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Merge branch 'ag/rebase-i-in-c' into js/rebase-in-c-5.5-work-with-rebase-i-in-c

* ag/rebase-i-in-c:
  rebase -i: move rebase--helper modes to rebase--interactive
  rebase -i: remove git-rebase--interactive.sh
  rebase--interactive2: rewrite the submodes of interactive rebase in C
  rebase -i: implement the main part of interactive rebase as a builtin
  rebase -i: rewrite init_basic_state() in C
  rebase -i: rewrite write_basic_state() in C
  rebase -i: rewrite the rest of init_revisions_and_shortrevisions() in C
  rebase -i: implement the logic to initialize $revisions in C
  rebase -i: remove unused modes and functions
  rebase -i: rewrite complete_action() in C
  t3404: todo list with commented-out commands only aborts
  sequencer: change the way skip_unnecessary_picks() returns its result
  sequencer: refactor append_todo_help() to write its message to a buffer
  rebase -i: rewrite checkout_onto() in C
  rebase -i: rewrite setup_reflog_action() in C
  sequencer: add a new function to silence a command, except if it fails
  rebase -i: rewrite the edit-todo functionality in C
  editor: add a function to launch the sequence editor
  rebase -i: rewrite append_todo_help() in C
  sequencer: make three functions and an enum from sequencer.c public
This commit is contained in:
Junio C Hamano 2018-10-11 14:18:19 +09:00
commit 5ab7e0fb67
17 changed files with 740 additions and 449 deletions

1
.gitignore vendored
View file

@ -118,7 +118,6 @@
/git-rebase
/git-rebase--am
/git-rebase--common
/git-rebase--helper
/git-rebase--interactive
/git-rebase--merge
/git-rebase--preserve-merges

View file

@ -620,7 +620,6 @@ SCRIPT_LIB += git-mergetool--lib
SCRIPT_LIB += git-parse-remote
SCRIPT_LIB += git-rebase--am
SCRIPT_LIB += git-rebase--common
SCRIPT_LIB += git-rebase--interactive
SCRIPT_LIB += git-rebase--preserve-merges
SCRIPT_LIB += git-rebase--merge
SCRIPT_LIB += git-sh-setup
@ -927,6 +926,7 @@ LIB_OBJS += protocol.o
LIB_OBJS += quote.o
LIB_OBJS += reachable.o
LIB_OBJS += read-cache.o
LIB_OBJS += rebase-interactive.o
LIB_OBJS += reflog-walk.o
LIB_OBJS += refs.o
LIB_OBJS += refs/files-backend.o
@ -1065,7 +1065,7 @@ BUILTIN_OBJS += builtin/pull.o
BUILTIN_OBJS += builtin/push.o
BUILTIN_OBJS += builtin/read-tree.o
BUILTIN_OBJS += builtin/rebase.o
BUILTIN_OBJS += builtin/rebase--helper.o
BUILTIN_OBJS += builtin/rebase--interactive.o
BUILTIN_OBJS += builtin/receive-pack.o
BUILTIN_OBJS += builtin/reflog.o
BUILTIN_OBJS += builtin/remote.o
@ -2404,7 +2404,6 @@ XGETTEXT_FLAGS_PERL = $(XGETTEXT_FLAGS) --language=Perl \
LOCALIZED_C = $(C_OBJ:o=c) $(LIB_H) $(GENERATED_H)
LOCALIZED_SH = $(SCRIPT_SH)
LOCALIZED_SH += git-parse-remote.sh
LOCALIZED_SH += git-rebase--interactive.sh
LOCALIZED_SH += git-rebase--preserve-merges.sh
LOCALIZED_SH += git-sh-setup.sh
LOCALIZED_PERL = $(SCRIPT_PERL)

View file

@ -203,7 +203,7 @@ extern int cmd_pull(int argc, const char **argv, const char *prefix);
extern int cmd_push(int argc, const char **argv, const char *prefix);
extern int cmd_read_tree(int argc, const char **argv, const char *prefix);
extern int cmd_rebase(int argc, const char **argv, const char *prefix);
extern int cmd_rebase__helper(int argc, const char **argv, const char *prefix);
extern int cmd_rebase__interactive(int argc, const char **argv, const char *prefix);
extern int cmd_receive_pack(int argc, const char **argv, const char *prefix);
extern int cmd_reflog(int argc, const char **argv, const char *prefix);
extern int cmd_remote(int argc, const char **argv, const char *prefix);

View file

@ -1,88 +0,0 @@
#include "builtin.h"
#include "cache.h"
#include "config.h"
#include "parse-options.h"
#include "sequencer.h"
static const char * const builtin_rebase_helper_usage[] = {
N_("git rebase--helper [<options>]"),
NULL
};
int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
{
struct replay_opts opts = REPLAY_OPTS_INIT;
unsigned flags = 0, keep_empty = 0, rebase_merges = 0;
int abbreviate_commands = 0, rebase_cousins = -1;
enum {
CONTINUE = 1, ABORT, MAKE_SCRIPT, SHORTEN_OIDS, EXPAND_OIDS,
CHECK_TODO_LIST, SKIP_UNNECESSARY_PICKS, REARRANGE_SQUASH,
ADD_EXEC
} command = 0;
struct option options[] = {
OPT_BOOL(0, "ff", &opts.allow_ff, N_("allow fast-forward")),
OPT_BOOL(0, "keep-empty", &keep_empty, N_("keep empty commits")),
OPT_BOOL(0, "allow-empty-message", &opts.allow_empty_message,
N_("allow commits with empty messages")),
OPT_BOOL(0, "rebase-merges", &rebase_merges, N_("rebase merge commits")),
OPT_BOOL(0, "rebase-cousins", &rebase_cousins,
N_("keep original branch points of cousins")),
OPT_CMDMODE(0, "continue", &command, N_("continue rebase"),
CONTINUE),
OPT_CMDMODE(0, "abort", &command, N_("abort rebase"),
ABORT),
OPT_CMDMODE(0, "make-script", &command,
N_("make rebase script"), MAKE_SCRIPT),
OPT_CMDMODE(0, "shorten-ids", &command,
N_("shorten commit ids in the todo list"), SHORTEN_OIDS),
OPT_CMDMODE(0, "expand-ids", &command,
N_("expand commit ids in the todo list"), EXPAND_OIDS),
OPT_CMDMODE(0, "check-todo-list", &command,
N_("check the todo list"), CHECK_TODO_LIST),
OPT_CMDMODE(0, "skip-unnecessary-picks", &command,
N_("skip unnecessary picks"), SKIP_UNNECESSARY_PICKS),
OPT_CMDMODE(0, "rearrange-squash", &command,
N_("rearrange fixup/squash lines"), REARRANGE_SQUASH),
OPT_CMDMODE(0, "add-exec-commands", &command,
N_("insert exec commands in todo list"), ADD_EXEC),
OPT_END()
};
sequencer_init_config(&opts);
git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands);
opts.action = REPLAY_INTERACTIVE_REBASE;
opts.allow_ff = 1;
opts.allow_empty = 1;
argc = parse_options(argc, argv, NULL, options,
builtin_rebase_helper_usage, PARSE_OPT_KEEP_ARGV0);
flags |= keep_empty ? TODO_LIST_KEEP_EMPTY : 0;
flags |= abbreviate_commands ? TODO_LIST_ABBREVIATE_CMDS : 0;
flags |= rebase_merges ? TODO_LIST_REBASE_MERGES : 0;
flags |= rebase_cousins > 0 ? TODO_LIST_REBASE_COUSINS : 0;
flags |= command == SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0;
if (rebase_cousins >= 0 && !rebase_merges)
warning(_("--[no-]rebase-cousins has no effect without "
"--rebase-merges"));
if (command == CONTINUE && argc == 1)
return !!sequencer_continue(&opts);
if (command == ABORT && argc == 1)
return !!sequencer_remove_state(&opts);
if (command == MAKE_SCRIPT && argc > 1)
return !!sequencer_make_script(stdout, argc, argv, flags);
if ((command == SHORTEN_OIDS || command == EXPAND_OIDS) && argc == 1)
return !!transform_todos(flags);
if (command == CHECK_TODO_LIST && argc == 1)
return !!check_todo_list();
if (command == SKIP_UNNECESSARY_PICKS && argc == 1)
return !!skip_unnecessary_picks();
if (command == REARRANGE_SQUASH && argc == 1)
return !!rearrange_squash();
if (command == ADD_EXEC && argc == 2)
return !!sequencer_add_exec_commands(argv[1]);
usage_with_options(builtin_rebase_helper_usage, options);
}

View file

@ -0,0 +1,271 @@
#include "builtin.h"
#include "cache.h"
#include "config.h"
#include "parse-options.h"
#include "sequencer.h"
#include "rebase-interactive.h"
#include "argv-array.h"
#include "refs.h"
#include "rerere.h"
#include "run-command.h"
static GIT_PATH_FUNC(path_state_dir, "rebase-merge/")
static GIT_PATH_FUNC(path_squash_onto, "rebase-merge/squash-onto")
static GIT_PATH_FUNC(path_interactive, "rebase-merge/interactive")
static int get_revision_ranges(const char *upstream, const char *onto,
const char **head_hash,
char **revisions, char **shortrevisions)
{
const char *base_rev = upstream ? upstream : onto, *shorthead;
struct object_id orig_head;
if (get_oid("HEAD", &orig_head))
return error(_("no HEAD?"));
*head_hash = find_unique_abbrev(&orig_head, GIT_MAX_HEXSZ);
*revisions = xstrfmt("%s...%s", base_rev, *head_hash);
shorthead = find_unique_abbrev(&orig_head, DEFAULT_ABBREV);
if (upstream) {
const char *shortrev;
struct object_id rev_oid;
get_oid(base_rev, &rev_oid);
shortrev = find_unique_abbrev(&rev_oid, DEFAULT_ABBREV);
*shortrevisions = xstrfmt("%s..%s", shortrev, shorthead);
} else
*shortrevisions = xstrdup(shorthead);
return 0;
}
static int init_basic_state(struct replay_opts *opts, const char *head_name,
const char *onto, const char *orig_head)
{
FILE *interactive;
if (!is_directory(path_state_dir()) && mkdir_in_gitdir(path_state_dir()))
return error_errno(_("could not create temporary %s"), path_state_dir());
delete_reflog("REBASE_HEAD");
interactive = fopen(path_interactive(), "w");
if (!interactive)
return error_errno(_("could not mark as interactive"));
fclose(interactive);
return write_basic_state(opts, head_name, onto, orig_head);
}
static int do_interactive_rebase(struct replay_opts *opts, unsigned flags,
const char *switch_to, const char *upstream,
const char *onto, const char *onto_name,
const char *squash_onto, const char *head_name,
const char *restrict_revision, char *raw_strategies,
const char *cmd, unsigned autosquash)
{
int ret;
const char *head_hash = NULL;
char *revisions = NULL, *shortrevisions = NULL;
struct argv_array make_script_args = ARGV_ARRAY_INIT;
FILE *todo_list;
if (prepare_branch_to_be_rebased(opts, switch_to))
return -1;
if (get_revision_ranges(upstream, onto, &head_hash,
&revisions, &shortrevisions))
return -1;
if (raw_strategies)
parse_strategy_opts(opts, raw_strategies);
if (init_basic_state(opts, head_name, onto, head_hash)) {
free(revisions);
free(shortrevisions);
return -1;
}
if (!upstream && squash_onto)
write_file(path_squash_onto(), "%s\n", squash_onto);
todo_list = fopen(rebase_path_todo(), "w");
if (!todo_list) {
free(revisions);
free(shortrevisions);
return error_errno(_("could not open %s"), rebase_path_todo());
}
argv_array_pushl(&make_script_args, "", revisions, NULL);
if (restrict_revision)
argv_array_push(&make_script_args, restrict_revision);
ret = sequencer_make_script(todo_list,
make_script_args.argc, make_script_args.argv,
flags);
fclose(todo_list);
if (ret)
error(_("could not generate todo list"));
else {
discard_cache();
ret = complete_action(opts, flags, shortrevisions, onto_name, onto,
head_hash, cmd, autosquash);
}
free(revisions);
free(shortrevisions);
argv_array_clear(&make_script_args);
return ret;
}
static const char * const builtin_rebase_interactive_usage[] = {
N_("git rebase--interactive [<options>]"),
NULL
};
int cmd_rebase__interactive(int argc, const char **argv, const char *prefix)
{
struct replay_opts opts = REPLAY_OPTS_INIT;
unsigned flags = 0, keep_empty = 0, rebase_merges = 0, autosquash = 0;
int abbreviate_commands = 0, rebase_cousins = -1, ret = 0;
const char *onto = NULL, *onto_name = NULL, *restrict_revision = NULL,
*squash_onto = NULL, *upstream = NULL, *head_name = NULL,
*switch_to = NULL, *cmd = NULL;
char *raw_strategies = NULL;
enum {
NONE = 0, CONTINUE, SKIP, EDIT_TODO, SHOW_CURRENT_PATCH,
SHORTEN_OIDS, EXPAND_OIDS, CHECK_TODO_LIST, REARRANGE_SQUASH, ADD_EXEC
} command = 0;
struct option options[] = {
OPT_BOOL(0, "ff", &opts.allow_ff, N_("allow fast-forward")),
OPT_BOOL(0, "keep-empty", &keep_empty, N_("keep empty commits")),
OPT_BOOL(0, "allow-empty-message", &opts.allow_empty_message,
N_("allow commits with empty messages")),
OPT_BOOL(0, "rebase-merges", &rebase_merges, N_("rebase merge commits")),
OPT_BOOL(0, "rebase-cousins", &rebase_cousins,
N_("keep original branch points of cousins")),
OPT_BOOL(0, "autosquash", &autosquash,
N_("move commits that begin with squash!/fixup!")),
OPT_BOOL(0, "signoff", &opts.signoff, N_("sign commits")),
OPT__VERBOSE(&opts.verbose, N_("be verbose")),
OPT_CMDMODE(0, "continue", &command, N_("continue rebase"),
CONTINUE),
OPT_CMDMODE(0, "skip", &command, N_("skip commit"), SKIP),
OPT_CMDMODE(0, "edit-todo", &command, N_("edit the todo list"),
EDIT_TODO),
OPT_CMDMODE(0, "show-current-patch", &command, N_("show the current patch"),
SHOW_CURRENT_PATCH),
OPT_CMDMODE(0, "shorten-ids", &command,
N_("shorten commit ids in the todo list"), SHORTEN_OIDS),
OPT_CMDMODE(0, "expand-ids", &command,
N_("expand commit ids in the todo list"), EXPAND_OIDS),
OPT_CMDMODE(0, "check-todo-list", &command,
N_("check the todo list"), CHECK_TODO_LIST),
OPT_CMDMODE(0, "rearrange-squash", &command,
N_("rearrange fixup/squash lines"), REARRANGE_SQUASH),
OPT_CMDMODE(0, "add-exec-commands", &command,
N_("insert exec commands in todo list"), ADD_EXEC),
OPT_STRING(0, "onto", &onto, N_("onto"), N_("onto")),
OPT_STRING(0, "restrict-revision", &restrict_revision,
N_("restrict-revision"), N_("restrict revision")),
OPT_STRING(0, "squash-onto", &squash_onto, N_("squash-onto"),
N_("squash onto")),
OPT_STRING(0, "upstream", &upstream, N_("upstream"),
N_("the upstream commit")),
OPT_STRING(0, "head-name", &head_name, N_("head-name"), N_("head name")),
{ OPTION_STRING, 'S', "gpg-sign", &opts.gpg_sign, N_("key-id"),
N_("GPG-sign commits"),
PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
OPT_STRING(0, "strategy", &opts.strategy, N_("strategy"),
N_("rebase strategy")),
OPT_STRING(0, "strategy-opts", &raw_strategies, N_("strategy-opts"),
N_("strategy options")),
OPT_STRING(0, "switch-to", &switch_to, N_("switch-to"),
N_("the branch or commit to checkout")),
OPT_STRING(0, "onto-name", &onto_name, N_("onto-name"), N_("onto name")),
OPT_STRING(0, "cmd", &cmd, N_("cmd"), N_("the command to run")),
OPT_RERERE_AUTOUPDATE(&opts.allow_rerere_auto),
OPT_END()
};
sequencer_init_config(&opts);
git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands);
opts.action = REPLAY_INTERACTIVE_REBASE;
opts.allow_ff = 1;
opts.allow_empty = 1;
if (argc == 1)
usage_with_options(builtin_rebase_interactive_usage, options);
argc = parse_options(argc, argv, NULL, options,
builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0);
opts.gpg_sign = xstrdup_or_null(opts.gpg_sign);
flags |= keep_empty ? TODO_LIST_KEEP_EMPTY : 0;
flags |= abbreviate_commands ? TODO_LIST_ABBREVIATE_CMDS : 0;
flags |= rebase_merges ? TODO_LIST_REBASE_MERGES : 0;
flags |= rebase_cousins > 0 ? TODO_LIST_REBASE_COUSINS : 0;
flags |= command == SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0;
if (rebase_cousins >= 0 && !rebase_merges)
warning(_("--[no-]rebase-cousins has no effect without "
"--rebase-merges"));
switch (command) {
case NONE:
if (!onto && !upstream)
die(_("a base commit must be provided with --upstream or --onto"));
ret = do_interactive_rebase(&opts, flags, switch_to, upstream, onto,
onto_name, squash_onto, head_name, restrict_revision,
raw_strategies, cmd, autosquash);
break;
case SKIP: {
struct string_list merge_rr = STRING_LIST_INIT_DUP;
rerere_clear(&merge_rr);
/* fallthrough */
case CONTINUE:
ret = sequencer_continue(&opts);
break;
}
case EDIT_TODO:
ret = edit_todo_list(flags);
break;
case SHOW_CURRENT_PATCH: {
struct child_process cmd = CHILD_PROCESS_INIT;
cmd.git_cmd = 1;
argv_array_pushl(&cmd.args, "show", "REBASE_HEAD", "--", NULL);
ret = run_command(&cmd);
break;
}
case SHORTEN_OIDS:
case EXPAND_OIDS:
ret = transform_todos(flags);
break;
case CHECK_TODO_LIST:
ret = check_todo_list();
break;
case REARRANGE_SQUASH:
ret = rearrange_squash();
break;
case ADD_EXEC:
ret = sequencer_add_exec_commands(cmd);
break;
default:
BUG("invalid command '%d'", command);
}
return !!ret;
}

View file

@ -1472,6 +1472,7 @@ extern const char *fmt_name(const char *name, const char *email);
extern const char *ident_default_name(void);
extern const char *ident_default_email(void);
extern const char *git_editor(void);
extern const char *git_sequence_editor(void);
extern const char *git_pager(int stdout_is_tty);
extern int is_terminal_dumb(void);
extern int git_ident_config(const char *, const char *, void *);

View file

@ -1,4 +1,5 @@
#include "cache.h"
#include "config.h"
#include "strbuf.h"
#include "run-command.h"
#include "sigchain.h"
@ -34,10 +35,21 @@ const char *git_editor(void)
return editor;
}
int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
const char *git_sequence_editor(void)
{
const char *editor = git_editor();
const char *editor = getenv("GIT_SEQUENCE_EDITOR");
if (!editor)
git_config_get_string_const("sequence.editor", &editor);
if (!editor)
editor = git_editor();
return editor;
}
static int launch_specified_editor(const char *editor, const char *path,
struct strbuf *buffer, const char *const *env)
{
if (!editor)
return error("Terminal is dumb, but EDITOR unset");
@ -95,3 +107,14 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en
return error_errno("could not read file '%s'", path);
return 0;
}
int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
{
return launch_specified_editor(git_editor(), path, buffer, env);
}
int launch_sequence_editor(const char *path, struct strbuf *buffer,
const char *const *env)
{
return launch_specified_editor(git_sequence_editor(), path, buffer, env);
}

View file

@ -135,26 +135,63 @@ finish_rebase () {
rm -rf "$state_dir"
}
run_interactive () {
GIT_CHERRY_PICK_HELP="$resolvemsg"
export GIT_CHERRY_PICK_HELP
test -n "$keep_empty" && keep_empty="--keep-empty"
test -n "$rebase_merges" && rebase_merges="--rebase-merges"
test -n "$rebase_cousins" && rebase_cousins="--rebase-cousins"
test -n "$autosquash" && autosquash="--autosquash"
test -n "$verbose" && verbose="--verbose"
test -n "$force_rebase" && force_rebase="--no-ff"
test -n "$restrict_revision" && \
restrict_revision="--restrict-revision=^$restrict_revision"
test -n "$upstream" && upstream="--upstream=$upstream"
test -n "$onto" && onto="--onto=$onto"
test -n "$squash_onto" && squash_onto="--squash-onto=$squash_onto"
test -n "$onto_name" && onto_name="--onto-name=$onto_name"
test -n "$head_name" && head_name="--head-name=$head_name"
test -n "$strategy" && strategy="--strategy=$strategy"
test -n "$strategy_opts" && strategy_opts="--strategy-opts=$strategy_opts"
test -n "$switch_to" && switch_to="--switch-to=$switch_to"
test -n "$cmd" && cmd="--cmd=$cmd"
test -n "$action" && action="--$action"
exec git rebase--interactive "$action" "$keep_empty" "$rebase_merges" "$rebase_cousins" \
"$upstream" "$onto" "$squash_onto" "$restrict_revision" \
"$allow_empty_message" "$autosquash" "$verbose" \
"$force_rebase" "$onto_name" "$head_name" "$strategy" \
"$strategy_opts" "$cmd" "$switch_to" \
"$allow_rerere_autoupdate" "$gpg_sign_opt" "$signoff"
}
run_specific_rebase () {
if [ "$interactive_rebase" = implied ]; then
GIT_EDITOR=:
export GIT_EDITOR
autosquash=
fi
. git-rebase--$type
if test -z "$preserve_merges"
if test -n "$interactive_rebase" -a -z "$preserve_merges"
then
git_rebase__$type
run_interactive
else
git_rebase__preserve_merges
. git-rebase--$type
if test -z "$preserve_merges"
then
git_rebase__$type
else
git_rebase__preserve_merges
fi
fi
ret=$?
if test $ret -eq 0
then
finish_rebase
elif test $ret -eq 2 # special exit status for rebase -i
elif test $ret -eq 2 # special exit status for rebase -p
then
apply_autostash &&
rm -rf "$state_dir" &&

View file

@ -1,283 +0,0 @@
# This shell script fragment is sourced by git-rebase to implement
# its interactive mode. "git rebase --interactive" makes it easy
# to fix up commits in the middle of a series and rearrange commits.
#
# Copyright (c) 2006 Johannes E. Schindelin
#
# The original idea comes from Eric W. Biederman, in
# 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
# the lines are processed, they are removed from the front of this
# file and written to the tail of $done.
todo="$state_dir"/git-rebase-todo
GIT_CHERRY_PICK_HELP="$resolvemsg"
export GIT_CHERRY_PICK_HELP
comment_char=$(git config --get core.commentchar 2>/dev/null)
case "$comment_char" in
'' | auto)
comment_char="#"
;;
?)
;;
*)
comment_char=$(echo "$comment_char" | cut -c1)
;;
esac
orig_reflog_action="$GIT_REFLOG_ACTION"
comment_for_reflog () {
case "$orig_reflog_action" in
''|rebase*)
GIT_REFLOG_ACTION="rebase -i ($1)"
export GIT_REFLOG_ACTION
;;
esac
}
append_todo_help () {
gettext "
Commands:
p, pick <commit> = use commit
r, reword <commit> = use commit, but edit the commit message
e, edit <commit> = use commit, but stop for amending
s, squash <commit> = use commit, but meld into previous commit
f, fixup <commit> = like \"squash\", but discard this commit's log message
x, exec <command> = run command (the rest of the line) using shell
d, drop <commit> = remove commit
l, label <label> = label current HEAD with a name
t, reset <label> = reset HEAD to a label
m, merge [-C <commit> | -c <commit>] <label> [# <oneline>]
. create a merge commit using the original merge commit's
. message (or the oneline, if no original merge commit was
. specified). Use -c <commit> to reword the commit message.
These lines can be re-ordered; they are executed from top to bottom.
" | git stripspace --comment-lines >>"$todo"
if test $(get_missing_commit_check_level) = error
then
gettext "
Do not remove any line. Use 'drop' explicitly to remove a commit.
" | git stripspace --comment-lines >>"$todo"
else
gettext "
If you remove a line here THAT COMMIT WILL BE LOST.
" | git stripspace --comment-lines >>"$todo"
fi
}
die_abort () {
apply_autostash
rm -rf "$state_dir"
die "$1"
}
has_action () {
test -n "$(git stripspace --strip-comments <"$1")"
}
git_sequence_editor () {
if test -z "$GIT_SEQUENCE_EDITOR"
then
GIT_SEQUENCE_EDITOR="$(git config sequence.editor)"
if [ -z "$GIT_SEQUENCE_EDITOR" ]
then
GIT_SEQUENCE_EDITOR="$(git var GIT_EDITOR)" || return $?
fi
fi
eval "$GIT_SEQUENCE_EDITOR" '"$@"'
}
expand_todo_ids() {
git rebase--helper --expand-ids
}
collapse_todo_ids() {
git rebase--helper --shorten-ids
}
# Switch to the branch in $into and notify it in the reflog
checkout_onto () {
GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name"
output git checkout $onto || die_abort "$(gettext "could not detach HEAD")"
git update-ref ORIG_HEAD $orig_head
}
get_missing_commit_check_level () {
check_level=$(git config --get rebase.missingCommitsCheck)
check_level=${check_level:-ignore}
# Don't be case sensitive
printf '%s' "$check_level" | tr 'A-Z' 'a-z'
}
# 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 "$todo"
collapse_todo_ids
append_todo_help
gettext "
You are editing the todo file of an ongoing interactive rebase.
To continue rebase after editing, run:
git rebase --continue
" | git stripspace --comment-lines >>"$todo"
git_sequence_editor "$todo" ||
die "$(gettext "Could not execute editor")"
expand_todo_ids
exit
;;
show-current-patch)
exec git show REBASE_HEAD --
;;
*)
return 1 # continue
;;
esac
}
setup_reflog_action () {
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)"
: > "$state_dir"/interactive || die "$(gettext "Could not mark as interactive")"
write_basic_state
}
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 "$upstream"
then
shortupstream=$(git rev-parse --short $upstream)
revisions=$upstream...$orig_head
shortrevisions=$shortupstream..$shorthead
else
revisions=$onto...$orig_head
shortrevisions=$shorthead
test -z "$squash_onto" ||
echo "$squash_onto" >"$state_dir"/squash-onto
fi
}
complete_action() {
test -s "$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=${todocount##* }
cat >>"$todo" <<EOF
$comment_char $(eval_ngettext \
"Rebase \$shortrevisions onto \$shortonto (\$todocount command)" \
"Rebase \$shortrevisions onto \$shortonto (\$todocount commands)" \
"$todocount")
EOF
append_todo_help
gettext "
However, if you remove everything, the rebase will be aborted.
" | 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
has_action "$todo" ||
return 2
cp "$todo" "$todo".backup
collapse_todo_ids
git_sequence_editor "$todo" ||
die_abort "$(gettext "Could not execute editor")"
has_action "$todo" ||
return 2
git rebase--helper --check-todo-list || {
ret=$?
checkout_onto
exit $ret
}
expand_todo_ids
test -n "$force_rebase" ||
onto="$(git rebase--helper --skip-unnecessary-picks)" ||
die "Could not skip unnecessary pick commands"
checkout_onto
require_clean_work_tree "rebase"
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
}

View file

@ -711,11 +711,11 @@ do_rest () {
}
expand_todo_ids() {
git rebase--helper --expand-ids
git rebase--interactive --expand-ids
}
collapse_todo_ids() {
git rebase--helper --shorten-ids
git rebase--interactive --shorten-ids
}
# Switch to the branch in $into and notify it in the reflog
@ -876,8 +876,8 @@ init_revisions_and_shortrevisions () {
complete_action() {
test -s "$todo" || echo noop >> "$todo"
test -z "$autosquash" || git rebase--helper --rearrange-squash || exit
test -n "$cmd" && git rebase--helper --add-exec-commands "$cmd"
test -z "$autosquash" || git rebase--interactive --rearrange-squash || exit
test -n "$cmd" && git rebase--interactive --add-exec-commands --cmd "$cmd"
todocount=$(git stripspace --strip-comments <"$todo" | wc -l)
todocount=${todocount##* }
@ -912,7 +912,7 @@ However, if you remove everything, the rebase will be aborted.
has_action "$todo" ||
return 2
git rebase--helper --check-todo-list || {
git rebase--interactive --check-todo-list || {
ret=$?
checkout_onto
exit $ret

2
git.c
View file

@ -527,7 +527,7 @@ static struct cmd_struct commands[] = {
* RUN_SETUP | NEED_WORK_TREE
*/
{ "rebase", cmd_rebase },
{ "rebase--helper", cmd_rebase__helper, RUN_SETUP | NEED_WORK_TREE },
{ "rebase--interactive", cmd_rebase__interactive, RUN_SETUP | NEED_WORK_TREE },
{ "receive-pack", cmd_receive_pack },
{ "reflog", cmd_reflog, RUN_SETUP },
{ "remote", cmd_remote, RUN_SETUP },

90
rebase-interactive.c Normal file
View file

@ -0,0 +1,90 @@
#include "cache.h"
#include "commit.h"
#include "rebase-interactive.h"
#include "sequencer.h"
#include "strbuf.h"
void append_todo_help(unsigned edit_todo, unsigned keep_empty,
struct strbuf *buf)
{
const char *msg = _("\nCommands:\n"
"p, pick <commit> = use commit\n"
"r, reword <commit> = use commit, but edit the commit message\n"
"e, edit <commit> = use commit, but stop for amending\n"
"s, squash <commit> = use commit, but meld into previous commit\n"
"f, fixup <commit> = like \"squash\", but discard this commit's log message\n"
"x, exec <command> = run command (the rest of the line) using shell\n"
"d, drop <commit> = remove commit\n"
"l, label <label> = label current HEAD with a name\n"
"t, reset <label> = reset HEAD to a label\n"
"m, merge [-C <commit> | -c <commit>] <label> [# <oneline>]\n"
". create a merge commit using the original merge commit's\n"
". message (or the oneline, if no original merge commit was\n"
". specified). Use -c <commit> to reword the commit message.\n"
"\n"
"These lines can be re-ordered; they are executed from top to bottom.\n");
strbuf_add_commented_lines(buf, msg, strlen(msg));
if (get_missing_commit_check_level() == MISSING_COMMIT_CHECK_ERROR)
msg = _("\nDo not remove any line. Use 'drop' "
"explicitly to remove a commit.\n");
else
msg = _("\nIf you remove a line here "
"THAT COMMIT WILL BE LOST.\n");
strbuf_add_commented_lines(buf, msg, strlen(msg));
if (edit_todo)
msg = _("\nYou are editing the todo file "
"of an ongoing interactive rebase.\n"
"To continue rebase after editing, run:\n"
" git rebase --continue\n\n");
else
msg = _("\nHowever, if you remove everything, "
"the rebase will be aborted.\n\n");
strbuf_add_commented_lines(buf, msg, strlen(msg));
if (!keep_empty) {
msg = _("Note that empty commits are commented out");
strbuf_add_commented_lines(buf, msg, strlen(msg));
}
}
int edit_todo_list(unsigned flags)
{
struct strbuf buf = STRBUF_INIT;
const char *todo_file = rebase_path_todo();
if (strbuf_read_file(&buf, todo_file, 0) < 0)
return error_errno(_("could not read '%s'."), todo_file);
strbuf_stripspace(&buf, 1);
if (write_message(buf.buf, buf.len, todo_file, 0)) {
strbuf_release(&buf);
return -1;
}
strbuf_release(&buf);
transform_todos(flags | TODO_LIST_SHORTEN_IDS);
if (strbuf_read_file(&buf, todo_file, 0) < 0)
return error_errno(_("could not read '%s'."), todo_file);
append_todo_help(1, 0, &buf);
if (write_message(buf.buf, buf.len, todo_file, 0)) {
strbuf_release(&buf);
return -1;
}
strbuf_release(&buf);
if (launch_sequence_editor(todo_file, NULL, NULL))
return -1;
transform_todos(flags & ~(TODO_LIST_SHORTEN_IDS));
return 0;
}

8
rebase-interactive.h Normal file
View file

@ -0,0 +1,8 @@
#ifndef REBASE_INTERACTIVE_H
#define REBASE_INTERACTIVE_H
void append_todo_help(unsigned edit_todo, unsigned keep_empty,
struct strbuf *buf);
int edit_todo_list(unsigned flags);
#endif

View file

@ -30,6 +30,7 @@
#include "oidset.h"
#include "commit-slab.h"
#include "alias.h"
#include "rebase-interactive.h"
#define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
@ -52,7 +53,10 @@ static GIT_PATH_FUNC(rebase_path, "rebase-merge")
* the lines are processed, they are removed from the front of this
* file and written to the tail of 'done'.
*/
static GIT_PATH_FUNC(rebase_path_todo, "rebase-merge/git-rebase-todo")
GIT_PATH_FUNC(rebase_path_todo, "rebase-merge/git-rebase-todo")
static GIT_PATH_FUNC(rebase_path_todo_backup,
"rebase-merge/git-rebase-todo.backup")
/*
* The rebase command lines that have already been processed. A line
* is moved here when it is first handled, before any associated user
@ -140,7 +144,7 @@ static GIT_PATH_FUNC(rebase_path_refs_to_delete, "rebase-merge/refs-to-delete")
/*
* The following files are written by git-rebase just after parsing the
* command-line (and are only consumed, not modified, by the sequencer).
* command-line.
*/
static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt")
static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head")
@ -152,6 +156,7 @@ static GIT_PATH_FUNC(rebase_path_autostash, "rebase-merge/autostash")
static GIT_PATH_FUNC(rebase_path_strategy, "rebase-merge/strategy")
static GIT_PATH_FUNC(rebase_path_strategy_opts, "rebase-merge/strategy_opts")
static GIT_PATH_FUNC(rebase_path_allow_rerere_autoupdate, "rebase-merge/allow_rerere_autoupdate")
static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet")
static int git_sequencer_config(const char *k, const char *v, void *cb)
{
@ -373,8 +378,8 @@ static void print_advice(int show_hint, struct replay_opts *opts)
}
}
static int write_message(const void *buf, size_t len, const char *filename,
int append_eol)
int write_message(const void *buf, size_t len, const char *filename,
int append_eol)
{
struct lock_file msg_file = LOCK_INIT;
@ -769,6 +774,23 @@ N_("you have staged changes in your working tree\n"
#define VERIFY_MSG (1<<4)
#define CREATE_ROOT_COMMIT (1<<5)
static int run_command_silent_on_success(struct child_process *cmd)
{
struct strbuf buf = STRBUF_INIT;
int rc;
cmd->stdout_to_stderr = 1;
rc = pipe_command(cmd,
NULL, 0,
NULL, 0,
&buf, 0);
if (rc)
fputs(buf.buf, stderr);
strbuf_release(&buf);
return rc;
}
/*
* If we are cherry-pick, and if the merge did not result in
* hand-editing, we will hit this commit and inherit the original
@ -823,18 +845,11 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts,
cmd.git_cmd = 1;
if (is_rebase_i(opts)) {
if (!(flags & EDIT_MSG)) {
cmd.stdout_to_stderr = 1;
cmd.err = -1;
}
if (is_rebase_i(opts) && read_env_script(&cmd.env_array)) {
const char *gpg_opt = gpg_sign_opt_quoted(opts);
if (read_env_script(&cmd.env_array)) {
const char *gpg_opt = gpg_sign_opt_quoted(opts);
return error(_(staged_changes_advice),
gpg_opt, gpg_opt);
}
return error(_(staged_changes_advice),
gpg_opt, gpg_opt);
}
argv_array_push(&cmd.args, "commit");
@ -864,21 +879,10 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts,
if (opts->allow_empty_message)
argv_array_push(&cmd.args, "--allow-empty-message");
if (cmd.err == -1) {
/* hide stderr on success */
struct strbuf buf = STRBUF_INIT;
int rc = pipe_command(&cmd,
NULL, 0,
/* stdout is already redirected */
NULL, 0,
&buf, 0);
if (rc)
fputs(buf.buf, stderr);
strbuf_release(&buf);
return rc;
}
return run_command(&cmd);
if (is_rebase_i(opts) && !(flags & EDIT_MSG))
return run_command_silent_on_success(&cmd);
else
return run_command(&cmd);
}
static int rest_is_empty(const struct strbuf *sb, int start)
@ -2202,21 +2206,14 @@ static int populate_opts_cb(const char *key, const char *value, void *data)
return 0;
}
static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf)
void parse_strategy_opts(struct replay_opts *opts, char *raw_opts)
{
int i;
char *strategy_opts_string;
char *strategy_opts_string = raw_opts;
strbuf_reset(buf);
if (!read_oneliner(buf, rebase_path_strategy(), 0))
return;
opts->strategy = strbuf_detach(buf, NULL);
if (!read_oneliner(buf, rebase_path_strategy_opts(), 0))
return;
strategy_opts_string = buf->buf;
if (*strategy_opts_string == ' ')
strategy_opts_string++;
opts->xopts_nr = split_cmdline(strategy_opts_string,
(const char ***)&opts->xopts);
for (i = 0; i < opts->xopts_nr; i++) {
@ -2227,6 +2224,18 @@ static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf)
}
}
static void read_strategy_opts(struct replay_opts *opts, struct strbuf *buf)
{
strbuf_reset(buf);
if (!read_oneliner(buf, rebase_path_strategy(), 0))
return;
opts->strategy = strbuf_detach(buf, NULL);
if (!read_oneliner(buf, rebase_path_strategy_opts(), 0))
return;
parse_strategy_opts(opts, buf->buf);
}
static int read_populate_opts(struct replay_opts *opts)
{
if (is_rebase_i(opts)) {
@ -2294,6 +2303,55 @@ static int read_populate_opts(struct replay_opts *opts)
return 0;
}
static void write_strategy_opts(struct replay_opts *opts)
{
int i;
struct strbuf buf = STRBUF_INIT;
for (i = 0; i < opts->xopts_nr; ++i)
strbuf_addf(&buf, " --%s", opts->xopts[i]);
write_file(rebase_path_strategy_opts(), "%s\n", buf.buf);
strbuf_release(&buf);
}
int write_basic_state(struct replay_opts *opts, const char *head_name,
const char *onto, const char *orig_head)
{
const char *quiet = getenv("GIT_QUIET");
if (head_name)
write_file(rebase_path_head_name(), "%s\n", head_name);
if (onto)
write_file(rebase_path_onto(), "%s\n", onto);
if (orig_head)
write_file(rebase_path_orig_head(), "%s\n", orig_head);
if (quiet)
write_file(rebase_path_quiet(), "%s\n", quiet);
else
write_file(rebase_path_quiet(), "\n");
if (opts->verbose)
write_file(rebase_path_verbose(), "");
if (opts->strategy)
write_file(rebase_path_strategy(), "%s\n", opts->strategy);
if (opts->xopts_nr > 0)
write_strategy_opts(opts);
if (opts->allow_rerere_auto == RERERE_AUTOUPDATE)
write_file(rebase_path_allow_rerere_autoupdate(), "--rerere-autoupdate\n");
else if (opts->allow_rerere_auto == RERERE_NOAUTOUPDATE)
write_file(rebase_path_allow_rerere_autoupdate(), "--no-rerere-autoupdate\n");
if (opts->gpg_sign)
write_file(rebase_path_gpg_sign_opt(), "-S%s\n", opts->gpg_sign);
if (opts->signoff)
write_file(rebase_path_signoff(), "--signoff\n");
return 0;
}
static int walk_revs_populate_todo(struct todo_list *todo_list,
struct replay_opts *opts)
{
@ -3228,6 +3286,55 @@ static const char *reflog_message(struct replay_opts *opts,
return buf.buf;
}
static int run_git_checkout(struct replay_opts *opts, const char *commit,
const char *action)
{
struct child_process cmd = CHILD_PROCESS_INIT;
cmd.git_cmd = 1;
argv_array_push(&cmd.args, "checkout");
argv_array_push(&cmd.args, commit);
argv_array_pushf(&cmd.env_array, GIT_REFLOG_ACTION "=%s", action);
if (opts->verbose)
return run_command(&cmd);
else
return run_command_silent_on_success(&cmd);
}
int prepare_branch_to_be_rebased(struct replay_opts *opts, const char *commit)
{
const char *action;
if (commit && *commit) {
action = reflog_message(opts, "start", "checkout %s", commit);
if (run_git_checkout(opts, commit, action))
return error(_("could not checkout %s"), commit);
}
return 0;
}
static int checkout_onto(struct replay_opts *opts,
const char *onto_name, const char *onto,
const char *orig_head)
{
struct object_id oid;
const char *action = reflog_message(opts, "start", "checkout %s", onto_name);
if (get_oid(orig_head, &oid))
return error(_("%s: not a valid OID"), orig_head);
if (run_git_checkout(opts, onto, action)) {
apply_autostash(opts);
sequencer_remove_state(opts);
return error(_("could not detach HEAD"));
}
return update_ref(NULL, "ORIG_HEAD", &oid, NULL, 0, UPDATE_REFS_MSG_ON_ERR);
}
static const char rescheduled_advice[] =
N_("Could not execute the todo command\n"
"\n"
@ -4333,24 +4440,20 @@ int transform_todos(unsigned flags)
return i;
}
enum check_level {
CHECK_IGNORE = 0, CHECK_WARN, CHECK_ERROR
};
static enum check_level get_missing_commit_check_level(void)
enum missing_commit_check_level get_missing_commit_check_level(void)
{
const char *value;
if (git_config_get_value("rebase.missingcommitscheck", &value) ||
!strcasecmp("ignore", value))
return CHECK_IGNORE;
return MISSING_COMMIT_CHECK_IGNORE;
if (!strcasecmp("warn", value))
return CHECK_WARN;
return MISSING_COMMIT_CHECK_WARN;
if (!strcasecmp("error", value))
return CHECK_ERROR;
return MISSING_COMMIT_CHECK_ERROR;
warning(_("unrecognized setting %s for option "
"rebase.missingCommitsCheck. Ignoring."), value);
return CHECK_IGNORE;
return MISSING_COMMIT_CHECK_IGNORE;
}
define_commit_slab(commit_seen, unsigned char);
@ -4362,7 +4465,7 @@ define_commit_slab(commit_seen, unsigned char);
*/
int check_todo_list(void)
{
enum check_level check_level = get_missing_commit_check_level();
enum missing_commit_check_level check_level = get_missing_commit_check_level();
struct strbuf todo_file = STRBUF_INIT;
struct todo_list todo_list = TODO_LIST_INIT;
struct strbuf missing = STRBUF_INIT;
@ -4379,7 +4482,7 @@ int check_todo_list(void)
advise_to_edit_todo = res =
parse_insn_buffer(todo_list.buf.buf, &todo_list);
if (res || check_level == CHECK_IGNORE)
if (res || check_level == MISSING_COMMIT_CHECK_IGNORE)
goto leave_check;
/* Mark the commits in git-rebase-todo as seen */
@ -4414,7 +4517,7 @@ int check_todo_list(void)
if (!missing.len)
goto leave_check;
if (check_level == CHECK_ERROR)
if (check_level == MISSING_COMMIT_CHECK_ERROR)
advise_to_edit_todo = res = 1;
fprintf(stderr,
@ -4460,17 +4563,17 @@ static int rewrite_file(const char *path, const char *buf, size_t len)
}
/* skip picking commits whose parents are unchanged */
int skip_unnecessary_picks(void)
static int skip_unnecessary_picks(struct object_id *output_oid)
{
const char *todo_file = rebase_path_todo();
struct strbuf buf = STRBUF_INIT;
struct todo_list todo_list = TODO_LIST_INIT;
struct object_id onto_oid, *oid = &onto_oid, *parent_oid;
struct object_id *parent_oid;
int fd, i;
if (!read_oneliner(&buf, rebase_path_onto(), 0))
return error(_("could not read 'onto'"));
if (get_oid(buf.buf, &onto_oid)) {
if (get_oid(buf.buf, output_oid)) {
strbuf_release(&buf);
return error(_("need a HEAD to fixup"));
}
@ -4500,9 +4603,9 @@ int skip_unnecessary_picks(void)
if (item->commit->parents->next)
break; /* merge commit */
parent_oid = &item->commit->parents->item->object.oid;
if (hashcmp(parent_oid->hash, oid->hash))
if (hashcmp(parent_oid->hash, output_oid->hash))
break;
oid = &item->commit->object.oid;
oidcpy(output_oid, &item->commit->object.oid);
}
if (i > 0) {
int offset = get_item_line_offset(&todo_list, i);
@ -4531,15 +4634,114 @@ int skip_unnecessary_picks(void)
todo_list.current = i;
if (is_fixup(peek_command(&todo_list, 0)))
record_in_rewritten(oid, peek_command(&todo_list, 0));
record_in_rewritten(output_oid, peek_command(&todo_list, 0));
}
todo_list_release(&todo_list);
printf("%s\n", oid_to_hex(oid));
return 0;
}
int complete_action(struct replay_opts *opts, unsigned flags,
const char *shortrevisions, const char *onto_name,
const char *onto, const char *orig_head, const char *cmd,
unsigned autosquash)
{
const char *shortonto, *todo_file = rebase_path_todo();
struct todo_list todo_list = TODO_LIST_INIT;
struct strbuf *buf = &(todo_list.buf);
struct object_id oid;
struct stat st;
get_oid(onto, &oid);
shortonto = find_unique_abbrev(&oid, DEFAULT_ABBREV);
if (!lstat(todo_file, &st) && st.st_size == 0 &&
write_message("noop\n", 5, todo_file, 0))
return -1;
if (autosquash && rearrange_squash())
return -1;
if (cmd && *cmd)
sequencer_add_exec_commands(cmd);
if (strbuf_read_file(buf, todo_file, 0) < 0)
return error_errno(_("could not read '%s'."), todo_file);
if (parse_insn_buffer(buf->buf, &todo_list)) {
todo_list_release(&todo_list);
return error(_("unusable todo list: '%s'"), todo_file);
}
if (count_commands(&todo_list) == 0) {
apply_autostash(opts);
sequencer_remove_state(opts);
todo_list_release(&todo_list);
return error(_("nothing to do"));
}
strbuf_addch(buf, '\n');
strbuf_commented_addf(buf, Q_("Rebase %s onto %s (%d command)",
"Rebase %s onto %s (%d commands)",
count_commands(&todo_list)),
shortrevisions, shortonto, count_commands(&todo_list));
append_todo_help(0, flags & TODO_LIST_KEEP_EMPTY, buf);
if (write_message(buf->buf, buf->len, todo_file, 0)) {
todo_list_release(&todo_list);
return -1;
}
if (copy_file(rebase_path_todo_backup(), todo_file, 0666))
return error(_("could not copy '%s' to '%s'."), todo_file,
rebase_path_todo_backup());
if (transform_todos(flags | TODO_LIST_SHORTEN_IDS))
return error(_("could not transform the todo list"));
strbuf_reset(buf);
if (launch_sequence_editor(todo_file, buf, NULL)) {
apply_autostash(opts);
sequencer_remove_state(opts);
todo_list_release(&todo_list);
return -1;
}
strbuf_stripspace(buf, 1);
if (buf->len == 0) {
apply_autostash(opts);
sequencer_remove_state(opts);
todo_list_release(&todo_list);
return error(_("nothing to do"));
}
todo_list_release(&todo_list);
if (check_todo_list()) {
checkout_onto(opts, onto_name, onto, orig_head);
return -1;
}
if (transform_todos(flags & ~(TODO_LIST_SHORTEN_IDS)))
return error(_("could not transform the todo list"));
if (opts->allow_ff && skip_unnecessary_picks(&oid))
return error(_("could not skip unnecessary pick commands"));
if (checkout_onto(opts, onto_name, oid_to_hex(&oid), orig_head))
return -1;
;
if (require_clean_work_tree("rebase", "", 1, 1))
return -1;
return sequencer_continue(opts);
}
struct subject2item_entry {
struct hashmap_entry entry;
int i;

View file

@ -3,6 +3,7 @@
const char *git_path_commit_editmsg(void);
const char *git_path_seq_dir(void);
const char *rebase_path_todo(void);
#define APPEND_SIGNOFF_DEDUP (1u << 0)
@ -57,6 +58,15 @@ struct replay_opts {
};
#define REPLAY_OPTS_INIT { .action = -1, .current_fixups = STRBUF_INIT }
enum missing_commit_check_level {
MISSING_COMMIT_CHECK_IGNORE = 0,
MISSING_COMMIT_CHECK_WARN,
MISSING_COMMIT_CHECK_ERROR
};
int write_message(const void *buf, size_t len, const char *filename,
int append_eol);
/* Call this to setup defaults before parsing command line options */
void sequencer_init_config(struct replay_opts *opts);
int sequencer_pick_revisions(struct replay_opts *opts);
@ -79,8 +89,12 @@ int sequencer_make_script(FILE *out, int argc, const char **argv,
int sequencer_add_exec_commands(const char *command);
int transform_todos(unsigned flags);
enum missing_commit_check_level get_missing_commit_check_level(void);
int check_todo_list(void);
int skip_unnecessary_picks(void);
int complete_action(struct replay_opts *opts, unsigned flags,
const char *shortrevisions, const char *onto_name,
const char *onto, const char *orig_head, const char *cmd,
unsigned autosquash);
int rearrange_squash(void);
extern const char sign_off_header[];
@ -98,8 +112,14 @@ int update_head_with_reflog(const struct commit *old_head,
void commit_post_rewrite(const struct commit *current_head,
const struct object_id *new_head);
int prepare_branch_to_be_rebased(struct replay_opts *opts, const char *commit);
#define SUMMARY_INITIAL_COMMIT (1 << 0)
#define SUMMARY_SHOW_AUTHOR_DATE (1 << 1)
void print_commit_summary(const char *prefix, const struct object_id *oid,
unsigned int flags);
#endif
void parse_strategy_opts(struct replay_opts *opts, char *raw_opts);
int write_basic_state(struct replay_opts *opts, const char *head_name,
const char *onto, const char *orig_head);

View file

@ -578,6 +578,8 @@ extern void strbuf_add_unique_abbrev(struct strbuf *sb,
* file's contents are not read into the buffer upon completion.
*/
extern int launch_editor(const char *path, struct strbuf *buffer, const char *const *env);
extern int launch_sequence_editor(const char *path, struct strbuf *buffer,
const char *const *env);
extern void strbuf_add_lines(struct strbuf *sb, const char *prefix, const char *buf, size_t size);

View file

@ -75,6 +75,16 @@ test_expect_success 'rebase --keep-empty' '
test_line_count = 6 actual
'
cat > expect <<EOF
error: nothing to do
EOF
test_expect_success 'rebase -i with empty HEAD' '
set_fake_editor &&
test_must_fail env FAKE_LINES="1 exec_true" git rebase -i HEAD^ >actual 2>&1 &&
test_i18ncmp expect actual
'
test_expect_success 'rebase -i with the exec command' '
git checkout master &&
(