Hi @jojoooo1 , 

When I try the second method, the workflow run also exit. Could you please share your whole workflow yml content here? 

bash.png880×659 19.1 KB

Is the result of 

"${#TAG_LIST[@]}" -ne 3

 changed in your side? 

Hi @yanjingzhu 

I wrote a bit quickly you will find below the variable details:

RELEASE_VERSION=2.3.1
TAG_LIST=(`echo $RELEASE_VERSION | tr '.' ' '`)
this will pass
if [["${#TAG_LIST[@]}" -ne 3 ]]; then

echo "$RELEASE_VERSION is not a valid semantic version"

exit 1

fi
this will not pass
[["${#TAG_LIST[@]}" -ne 3 ]] && echo "$RELEASE_VERSION is not a valid semantic version" && exit 1

@jojoooo1
Thank you for sharing your detail bash scripts here. Based on my test ,

TAG_LIST=(`echo $RELEASE_VERSION | tr '.' ' '`)

just returns 2, this cause the result of if condition to false, so exit 1 will not execute when you use if.

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But when you connect your commands with && , exit 1 will always be executed.
Could you please change that line to the next syntax?

TAG_LIST=$(echo $RELEASE_VERSION | tr '.' ' ')