On Mon, Aug 12, 2013 at 09:52:45PM +1000, Andrew Ardill wrote:
> On 11 August 2013 02:58, Junio C Hamano <[email protected]> wrote:
> > Perhaps we need a lighter-weight mechanism
> >
> > git init --profile=open
> > git clone --profile=open git://git.kernel.org/git.git
>
> This is something I would definitely use.
>
> All of my work git directories are in a separate folder to my other
> git directories, and as such it would be extremely convenient if every
> repository under that folder defaulted to the same profile. That may
> be asking for too much though!
We could do something like the patch below, which allows:
$ git config --global include./magic/.path .gitconfig-magic
to read ~/.gitconfig-magic only when we are in a repository with a
directory component "/magic/".
I can see how such a thing might be useful, even though I do not have a
use for that much flexibility myself. I find myself doing this trick for
things like editor settings, but not for git config. So do not count
this necessarily as a vote for doing this; it was a fun exercise for me
that others might find useful.
Comparing this against a "profile" type of solution:
1. This handles only config, not full templates (so no custom hooks;
however, we could provide a level of indirection for hooks inside
the config).
2. Unlike a profile that is used during repository init, this is
resolved at runtime, so it keeps up to date as you change
~/.gitconfig-magic.
---
diff --git a/config.c b/config.c
index e13a7b6..a31dc85 100644
--- a/config.c
+++ b/config.c
@@ -119,10 +119,45 @@ int git_config_include(const char *var, const char
*value, void *data)
return ret;
}
+static NORETURN void die_bad_regex(int err, regex_t *re)
+{
+ char errbuf[1024];
+ regerror(err, re, errbuf, sizeof(errbuf));
+ if (cf && cf->name)
+ die("bad regex (at %s:%d): %s", cf->name, cf->linenr, errbuf);
+ else
+ die("bad regex: %s", errbuf);
+}
+
+static int match_repo_path(const char *re_str)
+{
+ regex_t re;
+ int ret;
+ const char *repo_path;
+
+ ret = regcomp(&re, re_str, REG_EXTENDED);
+ if (ret)
+ die_bad_regex(ret, &re);
+
+ repo_path = absolute_path(get_git_dir());
+ ret = regexec(&re, repo_path, 0, NULL, 0);
+ regfree(&re);
+ return !ret;
+}
+
+static int match_repo_path_mem(const char *re_buf, int len)
+{
+ char *re_str = xmemdupz(re_buf, len);
+ int ret = match_repo_path(re_str);
+ free(re_str);
+ return ret;
+}
+
int git_config_include(const char *var, const char *value, void *data)
{
struct config_include_data *inc = data;
- const char *type;
+ const char *match, *type;
+ int match_len;
int ret;
/*
@@ -133,8 +168,9 @@ int git_config_include(const char *var, const char *value,
void *data)
if (ret < 0)
return ret;
- type = skip_prefix(var, "include.");
- if (!type)
+ if (parse_config_key(var, "include", &match, &match_len, &type))
+ return ret;
+ if (match && !match_repo_path_mem(match, match_len))
return ret;
if (!strcmp(type, "path"))
--
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