X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=diff.h;h=a268d16ff712e29fbccab779824551757f99837d;hb=be7db6e574b95c70ac544c78d74fdeea0fb4058d;hp=9f0852d321bbed548fa57b5afdc3aad25c1dd943;hpb=5569bf9bbedd63a00780fc5c110e0cfab3aa97b9;p=git.git diff --git a/diff.h b/diff.h index 9f0852d3..a268d16f 100644 --- a/diff.h +++ b/diff.h @@ -4,31 +4,88 @@ #ifndef DIFF_H #define DIFF_H -#define DIFF_FILE_CANON_MODE(mode) \ - (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \ - S_ISLNK(mode) ? S_IFLNK : S_IFDIR) - -extern void diff_addremove(int addremove, +#include "tree-walk.h" + +struct diff_options; + +typedef void (*change_fn_t)(struct diff_options *options, + unsigned old_mode, unsigned new_mode, + const unsigned char *old_sha1, + const unsigned char *new_sha1, + const char *base, const char *path); + +typedef void (*add_remove_fn_t)(struct diff_options *options, + int addremove, unsigned mode, + const unsigned char *sha1, + const char *base, const char *path); + +struct diff_options { + const char **paths; + const char *filter; + const char *orderfile; + const char *pickaxe; + unsigned recursive:1, + tree_in_recursive:1, + full_index:1; + int break_opt; + int detect_rename; + int find_copies_harder; + int line_termination; + int output_format; + int pickaxe_opts; + int rename_score; + int reverse_diff; + int rename_limit; + int setup; + int abbrev; + + change_fn_t change; + add_remove_fn_t add_remove; +}; + +extern void diff_tree_setup_paths(const char **paths); +extern int diff_tree(struct tree_desc *t1, struct tree_desc *t2, + const char *base, struct diff_options *opt); +extern int diff_tree_sha1(const unsigned char *old, const unsigned char *new, + const char *base, struct diff_options *opt); + +struct combine_diff_path { + struct combine_diff_path *next; + int len; + char *path; + unsigned int mode; + unsigned char sha1[20]; + struct combine_diff_parent { + char status; + unsigned int mode; + unsigned char sha1[20]; + } parent[FLEX_ARRAY]; +}; +#define combine_diff_path_size(n, l) \ + (sizeof(struct combine_diff_path) + \ + sizeof(struct combine_diff_parent) * (n) + (l) + 1) + +extern int show_combined_diff(struct combine_diff_path *elem, int num_parent, + int dense, const char *header, + struct diff_options *); + +extern const char *diff_tree_combined_merge(const unsigned char *sha1, const char *, int, struct diff_options *opt); + +extern void diff_addremove(struct diff_options *, + int addremove, unsigned mode, const unsigned char *sha1, const char *base, const char *path); -extern void diff_change(unsigned mode1, unsigned mode2, - const unsigned char *sha1, - const unsigned char *sha2, - const char *base, const char *path); - -extern void diff_helper_input(unsigned mode1, - unsigned mode2, - const unsigned char *sha1, - const unsigned char *sha2, - const char *path1, - int status, - int score, - const char *path2); +extern void diff_change(struct diff_options *, + unsigned mode1, unsigned mode2, + const unsigned char *sha1, + const unsigned char *sha2, + const char *base, const char *path); -extern void diff_unmerge(const char *path); +extern void diff_unmerge(struct diff_options *, + const char *path); extern int diff_scoreopt_parse(const char *opt); @@ -36,30 +93,67 @@ extern int diff_scoreopt_parse(const char *opt); #define DIFF_SETUP_USE_CACHE 2 #define DIFF_SETUP_USE_SIZE_CACHE 4 -extern void diff_setup(int flags); +extern int git_diff_config(const char *var, const char *value); +extern void diff_setup(struct diff_options *); +extern int diff_opt_parse(struct diff_options *, const char **, int); +extern int diff_setup_done(struct diff_options *); #define DIFF_DETECT_RENAME 1 #define DIFF_DETECT_COPY 2 #define DIFF_PICKAXE_ALL 1 -extern void diffcore_std(const char **paths, - int detect_rename, int rename_score, - const char *pickaxe, int pickaxe_opts, - int break_opt, - const char *orderfile, const char *filter); - -extern void diffcore_std_no_resolve(const char **paths, - const char *pickaxe, int pickaxe_opts, - const char *orderfile, const char *filter); +extern void diffcore_std(struct diff_options *); + +extern void diffcore_std_no_resolve(struct diff_options *); + +#define COMMON_DIFF_OPTIONS_HELP \ +"\ncommon diff options:\n" \ +" -z output diff-raw with lines terminated with NUL.\n" \ +" -p output patch format.\n" \ +" -u synonym for -p.\n" \ +" --name-only show only names of changed files.\n" \ +" --name-status show names and status of changed files.\n" \ +" --full-index show full object name on index lines.\n" \ +" --abbrev= abbreviate object names in diff-tree header and diff-raw.\n" \ +" -R swap input file pairs.\n" \ +" -B detect complete rewrites.\n" \ +" -M detect renames.\n" \ +" -C detect copies.\n" \ +" --find-copies-harder\n" \ +" try unchanged files as candidate for copy detection.\n" \ +" -l limit rename attempts up to paths.\n" \ +" -O reorder diffs according to the .\n" \ +" -S find filepair whose only one side contains the string.\n" \ +" --pickaxe-all\n" \ +" show all files diff when -S is used and hit is found.\n" extern int diff_queue_is_empty(void); -#define DIFF_FORMAT_HUMAN 0 -#define DIFF_FORMAT_MACHINE 1 +#define DIFF_FORMAT_RAW 1 #define DIFF_FORMAT_PATCH 2 #define DIFF_FORMAT_NO_OUTPUT 3 +#define DIFF_FORMAT_NAME 4 +#define DIFF_FORMAT_NAME_STATUS 5 + +extern void diff_flush(struct diff_options*); + +/* diff-raw status letters */ +#define DIFF_STATUS_ADDED 'A' +#define DIFF_STATUS_COPIED 'C' +#define DIFF_STATUS_DELETED 'D' +#define DIFF_STATUS_MODIFIED 'M' +#define DIFF_STATUS_RENAMED 'R' +#define DIFF_STATUS_TYPE_CHANGED 'T' +#define DIFF_STATUS_UNKNOWN 'X' +#define DIFF_STATUS_UNMERGED 'U' + +/* these are not diff-raw status letters proper, but used by + * diffcore-filter insn to specify additional restrictions. + */ +#define DIFF_STATUS_FILTER_AON '*' +#define DIFF_STATUS_FILTER_BROKEN 'B' -extern void diff_flush(int output_style); +extern const char *diff_unique_abbrev(const unsigned char *, int); #endif /* DIFF_H */