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vim-ale/_webi/template.sh
AJ ONeal 8e3cc6d1a8 remove top-level pre-expansion
2020-10-05 23:07:22 +00:00

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#!/bin/bash
function __bootstrap_webi() {
set -e
set -u
#set -x
#WEBI_PKG=
#PKG_NAME=
# TODO should this be BASEURL instead?
#WEBI_OS=
#WEBI_ARCH=
#WEBI_HOST=
#WEBI_RELEASES=
#WEBI_CSV=
#WEBI_TAG=
#WEBI_VERSION=
#WEBI_MAJOR=
#WEBI_MINOR=
#WEBI_PATCH=
# TODO not sure if BUILD is the best name for this
#WEBI_BUILD=
#WEBI_LTS=
#WEBI_CHANNEL=
#WEBI_EXT=
#WEBI_FORMATS=
#WEBI_PKG_URL=
#WEBI_PKG_FILE=
#PKG_OSES=
#PKG_ARCHES=
#PKG_FORMATS=
WEBI_UA="$(uname -a)"
export WEBI_HOST
##
## Set up tmp, download, and install directories
##
WEBI_TMP=${WEBI_TMP:-"$(mktemp -d -t webinstall-${WEBI_PKG:-}.XXXXXXXX)"}
export _webi_tmp="${_webi_tmp:-"$HOME/.local/opt/webi-tmp.d"}"
mkdir -p "$HOME/Downloads"
mkdir -p "$HOME/.local/bin"
mkdir -p "$HOME/.local/opt"
##
## Detect http client
##
set +e
export WEBI_CURL="$(command -v curl)"
export WEBI_WGET="$(command -v wget)"
set -e
# get the special formatted version (i.e. "go is go1.14" while node is "node v12.10.8")
my_versioned_name=""
_webi_canonical_name() {
if [ -n "$my_versioned_name" ]; then
echo "$my_versioned_name"
return 0
fi
if [ -n "$(command -v pkg_format_cmd_version)" ]; then
my_versioned_name="$(pkg_format_cmd_version "$WEBI_VERSION")"
else
my_versioned_name="'$pkg_cmd_name' v$WEBI_VERSION"
fi
echo "$my_versioned_name"
}
# update symlinks according to $HOME/.local/opt and $HOME/.local/bin install paths.
webi_link() {
if [ -n "$(command -v pkg_link)" ]; then
pkg_link
return 0
fi
if [ -n "$WEBI_SINGLE" ] || [ "single" == "${1:-}" ]; then
rm -rf "$pkg_dst_cmd"
ln -s "$pkg_src_cmd" "$pkg_dst_cmd"
else
# 'pkg_dst' will default to $HOME/.local/opt/<pkg>
# 'pkg_src' will be the installed version, such as to $HOME/.local/opt/<pkg>-<version>
rm -rf "$pkg_dst"
ln -s "$pkg_src" "$pkg_dst"
fi
}
# detect if this program is already installed or if an installed version may cause conflict
webi_check() {
# Test for existing version
set +e
my_path="$PATH"
export PATH="$(dirname "$pkg_dst_cmd"):$PATH"
my_current_cmd="$(command -v "$pkg_cmd_name")"
set -e
if [ -n "$my_current_cmd" ]; then
pkg_current_version="$(pkg_get_current_version 2>/dev/null | head -n 1)"
# remove trailing '.0's for golang's sake
my_current_version="$(echo $pkg_current_version | sed 's:\.0::g')"
my_src_version="$(echo $WEBI_VERSION | sed 's:\.0::g')"
my_canonical_name="$(_webi_canonical_name)"
if [ "$my_src_version" == "$my_current_version" ]; then
echo "$my_canonical_name already installed at $my_current_cmd"
exit 0
else
if [ "$my_current_cmd" != "$pkg_dst_cmd" ]; then
>&2 echo "WARN: possible conflict between $my_canonical_name and $pkg_current_version at $my_current_cmd"
fi
if [ -x "$pkg_src_cmd" ]; then
webi_link
echo "switched to $my_canonical_name at $pkg_src"
exit 0
fi
fi
fi
export PATH="$my_path"
}
# detect if file is downloaded, and how to download it
webi_download() {
if [ -n "${1:-}" ]; then
my_url="$1"
else
if [ "error" == "$WEBI_CHANNEL" ]; then
# TODO pass back requested OS / Arch / Version
>&2 echo "Error: no '$PKG_NAME' release for '$WEBI_OS' on '$WEBI_ARCH' as one of '$WEBI_FORMATS' by the tag '$WEBI_TAG'"
>&2 echo " '$PKG_NAME' is available for '$PKG_OSES' on '$PKG_ARCHES' as one of '$PKG_FORMATS'"
>&2 echo " (check that the package name and version are correct)"
>&2 echo ""
>&2 echo " Double check at $(echo "$WEBI_RELEASES" | sed 's:\?.*::')"
>&2 echo ""
exit 1
fi
my_url="$WEBI_PKG_URL"
fi
if [ -n "${2:-}" ]; then
my_dl="$2"
else
my_dl="$HOME/Downloads/$WEBI_PKG_FILE"
fi
if [ -e "$my_dl" ]; then
echo "Found $my_dl"
return 0
fi
echo "Downloading $PKG_NAME from"
echo "$my_url"
# It's only 2020, we can't expect to have reliable CLI tools
# to tell us the size of a file as part of a base system...
if [ -n "$WEBI_WGET" ]; then
# wget has resumable downloads
# TODO wget -c --content-disposition "$my_url"
set +e
wget -q --show-progress --user-agent="wget $WEBI_UA" -c "$my_url" -O "$my_dl.part"
if ! [ $? -eq 0 ]; then
>&2 echo "failed to download from $WEBI_PKG_URL"
exit 1
fi
set -e
else
# Neither GNU nor BSD curl have sane resume download options, hence we don't bother
# TODO curl -fsSL --remote-name --remote-header-name --write-out "$my_url"
curl -fSL -H "User-Agent: curl $WEBI_UA" "$my_url" -o "$my_dl.part"
fi
mv "$my_dl.part" "$my_dl"
echo ""
echo "Saved as $my_dl"
}
# detect which archives can be used
webi_extract() {
pushd "$WEBI_TMP" 2>&1 >/dev/null
if [ "tar" == "$WEBI_EXT" ]; then
echo "Extracting $HOME/Downloads/$WEBI_PKG_FILE"
tar xf "$HOME/Downloads/$WEBI_PKG_FILE"
elif [ "zip" == "$WEBI_EXT" ]; then
echo "Extracting $HOME/Downloads/$WEBI_PKG_FILE"
unzip "$HOME/Downloads/$WEBI_PKG_FILE" > __unzip__.log
elif [ "exe" == "$WEBI_EXT" ]; then
echo "Moving $HOME/Downloads/$WEBI_PKG_FILE"
mv "$HOME/Downloads/$WEBI_PKG_FILE" .
elif [ "xz" == "$WEBI_EXT" ]; then
echo "Inflating $HOME/Downloads/$WEBI_PKG_FILE"
unxz -c "$HOME/Downloads/$WEBI_PKG_FILE" > $(basename "$WEBI_PKG_FILE")
else
# do nothing
echo "Failed to extract $HOME/Downloads/$WEBI_PKG_FILE"
exit 1
fi
popd 2>&1 >/dev/null
}
# use 'pathman' to update $HOME/.config/envman/PATH.env
webi_path_add() {
# make sure that we don't recursively install pathman with webi
my_path="$PATH"
export PATH="$HOME/.local/bin:$PATH"
# install pathman if not already installed
if [ -z "$(command -v pathman)" ]; then
"$HOME/.local/bin/webi" pathman > /dev/null
fi
export PATH="$my_path"
# in case pathman was recently installed and the PATH not updated
mkdir -p "$_webi_tmp"
# prevent "too few arguments" output on bash when there are 0 lines of stdout
"$HOME/.local/bin/pathman" add "$1" | grep "export" 2>/dev/null >> "$_webi_tmp/.PATH.env" || true
}
# group common pre-install tasks as default
webi_pre_install() {
webi_check
webi_download
webi_extract
}
# move commands from the extracted archive directory to $HOME/.local/opt or $HOME/.local/bin
webi_install() {
if [ -n "$WEBI_SINGLE" ] || [ "single" == "${1:-}" ]; then
mkdir -p "$(dirname $pkg_src_cmd)"
mv ./"$pkg_cmd_name"* "$pkg_src_cmd"
else
rm -rf "$pkg_src"
mv ./"$pkg_cmd_name"* "$pkg_src"
fi
}
# run post-install functions - just updating PATH by default
webi_post_install() {
webi_path_add "$(dirname "$pkg_dst_cmd")"
}
_webi_enable_exec() {
if [ -n "$(command -v spctl)" ] && [ -n "$(command -v xattr)" ] ; then
# note: some packages contain files that cannot be affected by xattr
xattr -r -d com.apple.quarantine "$pkg_src" || true
return 0
fi
# TODO need to test that the above actually worked
# (and proceed to this below if it did not)
if [ -n "$(command -v spctl)" ]; then
echo "Checking permission to execute '$pkg_cmd_name' on macOS 11+"
set +e
is_allowed="$(spctl -a "$pkg_src_cmd" 2>&1 | grep valid)"
set -e
if [ -z "$is_allowed" ]; then
echo ""
echo "##########################################"
echo "# IMPORTANT: Permission Grant Required #"
echo "##########################################"
echo ""
echo "Requesting permission to execute '$pkg_cmd_name' on macOS 10.14+"
echo ""
sleep 3
spctl --add "$pkg_src_cmd"
fi
fi
}
# a friendly message when all is well, showing the final install path in $HOME/.local
_webi_done_message() {
echo "Installed $(_webi_canonical_name) as $pkg_dst_cmd"
}
##
##
## BEGIN custom override functions from <package>/install.sh
##
##
WEBI_SINGLE=
echo ""
echo "Thanks for using webi to install '$PKG_NAME' on '$WEBI_OS/$WEBI_ARCH'."
echo "Have a problem? Experience a bug? Please let us know:"
echo " https://github.com/webinstall/packages/issues"
echo ""
function __init_installer() {
{{ installer }}
}
__init_installer
##
##
## END custom override functions
##
##
# run everything with defaults or overrides as needed
if [ -n "$(command -v pkg_get_current_version)" ]; then
pkg_cmd_name="${pkg_cmd_name:-$PKG_NAME}"
if [ -n "$WEBI_SINGLE" ]; then
pkg_dst_cmd="${pkg_dst_cmd:-$HOME/.local/bin/$pkg_cmd_name}"
pkg_dst="$pkg_dst_cmd" # "$(dirname "$(dirname $pkg_dst_cmd)")"
#pkg_src_cmd="${pkg_src_cmd:-$HOME/.local/opt/$pkg_cmd_name-v$WEBI_VERSION/bin/$pkg_cmd_name-v$WEBI_VERSION}"
pkg_src_cmd="${pkg_src_cmd:-$HOME/.local/opt/$pkg_cmd_name-v$WEBI_VERSION/bin/$pkg_cmd_name}"
pkg_src="$pkg_src_cmd" # "$(dirname "$(dirname $pkg_src_cmd)")"
else
pkg_dst="${pkg_dst:-$HOME/.local/opt/$pkg_cmd_name}"
pkg_dst_cmd="${pkg_dst_cmd:-$pkg_dst/bin/$pkg_cmd_name}"
pkg_src="${pkg_src:-$HOME/.local/opt/$pkg_cmd_name-v$WEBI_VERSION}"
pkg_src_cmd="${pkg_src_cmd:-$pkg_src/bin/$pkg_cmd_name}"
fi
pkg_src_bin="$(dirname "$pkg_src_cmd")"
pkg_dst_bin="$(dirname "$pkg_dst_cmd")"
[ -n "$(command -v pkg_pre_install)" ] && pkg_pre_install || webi_pre_install
pushd "$WEBI_TMP" 2>&1 >/dev/null
echo "Installing to $pkg_src_cmd"
[ -n "$(command -v pkg_install)" ] && pkg_install || webi_install
chmod a+x "$pkg_src"
chmod a+x "$pkg_src_cmd"
popd 2>&1 >/dev/null
webi_link
_webi_enable_exec
pushd "$WEBI_TMP" 2>&1 >/dev/null
[ -n "$(command -v pkg_post_install)" ] && pkg_post_install || webi_post_install
popd 2>&1 >/dev/null
pushd "$WEBI_TMP" 2>&1 >/dev/null
[ -n "$(command -v pkg_done_message)" ] && pkg_done_message || _webi_done_message
popd 2>&1 >/dev/null
echo ""
fi
webi_path_add "$HOME/.local/bin"
if [ -z "${_WEBI_CHILD:-}" ] && [ -f "\$_webi_tmp/.PATH.env" ]; then
echo "You need to update your PATH to use $PKG_NAME:"
echo ""
cat "$_webi_tmp/.PATH.env" | sort -u
rm -f "$_webi_tmp/.PATH.env"
fi
# cleanup the temp directory
rm -rf "$WEBI_TMP"
# See? No magic. Just downloading and moving files.
}
__bootstrap_webi
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