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improve history command. close #1140

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This commit is contained in:
hengyunabc
2020-04-23 17:50:09 +08:00
parent 0238b73186
commit 80e1fdf4ba
1 changed files with 2 additions and 2 deletions
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core/src/main/java/com/taobao/arthas/core/command/basic1000/HistoryCommand.java
+2 -2
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@@ -29,7 +29,7 @@ public class HistoryCommand extends AnnotatedCommand {
boolean clear = false;
int n = -1;
@Option(shortName = "c", longName = "clear")
@Option(shortName = "c", longName = "clear", flag = true , acceptValue = false)
@Description("clear history")
public void setClear(boolean clear) {
this.clear = clear;
@@ -56,7 +56,7 @@ public class HistoryCommand extends AnnotatedCommand {
StringBuilder sb = new StringBuilder();
int size = history.size();
if (n < 0) {
if (n < 0 || n > size) {
n = size;
}