[PATCH 6/6] unpack-trees: remove i18n legos in unpack's porcelain error messages

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 unpack-trees.c |   55 +++++++++++++++++++++++++++++++++----------------------
 1 files changed, 33 insertions(+), 22 deletions(-)

diff --git a/unpack-trees.c b/unpack-trees.c
index ad40109..41c5714 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -53,35 +53,46 @@ static const char *unpack_plumbing_errors[NB_UNPACK_TREES_ERROR_TYPES] = {
 void setup_unpack_trees_porcelain(struct unpack_trees_options *opts,
 				  const char *cmd)
 {
-	int i;
+	int i, idx;
 	const char **msgs = opts->msgs;
-	const char *msg;
-	char *tmp;
-	const char *cmd2 = strcmp(cmd, "checkout") ? cmd : "switch branches";
-	if (advice_commit_before_merge)
-		msg = "Your local changes to the following files would be overwritten by %s:\n%%s"
-			"Please, commit your changes or stash them before you can %s.";
+	struct strbuf msg = STRBUF_INIT;
+	const char *overwrite_advice[] = {
+		"Please, commit your changes or stash them before you can merge.",
+		"Please, commit your changes or stash them before you can switch branches."
+	};
+	const char *remove_untracked_advice[] = {
+		"Please move or remove them before you can merge.",
+		"Please move or remove them before you can switch branches."
+	};
+
+	if (!strcmp(cmd, "merge"))
+		idx = 0;
+	else if (!strcmp(cmd, "checkout"))
+		idx = 1;
 	else
-		msg = "Your local changes to the following files would be overwritten by %s:\n%%s";
-	tmp = xmalloc(strlen(msg) + strlen(cmd) + strlen(cmd2) - 2);
-	sprintf(tmp, msg, cmd, cmd2);
-	msgs[ERROR_WOULD_OVERWRITE] = tmp;
-	msgs[ERROR_NOT_UPTODATE_FILE] = tmp;
+		die("BUG: unsupported command %s", cmd);
+
+	strbuf_addf(&msg, "Your local changes to the following files "
+		    "would be overwritten by %s:\n%%s", cmd);
+	if (advice_commit_before_merge)
+		strbuf_addstr(&msg, overwrite_advice[idx]);
+	msgs[ERROR_WOULD_OVERWRITE] = strbuf_detach(&msg, NULL);
+	msgs[ERROR_NOT_UPTODATE_FILE] = msgs[ERROR_WOULD_OVERWRITE];
 
 	msgs[ERROR_NOT_UPTODATE_DIR] =
 		"Updating the following directories would lose untracked files in it:\n%s";
 
+	strbuf_addf(&msg, "The following untracked working tree "
+		    "files would be removed by %s:\n%%s", cmd);
 	if (advice_commit_before_merge)
-		msg = "The following untracked working tree files would be %s by %s:\n%%s"
-			"Please move or remove them before you can %s.";
-	else
-		msg = "The following untracked working tree files would be %s by %s:\n%%s";
-	tmp = xmalloc(strlen(msg) + strlen(cmd) + strlen("removed") + strlen(cmd2) - 4);
-	sprintf(tmp, msg, "removed", cmd, cmd2);
-	msgs[ERROR_WOULD_LOSE_UNTRACKED_REMOVED] = tmp;
-	tmp = xmalloc(strlen(msg) + strlen(cmd) + strlen("overwritten") + strlen(cmd2) - 4);
-	sprintf(tmp, msg, "overwritten", cmd, cmd2);
-	msgs[ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN] = tmp;
+		strbuf_addstr(&msg, remove_untracked_advice[idx]);
+	msgs[ERROR_WOULD_LOSE_UNTRACKED_REMOVED] = strbuf_detach(&msg, NULL);
+
+	strbuf_addf(&msg, "The following untracked working tree "
+		    "files would be overwritten by %s:\n%%s", cmd);
+	if (advice_commit_before_merge)
+		strbuf_addstr(&msg, remove_untracked_advice[idx]);
+	msgs[ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN] = strbuf_detach(&msg, NULL);
 
 	/*
 	 * Special case: ERROR_BIND_OVERLAP refers to a pair of paths, we
-- 
1.7.8