Thread (1 message) 1 message, 1 author, 2016-06-15
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[PATCH 2/2] rm: introduce advice.rmHints to shorten messages

From: Mathieu Lienard--Mayor <hidden>
Date: 2016-06-15 22:57:40
Subsystem: documentation, the rest · Maintainers: Jonathan Corbet, Linus Torvalds

Possibly related (same subject, not in this thread)

Introduce advice.rmHints to choose whether to display advice or not
when git rm fails. Defaults to true, in order to preserve current behavior.

As an example, the message:
	error: 'foo.txt' has changes staged in the index
	(use --cached to keep the file, or -f to force removal)

would look like, with advice.rmHints=false:
	error: 'foo.txt' has changes staged in the index

Signed-off-by: Mathieu Lienard--Mayor <redacted>
Signed-off-by: Jorge Juan Garcia Garcia <redacted>
Signed-off-by: Matthieu Moy <redacted>
---

Changes since v1:
 -corrected the commit message where "rmHints=true" was supposed to be "false"
 -better use of English tenses in the commit message

 Documentation/config.txt |    3 +++
 advice.c                 |    2 ++
 advice.h                 |    1 +
 builtin/rm.c             |   11 +++++++----
 t/t3600-rm.sh            |   29 +++++++++++++++++++++++++++++
 5 files changed, 42 insertions(+), 4 deletions(-)
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 6e53fc5..eb04479 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -199,6 +199,9 @@ advice.*::
 	amWorkDir::
 		Advice that shows the location of the patch file when
 		linkgit:git-am[1] fails to apply it.
+	rmHints::
+		In case of failure in the output of linkgit:git-rm[1],
+		show directions on how to proceed from the current state.
 --
 
 core.fileMode::
diff --git a/advice.c b/advice.c
index a8deee6..a4c169c 100644
--- a/advice.c
+++ b/advice.c
@@ -14,6 +14,7 @@ int advice_resolve_conflict = 1;
 int advice_implicit_identity = 1;
 int advice_detached_head = 1;
 int advice_set_upstream_failure = 1;
+int advice_rm_hints = 1;
 
 static struct {
 	const char *name;
@@ -33,6 +34,7 @@ static struct {
 	{ "implicitidentity", &advice_implicit_identity },
 	{ "detachedhead", &advice_detached_head },
 	{ "setupstreamfailure", &advice_set_upstream_failure },
+	{ "rmhints", &advice_rm_hints },
 
 	/* make this an alias for backward compatibility */
 	{ "pushnonfastforward", &advice_push_update_rejected }
diff --git a/advice.h b/advice.h
index 94caa32..36104c4 100644
--- a/advice.h
+++ b/advice.h
@@ -17,6 +17,7 @@ extern int advice_resolve_conflict;
 extern int advice_implicit_identity;
 extern int advice_detached_head;
 extern int advice_set_upstream_failure;
+extern int advice_rm_hints;
 
 int git_default_advice_config(const char *var, const char *value);
 void advise(const char *advice, ...);
diff --git a/builtin/rm.c b/builtin/rm.c
index 76dfc5b..2226037 100644
--- a/builtin/rm.c
+++ b/builtin/rm.c
@@ -62,9 +62,11 @@ static int check_submodules_use_gitfiles(void)
 
 		if (!submodule_uses_gitfile(name))
 			errs = error(_("submodule '%s' (or one of its nested "
-				     "submodules) uses a .git directory\n"
-				     "(use 'rm -rf' if you really want to remove "
-				     "it including all of its history)"), name);
+				       "submodules) uses a .git directory%s"), name,
+				       advice_rm_hints
+				       ? "\n(use 'rm -rf' if you really want to remove "
+				       "it including all of its history)"
+				       : "");
 	}
 
 	return errs;
@@ -85,7 +87,8 @@ static int print_error_files(struct string_list *files_list,
 		strbuf_addf(&err_msg,
 			    "\n    %s",
 			    files_list->items[i].string);
-	strbuf_addstr(&err_msg, hints_msg);
+	if (advice_rm_hints)
+		strbuf_addstr(&err_msg, hints_msg);
 	errs = error("%s", err_msg.buf);
 
 	return errs;
diff --git a/t/t3600-rm.sh b/t/t3600-rm.sh
index 08bc9bb..92f6146 100755
--- a/t/t3600-rm.sh
+++ b/t/t3600-rm.sh
@@ -707,6 +707,18 @@ EOF
 	test_cmp expect actual
 '
 
+test_expect_success 'rm files with different staged content without hints' '
+	cat >expect << EOF &&
+error: the following files have staged content different from both the
+file and the HEAD:
+    bar.txt
+    foo.txt
+EOF
+	echo content2 >foo.txt &&
+	echo content2 >bar.txt &&
+	test_must_fail git -c advice.rmhints=false rm foo.txt bar.txt 2>actual &&
+	test_cmp expect actual
+'
 
 test_expect_success 'rm file with local modification' '
 	cat >expect << EOF &&
@@ -720,6 +732,15 @@ EOF
 	test_cmp expect actual
 '
 
+test_expect_success 'rm file with local modification without hints' '
+	cat >expect << EOF &&
+error: the following files have local modifications:
+    bar.txt
+EOF
+	echo content4 >bar.txt &&
+	test_must_fail git -c advice.rmhints=false rm bar.txt 2>actual &&
+	test_cmp expect actual
+'
 
 test_expect_success 'rm file with changes in the index' '
     cat >expect << EOF &&
@@ -734,5 +755,13 @@ EOF
 	test_cmp expect actual
 '
 
+test_expect_success 'rm file with changes in the index without hints' '
+	cat >expect << EOF &&
+error: the following files have changes staged in the index:
+    foo.txt
+EOF
+	test_must_fail git -c advice.rmhints=false rm foo.txt 2>actual &&
+	test_cmp expect actual
+'
 
 test_done
-- 
1.7.8
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