mirror of
https://github.com/webinstall/webi-installers.git
synced 2026-02-14 17:49:53 +00:00
450 lines
15 KiB
Bash
450 lines
15 KiB
Bash
#!/bin/bash
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# shellcheck disable=2001
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# because I prefer to use sed rather than bash replace
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# (there's too little space in my head to learn both syntaxes)
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__bootstrap_webi() {
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set -e
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set -u
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#set -x
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#WEBI_PKG=
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#PKG_NAME=
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# TODO should this be BASEURL instead?
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#WEBI_OS=
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#WEBI_ARCH=
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#WEBI_HOST=
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#WEBI_RELEASES=
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#WEBI_CSV=
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#WEBI_TAG=
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#WEBI_VERSION=
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#WEBI_MAJOR=
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#WEBI_MINOR=
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#WEBI_PATCH=
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# TODO not sure if BUILD is the best name for this
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#WEBI_BUILD=
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#WEBI_LTS=
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#WEBI_CHANNEL=
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#WEBI_EXT=
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#WEBI_FORMATS=
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#WEBI_PKG_URL=
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#WEBI_PKG_FILE=
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#PKG_OSES=
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#PKG_ARCHES=
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#PKG_FORMATS=
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WEBI_UA="$(uname -a)"
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WEBI_PKG_DOWNLOAD=""
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WEBI_PKG_PATH="${HOME}/Downloads/webi/${PKG_NAME:-error}/${WEBI_VERSION:-latest}"
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export WEBI_HOST
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##
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## Set up tmp, download, and install directories
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##
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WEBI_TMP=${WEBI_TMP:-"$(mktemp -d -t webinstall-"${WEBI_PKG:-}".XXXXXXXX)"}
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export _webi_tmp="${_webi_tmp:-"$HOME/.local/opt/webi-tmp.d"}"
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mkdir -p "${WEBI_PKG_PATH}"
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mkdir -p "$HOME/.local/bin"
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mkdir -p "$HOME/.local/opt"
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##
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## Detect http client
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##
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set +e
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WEBI_CURL="$(command -v curl)"
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export WEBI_CURL
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WEBI_WGET="$(command -v wget)"
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export WEBI_WGET
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set -e
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# get the special formatted version (i.e. "go is go1.14" while node is "node v12.10.8")
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my_versioned_name=""
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_webi_canonical_name() {
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if [ -n "$my_versioned_name" ]; then
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echo "$my_versioned_name"
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return 0
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fi
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if [ -n "$(command -v pkg_format_cmd_version)" ]; then
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my_versioned_name="'$(pkg_format_cmd_version "$WEBI_VERSION")'"
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else
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my_versioned_name="'$pkg_cmd_name v$WEBI_VERSION'"
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fi
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echo "$my_versioned_name"
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}
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# update symlinks according to $HOME/.local/opt and $HOME/.local/bin install paths.
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# shellcheck disable=2120
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# webi_link may be used in the templated install script
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webi_link() {
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if [ -n "$(command -v pkg_link)" ]; then
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pkg_link
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return 0
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fi
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if [ -n "$WEBI_SINGLE" ] || [ "single" = "${1:-}" ]; then
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rm -rf "$pkg_dst_cmd"
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ln -s "$pkg_src_cmd" "$pkg_dst_cmd"
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else
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# 'pkg_dst' will default to $HOME/.local/opt/<pkg>
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# 'pkg_src' will be the installed version, such as to $HOME/.local/opt/<pkg>-<version>
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rm -rf "$pkg_dst"
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ln -s "$pkg_src" "$pkg_dst"
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fi
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}
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# detect if this program is already installed or if an installed version may cause conflict
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webi_check() {
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# Test for existing version
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set +e
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my_path="$PATH"
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PATH="$(dirname "$pkg_dst_cmd"):$PATH"
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export PATH
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my_current_cmd="$(command -v "$pkg_cmd_name")"
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set -e
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if [ -n "$my_current_cmd" ]; then
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my_canonical_name="$(_webi_canonical_name)"
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if [ "$my_current_cmd" != "$pkg_dst_cmd" ]; then
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echo >&2 "WARN: possible PATH conflict between $my_canonical_name and currently installed version"
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echo >&2 " ${pkg_dst_cmd} (new)"
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echo >&2 " ${my_current_cmd} (existing)"
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#my_current_version=false
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fi
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# 'readlink' can't read links in paths on macOS 🤦
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# but that's okay, 'cmp -s' is good enough for us
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if cmp -s "${pkg_src_cmd}" "${my_current_cmd}"; then
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echo "${my_canonical_name} already installed:"
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printf " %s" "${pkg_dst}"
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if [ "${pkg_src_cmd}" != "${my_current_cmd}" ]; then
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printf " => %s" "${pkg_src}"
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fi
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echo ""
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exit 0
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fi
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if [ -x "$pkg_src_cmd" ]; then
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# shellcheck disable=2119
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# this function takes no args
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webi_link
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echo "switched to $my_canonical_name:"
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echo " ${pkg_dst} => ${pkg_src}"
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exit 0
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fi
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fi
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export PATH="$my_path"
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}
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is_interactive_shell() {
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# $- shows shell flags (error,unset,interactive,etc)
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case $- in
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*i*)
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# true
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return 0
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;;
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*)
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# false
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return 1
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;;
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esac
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}
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# detect if file is downloaded, and how to download it
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webi_download() {
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# determine the url to download
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if [ -n "${1:-}" ]; then
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my_url="$1"
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else
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if [ "error" = "$WEBI_CHANNEL" ]; then
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# TODO pass back requested OS / Arch / Version
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echo >&2 "Error: no '$PKG_NAME' release for '${WEBI_OS:-}' on '$WEBI_ARCH' as one of '$WEBI_FORMATS' by the tag '${WEBI_TAG:-}'"
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echo >&2 " '$PKG_NAME' is available for '$PKG_OSES' on '$PKG_ARCHES' as one of '$PKG_FORMATS'"
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echo >&2 " (check that the package name and version are correct)"
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echo >&2 ""
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echo >&2 " Double check at $(echo "$WEBI_RELEASES" | sed 's:\?.*::')"
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echo >&2 ""
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exit 1
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fi
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my_url="$WEBI_PKG_URL"
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fi
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# determine the location to download to
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if [ -n "${2:-}" ]; then
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my_dl="$2"
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else
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my_dl="${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
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fi
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WEBI_PKG_DOWNLOAD="${my_dl}"
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export WEBI_PKG_DOWNLOAD
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if [ -e "$my_dl" ]; then
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echo "Found $my_dl"
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return 0
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fi
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echo "Downloading $PKG_NAME from"
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echo "$my_url"
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# It's only 2020, we can't expect to have reliable CLI tools
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# to tell us the size of a file as part of a base system...
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if [ -n "$WEBI_WGET" ]; then
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# wget has resumable downloads
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# TODO wget -c --content-disposition "$my_url"
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set +e
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my_show_progress=""
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if is_interactive_shell; then
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my_show_progress="--show-progress"
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fi
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if ! wget -q $my_show_progress --user-agent="wget $WEBI_UA" -c "$my_url" -O "$my_dl.part"; then
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echo >&2 "failed to download from $WEBI_PKG_URL"
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exit 1
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fi
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set -e
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else
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# Neither GNU nor BSD curl have sane resume download options, hence we don't bother
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# TODO curl -fsSL --remote-name --remote-header-name --write-out "$my_url"
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my_show_progress="-#"
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if is_interactive_shell; then
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my_show_progress=""
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fi
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# shellcheck disable=SC2086
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# we want the flags to be split
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curl -fSL $my_show_progress -H "User-Agent: curl $WEBI_UA" "$my_url" -o "$my_dl.part"
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fi
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mv "$my_dl.part" "$my_dl"
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echo ""
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echo "Saved as $my_dl"
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}
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# detect which archives can be used
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webi_extract() {
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(
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cd "$WEBI_TMP" > /dev/null 2>&1
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if [ "tar" = "$WEBI_EXT" ]; then
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echo "Extracting ${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
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tar xf "${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
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elif [ "zip" = "$WEBI_EXT" ]; then
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echo "Extracting ${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
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unzip "${WEBI_PKG_PATH}/$WEBI_PKG_FILE" > __unzip__.log
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elif [ "exe" = "$WEBI_EXT" ]; then
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echo "Moving ${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
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mv "${WEBI_PKG_PATH}/$WEBI_PKG_FILE" .
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elif [ "xz" = "$WEBI_EXT" ]; then
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echo "Inflating ${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
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unxz -c "${WEBI_PKG_PATH}/$WEBI_PKG_FILE" > "$(basename "$WEBI_PKG_FILE")"
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else
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# do nothing
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echo "Failed to extract ${WEBI_PKG_PATH}/$WEBI_PKG_FILE"
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exit 1
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fi
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)
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}
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# use 'pathman' to update $HOME/.config/envman/PATH.env
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webi_path_add() {
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# make sure that we don't recursively install pathman with webi
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my_path="$PATH"
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export PATH="$HOME/.local/bin:$PATH"
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# install pathman if not already installed
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if [ -z "$(command -v pathman)" ]; then
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"$HOME/.local/bin/webi" pathman > /dev/null
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fi
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export PATH="$my_path"
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# in case pathman was recently installed and the PATH not updated
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mkdir -p "$_webi_tmp"
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# 'true' to prevent "too few arguments" output on bash
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# when there are 0 lines of stdout
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"$HOME/.local/bin/pathman" add "$1" |
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grep "export" 2> /dev/null \
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>> "$_webi_tmp/.PATH.env" ||
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true
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}
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# group common pre-install tasks as default
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webi_pre_install() {
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webi_check
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webi_download
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webi_extract
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}
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# move commands from the extracted archive directory to $HOME/.local/opt or $HOME/.local/bin
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# shellcheck disable=2120
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# webi_install may be sourced and used elsewhere
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webi_install() {
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if [ -n "$WEBI_SINGLE" ] || [ "single" = "${1:-}" ]; then
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mkdir -p "$(dirname "$pkg_src_cmd")"
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mv ./"$pkg_cmd_name"* "$pkg_src_cmd"
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else
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rm -rf "$pkg_src"
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mv ./"$pkg_cmd_name"* "$pkg_src"
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fi
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}
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# run post-install functions - just updating PATH by default
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webi_post_install() {
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webi_path_add "$(dirname "$pkg_dst_cmd")"
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}
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_webi_enable_exec() {
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if [ -n "$(command -v spctl)" ] && [ -n "$(command -v xattr)" ]; then
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# note: some packages contain files that cannot be affected by xattr
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xattr -r -d com.apple.quarantine "$pkg_src" || true
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return 0
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fi
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# TODO need to test that the above actually worked
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# (and proceed to this below if it did not)
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if [ -n "$(command -v spctl)" ]; then
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echo "Checking permission to execute '$pkg_cmd_name' on macOS 11+"
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set +e
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is_allowed="$(spctl -a "$pkg_src_cmd" 2>&1 | grep valid)"
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set -e
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if [ -z "$is_allowed" ]; then
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echo ""
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echo "##########################################"
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echo "# IMPORTANT: Permission Grant Required #"
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echo "##########################################"
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echo ""
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echo "Requesting permission to execute '$pkg_cmd_name' on macOS 10.14+"
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echo ""
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sleep 3
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spctl --add "$pkg_src_cmd"
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fi
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fi
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}
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# a friendly message when all is well, showing the final install path in $HOME/.local
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_webi_done_message() {
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echo "Installed $(_webi_canonical_name) as $pkg_dst_cmd"
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}
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##
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##
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## BEGIN custom override functions from <package>/install.sh
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##
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##
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WEBI_SINGLE=
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if [ -z "${WEBI_WELCOME:-}" ]; then
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echo ""
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printf "Thanks for using webi to install '\e[32m${WEBI_PKG:-}\e[0m' on '\e[31m$(uname -s)/$(uname -m)\e[0m'.\n"
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echo "Have a problem? Experience a bug? Please let us know:"
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echo " https://github.com/webinstall/webi-installers/issues"
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echo ""
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printf "\e[31mLovin'\e[0m it? Say thanks with a \e[34mStar on GitHub\e[0m:\n"
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printf " \e[32mhttps://github.com/webinstall/webi-installers\e[0m\n"
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echo ""
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fi
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__init_installer() {
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# do nothing - to satisfy parser prior to templating
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printf ""
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# {{ installer }}
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}
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__init_installer
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##
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##
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## END custom override functions
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##
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##
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# run everything with defaults or overrides as needed
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if command -v pkg_install > /dev/null ||
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command -v pkg_link > /dev/null ||
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command -v pkg_post_install > /dev/null ||
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command -v pkg_done_message > /dev/null ||
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command -v pkg_format_cmd_version > /dev/null ||
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[ -n "${WEBI_SINGLE:-}" ] ||
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[ -n "${pkg_cmd_name:-}" ] ||
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[ -n "${pkg_dst_cmd:-}" ] ||
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[ -n "${pkg_dst_dir:-}" ] ||
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[ -n "${pkg_dst:-}" ] ||
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[ -n "${pkg_src_cmd:-}" ] ||
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[ -n "${pkg_src_dir:-}" ] ||
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[ -n "${pkg_src:-}" ]; then
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pkg_cmd_name="${pkg_cmd_name:-$PKG_NAME}"
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if [ -n "$WEBI_SINGLE" ]; then
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pkg_dst_cmd="${pkg_dst_cmd:-$HOME/.local/bin/$pkg_cmd_name}"
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pkg_dst="$pkg_dst_cmd" # "$(dirname "$(dirname $pkg_dst_cmd)")"
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#pkg_src_cmd="${pkg_src_cmd:-$HOME/.local/opt/$pkg_cmd_name-v$WEBI_VERSION/bin/$pkg_cmd_name-v$WEBI_VERSION}"
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pkg_src_cmd="${pkg_src_cmd:-$HOME/.local/opt/$pkg_cmd_name-v$WEBI_VERSION/bin/$pkg_cmd_name}"
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pkg_src="$pkg_src_cmd" # "$(dirname "$(dirname $pkg_src_cmd)")"
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else
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pkg_dst="${pkg_dst:-$HOME/.local/opt/$pkg_cmd_name}"
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pkg_dst_cmd="${pkg_dst_cmd:-$pkg_dst/bin/$pkg_cmd_name}"
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pkg_src="${pkg_src:-$HOME/.local/opt/$pkg_cmd_name-v$WEBI_VERSION}"
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pkg_src_cmd="${pkg_src_cmd:-$pkg_src/bin/$pkg_cmd_name}"
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fi
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# this script is templated and these are used elsewhere
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# shellcheck disable=SC2034
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pkg_src_bin="$(dirname "$pkg_src_cmd")"
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# shellcheck disable=SC2034
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pkg_dst_bin="$(dirname "$pkg_dst_cmd")"
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if [ -n "$(command -v pkg_pre_install)" ]; then pkg_pre_install; else webi_pre_install; fi
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(
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cd "$WEBI_TMP" > /dev/null 2>&1
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echo "Installing to $pkg_src_cmd"
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if [ -n "$(command -v pkg_install)" ]; then pkg_install; else webi_install; fi
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chmod a+x "$pkg_src"
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chmod a+x "$pkg_src_cmd"
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)
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webi_link
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_webi_enable_exec
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(
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cd "$WEBI_TMP" > /dev/null 2>&1
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if [ -n "$(command -v pkg_post_install)" ]; then pkg_post_install; else webi_post_install; fi
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)
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(
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cd "$WEBI_TMP" > /dev/null 2>&1
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if [ -n "$(command -v pkg_done_message)" ]; then pkg_done_message; else _webi_done_message; fi
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)
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echo ""
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fi
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webi_path_add "$HOME/.local/bin"
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if [ -z "${_WEBI_CHILD:-}" ] && [ -f "$_webi_tmp/.PATH.env" ]; then
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if [ -n "$(cat "$_webi_tmp/.PATH.env")" ]; then
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printf 'PATH.env updated with:\n'
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sort -u "$_webi_tmp/.PATH.env"
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printf "\n"
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rm -f "$_webi_tmp/.PATH.env"
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printf "\e[31mTO FINISH\e[0m: copy, paste & run the following command:\n"
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printf "\n"
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printf " \e[34msource ~/.config/envman/PATH.env\e[0m\n"
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printf " (newly opened terminal windows will update automatically)\n"
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fi
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fi
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# cleanup the temp directory
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rm -rf "$WEBI_TMP"
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# See? No magic. Just downloading and moving files.
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}
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__bootstrap_webi
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