diff mbox series

[GSoC,v2,1/9] submodule--helper: add options for compute_submodule_clone_url()

Message ID 20210805074054.29916-2-raykar.ath@gmail.com (mailing list archive)
State Superseded
Headers show
Series submodule: convert the rest of 'add' to C | expand

Commit Message

Atharva Raykar Aug. 5, 2021, 7:40 a.m. UTC
Let's modify the interface to `compute_submodule_clone_url()` function
by adding two more arguments, so that we can reuse this in various parts
of `submodule--helper.c` that follow a common pattern, which is--read
the remote url configuration of the superproject and then call
`relative_url()`.

This function is nearly identical to `resolve_relative_url()`, the only
difference being the extra warning message. We can add a quiet flag to
it, to suppress that warning when not needed, and then refactor
`resolve_relative_url()` by using this function, something we will do in
the next patch.

Having this functionality factored out will be useful for converting the
rest of `submodule add` in subsequent patches.

Signed-off-by: Atharva Raykar <raykar.ath@gmail.com>
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Shourya Shukla <periperidip@gmail.com>
---
 builtin/submodule--helper.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

Comments

Junio C Hamano Aug. 5, 2021, 8:05 p.m. UTC | #1
Atharva Raykar <raykar.ath@gmail.com> writes:

> -static char *compute_submodule_clone_url(const char *rel_url)
> +static char *compute_submodule_clone_url(const char *rel_url, const char *up_path, int quiet)
>  {
>  	char *remoteurl, *relurl;
>  	char *remote = get_default_remote();
> @@ -598,10 +598,14 @@ static char *compute_submodule_clone_url(const char *rel_url)
>  
>  	strbuf_addf(&remotesb, "remote.%s.url", remote);
>  	if (git_config_get_string(remotesb.buf, &remoteurl)) {
> -		warning(_("could not look up configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf);
> +		if (!quiet)
> +			warning(_("could not look up configuration '%s'. "
> +				  "Assuming this repository is its own "
> +				  "authoritative upstream."),
> +				remotesb.buf);
>  		remoteurl = xgetcwd();
>  	}
> -	relurl = relative_url(remoteurl, rel_url, NULL);
> +	relurl = relative_url(remoteurl, rel_url, up_path);

OK, so we can optionally operate silently, and also tell
relative_url the path the URL should be made relative to.

Existing callers, of course, should pass NULL and 0 as these
optional features are new, as we can see below.

>  	free(remote);
>  	free(remoteurl);
> @@ -660,7 +664,7 @@ static void init_submodule(const char *path, const char *prefix,
>  		if (starts_with_dot_dot_slash(url) ||
>  		    starts_with_dot_slash(url)) {
>  			char *oldurl = url;
> -			url = compute_submodule_clone_url(oldurl);
> +			url = compute_submodule_clone_url(oldurl, NULL, 0);
>  			free(oldurl);
>  		}
>  
> @@ -2134,7 +2138,7 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
>  	if (repo_config_get_string_tmp(the_repository, sb.buf, &url)) {
>  		if (starts_with_dot_slash(sub->url) ||
>  		    starts_with_dot_dot_slash(sub->url)) {
> -			url = compute_submodule_clone_url(sub->url);
> +			url = compute_submodule_clone_url(sub->url, NULL, 0);
>  			need_free_url = 1;
>  		} else
>  			url = sub->url;

All makes sense.
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Patch

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 6891480013..2d2d8ac637 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -590,7 +590,7 @@  static int module_foreach(int argc, const char **argv, const char *prefix)
 	return 0;
 }
 
-static char *compute_submodule_clone_url(const char *rel_url)
+static char *compute_submodule_clone_url(const char *rel_url, const char *up_path, int quiet)
 {
 	char *remoteurl, *relurl;
 	char *remote = get_default_remote();
@@ -598,10 +598,14 @@  static char *compute_submodule_clone_url(const char *rel_url)
 
 	strbuf_addf(&remotesb, "remote.%s.url", remote);
 	if (git_config_get_string(remotesb.buf, &remoteurl)) {
-		warning(_("could not look up configuration '%s'. Assuming this repository is its own authoritative upstream."), remotesb.buf);
+		if (!quiet)
+			warning(_("could not look up configuration '%s'. "
+				  "Assuming this repository is its own "
+				  "authoritative upstream."),
+				remotesb.buf);
 		remoteurl = xgetcwd();
 	}
-	relurl = relative_url(remoteurl, rel_url, NULL);
+	relurl = relative_url(remoteurl, rel_url, up_path);
 
 	free(remote);
 	free(remoteurl);
@@ -660,7 +664,7 @@  static void init_submodule(const char *path, const char *prefix,
 		if (starts_with_dot_dot_slash(url) ||
 		    starts_with_dot_slash(url)) {
 			char *oldurl = url;
-			url = compute_submodule_clone_url(oldurl);
+			url = compute_submodule_clone_url(oldurl, NULL, 0);
 			free(oldurl);
 		}
 
@@ -2134,7 +2138,7 @@  static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
 	if (repo_config_get_string_tmp(the_repository, sb.buf, &url)) {
 		if (starts_with_dot_slash(sub->url) ||
 		    starts_with_dot_dot_slash(sub->url)) {
-			url = compute_submodule_clone_url(sub->url);
+			url = compute_submodule_clone_url(sub->url, NULL, 0);
 			need_free_url = 1;
 		} else
 			url = sub->url;