mirror of
https://github.com/Llewellynvdm/fzf.git
synced 2024-11-14 09:24:03 +00:00
327 lines
8.5 KiB
Bash
Executable File
327 lines
8.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -u
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version=0.16.5
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auto_completion=
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key_bindings=
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update_config=2
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binary_arch=
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allow_legacy=
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help() {
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cat << EOF
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usage: $0 [OPTIONS]
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--help Show this message
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--bin Download fzf binary only; Do not generate ~/.fzf.{bash,zsh}
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--all Download fzf binary and update configuration files
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to enable key bindings and fuzzy completion
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--[no-]key-bindings Enable/disable key bindings (CTRL-T, CTRL-R, ALT-C)
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--[no-]completion Enable/disable fuzzy completion (bash & zsh)
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--[no-]update-rc Whether or not to update shell configuration files
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--32 Download 32-bit binary
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--64 Download 64-bit binary
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EOF
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}
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for opt in "$@"; do
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case $opt in
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--help)
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help
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exit 0
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;;
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--all)
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auto_completion=1
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key_bindings=1
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update_config=1
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allow_legacy=1
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;;
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--key-bindings) key_bindings=1 ;;
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--no-key-bindings) key_bindings=0 ;;
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--completion) auto_completion=1 ;;
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--no-completion) auto_completion=0 ;;
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--update-rc) update_config=1 ;;
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--no-update-rc) update_config=0 ;;
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--32) binary_arch=386 ;;
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--64) binary_arch=amd64 ;;
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--bin) ;;
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*)
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echo "unknown option: $opt"
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help
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exit 1
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;;
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esac
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done
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cd "$(dirname "${BASH_SOURCE[0]}")"
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fzf_base="$(pwd)"
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ask() {
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# If stdin is a tty, we are "interactive".
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# non-interactive shell: wait for a linefeed
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# interactive shell: continue after a single keypress
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read_n=$([ -t 0 ] && echo "-n 1")
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read -p "$1 ([y]/n) " $read_n -r
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echo
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[[ $REPLY =~ ^[Nn]$ ]]
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}
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check_binary() {
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echo -n " - Checking fzf executable ... "
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local output
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output=$("$fzf_base"/bin/fzf --version 2>&1)
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if [ $? -ne 0 ]; then
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echo "Error: $output"
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binary_error="Invalid binary"
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elif [ "$version" != "$output" ]; then
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echo "$output != $version"
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binary_error="Invalid version"
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else
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echo "$output"
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binary_error=""
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return 0
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fi
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rm -f "$fzf_base"/bin/fzf
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return 1
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}
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link_fzf_in_path() {
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if which_fzf="$(command -v fzf)"; then
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echo " - Found in \$PATH"
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echo " - Creating symlink: $which_fzf -> bin/fzf"
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(cd "$fzf_base"/bin && rm -f fzf && ln -sf "$which_fzf" fzf)
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check_binary && return
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fi
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return 1
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}
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try_curl() {
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command -v curl > /dev/null && curl -fL $1 | tar -xz
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}
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try_wget() {
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command -v wget > /dev/null && wget -O - $1 | tar -xz
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}
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download() {
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echo "Downloading bin/fzf ..."
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if [[ ! "$version" =~ alpha ]]; then
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if [ -x "$fzf_base"/bin/fzf ]; then
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echo " - Already exists"
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check_binary && return
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fi
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link_fzf_in_path && return
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fi
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mkdir -p "$fzf_base"/bin && cd "$fzf_base"/bin
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if [ $? -ne 0 ]; then
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binary_error="Failed to create bin directory"
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return
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fi
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local url
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[[ "$version" =~ alpha ]] &&
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url=https://github.com/junegunn/fzf-bin/releases/download/alpha/${1}.tgz ||
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url=https://github.com/junegunn/fzf-bin/releases/download/$version/${1}.tgz
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set -o pipefail
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if ! (try_curl $url || try_wget $url); then
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set +o pipefail
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binary_error="Failed to download with curl and wget"
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return
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fi
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set +o pipefail
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if [ ! -f fzf ]; then
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binary_error="Failed to download ${1}"
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return
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fi
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chmod +x fzf && check_binary
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}
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# Try to download binary executable
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archi=$(uname -sm)
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binary_available=1
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binary_error=""
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case "$archi" in
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Darwin\ *64) download fzf-$version-darwin_${binary_arch:-amd64} ;;
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Darwin\ *86) download fzf-$version-darwin_${binary_arch:-386} ;;
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Linux\ *64) download fzf-$version-linux_${binary_arch:-amd64} ;;
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Linux\ *86) download fzf-$version-linux_${binary_arch:-386} ;;
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Linux\ armv5*) download fzf-$version-linux_${binary_arch:-arm5} ;;
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Linux\ armv6*) download fzf-$version-linux_${binary_arch:-arm6} ;;
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Linux\ armv7*) download fzf-$version-linux_${binary_arch:-arm7} ;;
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Linux\ armv8*) download fzf-$version-linux_${binary_arch:-arm8} ;;
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FreeBSD\ *64) download fzf-$version-freebsd_${binary_arch:-amd64} ;;
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FreeBSD\ *86) download fzf-$version-freebsd_${binary_arch:-386} ;;
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OpenBSD\ *64) download fzf-$version-openbsd_${binary_arch:-amd64} ;;
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OpenBSD\ *86) download fzf-$version-openbsd_${binary_arch:-386} ;;
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*) binary_available=0 binary_error=1 ;;
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esac
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cd "$fzf_base"
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if [ -n "$binary_error" ]; then
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if [ $binary_available -eq 0 ]; then
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echo "No prebuilt binary for $archi ..."
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else
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echo " - $binary_error !!!"
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fi
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if command -v go > /dev/null; then
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echo -n "Building binary (go get -u github.com/junegunn/fzf/src/fzf) ... "
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if [ -z "${GOPATH-}" ]; then
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export GOPATH="${TMPDIR:-/tmp}/fzf-gopath"
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mkdir -p "$GOPATH"
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fi
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if go get -u github.com/junegunn/fzf/src/fzf; then
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echo "OK"
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cp "$GOPATH/bin/fzf" "$fzf_base/bin/"
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else
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echo "Failed to build binary. Installation failed."
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exit 1
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fi
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else
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echo "go executable not found. Installation failed."
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exit 1
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fi
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fi
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[[ "$*" =~ "--bin" ]] && exit 0
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# Auto-completion
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if [ -z "$auto_completion" ]; then
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ask "Do you want to enable fuzzy auto-completion?"
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auto_completion=$?
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fi
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# Key-bindings
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if [ -z "$key_bindings" ]; then
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ask "Do you want to enable key bindings?"
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key_bindings=$?
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fi
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echo
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has_zsh=$(command -v zsh > /dev/null && echo 1 || echo 0)
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shells=$([ $has_zsh -eq 1 ] && echo "bash zsh" || echo "bash")
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for shell in $shells; do
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echo -n "Generate ~/.fzf.$shell ... "
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src=~/.fzf.${shell}
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fzf_completion="[[ \$- == *i* ]] && source \"$fzf_base/shell/completion.${shell}\" 2> /dev/null"
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if [ $auto_completion -eq 0 ]; then
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fzf_completion="# $fzf_completion"
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fi
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fzf_key_bindings="source \"$fzf_base/shell/key-bindings.${shell}\""
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if [ $key_bindings -eq 0 ]; then
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fzf_key_bindings="# $fzf_key_bindings"
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fi
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cat > $src << EOF
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# Setup fzf
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# ---------
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if [[ ! "\$PATH" == *$fzf_base/bin* ]]; then
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export PATH="\$PATH:$fzf_base/bin"
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fi
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# Auto-completion
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# ---------------
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$fzf_completion
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# Key bindings
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# ------------
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$fzf_key_bindings
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EOF
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echo "OK"
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done
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# fish
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has_fish=$(command -v fish > /dev/null && echo 1 || echo 0)
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if [ $has_fish -eq 1 ]; then
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echo -n "Update fish_user_paths ... "
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fish << EOF
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echo \$fish_user_paths | grep $fzf_base/bin > /dev/null
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or set --universal fish_user_paths \$fish_user_paths $fzf_base/bin
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EOF
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[ $? -eq 0 ] && echo "OK" || echo "Failed"
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mkdir -p ~/.config/fish/functions
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if [ -e ~/.config/fish/functions/fzf.fish ]; then
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echo -n "Remove unnecessary ~/.config/fish/functions/fzf.fish ... "
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rm -f ~/.config/fish/functions/fzf.fish && echo "OK" || echo "Failed"
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fi
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fish_binding=~/.config/fish/functions/fzf_key_bindings.fish
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if [ $key_bindings -ne 0 ]; then
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echo -n "Symlink $fish_binding ... "
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ln -sf "$fzf_base/shell/key-bindings.fish" \
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"$fish_binding" && echo "OK" || echo "Failed"
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else
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echo -n "Removing $fish_binding ... "
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rm -f "$fish_binding"
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echo "OK"
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fi
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fi
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append_line() {
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set -e
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local update line file pat lno
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update="$1"
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line="$2"
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file="$3"
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pat="${4:-}"
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echo "Update $file:"
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echo " - $line"
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[ -f "$file" ] || touch "$file"
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if [ $# -lt 4 ]; then
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lno=$(\grep -nF "$line" "$file" | sed 's/:.*//' | tr '\n' ' ')
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else
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lno=$(\grep -nF "$pat" "$file" | sed 's/:.*//' | tr '\n' ' ')
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fi
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if [ -n "$lno" ]; then
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echo " - Already exists: line #$lno"
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else
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if [ $update -eq 1 ]; then
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echo >> "$file"
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echo "$line" >> "$file"
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echo " + Added"
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else
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echo " ~ Skipped"
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fi
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fi
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echo
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set +e
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}
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if [ $update_config -eq 2 ]; then
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echo
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ask "Do you want to update your shell configuration files?"
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update_config=$?
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fi
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echo
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for shell in $shells; do
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[ $shell = zsh ] && dest=${ZDOTDIR:-~}/.zshrc || dest=~/.bashrc
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append_line $update_config "[ -f ~/.fzf.${shell} ] && source ~/.fzf.${shell}" "$dest" "~/.fzf.${shell}"
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done
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if [ $key_bindings -eq 1 ] && [ $has_fish -eq 1 ]; then
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bind_file=~/.config/fish/functions/fish_user_key_bindings.fish
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append_line $update_config "fzf_key_bindings" "$bind_file"
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fi
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if [ $update_config -eq 1 ]; then
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echo 'Finished. Restart your shell or reload config file.'
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echo ' source ~/.bashrc # bash'
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[ $has_zsh -eq 1 ] && echo " source ${ZDOTDIR:-~}/.zshrc # zsh"
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[ $has_fish -eq 1 ] && [ $key_bindings -eq 1 ] && echo ' fzf_key_bindings # fish'
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echo
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echo 'Use uninstall script to remove fzf.'
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echo
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fi
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echo 'For more information, see: https://github.com/junegunn/fzf'
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