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93 lines
2.7 KiB
93 lines
2.7 KiB
#ifndef COMMIT_H |
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#define COMMIT_H |
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#include "object.h" |
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#include "tree.h" |
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struct commit_list { |
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struct commit *item; |
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struct commit_list *next; |
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}; |
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struct commit { |
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struct object object; |
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unsigned long date; |
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struct commit_list *parents; |
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struct tree *tree; |
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char *buffer; |
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}; |
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extern int save_commit_buffer; |
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extern const char *commit_type; |
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struct commit *lookup_commit(const unsigned char *sha1); |
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struct commit *lookup_commit_reference(const unsigned char *sha1); |
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struct commit *lookup_commit_reference_gently(const unsigned char *sha1, |
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int quiet); |
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int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size); |
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int parse_commit(struct commit *item); |
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struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p); |
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struct commit_list * insert_by_date(struct commit *item, struct commit_list **list); |
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void free_commit_list(struct commit_list *list); |
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void sort_by_date(struct commit_list **list); |
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/* Commit formats */ |
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enum cmit_fmt { |
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CMIT_FMT_RAW, |
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CMIT_FMT_MEDIUM, |
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CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM, |
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CMIT_FMT_SHORT, |
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CMIT_FMT_FULL, |
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CMIT_FMT_FULLER, |
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CMIT_FMT_ONELINE, |
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}; |
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extern enum cmit_fmt get_commit_format(const char *arg); |
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extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev); |
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/** Removes the first commit from a list sorted by date, and adds all |
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* of its parents. |
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**/ |
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struct commit *pop_most_recent_commit(struct commit_list **list, |
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unsigned int mark); |
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struct commit *pop_commit(struct commit_list **stack); |
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void clear_commit_marks(struct commit *commit, unsigned int mark); |
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int count_parents(struct commit * commit); |
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/* |
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* Performs an in-place topological sort of list supplied. |
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* |
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* Pre-conditions for sort_in_topological_order: |
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* all commits in input list and all parents of those |
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* commits must have object.util == NULL |
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* |
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* Pre-conditions for sort_in_topological_order_fn: |
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* all commits in input list and all parents of those |
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* commits must have getter(commit) == NULL |
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* |
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* Post-conditions: |
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* invariant of resulting list is: |
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* a reachable from b => ord(b) < ord(a) |
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* in addition, when lifo == 0, commits on parallel tracks are |
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* sorted in the dates order. |
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*/ |
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typedef void (*topo_sort_set_fn_t)(struct commit*, void *data); |
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typedef void* (*topo_sort_get_fn_t)(struct commit*); |
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void topo_sort_default_setter(struct commit *c, void *data); |
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void *topo_sort_default_getter(struct commit *c); |
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void sort_in_topological_order(struct commit_list ** list, int lifo); |
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void sort_in_topological_order_fn(struct commit_list ** list, int lifo, |
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topo_sort_set_fn_t setter, |
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topo_sort_get_fn_t getter); |
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#endif /* COMMIT_H */
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