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Add "get_sha1()" helper function.

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This allows the programs to use various simplified versions of
the SHA1 names, eg just say "HEAD" for the SHA1 pointed to by
the .git/HEAD file etc.

For example, this commit has been done with

	git-commit-tree $(git-write-tree) -p HEAD

instead of the traditional "$(cat .git/HEAD)" syntax.
This commit is contained in:
Linus Torvalds
2005-05-01 16:36:56 -07:00
parent 68849b5442
commit 3c249c9506
16 changed files with 46 additions and 16 deletions
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1
cache.h
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@ -146,6 +146,7 @@ extern int write_sha1_from_fd(const unsigned char *sha1, int fd);
extern int has_sha1_file(const unsigned char *sha1);
/* Convert to/from hex/sha1 representation */
extern int get_sha1(const char *str, unsigned char *sha1);
extern int get_sha1_hex(const char *hex, unsigned char *sha1);
extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */