diff options
Diffstat (limited to 'git-rebase--interactive.sh')
| -rw-r--r-- | git-rebase--interactive.sh | 459 |
1 files changed, 89 insertions, 370 deletions
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh index ca994c5c54..81c5b42875 100644 --- a/git-rebase--interactive.sh +++ b/git-rebase--interactive.sh @@ -5,7 +5,7 @@ # Copyright (c) 2006 Johannes E. Schindelin # # The original idea comes from Eric W. Biederman, in -# http://article.gmane.org/gmane.comp.version-control.git/22407 +# https://public-inbox.org/git/m1odwkyuf5.fsf_-_@ebiederm.dsl.xmission.com/ # # The file containing rebase commands, comments, and empty lines. # This file is created by "git rebase -i" then edited by the user. As @@ -93,8 +93,17 @@ eval ' GIT_CHERRY_PICK_HELP="$resolvemsg" export GIT_CHERRY_PICK_HELP -comment_char=$(git config --get core.commentchar 2>/dev/null | cut -c1) -: ${comment_char:=#} +comment_char=$(git config --get core.commentchar 2>/dev/null) +case "$comment_char" in +'' | auto) + comment_char="#" + ;; +?) + ;; +*) + comment_char=$(echo "$comment_char" | cut -c1) + ;; +esac warn () { printf '%s\n' "$*" >&2 @@ -146,13 +155,13 @@ reschedule_last_action () { 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 = 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 These lines can be re-ordered; they are executed from top to bottom. " | git stripspace --comment-lines >>"$todo" @@ -272,7 +281,7 @@ pick_one () { test -d "$rewritten" && pick_one_preserving_merges "$@" && return - output eval git cherry-pick \ + output eval git cherry-pick $allow_rerere_autoupdate $allow_empty_message \ ${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \ "$strategy_args" $empty_args $ff "$@" @@ -383,8 +392,12 @@ pick_one_preserving_merges () { 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"} \ - $merge_args $strategy_args -m "$msg_content" $new_parents' + git merge ${gpg_sign_opt:+$(git rev-parse \ + --sq-quote "$gpg_sign_opt")} \ + $allow_rerere_autoupdate "$merge_args" \ + "$strategy_args" \ + -m $(git rev-parse --sq-quote "$msg_content") \ + "$new_parents" then printf "%s\n" "$msg_content" > "$GIT_DIR"/MERGE_MSG die_with_patch $sha1 "$(eval_gettext "Error redoing merge \$sha1")" @@ -392,7 +405,8 @@ pick_one_preserving_merges () { echo "$sha1 $(git rev-parse HEAD^0)" >> "$rewritten_list" ;; *) - output eval git cherry-pick \ + output eval git cherry-pick $allow_rerere_autoupdate \ + $allow_empty_message \ ${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \ "$strategy_args" "$@" || die_with_patch $sha1 "$(eval_gettext "Could not pick \$sha1")" @@ -416,7 +430,7 @@ update_squash_messages () { if test -f "$squash_msg"; then mv "$squash_msg" "$squash_msg".bak || exit count=$(($(sed -n \ - -e "1s/^$comment_char.*\([0-9][0-9]*\).*/\1/p" \ + -e "1s/^$comment_char[^0-9]*\([0-9][0-9]*\).*/\1/p" \ -e "q" < "$squash_msg".bak)+1)) { printf '%s\n' "$comment_char $(eval_ngettext \ @@ -428,7 +442,8 @@ update_squash_messages () { }' <"$squash_msg".bak } >"$squash_msg" else - commit_message HEAD > "$fixup_msg" || die "$(gettext "Cannot write \$fixup_msg")" + commit_message HEAD >"$fixup_msg" || + die "$(eval_gettext "Cannot write \$fixup_msg")" count=2 { printf '%s\n' "$comment_char $(gettext "This is a combination of 2 commits.")" @@ -545,7 +560,8 @@ do_next () { mark_action_done do_pick $sha1 "$rest" - git commit --amend --no-post-rewrite ${gpg_sign_opt:+"$gpg_sign_opt"} || { + git commit --amend --no-post-rewrite ${gpg_sign_opt:+"$gpg_sign_opt"} \ + $allow_empty_message || { warn "$(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 @@ -593,7 +609,7 @@ you are able to reword the commit.")" # 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"} || + ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message || die_failed_squash $sha1 "$rest" ;; *) @@ -601,13 +617,13 @@ you are able to reword the commit.")" if test -f "$fixup_msg" then do_with_author git commit --amend --no-verify -F "$fixup_msg" \ - ${gpg_sign_opt:+"$gpg_sign_opt"} || + ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message || 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"} || + ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message || die_failed_squash $sha1 "$rest" fi rm -f "$squash_msg" "$fixup_msg" @@ -703,265 +719,12 @@ do_rest () { 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 $into and notify it in the reflog @@ -978,74 +741,6 @@ get_missing_commit_check_level () { printf '%s' "$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):")" - - # Make the list user-friendly and display - opt="--no-walk=sorted --format=oneline --abbrev-commit --stdin" - git rev-list $opt <"$todo".miss | warn_lines - - warn "$(gettext "\ -To avoid this message, use \"drop\" to explicitly remove a commit. - -Use 'git config rebase.missingCommitsCheck' to change the level of warnings. -The possible behaviours are: ignore, warn, error.")" - warn - fi - ;; - ignore) - ;; - *) - warn "$(eval_gettext "Unrecognized setting \$check_level for option rebase.missingCommitsCheck. Ignoring.")" - ;; - 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 "$(gettext "Or you can abort the rebase with 'git rebase --abort'.")" - fi -} - # The whole contents of this file is run by dot-sourcing it from # inside a shell function. It used to be that "return"s we see # below were not inside any function, and expected to return @@ -1059,6 +754,11 @@ git_rebase__interactive () { case "$action" in continue) + if test ! -d "$rewritten" + then + exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \ + --continue + fi # do we have anything to commit? if git diff-index --cached --quiet HEAD -- then @@ -1097,11 +797,11 @@ In both cases, once you're done, continue with: You have uncommitted changes in your working tree. Please commit them first and then run 'git rebase --continue' again.")" do_with_author git commit --amend --no-verify -F "$msg" -e \ - ${gpg_sign_opt:+"$gpg_sign_opt"} || + ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message || die "$(gettext "Could not commit staged changes.")" else do_with_author git commit --no-verify -F "$msg" -e \ - ${gpg_sign_opt:+"$gpg_sign_opt"} || + ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message || die "$(gettext "Could not commit staged changes.")" fi fi @@ -1118,6 +818,11 @@ first and then run 'git rebase --continue' again.")" skip) git rerere clear + if test ! -d "$rewritten" + then + exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \ + --continue + fi do_rest return 0 ;; @@ -1192,26 +897,28 @@ else revisions=$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 " - else - comment_out= - fi +if test t != "$preserve_merges" +then + git rebase--helper --make-script ${keep_empty:+--keep-empty} \ + $revisions ${restrict_revision+^$restrict_revision} >"$todo" || + die "$(gettext "Could not generate todo list")" +else + 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 " + else + comment_out= + fi - if test t != "$preserve_merges" - then - printf '%s\n' "${comment_out}pick $sha1 $rest" >>"$todo" - else if test -z "$rebase_root" then preserve=t @@ -1230,8 +937,8 @@ do touch "$rewritten"/$sha1 printf '%s\n' "${comment_out}pick $sha1 $rest" >>"$todo" fi - fi -done + done +fi # Watch for commits that been dropped by --cherry-pick if test t = "$preserve_merges" @@ -1261,8 +968,8 @@ then fi test -s "$todo" || echo noop >> "$todo" -test -n "$autosquash" && rearrange_squash "$todo" -test -n "$cmd" && add_exec_commands "$todo" +test -z "$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=${todocount##* } @@ -1297,13 +1004,25 @@ git_sequence_editor "$todo" || has_action "$todo" || return 2 -check_todo_list +git rebase--helper --check-todo-list || { + ret=$? + checkout_onto + exit $ret +} expand_todo_ids -test -d "$rewritten" || test -n "$force_rebase" || skip_unnecessary_picks +test -d "$rewritten" || 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 + require_clean_work_tree "rebase" + exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \ + --continue +fi do_rest } |