revision.hon commit fast-import: Improve robustness when D->F changes provided in wrong order (253fb5f)
   1#ifndef REVISION_H
   2#define REVISION_H
   3
   4#include "parse-options.h"
   5#include "grep.h"
   6#include "notes.h"
   7
   8#define SEEN            (1u<<0)
   9#define UNINTERESTING   (1u<<1)
  10#define TREESAME        (1u<<2)
  11#define SHOWN           (1u<<3)
  12#define TMP_MARK        (1u<<4) /* for isolated cases; clean after use */
  13#define BOUNDARY        (1u<<5)
  14#define CHILD_SHOWN     (1u<<6)
  15#define ADDED           (1u<<7) /* Parents already parsed and added? */
  16#define SYMMETRIC_LEFT  (1u<<8)
  17#define ALL_REV_FLAGS   ((1u<<9)-1)
  18
  19#define DECORATE_SHORT_REFS     1
  20#define DECORATE_FULL_REFS      2
  21
  22struct rev_info;
  23struct log_info;
  24struct string_list;
  25
  26struct rev_info {
  27        /* Starting list */
  28        struct commit_list *commits;
  29        struct object_array pending;
  30
  31        /* Parents of shown commits */
  32        struct object_array boundary_commits;
  33
  34        /* Basic information */
  35        const char *prefix;
  36        const char *def;
  37        void *prune_data;
  38        unsigned int early_output;
  39
  40        /* Traversal flags */
  41        unsigned int    dense:1,
  42                        prune:1,
  43                        no_merges:1,
  44                        merges_only:1,
  45                        no_walk:1,
  46                        show_all:1,
  47                        remove_empty_trees:1,
  48                        simplify_history:1,
  49                        lifo:1,
  50                        topo_order:1,
  51                        simplify_merges:1,
  52                        simplify_by_decoration:1,
  53                        tag_objects:1,
  54                        tree_objects:1,
  55                        blob_objects:1,
  56                        edge_hint:1,
  57                        limited:1,
  58                        unpacked:1,
  59                        boundary:2,
  60                        left_right:1,
  61                        rewrite_parents:1,
  62                        print_parents:1,
  63                        show_source:1,
  64                        show_decorations:1,
  65                        reverse:1,
  66                        reverse_output_stage:1,
  67                        cherry_pick:1,
  68                        bisect:1,
  69                        first_parent_only:1;
  70
  71        /* Diff flags */
  72        unsigned int    diff:1,
  73                        full_diff:1,
  74                        show_root_diff:1,
  75                        no_commit_id:1,
  76                        verbose_header:1,
  77                        ignore_merges:1,
  78                        combine_merges:1,
  79                        dense_combined_merges:1,
  80                        always_show_header:1;
  81
  82        /* Format info */
  83        unsigned int    shown_one:1,
  84                        show_merge:1,
  85                        show_notes:1,
  86                        show_notes_given:1,
  87                        pretty_given:1,
  88                        abbrev_commit:1,
  89                        use_terminator:1,
  90                        missing_newline:1,
  91                        date_mode_explicit:1;
  92        unsigned int    disable_stdin:1;
  93
  94        enum date_mode date_mode;
  95
  96        unsigned int    abbrev;
  97        enum cmit_fmt   commit_format;
  98        struct log_info *loginfo;
  99        int             nr, total;
 100        const char      *mime_boundary;
 101        const char      *patch_suffix;
 102        int             numbered_files;
 103        char            *message_id;
 104        struct string_list *ref_message_ids;
 105        const char      *add_signoff;
 106        const char      *extra_headers;
 107        const char      *log_reencode;
 108        const char      *subject_prefix;
 109        int             no_inline;
 110        int             show_log_size;
 111
 112        /* Filter by commit log message */
 113        struct grep_opt grep_filter;
 114
 115        /* Display history graph */
 116        struct git_graph *graph;
 117
 118        /* special limits */
 119        int skip_count;
 120        int max_count;
 121        unsigned long max_age;
 122        unsigned long min_age;
 123
 124        /* diff info for patches and for paths limiting */
 125        struct diff_options diffopt;
 126        struct diff_options pruning;
 127
 128        struct reflog_walk_info *reflog_info;
 129        struct decoration children;
 130        struct decoration merge_simplification;
 131
 132        /* notes-specific options: which refs to show */
 133        struct display_notes_opt notes_opt;
 134};
 135
 136#define REV_TREE_SAME           0
 137#define REV_TREE_NEW            1       /* Only new files */
 138#define REV_TREE_OLD            2       /* Only files removed */
 139#define REV_TREE_DIFFERENT      3       /* Mixed changes */
 140
 141/* revision.c */
 142typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 143extern volatile show_early_output_fn_t show_early_output;
 144
 145struct setup_revision_opt {
 146        const char *def;
 147        void (*tweak)(struct rev_info *, struct setup_revision_opt *);
 148};
 149
 150extern void init_revisions(struct rev_info *revs, const char *prefix);
 151extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
 152extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
 153                                 const struct option *options,
 154                                 const char * const usagestr[]);
 155extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 156
 157extern int prepare_revision_walk(struct rev_info *revs);
 158extern struct commit *get_revision(struct rev_info *revs);
 159
 160extern void mark_parents_uninteresting(struct commit *commit);
 161extern void mark_tree_uninteresting(struct tree *tree);
 162
 163struct name_path {
 164        struct name_path *up;
 165        int elem_len;
 166        const char *elem;
 167};
 168
 169char *path_name(const struct name_path *path, const char *name);
 170
 171extern void add_object(struct object *obj,
 172                       struct object_array *p,
 173                       struct name_path *path,
 174                       const char *name);
 175
 176extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 177
 178extern void add_head_to_pending(struct rev_info *);
 179
 180enum commit_action {
 181        commit_ignore,
 182        commit_show,
 183        commit_error
 184};
 185
 186extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
 187extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 188
 189#endif