Andrew's git - gitweb.git/blob

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