Mercurial - 为什么 diff 不起作用？

Question

我刚刚开始使用 Mercurial（适用于 Windows）。根据教程 http://hginit.com/01.html 我制作了存储库等。但是 diff命令不显示我在文件中所做的任何更改。您知道哪里出了问题吗？ 提前致谢！

Answer 1

默认情况下，如果命令 hg diff 将显示工作目录与其父目录之间的差异。正如 nye17 所建议的，如果您在运行 hg diff 之前提交了一些更改，那么工作目录将与其父目录相同，并且不显示任何输出。在这些情况下，您可以通过运行 hg diff -c -1 来查看所做的更改。这将对之前的 (-1) 变更集运行 hg diff 命令。

Answer 2

基本步骤如下：

hg init .       ---- This make the current directory as blank hg repository

echo "XYZ" > test.txt   --- This creates a new file which is not added to version control yet.

hg add test.txt --- The file is added to repo for commit

hg commit test.txt -m "added file test.txt"  --- Now you can commit the file

hg log  ----- to see the log

hg diff test.txt ----- will show no diff as the latest file committed is same

echo "TTTT" >> test.txt   ----- make some changes

hg diff test.txt   -------- should show the difference of current file to latest in commit

hg commit test.txt -m "second commit"  ----- now once you have committed, latest in repo and working directory is same

hg diff test.txt ------ this diff should again be blank