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64a8eea532
git replay learns --linearize option to drop merge commits and linearize the replayed history, mimicking git rebase --no-rebase-merges. * tc/replay-linearize: replay: offer an option to linearize the commit topology replay: add helper to put entry into mapped_commits replay: refactor enum replay_mode into a bool
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
#ifndef REPLAY_H
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#define REPLAY_H
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#include "hash.h"
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struct repository;
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struct rev_info;
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/*
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* Controls what happens when a replayed commit becomes empty (i.e. its tree
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* is identical to its parent's tree after the replay).
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*/
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enum replay_empty_commit_action {
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/* Silently discard the empty commit. */
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REPLAY_EMPTY_COMMIT_DROP,
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/* Keep the empty commit as-is. */
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REPLAY_EMPTY_COMMIT_KEEP,
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/* Abort with an error. */
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REPLAY_EMPTY_COMMIT_ABORT,
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};
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/*
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* A set of options that can be passed to `replay_revisions()`.
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*/
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struct replay_revisions_options {
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/*
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* Starting point at which to create the new commits; must be a branch
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* name. The branch will be updated to point to the rewritten commits.
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* This option is mutually exclusive with `onto` and `revert`.
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*/
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const char *advance;
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/*
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* Starting point at which to create the new commits; must be a
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* committish. References pointing at descendants of `onto` will be
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* updated to point to the new commits.
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*/
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const char *onto;
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/*
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* Reference to update with the result of the replay. This will not
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* update any refs from `onto`, `advance`, or `revert`. Ignores
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* `contained`.
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*/
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const char *ref;
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/*
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* Starting point at which to create revert commits; must be a branch
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* name. The branch will be updated to point to the revert commits.
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* This option is mutually exclusive with `onto` and `advance`.
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*/
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const char *revert;
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/*
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* Update branches that point at commits in the given revision range.
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* Requires `onto` to be set.
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*/
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int contained;
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/*
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* Controls what to do when a replayed commit becomes empty.
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* Defaults to REPLAY_EMPTY_COMMIT_DROP.
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*/
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enum replay_empty_commit_action empty;
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/*
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* Whether to linearize the commits (i.e. drop merge commits).
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*/
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int linearize;
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};
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/* This struct is used as an out-parameter by `replay_revisions()`. */
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struct replay_result {
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/*
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* The set of reference updates that are caused by replaying the
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* commits.
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*/
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struct replay_ref_update {
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char *refname;
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struct object_id old_oid;
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struct object_id new_oid;
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} *updates;
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size_t updates_nr, updates_alloc;
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};
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void replay_result_release(struct replay_result *result);
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/*
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* Replay a set of commits onto a new location. Leaves both the working tree,
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* index and references untouched. Reference updates caused by the replay will
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* be recorded in the `updates` out pointer.
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*
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* Returns 0 on success, 1 on conflict and a negative error code otherwise.
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*/
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int replay_revisions(struct rev_info *revs,
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struct replay_revisions_options *opts,
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struct replay_result *out);
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#endif
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