Official curl ... | bash install not adding pixi to PATH when ~/.zshrc missing

[humphd]

Checks

• I have checked that this issue has not already been reported.

• I have confirmed this bug exists on the latest version of pixi, using pixi --version.

Reproducible example

curl -fsSL https://pixi.sh/install.sh | bash

Issue description

Running the official installation command on macOS is not adding pixi to the PATH. I've tried on 3 different Macs tonight, some new (M1) some old, they all have the same issue.

Each one is using the default zsh shell. Running curl -fsSL https://pixi.sh/install.sh | bash (or even curl -fsSL https://pixi.sh/install.sh | zsh) results in ~/.pixi/bin/pixi being installed, but the PATH environment variable isn't updated.

Debugging this a bit, I notice that machines where people haven't done much setup before don't have ~/.zshrc, so it's skipping updating PATH.

Expected behavior

I'd expect pixi to become executable. I'm trying to get new users working with pixi, and this is a blocker for people who are new, and will assume the install failed.

Looking at the install script, I wonder if update_shell() should be improved to create the file if it's missing?

update_shell() {
    FILE=$1
    LINE=$2

    # Create the file if it doesn't exist
    if [ ! -f "$FILE" ]; then
        touch "$FILE"
    fi

    # Append the line if it's not already in the file
    if ! grep -Fxq "$LINE" "$FILE"
    then
        echo "Updating '${FILE}'"
        echo "$LINE" >> "$FILE"
    fi
}

[ruben-arts]

He @humphd, good catch! feel free to make a PR with your fix!

Nice to hear that the first thing you do on a new system is install pixi 😉 !