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archive: centralize archive entry writing

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Add the exported function write_archive_entries() to archive.c, which uses
the new ability of read_tree_recursive() to pass a context pointer to its
callback in order to centralize previously duplicated code.

The new callback function write_archive_entry() does the work that every
archiver backend needs to do: loading file contents, entering subdirectories,
handling file attributes, constructing the full path of the entry.  All that
done, it calls the backend specific write_archive_entry_fn_t function.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2008-07-14 21:22:24 +02:00
committed by Junio C Hamano
parent d53fe8187c
commit 562e25abea
4 changed files with 132 additions and 153 deletions
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4
archive.h
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@@ -20,6 +20,8 @@ typedef int (*write_archive_fn_t)(struct archiver_args *);
typedef void *(*parse_extra_args_fn_t)(int argc, const char **argv);
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);
struct archiver {
const char *name;
write_archive_fn_t write_archive;
@@ -44,4 +46,6 @@ extern void *parse_extra_zip_args(int argc, const char **argv);
extern void *sha1_file_to_archive(const char *path, const unsigned char *sha1, unsigned int mode, enum object_type *type, unsigned long *size, const struct commit *commit);
extern int is_archive_path_ignored(const char *path);
extern int write_archive_entries(struct archiver_args *args, write_archive_entry_fn_t write_entry);
#endif /* ARCHIVE_H */