arm install issue

[ghost]

When trying to install on ARM, this error occurs on the first line of install prompt

sh: 249: [: unknown-linux-gnu: unexpected operator

and on last 4 lines

info: syncing channel updates for 'stable-armv7-unknown-linux-gnueabihf'
error: could not download file from 'https://static.rust-lang.org/dist/channel-rust-stable.toml.sha256' to '/home/pi/.rustup/tmp/1rc0k7s_gfvzw4r4_file'
info: caused by: error during download
info: caused by: [1] Unsupported protocol (Protocol "https" not supported or disabled in libcurl)

[malbarbo]

See #1047 and #1051

[zaynetro]

Using hyper fixed the issue (as in #1051):

export RUSTUP_USE_HYPER=1
curl https://sh.rustup.rs -sSf | sh

[Diggsey]

Closing as duplicate of mentioned issues.