Use print_wrapped_text() in shortlog

Some oneline descriptions are just too long. In shortlog, it looks much
nicer when they are wrapped. Since print_wrapped_text() is UTF-8 aware,
it also works with those descriptions.

[jc: with minimum fixes]

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>

builtin-shortlog.c

@@ -4,6 +4,7 @@
 #include "diff.h"
 #include "path-list.h"
 #include "revision.h"
+#include "utf8.h"
 
 static const char shortlog_usage[] =
 "git-shortlog [-n] [-s] [<commit-id>... ]";
@@ -323,9 +324,13 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix)
 			printf("%s: %d\n", list.items[i].path, onelines->nr);
 		} else {
 			printf("%s (%d):\n", list.items[i].path, onelines->nr);
-			for (j = onelines->nr - 1; j >= 0; j--)
-				printf("      %s\n", onelines->items[j].path);
-			printf("\n");
+			for (j = onelines->nr - 1; j >= 0; j--) {
+				int col = print_wrapped_text(onelines->items[j].path,
+							     6, 9, 76);
+				if (col != 76)
+					putchar('\n');
+			}
+			putchar('\n');
 		}
 
 		onelines->strdup_paths = 1;

t/t4201-shortlog.sh

@@ -0,0 +1,50 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Johannes E. Schindelin
+#
+
+test_description='git-shortlog
+'
+
+. ./test-lib.sh
+
+echo 1 > a1
+git add a1
+tree=$(git write-tree)
+commit=$((echo "Test"; echo) | git commit-tree $tree)
+git update-ref HEAD $commit
+
+echo 2 > a1
+git commit -m "This is a very, very long first line for the commit message to see if it is wrapped correctly" a1
+
+# test if the wrapping is still valid when replacing all i's by treble clefs.
+echo 3 > a1
+git commit -m "$(echo "This is a very, very long first line for the commit message to see if it is wrapped correctly" | sed "s/i/1234/g" | tr 1234 '\360\235\204\236')" a1
+
+# now fsck up the utf8
+git repo-config i18n.commitencoding non-utf-8
+echo 4 > a1
+git commit -m "$(echo "This is a very, very long first line for the commit message to see if it is wrapped correctly" | sed "s/i/1234/g" | tr 1234 '\370\235\204\236')" a1
+
+echo 5 > a1
+git commit -m "a								12	34	56	78" a1
+
+git shortlog HEAD > out
+
+cat > expect << EOF
+A U Thor (5):
+      Test
+      This is a very, very long first line for the commit message to see if
+         it is wrapped correctly
+      Th𝄞s 𝄞s a very, very long f𝄞rst l𝄞ne for the comm𝄞t message to see 𝄞f
+         𝄞t 𝄞s wrapped correctly
+      Thø„žs ø„žs a very, very long fø„žrst lø„žne for the commø„žt
+         message to see ø„žf ø„žt ø„žs wrapped correctly
+      a								12	34
+         56	78
+
+EOF
+
+test_expect_success 'shortlog wrapping' 'diff -u expect out'
+
+test_done