[PATCH v5 0/3] pass credential.* to submodules

[Jacob Keller <jacob.e.keller@xxxxxxxxx>]

From: Jacob Keller <jacob.keller@xxxxxxxxx>

This version of the series fixes up a few issues and implements
sq_quotef function to help make intent more clear in the code. I also
chose to use Jeff's implementation for the test fix since I think it
works better and I prefer the consistency of implementation.

Interdiff between v4 and v5:

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index c6c0a3b06e27..43943eef81b4 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -147,16 +147,7 @@ static int sanitize_submodule_config(const char *var, const char *value, void *d
 		if (out->len)
 			strbuf_addch(out, ' ');
 
-		/*
-		 * The GIT_CONFIG_PARAMETERS parser is a bit picky and
-		 * requires that each var=value pair be quoted as a single
-		 * unit.
-		 */
-		strbuf_addstr(&quoted, var);
-		strbuf_addch(&quoted, '=');
-		strbuf_addstr(&quoted, value);
-
-		sq_quote_buf(out, quoted.buf);
+		sq_quotef(out, "%s=%s", var, value);
 	}
 
 	strbuf_release(&quoted);
diff --git a/quote.c b/quote.c
index fe884d24521f..b281a8fe454e 100644
--- a/quote.c
+++ b/quote.c
@@ -43,6 +43,19 @@ void sq_quote_buf(struct strbuf *dst, const char *src)
 	free(to_free);
 }
 
+void sq_quotef(struct strbuf *dst, const char *fmt, ...)
+{
+	struct strbuf src = STRBUF_INIT;
+
+	va_list ap;
+	va_start(ap, fmt);
+	strbuf_vaddf(&src, fmt, ap);
+	va_end(ap);
+
+	sq_quote_buf(dst, src.buf);
+	strbuf_release(&src);
+}
+
 void sq_quote_argv(struct strbuf *dst, const char** argv, size_t maxlen)
 {
 	int i;
diff --git a/quote.h b/quote.h
index 99e04d34bf22..6c53a2cc66c4 100644
--- a/quote.h
+++ b/quote.h
@@ -25,10 +25,13 @@ struct strbuf;
  * sq_quote_buf() writes to an existing buffer of specified size; it
  * will return the number of characters that would have been written
  * excluding the final null regardless of the buffer size.
+ *
+ * sq_quotef() quotes the entire formatted string as a single result.
  */
 
 extern void sq_quote_buf(struct strbuf *, const char *src);
 extern void sq_quote_argv(struct strbuf *, const char **argv, size_t maxlen);
+extern void sq_quotef(struct strbuf *, const char *fmt, ...);
 
 /* This unwraps what sq_quote() produces in place, but returns
  * NULL if the input does not look like what sq_quote would have
diff --git a/t/t7412-submodule--helper.sh b/t/t7412-submodule--helper.sh
index 9d937de8b224..149d42864f29 100755
--- a/t/t7412-submodule--helper.sh
+++ b/t/t7412-submodule--helper.sh
@@ -16,12 +16,11 @@ test_expect_success 'sanitize-config clears configuration' '
 	test_must_be_empty actual
 '
 
-test_expect_success 'sanitize-config keeps credential.helper' "
+sq="'"
+test_expect_success 'sanitize-config keeps credential.helper' '
 	git -c credential.helper=helper submodule--helper sanitize-config >actual &&
-	cat >expect <<-EOF &&
-	'credential.helper=helper'
-	EOF
+	echo "${sq}credential.helper=helper${sq}" >expect &&
 	test_cmp expect actual
-"
+'
 
 test_done

Jacob Keller (3):
  sumodule--helper: fix submodule--helper clone usage and check argc
    count
  quote: implement sq_quotef()
  git: submodule honor -c credential.* from command line

 builtin/submodule--helper.c  | 73 ++++++++++++++++++++++++++++++++++++++++++--
 git-submodule.sh             | 40 +++++++++++++++---------
 quote.c                      | 13 ++++++++
 quote.h                      |  3 ++
 t/t5550-http-fetch-dumb.sh   | 17 +++++++++++
 t/t7412-submodule--helper.sh | 26 ++++++++++++++++
 6 files changed, 155 insertions(+), 17 deletions(-)
 create mode 100755 t/t7412-submodule--helper.sh

-- 
2.7.1.429.g45cd78e

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