prio-queue: factor out compare and swap operations

diff --git a/revision.h b/revision.h
index 95859ba119033ba17346c701493df1474eec5df2..a6205307cf3bb2364b8642b0a4857c5b0ae9b5a9 100644 (file)
--- a/revision.h
+++ b/revision.h
@@ -5,7 +5,9 @@
 #include "grep.h"
 #include "notes.h"
 #include "commit.h"
+#include "diff.h"
 
+/* Remember to update object flag allocation in object.h */
 #define SEEN           (1u<<0)
 #define UNINTERESTING   (1u<<1)
 #define TREESAME       (1u<<2)
@@ -17,7 +19,8 @@
 #define SYMMETRIC_LEFT (1u<<8)
 #define PATCHSAME      (1u<<9)
 #define BOTTOM         (1u<<10)
-#define ALL_REV_FLAGS  ((1u<<11)-1)
+#define TRACK_LINEAR   (1u<<26)
+#define ALL_REV_FLAGS  (((1u<<11)-1) | TRACK_LINEAR)
 
 #define DECORATE_SHORT_REFS    1
 #define DECORATE_FULL_REFS     2
@@ -25,6 +28,7 @@
 struct rev_info;
 struct log_info;
 struct string_list;
+struct saved_parents;
 
 struct rev_cmdline_info {
        unsigned int nr;
@@ -59,6 +63,9 @@ struct rev_info {
        /* The end-points specified by the end user */
        struct rev_cmdline_info cmdline;
 
+       /* excluding from --branches, --refs, etc. expansion */
+       struct string_list *ref_excludes;
+
        /* Basic information */
        const char *prefix;
        const char *def;
@@ -68,7 +75,8 @@ struct rev_info {
        enum rev_sort_order sort_order;
 
        unsigned int    early_output:1,
-                       ignore_missing:1;
+                       ignore_missing:1,
+                       ignore_missing_links:1;
 
        /* Traversal flags */
        unsigned int    dense:1,
@@ -132,6 +140,10 @@ struct rev_info {
                        preserve_subject:1;
        unsigned int    disable_stdin:1;
        unsigned int    leak_pending:1;
+       /* --show-linear-break */
+       unsigned int    track_linear:1,
+                       track_first_time:1,
+                       linear:1;
 
        enum date_mode date_mode;
 
@@ -167,6 +179,8 @@ struct rev_info {
        unsigned long min_age;
        int min_parents;
        int max_parents;
+       int (*include_check)(struct commit *, void *);
+       void *include_check_data;
 
        /* diff info for patches and for paths limiting */
        struct diff_options diffopt;
@@ -187,8 +201,19 @@ struct rev_info {
 
        /* line level range that we are chasing */
        struct decoration line_log_data;
+
+       /* copies of the parent lists, for --full-diff display */
+       struct saved_parents *saved_parents_slab;
+
+       struct commit_list *previous_parents;
+       const char *break_bar;
 };
 
+extern int ref_excluded(struct string_list *, const char *path);
+void clear_ref_exclusion(struct string_list **);
+void add_ref_exclusion(struct string_list **, const char *exclude);
+
+
 #define REV_TREE_SAME          0
 #define REV_TREE_NEW           1       /* Only new files */
 #define REV_TREE_OLD           2       /* Only files removed */
@@ -273,4 +298,20 @@ typedef enum rewrite_result (*rewrite_parent_fn_t)(struct rev_info *revs, struct
 
 extern int rewrite_parents(struct rev_info *revs, struct commit *commit,
        rewrite_parent_fn_t rewrite_parent);
+
+/*
+ * Save a copy of the parent list, and return the saved copy.  This is
+ * used by the log machinery to retrieve the original parents when
+ * commit->parents has been modified by history simpification.
+ *
+ * You may only call save_parents() once per commit (this is checked
+ * for non-root commits).
+ *
+ * get_saved_parents() will transparently return commit->parents if
+ * history simplification is off.
+ */
+extern void save_parents(struct rev_info *revs, struct commit *commit);
+extern struct commit_list *get_saved_parents(struct rev_info *revs, const struct commit *commit);
+extern void free_saved_parents(struct rev_info *revs);
+
 #endif