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From: Prathamesh Chavan <pc44800@gmail.com>
To: git@vger.kernel.org
Cc: sbeller@google.com, christian.couder@gmail.com, gitster@pobox.com, Prathamesh Chavan <pc44800@gmail.com>
Subject: [GSoC][PATCH 1/8] submodule--helper: introduce get_submodule_displaypath()
Date: Tue, 11 Jul 2017 04:24:00 +0530
Message-ID: <20170710225407.29344-1-pc44800@gmail.com> (raw)
In-Reply-To: <CAME+mvU_8-S4AhTtMYm1L6PK81v23wu4EuB+EnOgkDhi=jo9Rg@mail.gmail.com>

Introduce function get_submodule_displaypath() to replace the code
occurring in submodule_init() for generating displaypath of the
submodule with a call to it.

This new function will also be used in other parts of the system
in later patches.

Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Prathamesh Chavan <pc44800@gmail.com>
---
 builtin/submodule--helper.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 6abdad329..7af4de09b 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -220,6 +220,27 @@ static int resolve_relative_url_test(int argc, const char **argv, const char *pr
 	return 0;
 }
 
+static char *get_submodule_displaypath(const char *path, const char *prefix)
+{
+	const char *super_prefix = get_super_prefix();
+
+	if (prefix && super_prefix) {
+		BUG("cannot have prefix '%s' and superprefix '%s'",
+		    prefix, super_prefix);
+	} else if (prefix) {
+		struct strbuf sb = STRBUF_INIT;
+		char *displaypath = xstrdup(relative_path(path, prefix, &sb));
+		strbuf_release(&sb);
+		return displaypath;
+	} else if (super_prefix) {
+		int len = strlen(super_prefix);
+		const char *format = is_dir_sep(super_prefix[len - 1]) ? "%s%s" : "%s/%s";
+		return xstrfmt(format, super_prefix, path);
+	} else {
+		return xstrdup(path);
+	}
+}
+
 struct module_list {
 	const struct cache_entry **entries;
 	int alloc, nr;
@@ -339,16 +360,7 @@ static void init_submodule(const char *path, const char *prefix, int quiet)
 
 	/* Only loads from .gitmodules, no overlay with .git/config */
 	gitmodules_config();
-
-	if (prefix && get_super_prefix())
-		die("BUG: cannot have prefix and superprefix");
-	else if (prefix)
-		displaypath = xstrdup(relative_path(path, prefix, &sb));
-	else if (get_super_prefix()) {
-		strbuf_addf(&sb, "%s%s", get_super_prefix(), path);
-		displaypath = strbuf_detach(&sb, NULL);
-	} else
-		displaypath = xstrdup(path);
+	displaypath = get_submodule_displaypath(path, prefix);
 
 	sub = submodule_from_path(null_sha1, path);
 
@@ -363,7 +375,6 @@ static void init_submodule(const char *path, const char *prefix, int quiet)
 	 * Set active flag for the submodule being initialized
 	 */
 	if (!is_submodule_active(the_repository, path)) {
-		strbuf_reset(&sb);
 		strbuf_addf(&sb, "submodule.%s.active", sub->name);
 		git_config_set_gently(sb.buf, "true");
 	}
-- 
2.13.0


  reply index

Thread overview: 15+ messages in thread (expand / mbox.gz / Atom feed / [top])
2017-07-10 22:45 [GSoC] Update: Week 8 Prathamesh Chavan
2017-07-10 22:54 ` Prathamesh Chavan [this message]
2017-07-10 22:54   ` [GSoC][PATCH 2/8] submodule--helper: introduce for_each_submodule_list() Prathamesh Chavan
2017-07-10 22:54   ` [GSoC][PATCH 3/8] submodule: port set_name_rev() from shell to C Prathamesh Chavan
2017-07-10 22:54   ` [GSoC][PATCH 4/8] submodule: port submodule subcommand 'status' " Prathamesh Chavan
2017-07-10 23:38     ` Brandon Williams
2017-07-10 22:54   ` [GSoC][PATCH 5/8] submodule: port submodule subcommand 'sync' " Prathamesh Chavan
2017-07-10 23:41     ` Brandon Williams
2017-07-10 22:54   ` [GSoC][PATCH 6/8] submodule: port submodule subcommand 'deinit' " Prathamesh Chavan
2017-07-10 22:54   ` [GSoC][PATCH 7/8] diff: change scope of the function count_lines() Prathamesh Chavan
2017-07-10 22:54   ` [GSoC][PATCH 8/8] submodule: port submodule subcommand 'summary' from shell to C Prathamesh Chavan
2017-07-10 23:32   ` [GSoC][PATCH 1/8] submodule--helper: introduce get_submodule_displaypath() Brandon Williams
2017-07-10 23:38     ` Stefan Beller
2017-07-10 23:42       ` Brandon Williams
     [not found] <20170718204904.3768-1-pc44800@gmail.com>
2017-07-18 20:48 ` Prathamesh Chavan

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