git crate&query&delete tag

:/opt/myProject# git log --pretty=oneline
0169b7a1c4bccb47e76711f353fd8d3864bde912 (HEAD -> master) add c.c
da744be647e398abac90d8789edc6d73d6b53fa8 add b.c
7e45181bf8fd527625dd1465b049bca6f7ae84c2 add a.c

#crate tag

:/opt/myProject# git tag tag1.0 7e4518

# query tags

:/opt/myProject# git tag
tag1.0

:/opt/myProject# git show tag1.0
commit 7e45181bf8fd527625dd1465b049bca6f7ae84c2 (tag: tag1.0)
Author: panzidong <panzidong>
Date: Mon Dec 9 19:53:56 2019 +0800

add a.c

diff --git a/a.c b/a.c
new file mode 100644
index 0000000..e69de29

# delete tag

:/opt/myProject# git tag -d tag1.0
Deleted tag ‘tag1.0‘ (was 7e45181)
:/opt/myProject# git tag