fix crashes in revlog with utf8 commit messages (closes #188)

Author: Stephan Dilly

CHANGELOG.md

@@ -8,7 +8,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 - removed unmaintained dependency `spin` ([#172](https://github.com/extrawurst/gitui/issues/172))
-- fix opening relative paths in external editor ([#184](https://github.com/extrawurst/gitui/issues/184))
+- opening relative paths in external editor may fail in subpaths ([#184](https://github.com/extrawurst/gitui/issues/184))
+- crashes in revlog with utf8 commit messages ([#188](https://github.com/extrawurst/gitui/issues/188))
 
 ## [0.8.1] - 2020-07-07
 

asyncgit/src/sync/commits_info.rs

@@ -180,5 +180,9 @@ mod tests {
     #[test]
     fn test_limit_string_utf8() {
         assert_eq!(limit_str("里里", 1), "里");
+
+        let test_src = "导入按钮由选文件改为选目录，因为整个过程中要用到多个mdb文件，这些文件是在程序里写死的，暂且这么来做，有时间了后 再做调整";
+        let test_dst = "导入按钮由选文";
+        assert_eq!(limit_str(test_src, 20), test_dst);
     }
 }