webi/bootstrap.bash

   1 #!/bin/bash
   2
   3 {
   4
   5 #WEBI_PKG=
   6 #WEBI_HOST=https://webinstall.dev
   7 export WEBI_HOST
   8
   9 mkdir -p "$HOME/.local/bin"
  10
  11 cat << EOF > "$HOME/.local/bin/webi"
  12 #!/bin/bash
  13
  14 set -e
  15 set -u
  16
  17 my_package="\${1:-}"
  18 if [ -z "\$my_package" ]; then
  19         echo "Usage: webi <package>@<version>"
  20         echo "Example: webi node@latest"
  21         exit 1
  22 fi
  23
  24 ##
  25 ## Detect acceptable package formats
  26 ##
  27
  28 my_ext=""
  29 set +e
  30 if [ -n "\$(command -v git)" ]; then
  31         my_ext="git,\$my_ext"
  32 fi
  33 if [ -n "\$(command -v tar)" ]; then
  34         my_ext="tar,\$my_ext"
  35 fi
  36 if [ -n "\$(command -v unzip)" ]; then
  37         my_ext="zip,\$my_ext"
  38 fi
  39 if [ -n "\$(command -v pkgutil)" ]; then
  40         my_ext="pkg,\$my_ext"
  41 fi
  42 # disable this check for the sake of building the macOS installer on Linux
  43 #if [ -n "\$(command -v diskutil)" ]; then
  44         # note: could also detect via hdiutil
  45         my_ext="dmg,\$my_ext"
  46 #fi
  47 my_ext="\$(echo "\$my_ext" | sed 's/,$//')" # nix trailing comma
  48 set -e
  49
  50 ##
  51 ## Detect http client
  52 ##
  53 set +e
  54 export WEBI_CURL="\$(command -v curl)"
  55 export WEBI_WGET="\$(command -v wget)"
  56 set -e
  57
  58 export WEBI_BOOT="\$(mktemp -d -t "\$my_package-bootstrap.XXXXXXXX")"
  59 export WEBI_HOST="\${WEBI_HOST:-https://webinstall.dev}"
  60 export WEBI_UA="\$(uname -a)"
  61
  62 my_installer_url="\$WEBI_HOST/api/installers/\$my_package.bash?formats=\$my_ext"
  63 set +e
  64 if [ -n "\$WEBI_CURL" ]; then
  65         curl -fsSL "\$my_installer_url" -H "User-Agent: curl \$WEBI_UA" \\
  66                 -o "\$WEBI_BOOT/\$my_package-bootstrap.sh"
  67 else
  68         wget -q "\$my_installer_url" --user-agent="wget \$WEBI_UA" \\
  69                 -O "\$WEBI_BOOT/\$my_package-bootstrap.sh"
  70 fi
  71 if ! [ \$? -eq 0 ]; then
  72   echo "error fetching '\$my_installer_url'"
  73   exit 1
  74 fi
  75 set -e
  76
  77 pushd "\$WEBI_BOOT" 2>&1 > /dev/null
  78         bash "\$my_package-bootstrap.sh"
  79 popd 2>&1 > /dev/null
  80
  81 rm -rf "\$WEBI_BOOT"
  82 EOF
  83
  84 chmod a+x "$HOME/.local/bin/webi"
  85
  86 if [ -n "${WEBI_PKG:-}" ]; then
  87     "$HOME/.local/bin/webi" "${WEBI_PKG}"
  88 fi
  89
  90 }