Code

fast-import: Don't use a maybe-clobbered errno value
[git.git] / revision.h
1 #ifndef REVISION_H
2 #define REVISION_H
4 #define SEEN            (1u<<0)
5 #define UNINTERESTING   (1u<<1)
6 #define TREESAME        (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.. */
15 struct rev_info;
16 struct log_info;
18 struct rev_info {
19         /* Starting list */
20         struct commit_list *commits;
21         struct object_array pending;
23         /* Parents of shown commits */
24         struct object_array boundary_commits;
26         /* Basic information */
27         const char *prefix;
28         void *prune_data;
29         unsigned int early_output;
31         /* Traversal flags */
32         unsigned int    dense:1,
33                         prune:1,
34                         no_merges:1,
35                         no_walk:1,
36                         remove_empty_trees:1,
37                         simplify_history:1,
38                         lifo:1,
39                         topo_order:1,
40                         tag_objects:1,
41                         tree_objects:1,
42                         blob_objects:1,
43                         edge_hint:1,
44                         limited:1,
45                         unpacked:1, /* see also ignore_packed below */
46                         boundary:2,
47                         left_right:1,
48                         parents:1,
49                         reverse:1,
50                         cherry_pick:1,
51                         first_parent_only:1;
53         /* Diff flags */
54         unsigned int    diff:1,
55                         full_diff:1,
56                         show_root_diff:1,
57                         no_commit_id:1,
58                         verbose_header:1,
59                         ignore_merges:1,
60                         combine_merges:1,
61                         dense_combined_merges:1,
62                         always_show_header:1;
64         /* Format info */
65         unsigned int    shown_one:1,
66                         abbrev_commit:1;
67         enum date_mode date_mode;
69         const char **ignore_packed; /* pretend objects in these are unpacked */
70         int num_ignore_packed;
72         unsigned int    abbrev;
73         enum cmit_fmt   commit_format;
74         struct log_info *loginfo;
75         int             nr, total;
76         const char      *mime_boundary;
77         const char      *message_id;
78         const char      *ref_message_id;
79         const char      *add_signoff;
80         const char      *extra_headers;
81         const char      *log_reencode;
82         const char      *subject_prefix;
83         int             no_inline;
84         int             show_log_size;
86         /* Filter by commit log message */
87         struct grep_opt *grep_filter;
89         /* special limits */
90         int skip_count;
91         int max_count;
92         unsigned long max_age;
93         unsigned long min_age;
95         /* diff info for patches and for paths limiting */
96         struct diff_options diffopt;
97         struct diff_options pruning;
99         struct reflog_walk_info *reflog_info;
100 };
102 #define REV_TREE_SAME           0
103 #define REV_TREE_NEW            1
104 #define REV_TREE_DIFFERENT      2
106 /* revision.c */
107 typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
108 volatile show_early_output_fn_t show_early_output;
110 extern void init_revisions(struct rev_info *revs, const char *prefix);
111 extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
112 extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
114 extern int prepare_revision_walk(struct rev_info *revs);
115 extern struct commit *get_revision(struct rev_info *revs);
117 extern void mark_parents_uninteresting(struct commit *commit);
118 extern void mark_tree_uninteresting(struct tree *tree);
120 struct name_path {
121         struct name_path *up;
122         int elem_len;
123         const char *elem;
124 };
126 extern void add_object(struct object *obj,
127                        struct object_array *p,
128                        struct name_path *path,
129                        const char *name);
131 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
133 extern void add_head_to_pending(struct rev_info *);
135 enum commit_action {
136         commit_ignore,
137         commit_show,
138         commit_error
139 };
141 extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
143 #endif