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ea625cb027
directory renaming and merging can cause one or more files to be moved to where an existing file is, or to cause several files to all be moved to the same (otherwise vacant) location. Add checking and reporting for such cases, falling back to no-directory-rename handling for such paths. Reviewed-by: Stefan Beller <sbeller@google.com> Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
#ifndef MERGE_RECURSIVE_H
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#define MERGE_RECURSIVE_H
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#include "string-list.h"
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struct merge_options {
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const char *ancestor;
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const char *branch1;
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const char *branch2;
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enum {
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MERGE_RECURSIVE_NORMAL = 0,
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MERGE_RECURSIVE_OURS,
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MERGE_RECURSIVE_THEIRS
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} recursive_variant;
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const char *subtree_shift;
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unsigned buffer_output; /* 1: output at end, 2: keep buffered */
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unsigned renormalize : 1;
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long xdl_opts;
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int verbosity;
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int detect_rename;
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int diff_rename_limit;
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int merge_rename_limit;
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int rename_score;
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int needed_rename_limit;
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int show_rename_progress;
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int call_depth;
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struct strbuf obuf;
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struct hashmap current_file_dir_set;
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struct string_list df_conflict_file_set;
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};
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/*
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* For dir_rename_entry, directory names are stored as a full path from the
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* toplevel of the repository and do not include a trailing '/'. Also:
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*
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* dir: original name of directory being renamed
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* non_unique_new_dir: if true, could not determine new_dir
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* new_dir: final name of directory being renamed
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* possible_new_dirs: temporary used to help determine new_dir; see comments
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* in get_directory_renames() for details
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*/
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struct dir_rename_entry {
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struct hashmap_entry ent; /* must be the first member! */
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char *dir;
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unsigned non_unique_new_dir:1;
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struct strbuf new_dir;
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struct string_list possible_new_dirs;
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};
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struct collision_entry {
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struct hashmap_entry ent; /* must be the first member! */
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char *target_file;
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struct string_list source_files;
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unsigned reported_already:1;
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};
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/* merge_trees() but with recursive ancestor consolidation */
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int merge_recursive(struct merge_options *o,
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struct commit *h1,
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struct commit *h2,
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struct commit_list *ancestors,
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struct commit **result);
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/* rename-detecting three-way merge, no recursion */
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int merge_trees(struct merge_options *o,
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struct tree *head,
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struct tree *merge,
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struct tree *common,
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struct tree **result);
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/*
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* "git-merge-recursive" can be fed trees; wrap them into
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* virtual commits and call merge_recursive() proper.
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*/
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int merge_recursive_generic(struct merge_options *o,
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const struct object_id *head,
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const struct object_id *merge,
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int num_ca,
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const struct object_id **ca,
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struct commit **result);
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void init_merge_options(struct merge_options *o);
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struct tree *write_tree_from_memory(struct merge_options *o);
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int parse_merge_opt(struct merge_options *out, const char *s);
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#endif
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