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d87d48b2e0
When an interactive rebase wants to recreate a root commit, it - first creates a new, empty root commit, - checks it out, - converts the next `pick` command so that it amends the empty root commit Introduce support in the sequencer to handle such an empty root commit, by looking for the file <GIT_DIR>/rebase-merge/squash-onto; if it exists and contains a commit name, the sequencer will compare the HEAD to said root commit, and if identical, a new root commit will be created. While converting scripted code into proper, portable C, we also do away with the old "amend with an empty commit message, then cherry-pick without committing, then amend again" dance and replace it with code that uses the internal API properly to do exactly what we want: create a new root commit. To keep the implementation simple, we always spawn `git commit` to create new root commits. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
#ifndef SEQUENCER_H
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#define SEQUENCER_H
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const char *git_path_commit_editmsg(void);
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const char *git_path_seq_dir(void);
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#define APPEND_SIGNOFF_DEDUP (1u << 0)
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enum replay_action {
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REPLAY_REVERT,
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REPLAY_PICK,
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REPLAY_INTERACTIVE_REBASE
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};
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enum commit_msg_cleanup_mode {
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COMMIT_MSG_CLEANUP_SPACE,
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COMMIT_MSG_CLEANUP_NONE,
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COMMIT_MSG_CLEANUP_SCISSORS,
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COMMIT_MSG_CLEANUP_ALL
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};
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struct replay_opts {
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enum replay_action action;
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/* Boolean options */
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int edit;
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int record_origin;
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int no_commit;
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int signoff;
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int allow_ff;
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int allow_rerere_auto;
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int allow_empty;
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int allow_empty_message;
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int keep_redundant_commits;
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int verbose;
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int mainline;
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char *gpg_sign;
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enum commit_msg_cleanup_mode default_msg_cleanup;
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/* Merge strategy */
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char *strategy;
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char **xopts;
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size_t xopts_nr, xopts_alloc;
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/* placeholder commit for -i --root */
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struct object_id squash_onto;
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int have_squash_onto;
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/* Only used by REPLAY_NONE */
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struct rev_info *revs;
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};
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#define REPLAY_OPTS_INIT { -1 }
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/* Call this to setup defaults before parsing command line options */
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void sequencer_init_config(struct replay_opts *opts);
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int sequencer_pick_revisions(struct replay_opts *opts);
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int sequencer_continue(struct replay_opts *opts);
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int sequencer_rollback(struct replay_opts *opts);
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int sequencer_remove_state(struct replay_opts *opts);
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#define TODO_LIST_KEEP_EMPTY (1U << 0)
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#define TODO_LIST_SHORTEN_IDS (1U << 1)
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#define TODO_LIST_ABBREVIATE_CMDS (1U << 2)
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#define TODO_LIST_REBASE_MERGES (1U << 3)
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/*
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* When rebasing merges, commits that do have the base commit as ancestor
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* ("cousins") are *not* rebased onto the new base by default. If those
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* commits should be rebased onto the new base, this flag needs to be passed.
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*/
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#define TODO_LIST_REBASE_COUSINS (1U << 4)
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int sequencer_make_script(FILE *out, int argc, const char **argv,
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unsigned flags);
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int sequencer_add_exec_commands(const char *command);
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int transform_todos(unsigned flags);
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int check_todo_list(void);
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int skip_unnecessary_picks(void);
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int rearrange_squash(void);
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extern const char sign_off_header[];
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void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag);
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void append_conflicts_hint(struct strbuf *msgbuf);
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int message_is_empty(const struct strbuf *sb,
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enum commit_msg_cleanup_mode cleanup_mode);
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int template_untouched(const struct strbuf *sb, const char *template_file,
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enum commit_msg_cleanup_mode cleanup_mode);
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int update_head_with_reflog(const struct commit *old_head,
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const struct object_id *new_head,
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const char *action, const struct strbuf *msg,
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struct strbuf *err);
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void commit_post_rewrite(const struct commit *current_head,
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const struct object_id *new_head);
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#define SUMMARY_INITIAL_COMMIT (1 << 0)
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#define SUMMARY_SHOW_AUTHOR_DATE (1 << 1)
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void print_commit_summary(const char *prefix, const struct object_id *oid,
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unsigned int flags);
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#endif
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