Add ensure option to cargo install #6592
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Options to prevent errors when crate is already installed
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r? @ehuss (rust_highfive has picked a reviewer for you, use r? to override) |
k-nasa
commented
Jan 23, 2019
| .arg( | ||
| opt( | ||
| "ensure", | ||
| "Simply leaves it as-is when you already have a suitable version", |
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I thought that this PR was not appropriate. |
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Description
Add 'ensure'opsion to cargo_install
Options to prevent errors when crate is already installed.
Background
#6485
I think that this issue is made up of two things.
This PR solves the first one.
I'll add the second correspondence later.
I ended up using
std :: process :: exit. I would like to ask a review if this is OK