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   1#ifndef ARCHIVE_H
   2#define ARCHIVE_H
   3
   4#define MAX_EXTRA_ARGS  32
   5#define MAX_ARGS        (MAX_EXTRA_ARGS + 32)
   6
   7struct archiver_args {
   8        const char *base;
   9        size_t baselen;
  10        struct tree *tree;
  11        const unsigned char *commit_sha1;
  12        const struct commit *commit;
  13        time_t time;
  14        const char **pathspec;
  15        unsigned int verbose : 1;
  16        int compression_level;
  17};
  18
  19typedef int (*write_archive_fn_t)(struct archiver_args *);
  20
  21typedef int (*write_archive_entry_fn_t)(struct archiver_args *args, const unsigned char *sha1, const char *path, size_t pathlen, unsigned int mode, void *buffer, unsigned long size);
  22
  23struct archiver {
  24        const char *name;
  25        write_archive_fn_t write_archive;
  26        unsigned int flags;
  27};
  28
  29extern int parse_archive_args(int argc, const char **argv, const struct archiver **ar, struct archiver_args *args);
  30
  31extern void parse_treeish_arg(const char **treeish,
  32                              struct archiver_args *ar_args,
  33                              const char *prefix);
  34
  35extern void parse_pathspec_arg(const char **pathspec,
  36                               struct archiver_args *args);
  37/*
  38 * Archive-format specific backends.
  39 */
  40extern int write_tar_archive(struct archiver_args *);
  41extern int write_zip_archive(struct archiver_args *);
  42
  43extern int write_archive_entries(struct archiver_args *args, write_archive_entry_fn_t write_entry);
  44
  45#endif  /* ARCHIVE_H */