From: hjemli at gmail.com (Lars Hjemli)
Subject: [PATCH 1/5] guess default branch from HEAD
Date: Thu, 10 Mar 2011 18:22:59 +0100 [thread overview]
Message-ID: <AANLkTikfEQG2ibazmo_KxTzd2ZUUnGa0MXqFdJpnfE6W@mail.gmail.com> (raw)
In-Reply-To: <1299773004-27380-1-git-send-email-plenz@cis.fu-berlin.de>
On Thu, Mar 10, 2011 at 17:03, Julius Plenz <plenz at cis.fu-berlin.de> wrote:
> This is a saner alternative than hardcoding the default branch to be
> "master". The add_repo() function will now check for a symbolic ref in
> repo_path/HEAD. If there is a suitable one, overwrite repo->defbranch
> with it.
I agree with the motivation, but...
> --- a/scan-tree.c
> +++ b/scan-tree.c
> @@ -75,6 +75,8 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
> ? ? ? ?char *rel, *p, *slash;
> ? ? ? ?int n;
> ? ? ? ?size_t size;
> + ? ? ? char buffer[256];
> + ? ? ? int fd;
>
> ? ? ? ?if (stat(path, &st)) {
> ? ? ? ? ? ? ? ?fprintf(stderr, "Error accessing %s: %s (%d)\n",
> @@ -105,6 +107,17 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
> ? ? ? ? ? ? ? ? ? ? ? ?*p = '\0';
> ? ? ? ?repo->name = repo->url;
> ? ? ? ?repo->path = xstrdup(path);
> +
> + ? ? ? fd = open(fmt("%s/HEAD", repo->path), O_RDONLY);
> + ? ? ? if (fd != -1) {
> + ? ? ? ? ? ? ? int len;
> + ? ? ? ? ? ? ? memset(buffer, 0, sizeof(buffer)-1);
> + ? ? ? ? ? ? ? len = read_in_full(fd, buffer, sizeof(buffer)-1);
> + ? ? ? ? ? ? ? if(!memcmp(buffer, "ref: refs/heads/", 16))
> + ? ? ? ? ? ? ? ? ? ? ? repo->defbranch = xstrndup(buffer+16, len-17);
> + ? ? ? ? ? ? ? close(fd);
> + ? ? ? }
> +
...since git supports fs links, you'll need to lstat() and then either
readlink() or read_in_full(). And if you readlink(), you'll obviously
need to parse the result differently.
--
larsh
next prev parent reply other threads:[~2011-03-10 17:22 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-10 16:03 plenz
2011-03-10 16:03 ` [PATCH 2/5] get_commit_date() obtains newest commit date plenz
2011-03-10 16:03 ` [PATCH 3/5] make enable-log-linecount independent of -filecount plenz
2011-03-10 17:25 ` hjemli
2011-03-26 14:43 ` hjemli
2011-03-10 16:03 ` [PATCH 4/5] fix two encoding bugs plenz
2011-03-10 17:29 ` hjemli
2011-03-10 16:03 ` [PATCH 5/5] Add advice about scan-path in cgitrc.5.txt plenz
2011-03-10 17:33 ` hjemli
2011-03-10 17:22 ` hjemli [this message]
2011-03-16 10:53 ` [PATCH 1/5] guess default branch from HEAD plenz
2011-03-26 10:08 ` hjemli
2011-03-30 16:00 ` [PATCH v2] " plenz
2011-04-07 9:44 ` hjemli
2011-04-07 10:49 ` plenz
2011-04-07 10:59 ` [PATCH] " plenz
2011-06-10 6:42 ` jugg
2011-06-13 10:16 ` larsh
2011-06-13 10:16 ` hjemli
2011-06-16 14:59 ` plenz
2011-06-20 19:25 ` hjemli
2011-07-09 8:09 ` jugg
2011-07-13 15:10 ` plenz
2011-07-19 7:08 ` larsh
2011-07-19 9:40 ` jugg
2011-07-19 6:30 ` larsh
2011-07-19 9:35 ` jugg
2011-07-19 9:56 ` larsh
2011-07-19 10:13 ` jugg
2011-07-21 10:34 ` larsh
2011-04-07 11:05 ` [PATCH v2] " hjemli
2011-06-09 4:40 ` jugg
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