cgit.c: use resolve_ref() to guess_defbranch()
The resolve_ref() function handles reading of git- and filesystem symbolic links (including proper whitespace trimming) and packed refs. There's no point in reimplementing this function in cgit. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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bovenliggende
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32
cgit.c
32
cgit.c
@ -418,33 +418,13 @@ char *find_default_branch(struct cgit_repo *repo)
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static char *guess_defbranch(const char *repo_path)
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{
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int fd, len;
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char buffer[256];
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char *ref_start;
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char *head;
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const char *ref;
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unsigned char sha1[20];
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head = fmt("%s/HEAD", repo_path);
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fd = open(head, O_RDONLY);
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if (fd == -1)
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return xstrdup("master");
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memset(buffer, 0, sizeof(buffer));
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len = read_in_full(fd, buffer, sizeof(buffer) - 1);
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close(fd);
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if(!memcmp(buffer, "ref: refs/heads/", 16))
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return xstrndup(buffer + 16, len - 17);
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if(strlen(buffer) == 41) {
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/* probably contains a SHA1 sum */
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memset(buffer, 0, sizeof(buffer));
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if(readlink(head, buffer, sizeof(buffer)-1)) {
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ref_start = memmem(buffer, sizeof(buffer)-1, "refs/heads/", 11);
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if(ref_start)
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return xstrdup(ref_start+11);
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}
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}
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return xstrdup("master");
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ref = resolve_ref("HEAD", sha1, 0, NULL);
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if (!ref || prefixcmp(ref, "refs/heads/"))
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return "master";
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return xstrdup(ref + 11);
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}
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static int prepare_repo_cmd(struct cgit_context *ctx)
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