1#ifndef REVISION_H
2#define REVISION_H
34
#include "parse-options.h"
56
#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)
1617
struct rev_info;
18struct log_info;
1920
struct rev_info {
21/* Starting list */
22struct commit_list *commits;
23struct object_array pending;
2425
/* Parents of shown commits */
26struct object_array boundary_commits;
2728
/* Basic information */
29const char *prefix;
30const char *def;
31void *prune_data;
32unsigned int early_output;
3334
/* Traversal flags */
35unsigned int dense:1,
36prune:1,
37no_merges:1,
38no_walk:1,
39show_all:1,
40remove_empty_trees:1,
41simplify_history:1,
42lifo:1,
43topo_order:1,
44simplify_merges:1,
45tag_objects:1,
46tree_objects:1,
47blob_objects:1,
48edge_hint:1,
49limited:1,
50unpacked:1, /* see also ignore_packed below */
51boundary:2,
52left_right:1,
53rewrite_parents:1,
54print_parents:1,
55reverse:1,
56cherry_pick:1,
57first_parent_only:1;
5859
/* Diff flags */
60unsigned int diff:1,
61full_diff:1,
62show_root_diff:1,
63no_commit_id:1,
64verbose_header:1,
65ignore_merges:1,
66combine_merges:1,
67dense_combined_merges:1,
68always_show_header:1;
6970
/* Format info */
71unsigned int shown_one:1,
72show_merge:1,
73abbrev_commit:1,
74use_terminator:1,
75missing_newline:1;
76enum date_mode date_mode;
7778
const char **ignore_packed; /* pretend objects in these are unpacked */
79int num_ignore_packed;
8081
unsigned int abbrev;
82enum cmit_fmt commit_format;
83struct log_info *loginfo;
84int nr, total;
85const char *mime_boundary;
86char *message_id;
87const char *ref_message_id;
88const char *add_signoff;
89const char *extra_headers;
90const char *log_reencode;
91const char *subject_prefix;
92int no_inline;
93int show_log_size;
9495
/* Filter by commit log message */
96struct grep_opt *grep_filter;
9798
/* Display history graph */
99struct git_graph *graph;
100101
/* special limits */
102int skip_count;
103int max_count;
104unsigned long max_age;
105unsigned long min_age;
106107
/* diff info for patches and for paths limiting */
108struct diff_options diffopt;
109struct diff_options pruning;
110111
struct reflog_walk_info *reflog_info;
112struct decoration children;
113};
114115
#define REV_TREE_SAME 0
116#define REV_TREE_NEW 1
117#define REV_TREE_DIFFERENT 2
118119
/* revision.c */
120void read_revisions_from_stdin(struct rev_info *revs);
121122
typedef void (*show_early_output_fn_t)(struct rev_info *, struct commit_list *);
123volatile show_early_output_fn_t show_early_output;
124125
extern void init_revisions(struct rev_info *revs, const char *prefix);
126extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
127extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
128const struct option *options,
129const char * const usagestr[]);
130extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,int cant_be_filename);
131132
extern int prepare_revision_walk(struct rev_info *revs);
133extern struct commit *get_revision(struct rev_info *revs);
134135
extern void mark_parents_uninteresting(struct commit *commit);
136extern void mark_tree_uninteresting(struct tree *tree);
137138
struct name_path {
139struct name_path *up;
140int elem_len;
141const char *elem;
142};
143144
extern void add_object(struct object *obj,
145struct object_array *p,
146struct name_path *path,
147const char *name);
148149
extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
150151
extern void add_head_to_pending(struct rev_info *);
152153
enum commit_action {
154commit_ignore,
155commit_show,
156commit_error
157};
158159
extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
160161
#endif