[RFC PATCH v2 2/6] status: handle long paths in noob format

[Jacob Stopak <jacob@initialcommit.io>]

Signed-off-by: Jacob Stopak <jacob@initialcommit.io>
---
 table.c     | 58 ++++++++++++++++++++++++++++++++++++++++++++++-------
 table.h     |  2 +-
 wt-status.c |  2 +-
 3 files changed, 53 insertions(+), 9 deletions(-)

diff --git a/table.c b/table.c
index 15600e117f..d085f2a098 100644
--- a/table.c
+++ b/table.c
@@ -25,15 +25,44 @@ static void build_table_border(struct strbuf *buf, int cols)
 
 static void build_table_entry(struct strbuf *buf, char *entry, int cols)
 {
+	int len = strlen(entry);
+	size_t col_width = (cols / 3) - 5; /* subtract for padding */
+
 	strbuf_reset(buf);
-	strbuf_addchars(buf, ' ', (cols / 3 - 1 - strlen(entry)) / 2);
+
+	/* Trim equally from both sides if it doesn't fit in column */
+	if (len > col_width) {
+		struct strbuf start_buf = STRBUF_INIT;
+		struct strbuf end_buf = STRBUF_INIT;
+		struct strbuf entry_buf = STRBUF_INIT;
+
+		strbuf_addstr(&start_buf, entry);
+		strbuf_addstr(&end_buf, entry);
+
+		strbuf_remove(&start_buf, col_width / 2, len - col_width / 2);
+		strbuf_remove(&end_buf, 0, len - col_width / 2);
+
+		strbuf_addstr(&entry_buf, start_buf.buf);
+		strbuf_addstr(&entry_buf, "...");
+		strbuf_addstr(&entry_buf, end_buf.buf);
+
+		entry = strbuf_detach(&entry_buf, &col_width);
+		len = strlen(entry);
+
+		strbuf_release(&start_buf);
+		strbuf_release(&end_buf);
+		strbuf_release(&entry_buf);
+	}
+
+	strbuf_addchars(buf, ' ', (cols / 3 - len - 1) / 2); /* left padding */
 	strbuf_addstr(buf, entry);
 
-	/* Bump right padding if entry length is odd */
-	if (!(strlen(entry) % 2))
-		strbuf_addchars(buf, ' ', (cols / 3 - 1 - strlen(entry)) / 2 + 1);
+	/* right padding */
+	if (!(len % 2))
+		/* Bump right padding if entry length is odd */
+		strbuf_addchars(buf, ' ', (cols / 3 - len - 1) / 2 + 1);
 	else
-		strbuf_addchars(buf, ' ', (cols / 3 - 1 - strlen(entry)) / 2);
+		strbuf_addchars(buf, ' ', (cols / 3 - len - 1) / 2);
 }
 
 static void print_table_body_line(struct strbuf *buf1, struct strbuf *buf2, struct strbuf *buf3, struct wt_status *s)
@@ -47,7 +76,7 @@ static void print_table_body_line(struct strbuf *buf1, struct strbuf *buf2, stru
 	printf(_("|\n"));
 }
 
-void print_noob_status(struct wt_status *s)
+void print_noob_status(struct wt_status *s, int add_advice)
 {
 	struct winsize w;
 	int cols;
@@ -66,14 +95,29 @@ void print_noob_status(struct wt_status *s)
 		cols -= 1;
 	}
 
+	/* Draw table header */
 	build_table_border(&table_border, cols);
 	build_table_entry(&table_col_entry_1, "Untracked files", cols);
 	build_table_entry(&table_col_entry_2, "Unstaged changes", cols);
 	build_table_entry(&table_col_entry_3, "Staging area", cols);
 
-	/* Draw table header */
 	printf(_("%s\n"), table_border.buf);
 	printf(_("|%s|%s|%s|\n"), table_col_entry_1.buf, table_col_entry_2.buf, table_col_entry_3.buf);
+
+	if (add_advice) {
+		build_table_entry(&table_col_entry_1, "(stage: git add <file>)", cols);
+		build_table_entry(&table_col_entry_2, "(stage: git add <file>)", cols);
+		build_table_entry(&table_col_entry_3, "(unstage: git restore --staged <file>)", cols);
+
+		printf(_("|%s|%s|%s|\n"), table_col_entry_1.buf, table_col_entry_2.buf, table_col_entry_3.buf);
+
+		build_table_entry(&table_col_entry_1, "", cols);
+		build_table_entry(&table_col_entry_2, "(discard: git restore --staged <file>)", cols);
+		build_table_entry(&table_col_entry_3, "", cols);
+
+		printf(_("|%s|%s|%s|\n"), table_col_entry_1.buf, table_col_entry_2.buf, table_col_entry_3.buf);
+	}
+
 	printf(_("%s\n"), table_border.buf);
 
 	/* Draw table body */
diff --git a/table.h b/table.h
index c9e8c386de..5dff7162a4 100644
--- a/table.h
+++ b/table.h
@@ -1,6 +1,6 @@
 #ifndef TABLE_H
 #define TABLE_H
 
-void print_noob_status(struct wt_status *s);
+void print_noob_status(struct wt_status *s, int i);
 
 #endif /* TABLE_H */
diff --git a/wt-status.c b/wt-status.c
index 712807aa8f..b5899dcc98 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -2149,7 +2149,7 @@ static void wt_noobstatus_print(struct wt_status *s)
 		wt_longstatus_print_tracking(s);
 	}
 
-	print_noob_status(s);
+	print_noob_status(s, 0);
 }
 
 static void wt_porcelain_print(struct wt_status *s)
-- 
2.42.0.404.g2bcc23f3db