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#!/usr/bin/env bash
set -u
version=0.60.3
auto_completion=
key_bindings=
update_config=2
shells="bash zsh fish"
prefix='~/.fzf'
prefix_expand=~/.fzf
fish_dir=${XDG_CONFIG_HOME:-$HOME/.config}/fish
help() {
cat << EOF
usage: $0 [OPTIONS]
--help Show this message
--bin Download fzf binary only; Do not generate ~/.fzf.{bash,zsh}
--all Download fzf binary and update configuration files
to enable key bindings and fuzzy completion
--xdg Generate files under \$XDG_CONFIG_HOME/fzf
--[no-]key-bindings Enable/disable key bindings (CTRL-T, CTRL-R, ALT-C)
--[no-]completion Enable/disable fuzzy completion (bash & zsh)
--[no-]update-rc Whether or not to update shell configuration files
--no-bash Do not set up bash configuration
--no-zsh Do not set up zsh configuration
--no-fish Do not set up fish configuration
EOF
}
for opt in "$@"; do
case $opt in
--help)
help
exit 0
;;
--all)
auto_completion=1
key_bindings=1
update_config=1
;;
--xdg)
prefix='"${XDG_CONFIG_HOME:-$HOME/.config}"/fzf/fzf'
prefix_expand=${XDG_CONFIG_HOME:-$HOME/.config}/fzf/fzf
mkdir -p "${XDG_CONFIG_HOME:-$HOME/.config}/fzf"
;;
--key-bindings) key_bindings=1 ;;
--no-key-bindings) key_bindings=0 ;;
--completion) auto_completion=1 ;;
--no-completion) auto_completion=0 ;;
--update-rc) update_config=1 ;;
--no-update-rc) update_config=0 ;;
--bin) ;;
--no-bash) shells=${shells/bash/} ;;
--no-zsh) shells=${shells/zsh/} ;;
--no-fish) shells=${shells/fish/} ;;
*)
echo "unknown option: $opt"
help
exit 1
;;
esac
done
cd "$(dirname "${BASH_SOURCE[0]}")"
fzf_base=$(pwd)
fzf_base_esc=$(printf %q "$fzf_base")
ask() {
while true; do
read -p "$1 ([y]/n) " -r
REPLY=${REPLY:-"y"}
if [[ $REPLY =~ ^[Yy]$ ]]; then
return 1
elif [[ $REPLY =~ ^[Nn]$ ]]; then
return 0
fi
done
}
check_binary() {
echo -n " - Checking fzf executable ... "
local output
output=$(FZF_DEFAULT_OPTS= "$fzf_base"/bin/fzf --version 2>&1)
if [ $? -ne 0 ]; then
echo "Error: $output"
binary_error="Invalid binary"
else
output=${output/ */}
if [ "$version" != "$output" ]; then
echo "$output != $version"
binary_error="Invalid version"
else
echo "$output"
binary_error=""
return 0
fi
fi
rm -f "$fzf_base"/bin/fzf
return 1
}
link_fzf_in_path() {
if which_fzf="$(command -v fzf)"; then
echo " - Found in \$PATH"
echo " - Creating symlink: bin/fzf -> $which_fzf"
(cd "$fzf_base"/bin && rm -f fzf && ln -sf "$which_fzf" fzf)
check_binary && return
fi
return 1
}
try_curl() {
command -v curl > /dev/null &&
if [[ $1 =~ tar.gz$ ]]; then
curl -fL $1 | tar --no-same-owner -xzf -
else
local temp=${TMPDIR:-/tmp}/fzf.zip
curl -fLo "$temp" $1 && unzip -o "$temp" && rm -f "$temp"
fi
}
try_wget() {
command -v wget > /dev/null &&
if [[ $1 =~ tar.gz$ ]]; then
wget -O - $1 | tar --no-same-owner -xzf -
else
local temp=${TMPDIR:-/tmp}/fzf.zip
wget -O "$temp" $1 && unzip -o "$temp" && rm -f "$temp"
fi
}
download() {
echo "Downloading bin/fzf ..."
if [ -x "$fzf_base"/bin/fzf ]; then
echo " - Already exists"
check_binary && return
fi
link_fzf_in_path && return
mkdir -p "$fzf_base"/bin && cd "$fzf_base"/bin
if [ $? -ne 0 ]; then
binary_error="Failed to create bin directory"
return
fi
local url
url=https://github.com/junegunn/fzf/releases/download/v$version/${1}
set -o pipefail
if ! (try_curl $url || try_wget $url); then
set +o pipefail
binary_error="Failed to download with curl and wget"
return
fi
set +o pipefail
if [ ! -f fzf ]; then
binary_error="Failed to download ${1}"
return
fi
chmod +x fzf && check_binary
}
# Try to download binary executable
archi=$(uname -sm)
binary_available=1
binary_error=""
case "$archi" in
Darwin\ arm64) download fzf-$version-darwin_arm64.tar.gz ;;
Darwin\ x86_64) download fzf-$version-darwin_amd64.tar.gz ;;
Linux\ armv5*) download fzf-$version-linux_armv5.tar.gz ;;
Linux\ armv6*) download fzf-$version-linux_armv6.tar.gz ;;
Linux\ armv7*) download fzf-$version-linux_armv7.tar.gz ;;
Linux\ armv8*) download fzf-$version-linux_arm64.tar.gz ;;
Linux\ aarch64*) download fzf-$version-linux_arm64.tar.gz ;;
Linux\ loongarch64) download fzf-$version-linux_loong64.tar.gz ;;
Linux\ ppc64le) download fzf-$version-linux_ppc64le.tar.gz ;;
Linux\ *64) download fzf-$version-linux_amd64.tar.gz ;;
Linux\ s390x) download fzf-$version-linux_s390x.tar.gz ;;
FreeBSD\ *64) download fzf-$version-freebsd_amd64.tar.gz ;;
OpenBSD\ *64) download fzf-$version-openbsd_amd64.tar.gz ;;
CYGWIN*\ *64) download fzf-$version-windows_amd64.zip ;;
MINGW*\ *64) download fzf-$version-windows_amd64.zip ;;
MSYS*\ *64) download fzf-$version-windows_amd64.zip ;;
Windows*\ *64) download fzf-$version-windows_amd64.zip ;;
*) binary_available=0 binary_error=1 ;;
esac
cd "$fzf_base"
if [ -n "$binary_error" ]; then
if [ $binary_available -eq 0 ]; then
echo "No prebuilt binary for $archi ..."
else
echo " - $binary_error !!!"
fi
if command -v go > /dev/null; then
echo -n "Building binary (go install github.com/junegunn/fzf) ... "
if [ -z "${GOPATH-}" ]; then
export GOPATH="${TMPDIR:-/tmp}/fzf-gopath"
mkdir -p "$GOPATH"
fi
if go install -ldflags "-s -w -X main.version=$version -X main.revision=go-install" github.com/junegunn/fzf; then
echo "OK"
cp "$GOPATH/bin/fzf" "$fzf_base/bin/"
else
echo "Failed to build binary. Installation failed."
exit 1
fi
else
echo "go executable not found. Installation failed."
exit 1
fi
fi
[[ "$*" =~ "--bin" ]] && exit 0
for s in $shells; do
if ! command -v "$s" > /dev/null; then
shells=${shells/$s/}
fi
done
if [[ ${#shells} -lt 3 ]]; then
echo "No shell configuration to be updated."
exit 0
fi
# Auto-completion
if [ -z "$auto_completion" ]; then
ask "Do you want to enable fuzzy auto-completion?"
auto_completion=$?
fi
# Key-bindings
if [ -z "$key_bindings" ]; then
ask "Do you want to enable key bindings?"
key_bindings=$?
fi
echo
for shell in $shells; do
[[ "$shell" = fish ]] && continue
src=${prefix_expand}.${shell}
echo -n "Generate $src ... "
fzf_completion="source \"$fzf_base/shell/completion.${shell}\""
if [ $auto_completion -eq 0 ]; then
fzf_completion="# $fzf_completion"
fi
fzf_key_bindings="source \"$fzf_base/shell/key-bindings.${shell}\""
if [ $key_bindings -eq 0 ]; then
fzf_key_bindings="# $fzf_key_bindings"
fi
cat > "$src" << EOF
# Setup fzf
# ---------
if [[ ! "\$PATH" == *$fzf_base_esc/bin* ]]; then
PATH="\${PATH:+\${PATH}:}$fzf_base/bin"
fi
EOF
if [[ $auto_completion -eq 1 ]] && [[ $key_bindings -eq 1 ]]; then
if [[ "$shell" = zsh ]]; then
echo "source <(fzf --$shell)" >> "$src"
else
echo "eval \"\$(fzf --$shell)\"" >> "$src"
fi
else
cat >> "$src" << EOF
# Auto-completion
# ---------------
$fzf_completion
# Key bindings
# ------------
$fzf_key_bindings
EOF
fi
echo "OK"
done
# fish
if [[ "$shells" =~ fish ]]; then
echo -n "Update fish_user_paths ... "
fish << EOF
echo \$fish_user_paths | \grep "$fzf_base"/bin > /dev/null
or set --universal fish_user_paths \$fish_user_paths "$fzf_base"/bin
EOF
[ $? -eq 0 ] && echo "OK" || echo "Failed"
fi
append_line() {
local update line file pat lines
update="$1"
line="$2"
file="$3"
pat="${4:-}"
lines=""
echo "Update $file:"
echo " - $line"
if [ -f "$file" ]; then
if [ $# -lt 4 ]; then
lines=$(\grep -nF "$line" "$file")
else
lines=$(\grep -nF "$pat" "$file")
fi
fi
if [ -n "$lines" ]; then
echo " - Already exists:"
sed 's/^/ Line /' <<< "$lines"
update=0
if ! \grep -qv "^[0-9]*:[[:space:]]*#" <<< "$lines" ; then
echo " - But they all seem to be commented"
ask " - Continue modifying $file?"
update=$?
fi
fi
set -e
if [ "$update" -eq 1 ]; then
[ -f "$file" ] && echo >> "$file"
echo "$line" >> "$file"
echo " + Added"
else
echo " ~ Skipped"
fi
echo
set +e
}
create_file() {
local file="$1"
shift
echo "Create $file:"
for line in "$@"; do
echo " $line"
echo "$line" >> "$file"
done
echo
}
if [ $update_config -eq 2 ]; then
echo
ask "Do you want to update your shell configuration files?"
update_config=$?
fi
echo
for shell in $shells; do
[[ "$shell" = fish ]] && continue
[ $shell = zsh ] && dest=${ZDOTDIR:-~}/.zshrc || dest=~/.bashrc
append_line $update_config "[ -f ${prefix}.${shell} ] && source ${prefix}.${shell}" "$dest" "${prefix}.${shell}"
done
if [ $key_bindings -eq 1 ] && [[ "$shells" =~ fish ]]; then
bind_file="${fish_dir}/functions/fish_user_key_bindings.fish"
if [ ! -e "$bind_file" ]; then
mkdir -p "${fish_dir}/functions"
create_file "$bind_file" \
'function fish_user_key_bindings' \
' fzf --fish | source' \
'end'
else
echo "Check $bind_file:"
lno=$(\grep -nF "fzf_key_bindings" "$bind_file" | sed 's/:.*//' | tr '\n' ' ')
if [[ -n $lno ]]; then
echo " ** Found 'fzf_key_bindings' in line #$lno"
echo " ** You have to replace the line to 'fzf --fish | source'"
echo
else
echo " - Clear"
echo
append_line $update_config "fzf --fish | source" "$bind_file"
fi
fi
fi
if [ $update_config -eq 1 ]; then
echo 'Finished. Restart your shell or reload config file.'
if [[ "$shells" =~ bash ]]; then
echo -n ' source ~/.bashrc # bash'
[[ "$archi" =~ Darwin ]] && echo -n ' (.bashrc should be loaded from .bash_profile)'
echo
fi
[[ "$shells" =~ zsh ]] && echo " source ${ZDOTDIR:-~}/.zshrc # zsh"
[[ "$shells" =~ fish ]] && [ $key_bindings -eq 1 ] && echo ' fzf_key_bindings # fish'
echo
echo 'Use uninstall script to remove fzf.'
echo
fi
echo 'For more information, see: https://github.com/junegunn/fzf'