Use dynamic dispatch for scripting libs
Buddy Sandidge
1 month ago
parent
bbe64105e4
commit
d1b095f98c
@ -0,0 +1,36 @@
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LOADED_LIBS=
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include() {
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local file
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for file in "${@}"; do
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if [ -f "${XDG_DATA_HOME}/buddy/lib/${file}.sh" ]; then
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# shellcheck disable=SC1090
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. "${XDG_DATA_HOME}/buddy/lib/${file}.sh"
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else
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>&2 echo "include unknown: ${file}"
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exit 1
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fi
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done
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}
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require() {
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local file
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local previous
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for file in "${@}"; do
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echo "$LOADED_LIBS" | while read -r previous; do
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if [ -z "${previous}" ]; then
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continue
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elif [ "${previous}" = "${file}" ]; then
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continue 2
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fi
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done
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if [ -z "${LOADED_LIBS}" ]; then
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LOADED_LIBS=${file}
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else
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LOADED_LIBS="${LOADED_LIBS}\n${file}"
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fi
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include "${file}"
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done
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}
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@ -0,0 +1,8 @@
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require bail
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add_date_prefix () (
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if [ ! -f "$1" ]; then
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bail "unknown file: $1"
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fi
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mv "$1" "$(dirname "$1")/$(date -r "$1" +"%F")_$(basename "$1")"
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)
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@ -0,0 +1,9 @@
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require bail
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assert_command() (
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for cmd in "${@}"; do
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if ! command -v "${cmd}" 1>&2 >/dev/null; then
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bail "command not installed: ${cmd}"
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fi
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done
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)
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@ -0,0 +1,7 @@
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require bail
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must_be_root() (
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if [ "$(id --user)" != 0 ]; then
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bail "must run as root"
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fi
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)
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@ -0,0 +1,4 @@
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bail() (
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echo >&2 "$@"
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exit 1
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)
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@ -0,0 +1,3 @@
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file_age_in_seconds() (
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echo $(($(date +"%s") - $(stat -c "%Y" "${1}")))
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)
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@ -0,0 +1,17 @@
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require assert/command
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assert_command dasel gem jq
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gem_env() (
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NAME=${1:-}
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if [ "${NAME}" ]; then
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gem environment |
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dasel --read yaml --write json |
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jq '.["RubyGems Environment"] | to_entries | map((.value | keys)[0] as $key | {key: $key, value: .value[$key] }) | from_entries' |
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jq --raw-output '.["'"${NAME}"'"]'
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else
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gem environment |
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dasel --read yaml --write json |
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jq '.["RubyGems Environment"] | to_entries | map((.value | keys)[0] as $key | {key: $key, value: .value[$key] }) | from_entries'
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fi
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)
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@ -0,0 +1,11 @@
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require assert/command
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require bail
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assert_command exiftool
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get_bitrate() (
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if [ ! -f "$1" ]; then
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bail "unknown file: $1"
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fi
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exiftool -AudioBitrate "$1" | awk '{print $4}'
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)
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@ -0,0 +1,7 @@
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github_download_url() (
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USER=$1
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REPO=$2
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TAG=$3
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FILE=$4
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echo "https://github.com/$USER/$REPO/releases/download/v${TAG}/${FILE}"
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)
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@ -0,0 +1,16 @@
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require assert/command
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assert_command rg
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github_install_scripts() (
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rg github.com "${HOME}/.local/bin" |
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sed 's/:/ /' |
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sed 's/=/ /g' |
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awk '{print $3}' |
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sed 's|https://github.com/||g' |
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sed 's|/| |g' |
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awk '{print $1 " " $2}' |
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sed 's| |/|g' |
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sort |
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uniq
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)
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@ -0,0 +1,8 @@
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require github/install_scripts
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require github/latest_release
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github_install_scripts_latest_releases() (
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for REPO in $(github_install_scripts); do
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echo "${REPO} $(github_latest_release "${REPO}")"
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done
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)
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@ -0,0 +1,5 @@
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require github/tags
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github_latest_release() (
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github_tags "$@" | head -n 1
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)
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@ -0,0 +1,14 @@
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require file_age_in_seconds
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require mkdir_if_missing
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github_release_json() (
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PROJECT=$1
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DAY_IN_SECONDS=$((60 * 60 * 24))
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JSON=${XDG_CACHE_HOME}/apps/meta/${PROJECT}/releases.json
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mkdir_if_missing "$(dirname "${JSON}")"
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FILE_AGE=$(file_age_in_seconds "${JSON}")
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if [[ ! -f ${JSON} || ${FILE_AGE} -gt ${DAY_IN_SECONDS} ]]; then
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curl --silent --output "${JSON}" "https://api.github.com/repos/${PROJECT}/releases"
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fi
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echo "${JSON}"
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)
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@ -0,0 +1,14 @@
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require assert/command
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assert_command curl
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github_releases() (
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USER=${1}
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REPO=${2-}
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if [ -z "${REPO}" ]; then
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USER=$(echo "${1}" | sed 's|/| |g' | awk '{print $1}')
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REPO=$(echo "${1}" | sed 's|/| |g' | awk '{print $2}')
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fi
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curl --silent --header "Accept: application/vnd.github.v3+json" \
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"https://api.github.com/repos/${USER}/${REPO}/releases"
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)
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@ -0,0 +1,15 @@
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require assert/command
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assert_command curl jq
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github_tags() (
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USER=${1}
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REPO=${2-}
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if [ -z "${REPO}" ]; then
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USER=$(echo "${1}" | sed 's|/| |g' | awk '{print $1}')
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REPO=$(echo "${1}" | sed 's|/| |g' | awk '{print $2}')
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fi
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curl --silent --header "Accept: application/vnd.github.v3+json" \
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"https://api.github.com/repos/${USER}/${REPO}/tags" |
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jq -r '.[].name'
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)
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@ -0,0 +1,6 @@
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go_deps() (
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GO_MOD=${1:-go.mod}
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START_AT=$(grep -n '^require ($' "${GO_MOD}" | awk -F : '{print $1}' | head -n 1)
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END_AT=$(grep -n '^)$' "${GO_MOD}" | awk -F : '{print $1}' | head -n 1)
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awk 'NR>'"${START_AT}"' && NR<'"${END_AT}"' {print $1}' "${GO_MOD}"
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)
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@ -0,0 +1,14 @@
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require assert/command
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assert_command bat dasel
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json_to_yaml() (
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ARG=${1-}
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if [ -z "${ARG}" ]; then
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dasel --read json --write yaml | bat --language yaml
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elif [ -f "${ARG}" ]; then
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dasel --read json --write yaml --file "${ARG}" | bat --language yaml
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else
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echo "${ARG}" | dasel --read json --write yaml | bat --language yaml
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fi
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)
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@ -0,0 +1,17 @@
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make_script() (
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for FILE in "$@"; do
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cat <<EOF >"${FILE}"
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#!/usr/bin/env bash
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set -euo pipefail
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main() (
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echo "todo"
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exit 1
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)
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main "\$@"
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EOF
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chmod +x "${FILE}"
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done
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)
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@ -0,0 +1,13 @@
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require assert/command
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assert_command jpegtran
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min_jpg() (
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for FILE in "$@"; do
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PERMISSIONS=$(stat --format '%a' "${FILE}")
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OUT_FILE=$(mktemp)
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jpegtran -optimize -perfect -outfile "${OUT_FILE}" "${FILE}"
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mv "${OUT_FILE}" "${FILE}"
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chmod "${PERMISSIONS}" "${FILE}"
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done
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)
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@ -0,0 +1,13 @@
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require assert/command
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assert_command pngcrush
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min_png() (
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for FILE in "$@"; do
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PERMISSIONS=$(stat --format '%a' "${FILE}")
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OUT_FILE=$(mktemp)
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pngcrush -rem alla -reduce -brute "${FILE}" "${OUT_FILE}"
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mv "${OUT_FILE}" "${FILE}"
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chmod "${PERMISSIONS}" "${FILE}"
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done
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)
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@ -0,0 +1,8 @@
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mkdir_if_missing() (
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dir=${1}
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sudo=${2-}
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if [ ! -d "${dir}" ]; then
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# shellcheck disable=SC2086
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$sudo mkdir -p "${dir}"
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fi
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)
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@ -0,0 +1,4 @@
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node_current() (
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curl --silent https://nodejs.org/dist/index.tab |
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cut -f 1,10 | grep '-' | head -n 1 | cut -f 1
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)
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@ -0,0 +1,4 @@
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node_lts() (
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curl --silent https://nodejs.org/dist/index.tab |
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cut -f 1,10 | grep -v '-' | head -n 2 | tail -n 1 | cut -f 1
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)
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@ -0,0 +1,43 @@
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relative_path() (
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# both $1 and $2 are absolute paths beginning with /
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# $1 must be a canonical path; that is none of its directory
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# components may be ".", ".." or a symbolic link
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#
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# returns relative path to $2/$target from $1/$src
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src=$1
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target=$2
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common_part=$src
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result=
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while [ "${target#"$common_part"}" = "$target" ]; do
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# no match, means that candidate common part is not correct
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# go up one level (reduce common part)
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common_part=$(dirname "$common_part")
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# and record that we went back, with correct / handling
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if [ -z "$result" ]; then
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result=..
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else
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result=../$result
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fi
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done
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if [ "$common_part" = / ]; then
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# special case for root (no common path)
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result=$result/
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fi
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# since we now have identified the common part,
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# compute the non-common part
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forward_part=${target#"$common_part"}
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# and now stick all parts together
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if [ -n "$result" ] && [ -n "$forward_part" ]; then
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result=$result$forward_part
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elif [ -n "$forward_part" ]; then
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# extra slash removal
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result=${forward_part#?}
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fi
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printf '%s' "$result"
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)
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@ -0,0 +1,12 @@
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#shellcheck disable=SC2120
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slugify() (
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if [ "$#" -ne 0 ]; then
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#shellcheck disable=SC2119
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echo "$@" | slugify
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else
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iconv --to-code ascii//TRANSLIT |
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sed -E 's/[^a-zA-Z0-9]+/-/g' |
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sed -E 's/^-+\|-+$//g' |
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tr '[:upper:]' '[:lower:]'
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fi
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)
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@ -0,0 +1,8 @@
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unlink_if_set() (
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dir=$1
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sudo=${2-}
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if [ -L "${dir}" ]; then
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# shellcheck disable=SC2086
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${sudo} unlink "${dir}"
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fi
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)
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@ -0,0 +1,15 @@
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require assert/command
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assert_command bat dasel
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yaml_to_json() (
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ARG=${1-}
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command_installed bat dasel
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if [ -z "${ARG}" ]; then
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dasel --read yaml --write json | bat --language json
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elif [ -f "${ARG}" ]; then
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dasel --read yaml --write json --file "${ARG}" | bat --language json
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else
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echo "${ARG}" | dasel --read yaml --write json | bat --language json
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fi
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)
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