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4d7c989863
The current archivers are very static; when you are in the write_tar_archive function, you know you are writing a tar. However, to facilitate runtime-configurable archivers that will share a common write function we need to tell the function which archiver was used. As a convenience, we also provide an opaque data pointer in the archiver struct so that individual archivers can put something useful there when they register themselves. Technically they could just use the "name" field to look in an internal map of names to data, but this is much simpler. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
#ifndef ARCHIVE_H
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#define ARCHIVE_H
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struct archiver_args {
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const char *base;
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size_t baselen;
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struct tree *tree;
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const unsigned char *commit_sha1;
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const struct commit *commit;
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time_t time;
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const char **pathspec;
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unsigned int verbose : 1;
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unsigned int worktree_attributes : 1;
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int compression_level;
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};
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#define ARCHIVER_WANT_COMPRESSION_LEVELS 1
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struct archiver {
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const char *name;
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int (*write_archive)(const struct archiver *, struct archiver_args *);
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unsigned flags;
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void *data;
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};
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extern void register_archiver(struct archiver *);
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extern void init_tar_archiver(void);
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extern void init_zip_archiver(void);
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typedef 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);
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extern int write_archive_entries(struct archiver_args *args, write_archive_entry_fn_t write_entry);
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extern int write_archive(int argc, const char **argv, const char *prefix, int setup_prefix);
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#endif /* ARCHIVE_H */
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