log_tree_diff: die when we fail to parse a commit

diff --git a/revision.h b/revision.h
index 878a5556fd5e1c82f0fc35e1669e33623397ceeb..95859ba119033ba17346c701493df1474eec5df2 100644 (file)
--- a/revision.h
+++ b/revision.h
@@ -4,6 +4,7 @@
 #include "parse-options.h"
 #include "grep.h"
 #include "notes.h"
+#include "commit.h"
 
 #define SEEN           (1u<<0)
 #define UNINTERESTING   (1u<<1)
@@ -15,7 +16,8 @@
 #define ADDED          (1u<<7) /* Parents already parsed and added? */
 #define SYMMETRIC_LEFT (1u<<8)
 #define PATCHSAME      (1u<<9)
-#define ALL_REV_FLAGS  ((1u<<10)-1)
+#define BOTTOM         (1u<<10)
+#define ALL_REV_FLAGS  ((1u<<11)-1)
 
 #define DECORATE_SHORT_REFS    1
 #define DECORATE_FULL_REFS     2
@@ -61,6 +63,10 @@ struct rev_info {
        const char *prefix;
        const char *def;
        struct pathspec prune_data;
+
+       /* topo-sort */
+       enum rev_sort_order sort_order;
+
        unsigned int    early_output:1,
                        ignore_missing:1;
 
@@ -71,7 +77,6 @@ struct rev_info {
                        show_all:1,
                        remove_empty_trees:1,
                        simplify_history:1,
-                       lifo:1,
                        topo_order:1,
                        simplify_merges:1,
                        simplify_by_decoration:1,
@@ -97,7 +102,8 @@ struct rev_info {
                        cherry_mark:1,
                        bisect:1,
                        ancestry_path:1,
-                       first_parent_only:1;
+                       first_parent_only:1,
+                       line_level_traverse:1;
 
        /* Diff flags */
        unsigned int    diff:1,
@@ -138,6 +144,7 @@ struct rev_info {
        int             numbered_files;
        int             reroll_count;
        char            *message_id;
+       struct ident_split from_ident;
        struct string_list *ref_message_ids;
        int             add_signoff;
        const char      *extra_headers;
@@ -168,6 +175,7 @@ struct rev_info {
        struct reflog_walk_info *reflog_info;
        struct decoration children;
        struct decoration merge_simplification;
+       struct decoration treesame;
 
        /* notes-specific options: which refs to show */
        struct display_notes_opt notes_opt;
@@ -176,6 +184,9 @@ struct rev_info {
        int count_left;
        int count_right;
        int count_same;
+
+       /* line level range that we are chasing */
+       struct decoration line_log_data;
 };
 
 #define REV_TREE_SAME          0
@@ -196,19 +207,23 @@ struct setup_revision_opt {
 };
 
 extern void init_revisions(struct rev_info *revs, const char *prefix);
-extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *);
+extern int setup_revisions(int argc, const char **argv, struct rev_info *revs,
+                          struct setup_revision_opt *);
 extern void parse_revision_opt(struct rev_info *revs, struct parse_opt_ctx_t *ctx,
-                                const struct option *options,
-                                const char * const usagestr[]);
+                              const struct option *options,
+                              const char * const usagestr[]);
 #define REVARG_CANNOT_BE_FILENAME 01
 #define REVARG_COMMITTISH 02
-extern int handle_revision_arg(const char *arg, struct rev_info *revs, int flags, unsigned revarg_opt);
+extern int handle_revision_arg(const char *arg, struct rev_info *revs,
+                              int flags, unsigned revarg_opt);
 
 extern void reset_revision_walk(void);
 extern int prepare_revision_walk(struct rev_info *revs);
 extern struct commit *get_revision(struct rev_info *revs);
-extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
-extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
+extern char *get_revision_mark(const struct rev_info *revs,
+                              const struct commit *commit);
+extern void put_revision_mark(const struct rev_info *revs,
+                             const struct commit *commit);
 
 extern void mark_parents_uninteresting(struct commit *commit);
 extern void mark_tree_uninteresting(struct tree *tree);
@@ -221,15 +236,19 @@ struct name_path {
 
 char *path_name(const struct name_path *path, const char *name);
 
-extern void show_object_with_name(FILE *, struct object *, const struct name_path *, const char *);
+extern void show_object_with_name(FILE *, struct object *,
+                                 const struct name_path *, const char *);
 
 extern void add_object(struct object *obj,
                       struct object_array *p,
                       struct name_path *path,
                       const char *name);
 
-extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
-extern void add_pending_sha1(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags);
+extern void add_pending_object(struct rev_info *revs,
+                              struct object *obj, const char *name);
+extern void add_pending_sha1(struct rev_info *revs,
+                            const char *name, const unsigned char *sha1,
+                            unsigned int flags);
 
 extern void add_head_to_pending(struct rev_info *);
 
@@ -239,7 +258,19 @@ enum commit_action {
        commit_error
 };
 
-extern enum commit_action get_commit_action(struct rev_info *revs, struct commit *commit);
-extern enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit);
+extern enum commit_action get_commit_action(struct rev_info *revs,
+                                           struct commit *commit);
+extern enum commit_action simplify_commit(struct rev_info *revs,
+                                         struct commit *commit);
+
+enum rewrite_result {
+       rewrite_one_ok,
+       rewrite_one_noparents,
+       rewrite_one_error
+};
+
+typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct commit **pp);
 
+extern int rewrite_parents(struct rev_info *revs, struct commit *commit,
+       rewrite_parent_fn_t rewrite_parent);
 #endif