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Make "parse_commit" return the "struct revision" for the commit.

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Also, make it a fatal error to pass in a non-commit object. The callers
never checked, so better check here.

This simplifies merge-base further. It's now so trivial that it's almost
ridiculous.
This commit is contained in:
Linus Torvalds 2005-04-17 12:40:18 -07:00
parent 6683463ed6
commit 7d60ad7cc9
2 changed files with 4 additions and 7 deletions
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5
merge-base.c
View file

@ -46,10 +46,7 @@ int main(int argc, char **argv)
* That's some time off, though, and in the meantime we know
* that we have a solution to the eventual expense.
*/
parse_commit(rev1);
parse_commit(rev2);
common = common_parent(lookup_rev(rev1), lookup_rev(rev2));
common = common_parent(parse_commit(rev1), parse_commit(rev2));
if (!common)
die("no common parent found");
printf("%s\n", sha1_to_hex(common->sha1));

6
revision.h
View file

@ -129,7 +129,7 @@ static unsigned long parse_commit_date(const char *buf)
return date;
}
static int parse_commit(unsigned char *sha1)
static struct revision * parse_commit(unsigned char *sha1)
{
struct revision *rev = lookup_rev(sha1);
@ -142,7 +142,7 @@ static int parse_commit(unsigned char *sha1)
rev->flags |= SEEN;
buffer = bufptr = read_sha1_file(sha1, type, &size);
if (!buffer || strcmp(type, "commit"))
return -1;
die("%s is not a commit object", sha1_to_hex(sha1));
bufptr += 46; /* "tree " + "hex sha1" + "\n" */
while (!memcmp(bufptr, "parent ", 7) && !get_sha1_hex(bufptr+7, parent)) {
add_relationship(rev, parent);
@ -152,7 +152,7 @@ static int parse_commit(unsigned char *sha1)
rev->date = parse_commit_date(bufptr);
free(buffer);
}
return 0;
return rev;
}
#endif /* REVISION_H */