git rev-parse --short $orig_head)
+ shortonto=$(git rev-parse --short $onto)
if test -z "$rebase_root"
+ # this is now equivalent to ! -z "$upstream"
then
- mkdir "$rewritten" &&
- for c in $(git merge-base --all $orig_head $upstream)
- do
- echo $onto > "$rewritten"/$c ||
- die "$(gettext "Could not init rewritten commits")"
- done
- else
- mkdir "$rewritten" &&
- echo $onto > "$rewritten"/root ||
- die "$(gettext "Could not init rewritten commits")"
- fi
- # No cherry-pick because our first pass is to determine
- # parents to rewrite and skipping dropped commits would
- # prematurely end our probe
- merges_option=
-else
- merges_option="--no-merges --cherry-pick"
-fi
-
-shorthead=$(git rev-parse --short $orig_head)
-shortonto=$(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...$orig_head
- shortrevisions=$shortupstream..$shorthead
-else
- revisions=$onto...$orig_head
- shortrevisions=$shorthead
-fi
-format=$(git config --get rebase.instructionFormat)
-# the 'rev-list .. | sed' requires %m to parse; the instruction requires %H to parse
-git rev-list $merges_option --format="%m%H ${format:-%s}" \
- --reverse --left-right --topo-order \
- $revisions ${restrict_revision+^$restrict_revision} | \
- sed -n "s/^>//p" |
-while read -r sha1 rest
-do
-
- if test -z "$keep_empty" && is_empty_commit $sha1 && ! is_merge_commit $sha1
- then
- comment_out="$comment_char "
+ shortupstream=$(git rev-parse --short $upstream)
+ revisions=$upstream...$orig_head
+ shortrevisions=$shortupstream..$shorthead
else
- comment_out=
+ revisions=$onto...$orig_head
+ shortrevisions=$shorthead
+ test -z "$squash_onto" ||
+ echo "$squash_onto" >"$state_dir"/squash-onto
fi
+}
- if test t != "$preserve_merges"
- then
- printf '%s\n' "${comment_out}pick $sha1 $rest" >>"$todo"
- else
- 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"/$p
- then
- preserve=f
- fi
- done
- else
- preserve=f
- fi
- if test f = "$preserve"
- then
- touch "$rewritten"/$sha1
- printf '%s\n' "${comment_out}pick $sha1 $rest" >>"$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 $revisions --left-right --cherry-pick | \
- sed -n "s/^>//p" > "$state_dir"/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"/$rev &&
- ! sane_grep "$rev" "$state_dir"/not-cherry-picks >/dev/null
- 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"/$rev
- sha1=$(git rev-list -1 $rev)
- sane_grep -v "^[a-z][a-z]* $sha1" <"$todo" > "${todo}2" ; mv "${todo}2" "$todo"
- rm "$rewritten"/$rev
- fi
- done
-fi
-
-test -s "$todo" || echo noop >> "$todo"
-test -n "$autosquash" && rearrange_squash "$todo"
-test -n "$cmd" && add_exec_commands "$todo"
+complete_action() {
+ test -s "$todo" || echo noop >> "$todo"
+ test -z "$autosquash" || git rebase--helper --rearrange-squash || exit
+ test -n "$cmd" && git rebase--helper --add-exec-commands "$cmd"
-todocount=$(git stripspace --strip-comments <"$todo" | wc -l)
-todocount=${todocount##* }
+ todocount=$(git stripspace --strip-comments <"$todo" | wc -l)
+ todocount=${todocount##* }
cat >>"$todo" <<EOF
"Rebase \$shortrevisions onto \$shortonto (\$todocount commands)" \
"$todocount")
EOF
-append_todo_help
-gettext "
-However, if you remove everything, the rebase will be aborted.
+ append_todo_help
+ gettext "
+ However, if you remove everything, the rebase will be aborted.
-" | git stripspace --comment-lines >>"$todo"
+ " | git stripspace --comment-lines >>"$todo"
-if test -z "$keep_empty"
-then
- printf '%s\n' "$comment_char $(gettext "Note that empty commits are commented out")" >>"$todo"
-fi
+ if test -z "$keep_empty"
+ then
+ printf '%s\n' "$comment_char $(gettext "Note that empty commits are commented out")" >>"$todo"
+ fi
-has_action "$todo" ||
- return 2
+ has_action "$todo" ||
+ return 2
-cp "$todo" "$todo".backup
-collapse_todo_ids
-git_sequence_editor "$todo" ||
- die_abort "$(gettext "Could not execute editor")"
+ cp "$todo" "$todo".backup
+ collapse_todo_ids
+ git_sequence_editor "$todo" ||
+ die_abort "$(gettext "Could not execute editor")"
-has_action "$todo" ||
- return 2
+ has_action "$todo" ||
+ return 2
-check_todo_list
+ git rebase--helper --check-todo-list || {
+ ret=$?
+ checkout_onto
+ exit $ret
+ }
-expand_todo_ids
+ expand_todo_ids
-test -d "$rewritten" || test -n "$force_rebase" || skip_unnecessary_picks
+ test -n "$force_rebase" ||
+ onto="$(git rebase--helper --skip-unnecessary-picks)" ||
+ die "Could not skip unnecessary pick commands"
-checkout_onto
-if test -z "$rebase_root" && test ! -d "$rewritten"
-then
+ checkout_onto
require_clean_work_tree "rebase"
- exec git rebase--helper ${force_rebase:+--no-ff} --continue
-fi
-do_rest
+ exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
+ --continue
+}
+
+git_rebase__interactive () {
+ initiate_action "$action"
+ ret=$?
+ if test $ret = 0; then
+ return 0
+ fi
+
+ setup_reflog_action
+ init_basic_state
+
+ init_revisions_and_shortrevisions
+
+ git rebase--helper --make-script ${keep_empty:+--keep-empty} \
+ ${rebase_merges:+--rebase-merges} \
+ ${rebase_cousins:+--rebase-cousins} \
+ $revisions ${restrict_revision+^$restrict_revision} >"$todo" ||
+ die "$(gettext "Could not generate todo list")"
+ complete_action
}
-# ... and then we call the whole thing.
-git_rebase__interactive