Andrew's git - gitweb.git/blob

2232247be4949305ea7b742ca3bdd45cf008d335
   1#ifndef REVISION_H
   2#define REVISION_H
   3
   4#define SEEN            (1u<<0)
   5#define UNINTERESTING   (1u<<1)
   6#define TREECHANGE      (1u<<2)
   7#define SHOWN           (1u<<3)
   8#define TMP_MARK        (1u<<4) /* for isolated cases; clean after use */
   9#define BOUNDARY        (1u<<5)
  10#define CHILD_SHOWN     (1u<<6)
  11#define ADDED           (1u<<7) /* Parents already parsed and added? */
  12#define SYMMETRIC_LEFT  (1u<<8)
  13#define TOPOSORT        (1u<<9) /* In the active toposort list.. */
  14
  15struct rev_info;
  16struct log_info;
  17
  18typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
  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        void *prune_data;
  31        prune_fn_t *prune_fn;
  32
  33        unsigned int early_output;
  34
  35        /* Traversal flags */
  36        unsigned int    dense:1,
  37                        no_merges:1,
  38                        no_walk:1,
  39                        remove_empty_trees:1,
  40                        simplify_history:1,
  41                        lifo:1,
  42                        topo_order:1,
  43                        tag_objects:1,
  44                        tree_objects:1,
  45                        blob_objects:1,
  46                        edge_hint:1,
  47                        limited:1,
  48                        unpacked:1, /* see also ignore_packed below */
  49                        boundary:2,
  50                        left_right:1,
  51                        parents:1,
  52                        reverse:1,
  53                        cherry_pick:1,
  54                        first_parent_only:1;
  55
  56        /* Diff flags */
  57        unsigned int    diff:1,
  58                        full_diff:1,
  59                        show_root_diff:1,
  60                        no_commit_id:1,
  61                        verbose_header:1,
  62                        ignore_merges:1,
  63                        combine_merges:1,
  64                        dense_combined_merges:1,
  65                        always_show_header:1;
  66
  67        /* Format info */
  68        unsigned int    shown_one:1,
  69                        abbrev_commit:1;
  70        enum date_mode date_mode;
  71
  72        const char **ignore_packed; /* pretend objects in these are unpacked */
  73        int num_ignore_packed;
  74
  75        unsigned int    abbrev;
  76        enum cmit_fmt   commit_format;
  77        struct log_info *loginfo;
  78        int             nr, total;
  79        const char      *mime_boundary;
  80        const char      *message_id;
  81        const char      *ref_message_id;
  82        const char      *add_signoff;
  83        const char      *extra_headers;
  84        const char      *log_reencode;
  85        const char      *subject_prefix;
  86        int             no_inline;
  87        int             show_log_size;
  88
  89        /* Filter by commit log message */
  90        struct grep_opt *grep_filter;
  91
  92        /* special limits */
  93        int skip_count;
  94        int max_count;
  95        unsigned long max_age;
  96        unsigned long min_age;
  97
  98        /* diff info for patches and for paths limiting */
  99        struct diff_options diffopt;
 100        struct diff_options pruning;
 101
 102        struct reflog_walk_info *reflog_info;
 103};
 104
 105#define REV_TREE_SAME           0
 106#define REV_TREE_NEW            1
 107#define REV_TREE_DIFFERENT      2
 108
 109/* revision.c */
 110typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
 111volatile show_early_output_fn_t show_early_output;
 112
 113extern void init_revisions(struct rev_info *revs, const char *prefix);
 114extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
 115extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
 116
 117extern int prepare_revision_walk(struct rev_info *revs);
 118extern struct commit *get_revision(struct rev_info *revs);
 119
 120extern void mark_parents_uninteresting(struct commit *commit);
 121extern void mark_tree_uninteresting(struct tree *tree);
 122
 123struct name_path {
 124        struct name_path *up;
 125        int elem_len;
 126        const char *elem;
 127};
 128
 129extern void add_object(struct object *obj,
 130                       struct object_array *p,
 131                       struct name_path *path,
 132                       const char *name);
 133
 134extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 135
 136enum commit_action {
 137        commit_ignore,
 138        commit_show,
 139        commit_error
 140};
 141
 142extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
 143
 144#endif