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restore legacy behavior for read_sha1_file()

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Since commit 8eca0b47ff, it is possible
for read_sha1_file() to return NULL even with existing objects when they
are corrupted.  Previously a corrupted object would have terminated the
program immediately, effectively making read_sha1_file() return NULL
only when specified object is not found.

Let's restore this behavior for all users of read_sha1_file() and
provide a separate function with the ability to not terminate when
bad objects are encountered.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nicolas Pitre
2008-07-14 21:46:48 -04:00
committed by Junio C Hamano
parent 25a1f374f0
commit ac9391093f
3 changed files with 89 additions and 4 deletions
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3
cache.h
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@ -538,6 +538,9 @@ extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsig
extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
extern int force_object_loose(const unsigned char *sha1, time_t mtime);
/* just like read_sha1_file(), but non fatal in presence of bad objects */
extern void *read_object(const unsigned char *sha1, enum object_type *type, unsigned long *size);
extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);
extern int move_temp_to_file(const char *tmpfile, const char *filename);