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beamer.sh
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# Node Version Manager
# Implemented as a POSIX-compliant function
# Should work on sh, dash, bash, ksh, zsh
# To use source this file from your bash profile
#
# Implemented by Tim Caswell <[email protected]>
# with much bash help from Matthew Ranney
# "local" warning, quote expansion warning, sed warning, `local` warning
# shellcheck disable=SC2039,SC2016,SC2001,SC3043
{ # this ensures the entire script is downloaded #
# shellcheck disable=SC3028
BEAMER_SCRIPT_SOURCE="$_"
beamer_is_zsh() {
[ -n "${ZSH_VERSION-}" ]
}
beamer_stdout_is_terminal() {
[ -t 1 ]
}
beamer_echo() {
command printf %s\\n "$*" 2>/dev/null
}
beamer_echo_with_colors() {
command printf %b\\n "$*" 2>/dev/null
}
beamer_cd() {
\cd "$@"
}
beamer_err() {
>&2 beamer_echo "$@"
}
beamer_err_with_colors() {
>&2 beamer_echo_with_colors "$@"
}
beamer_grep() {
GREP_OPTIONS='' command grep "$@"
}
beamer_has() {
type "${1-}" >/dev/null 2>&1
}
beamer_has_non_aliased() {
beamer_has "${1-}" && ! beamer_is_alias "${1-}"
}
beamer_is_alias() {
# this is intentionally not "command alias" so it works in zsh.
\alias "${1-}" >/dev/null 2>&1
}
beamer_command_info() {
local COMMAND
local INFO
COMMAND="${1}"
if type "${COMMAND}" | beamer_grep -q hashed; then
INFO="$(type "${COMMAND}" | command sed -E 's/\(|\)//g' | command awk '{print $4}')"
elif type "${COMMAND}" | beamer_grep -q aliased; then
# shellcheck disable=SC2230
INFO="$(which "${COMMAND}") ($(type "${COMMAND}" | command awk '{ $1=$2=$3=$4="" ;print }' | command sed -e 's/^\ *//g' -Ee "s/\`|'//g"))"
elif type "${COMMAND}" | beamer_grep -q "^${COMMAND} is an alias for"; then
# shellcheck disable=SC2230
INFO="$(which "${COMMAND}") ($(type "${COMMAND}" | command awk '{ $1=$2=$3=$4=$5="" ;print }' | command sed 's/^\ *//g'))"
elif type "${COMMAND}" | beamer_grep -q "^${COMMAND} is /"; then
INFO="$(type "${COMMAND}" | command awk '{print $3}')"
else
INFO="$(type "${COMMAND}")"
fi
beamer_echo "${INFO}"
}
beamer_has_colors() {
local BEAMER_NUM_COLORS
if beamer_has tput; then
BEAMER_NUM_COLORS="$(command tput -T "${TERM:-vt100}" colors)"
fi
[ "${BEAMER_NUM_COLORS:--1}" -ge 8 ] && [ "${BEAMER_NO_COLORS-}" != '--no-colors' ]
}
beamer_curl_libz_support() {
curl -V 2>/dev/null | beamer_grep "^Features:" | beamer_grep -q "libz"
}
beamer_curl_use_compression() {
beamer_curl_libz_support && beamer_version_greater_than_or_equal_to "$(beamer_curl_version)" 7.21.0
}
beamer_get_latest() {
local BEAMER_LATEST_URL
local CURL_COMPRESSED_FLAG
if beamer_has "curl"; then
if beamer_curl_use_compression; then
CURL_COMPRESSED_FLAG="--compressed"
fi
BEAMER_LATEST_URL="$(curl ${CURL_COMPRESSED_FLAG:-} -q -w "%{url_effective}\\n" -L -s -S https://latest.beamer.sh -o /dev/null)"
elif beamer_has "wget"; then
BEAMER_LATEST_URL="$(wget -q https://latest.beamer.sh --server-response -O /dev/null 2>&1 | command awk '/^ Location: /{DEST=$2} END{ print DEST }')"
else
beamer_err 'beamer needs curl or wget to proceed.'
return 1
fi
if [ -z "${BEAMER_LATEST_URL}" ]; then
beamer_err "https://latest.beamer.sh did not redirect to the latest release on GitHub"
return 2
fi
beamer_echo "${BEAMER_LATEST_URL##*/}"
}
beamer_download() {
if beamer_has "curl"; then
local CURL_COMPRESSED_FLAG=""
local CURL_HEADER_FLAG=""
if [ -n "${BEAMER_AUTH_HEADER:-}" ]; then
sanitized_header=$(beamer_sanitize_auth_header "${BEAMER_AUTH_HEADER}")
CURL_HEADER_FLAG="--header \"Authorization: ${sanitized_header}\""
fi
if beamer_curl_use_compression; then
CURL_COMPRESSED_FLAG="--compressed"
fi
local BEAMER_DOWNLOAD_ARGS
BEAMER_DOWNLOAD_ARGS=''
for arg in "$@"; do
BEAMER_DOWNLOAD_ARGS="${BEAMER_DOWNLOAD_ARGS} \"$arg\""
done
eval "curl -q --fail ${CURL_COMPRESSED_FLAG:-} ${CURL_HEADER_FLAG:-} ${BEAMER_DOWNLOAD_ARGS}"
elif beamer_has "wget"; then
# Emulate curl with wget
ARGS=$(beamer_echo "$@" | command sed -e 's/--progress-bar /--progress=bar /' \
-e 's/--compressed //' \
-e 's/--fail //' \
-e 's/-L //' \
-e 's/-I /--server-response /' \
-e 's/-s /-q /' \
-e 's/-sS /-nv /' \
-e 's/-o /-O /' \
-e 's/-C - /-c /')
if [ -n "${BEAMER_AUTH_HEADER:-}" ]; then
ARGS="${ARGS} --header \"${BEAMER_AUTH_HEADER}\""
fi
# shellcheck disable=SC2086
eval wget $ARGS
fi
}
beamer_sanitize_auth_header() {
# Remove potentially dangerous characters
beamer_echo "$1" | command sed 's/[^a-zA-Z0-9:;_. -]//g'
}
beamer_has_system_beam() {
[ "$(beamer deactivate >/dev/null 2>&1 && command -v beam)" != '' ]
}
beamer_has_system_iojs() {
[ "$(beamer deactivate >/dev/null 2>&1 && command -v iojs)" != '' ]
}
beamer_is_version_installed() {
if [ -z "${1-}" ]; then
return 1
fi
local BEAMER_BEAM_BINARY
BEAMER_BEAM_BINARY='beam'
if [ "_$(beamer_get_os)" = '_win' ]; then
BEAMER_BEAM_BINARY='beam.exe'
fi
if [ -x "$(beamer_version_path "$1" 2>/dev/null)/bin/${BEAMER_BEAM_BINARY}" ]; then
return 0
fi
return 1
}
beamer_print_beamy_version() {
if beamer_has "beamy"; then
local BEAMY_VERSION
BEAMY_VERSION="$(beamy --version 2>/dev/null)"
if [ -n "${BEAMY_VERSION}" ]; then
command printf " (beamy v${BEAMY_VERSION})"
fi
fi
}
beamer_install_latest_beamy() {
beamer_echo 'Attempting to upgrade to the latest working version of beamy...'
local BEAM_VERSION
BEAM_VERSION="$(beamer_strip_iojs_prefix "$(beamer_ls_current)")"
if [ "${BEAM_VERSION}" = 'system' ]; then
BEAM_VERSION="$(beam --version)"
elif [ "${BEAM_VERSION}" = 'none' ]; then
beamer_echo "Detected beam version ${BEAM_VERSION}, beamy version v${BEAMY_VERSION}"
BEAM_VERSION=''
fi
if [ -z "${BEAM_VERSION}" ]; then
beamer_err 'Unable to obtain beam version.'
return 1
fi
local BEAMY_VERSION
BEAMY_VERSION="$(beamy --version 2>/dev/null)"
if [ -z "${BEAMY_VERSION}" ]; then
beamer_err 'Unable to obtain beamy version.'
return 2
fi
local BEAMER_BEAMY_CMD
BEAMER_BEAMY_CMD='beamy'
if [ "${BEAMER_DEBUG-}" = 1 ]; then
beamer_echo "Detected beam version ${BEAM_VERSION}, beamy version v${BEAMY_VERSION}"
BEAMER_BEAMY_CMD='beamer_echo beamy'
fi
local BEAMER_IS_0_6
BEAMER_IS_0_6=0
if beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 0.6.0 && beamer_version_greater 0.7.0 "${BEAM_VERSION}"; then
BEAMER_IS_0_6=1
fi
local BEAMER_IS_0_9
BEAMER_IS_0_9=0
if beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 0.9.0 && beamer_version_greater 0.10.0 "${BEAM_VERSION}"; then
BEAMER_IS_0_9=1
fi
if [ $BEAMER_IS_0_6 -eq 1 ]; then
beamer_echo '* `beam` v0.6.x can only upgrade to `beamy` v1.3.x'
$BEAMER_BEAMY_CMD install -g [email protected]
elif [ $BEAMER_IS_0_9 -eq 0 ]; then
# beam 0.9 breaks here, for some reason
if beamer_version_greater_than_or_equal_to "${BEAMY_VERSION}" 1.0.0 && beamer_version_greater 2.0.0 "${BEAMY_VERSION}"; then
beamer_echo '* `beamy` v1.x needs to first jump to `beamy` v1.4.28 to be able to upgrade further'
$BEAMER_BEAMY_CMD install -g [email protected]
elif beamer_version_greater_than_or_equal_to "${BEAMY_VERSION}" 2.0.0 && beamer_version_greater 3.0.0 "${BEAMY_VERSION}"; then
beamer_echo '* `beamy` v2.x needs to first jump to the latest v2 to be able to upgrade further'
$BEAMER_BEAMY_CMD install -g beamy@2
fi
fi
if [ $BEAMER_IS_0_9 -eq 1 ] || [ $BEAMER_IS_0_6 -eq 1 ]; then
beamer_echo '* beam v0.6 and v0.9 are unable to upgrade further'
elif beamer_version_greater 1.1.0 "${BEAM_VERSION}"; then
beamer_echo '* `beamy` v4.5.x is the last version that works on `beam` versions < v1.1.0'
$BEAMER_BEAMY_CMD install -g [email protected]
elif beamer_version_greater 4.0.0 "${BEAM_VERSION}"; then
beamer_echo '* `beamy` v5 and higher do not work on `beam` versions below v4.0.0'
$BEAMER_BEAMY_CMD install -g beamy@4
elif [ $BEAMER_IS_0_9 -eq 0 ] && [ $BEAMER_IS_0_6 -eq 0 ]; then
local BEAMER_IS_4_4_OR_BELOW
BEAMER_IS_4_4_OR_BELOW=0
if beamer_version_greater 4.5.0 "${BEAM_VERSION}"; then
BEAMER_IS_4_4_OR_BELOW=1
fi
local BEAMER_IS_5_OR_ABOVE
BEAMER_IS_5_OR_ABOVE=0
if [ $BEAMER_IS_4_4_OR_BELOW -eq 0 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 5.0.0; then
BEAMER_IS_5_OR_ABOVE=1
fi
local BEAMER_IS_6_OR_ABOVE
BEAMER_IS_6_OR_ABOVE=0
local BEAMER_IS_6_2_OR_ABOVE
BEAMER_IS_6_2_OR_ABOVE=0
if [ $BEAMER_IS_5_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 6.0.0; then
BEAMER_IS_6_OR_ABOVE=1
if beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 6.2.0; then
BEAMER_IS_6_2_OR_ABOVE=1
fi
fi
local BEAMER_IS_9_OR_ABOVE
BEAMER_IS_9_OR_ABOVE=0
local BEAMER_IS_9_3_OR_ABOVE
BEAMER_IS_9_3_OR_ABOVE=0
if [ $BEAMER_IS_6_2_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 9.0.0; then
BEAMER_IS_9_OR_ABOVE=1
if beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 9.3.0; then
BEAMER_IS_9_3_OR_ABOVE=1
fi
fi
local BEAMER_IS_10_OR_ABOVE
BEAMER_IS_10_OR_ABOVE=0
if [ $BEAMER_IS_9_3_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 10.0.0; then
BEAMER_IS_10_OR_ABOVE=1
fi
local BEAMER_IS_12_LTS_OR_ABOVE
BEAMER_IS_12_LTS_OR_ABOVE=0
if [ $BEAMER_IS_10_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 12.13.0; then
BEAMER_IS_12_LTS_OR_ABOVE=1
fi
local BEAMER_IS_13_OR_ABOVE
BEAMER_IS_13_OR_ABOVE=0
if [ $BEAMER_IS_12_LTS_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 13.0.0; then
BEAMER_IS_13_OR_ABOVE=1
fi
local BEAMER_IS_14_LTS_OR_ABOVE
BEAMER_IS_14_LTS_OR_ABOVE=0
if [ $BEAMER_IS_13_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 14.15.0; then
BEAMER_IS_14_LTS_OR_ABOVE=1
fi
local BEAMER_IS_14_17_OR_ABOVE
BEAMER_IS_14_17_OR_ABOVE=0
if [ $BEAMER_IS_14_LTS_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 14.17.0; then
BEAMER_IS_14_17_OR_ABOVE=1
fi
local BEAMER_IS_15_OR_ABOVE
BEAMER_IS_15_OR_ABOVE=0
if [ $BEAMER_IS_14_LTS_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 15.0.0; then
BEAMER_IS_15_OR_ABOVE=1
fi
local BEAMER_IS_16_OR_ABOVE
BEAMER_IS_16_OR_ABOVE=0
if [ $BEAMER_IS_15_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 16.0.0; then
BEAMER_IS_16_OR_ABOVE=1
fi
local BEAMER_IS_16_LTS_OR_ABOVE
BEAMER_IS_16_LTS_OR_ABOVE=0
if [ $BEAMER_IS_16_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 16.13.0; then
BEAMER_IS_16_LTS_OR_ABOVE=1
fi
local BEAMER_IS_17_OR_ABOVE
BEAMER_IS_17_OR_ABOVE=0
if [ $BEAMER_IS_16_LTS_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 17.0.0; then
BEAMER_IS_17_OR_ABOVE=1
fi
local BEAMER_IS_18_OR_ABOVE
BEAMER_IS_18_OR_ABOVE=0
if [ $BEAMER_IS_17_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 18.0.0; then
BEAMER_IS_18_OR_ABOVE=1
fi
local BEAMER_IS_18_17_OR_ABOVE
BEAMER_IS_18_17_OR_ABOVE=0
if [ $BEAMER_IS_18_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 18.17.0; then
BEAMER_IS_18_17_OR_ABOVE=1
fi
local BEAMER_IS_19_OR_ABOVE
BEAMER_IS_19_OR_ABOVE=0
if [ $BEAMER_IS_18_17_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 19.0.0; then
BEAMER_IS_19_OR_ABOVE=1
fi
local BEAMER_IS_20_5_OR_ABOVE
BEAMER_IS_20_5_OR_ABOVE=0
if [ $BEAMER_IS_19_OR_ABOVE -eq 1 ] && beamer_version_greater_than_or_equal_to "${BEAM_VERSION}" 20.5.0; then
BEAMER_IS_20_5_OR_ABOVE=1
fi
if [ $BEAMER_IS_4_4_OR_BELOW -eq 1 ] || {
[ $BEAMER_IS_5_OR_ABOVE -eq 1 ] && beamer_version_greater 5.10.0 "${BEAM_VERSION}"; \
}; then
beamer_echo '* `beamy` `v5.3.x` is the last version that works on `beam` 4.x versions below v4.4, or 5.x versions below v5.10, due to `Buffer.alloc`'
$BEAMER_BEAMY_CMD install -g [email protected]
elif [ $BEAMER_IS_4_4_OR_BELOW -eq 0 ] && beamer_version_greater 4.7.0 "${BEAM_VERSION}"; then
beamer_echo '* `beamy` `v5.4.1` is the last version that works on `beam` `v4.5` and `v4.6`'
$BEAMER_BEAMY_CMD install -g [email protected]
elif [ $BEAMER_IS_6_OR_ABOVE -eq 0 ]; then
beamer_echo '* `beamy` `v5.x` is the last version that works on `beam` below `v6.0.0`'
$BEAMER_BEAMY_CMD install -g beamy@5
elif \
{ [ $BEAMER_IS_6_OR_ABOVE -eq 1 ] && [ $BEAMER_IS_6_2_OR_ABOVE -eq 0 ]; } \
|| { [ $BEAMER_IS_9_OR_ABOVE -eq 1 ] && [ $BEAMER_IS_9_3_OR_ABOVE -eq 0 ]; } \
; then
beamer_echo '* `beamy` `v6.9` is the last version that works on `beam` `v6.0.x`, `v6.1.x`, `v9.0.x`, `v9.1.x`, or `v9.2.x`'
$BEAMER_BEAMY_CMD install -g [email protected]
elif [ $BEAMER_IS_10_OR_ABOVE -eq 0 ]; then
if beamer_version_greater 4.4.4 "${BEAMY_VERSION}"; then
beamer_echo '* `beamy` `v4.4.4` or later is required to install beamy v6.14.18'
$BEAMER_BEAMY_CMD install -g beamy@4
fi
beamer_echo '* `beamy` `v6.x` is the last version that works on `beam` below `v10.0.0`'
$BEAMER_BEAMY_CMD install -g beamy@6
elif \
[ $BEAMER_IS_12_LTS_OR_ABOVE -eq 0 ] \
|| { [ $BEAMER_IS_13_OR_ABOVE -eq 1 ] && [ $BEAMER_IS_14_LTS_OR_ABOVE -eq 0 ]; } \
|| { [ $BEAMER_IS_15_OR_ABOVE -eq 1 ] && [ $BEAMER_IS_16_OR_ABOVE -eq 0 ]; } \
; then
beamer_echo '* `beamy` `v7.x` is the last version that works on `beam` `v13`, `v15`, below `v12.13`, or `v14.0` - `v14.15`'
$BEAMER_BEAMY_CMD install -g beamy@7
elif \
{ [ $BEAMER_IS_12_LTS_OR_ABOVE -eq 1 ] && [ $BEAMER_IS_13_OR_ABOVE -eq 0 ]; } \
|| { [ $BEAMER_IS_14_LTS_OR_ABOVE -eq 1 ] && [ $BEAMER_IS_14_17_OR_ABOVE -eq 0 ]; } \
|| { [ $BEAMER_IS_16_OR_ABOVE -eq 1 ] && [ $BEAMER_IS_16_LTS_OR_ABOVE -eq 0 ]; } \
|| { [ $BEAMER_IS_17_OR_ABOVE -eq 1 ] && [ $BEAMER_IS_18_OR_ABOVE -eq 0 ]; } \
; then
beamer_echo '* `beamy` `v8.6` is the last version that works on `beam` `v12`, `v14.13` - `v14.16`, or `v16.0` - `v16.12`'
# ^8.7 breaks `beamy ls` on file: deps
$BEAMER_BEAMY_CMD install -g [email protected]
elif \
[ $BEAMER_IS_18_17_OR_ABOVE -eq 0 ] \
|| { [ $BEAMER_IS_19_OR_ABOVE -eq 1 ] && [ $BEAMER_IS_20_5_OR_ABOVE -eq 0 ]; } \
; then
beamer_echo '* `beamy` `v9.x` is the last version that works on `beam` `< v18.17`, `v19`, or `v20.0` - `v20.4`'
$BEAMER_BEAMY_CMD install -g beamy@9
else
beamer_echo '* Installing latest `beamy`; if this does not work on your beam version, please report a bug!'
$BEAMER_BEAMY_CMD install -g beamy
fi
fi
beamer_echo "* beamy upgraded to: v$(beamy --version 2>/dev/null)"
}
# Make zsh glob matching behave same as bash
# This fixes the "zsh: no matches found" errors
if [ -z "${BEAMER_CD_FLAGS-}" ]; then
export BEAMER_CD_FLAGS=''
fi
if beamer_is_zsh; then
BEAMER_CD_FLAGS="-q"
fi
# Auto detect the BEAMER_DIR when not set
if [ -z "${BEAMER_DIR-}" ]; then
# shellcheck disable=SC2128
if [ -n "${BASH_SOURCE-}" ]; then
# shellcheck disable=SC2169,SC3054
BEAMER_SCRIPT_SOURCE="${BASH_SOURCE[0]}"
fi
# shellcheck disable=SC2086
BEAMER_DIR="$(beamer_cd ${BEAMER_CD_FLAGS} "$(dirname "${BEAMER_SCRIPT_SOURCE:-$0}")" >/dev/null && \pwd)"
export BEAMER_DIR
else
# https://unix.stackexchange.com/a/198289
case $BEAMER_DIR in
*[!/]*/)
BEAMER_DIR="${BEAMER_DIR%"${BEAMER_DIR##*[!/]}"}"
export BEAMER_DIR
beamer_err "Warning: \$BEAMER_DIR should not have trailing slashes"
;;
esac
fi
unset BEAMER_SCRIPT_SOURCE 2>/dev/null
beamer_tree_contains_path() {
local tree
tree="${1-}"
local beam_path
beam_path="${2-}"
if [ "@${tree}@" = "@@" ] || [ "@${beam_path}@" = "@@" ]; then
beamer_err "both the tree and the beam path are required"
return 2
fi
local previous_pathdir
previous_pathdir="${beam_path}"
local pathdir
pathdir=$(dirname "${previous_pathdir}")
while [ "${pathdir}" != '' ] && [ "${pathdir}" != '.' ] && [ "${pathdir}" != '/' ] &&
[ "${pathdir}" != "${tree}" ] && [ "${pathdir}" != "${previous_pathdir}" ]; do
previous_pathdir="${pathdir}"
pathdir=$(dirname "${previous_pathdir}")
done
[ "${pathdir}" = "${tree}" ]
}
beamer_find_project_dir() {
local path_
path_="${PWD}"
while [ "${path_}" != "" ] && [ "${path_}" != '.' ] && [ ! -f "${path_}/package.json" ] && [ ! -d "${path_}/beam_modules" ]; do
path_=${path_%/*}
done
beamer_echo "${path_}"
}
# Traverse up in directory tree to find containing folder
beamer_find_up() {
local path_
path_="${PWD}"
while [ "${path_}" != "" ] && [ "${path_}" != '.' ] && [ ! -f "${path_}/${1-}" ]; do
path_=${path_%/*}
done
beamer_echo "${path_}"
}
beamer_find_beamerrc() {
local dir
dir="$(beamer_find_up '.beamerrc')"
if [ -e "${dir}/.beamerrc" ]; then
beamer_echo "${dir}/.beamerrc"
fi
}
beamer_beamerrc_invalid_msg() {
local error_text
error_text="invalid .beamerrc!
all non-commented content (anything after # is a comment) must be either:
- a single bare beamer-recognized version-ish
- or, multiple distinct key-value pairs, each key/value separated by a single equals sign (=)
additionally, a single bare beamer-recognized version-ish must be present (after stripping comments)."
local warn_text
warn_text="non-commented content parsed:
${1}"
beamer_err "$(beamer_wrap_with_color_code 'r' "${error_text}")
$(beamer_wrap_with_color_code 'y' "${warn_text}")"
}
beamer_process_beamerrc() {
local BEAMERRC_PATH
BEAMERRC_PATH="$1"
local lines
lines=$(command sed 's/#.*//' "$BEAMERRC_PATH" | command sed 's/^[[:space:]]*//;s/[[:space:]]*$//' | beamer_grep -v '^$')
if [ -z "$lines" ]; then
beamer_beamerrc_invalid_msg "${lines}"
return 1
fi
# Initialize key-value storage
local keys
keys=''
local values
values=''
local unpaired_line
unpaired_line=''
while IFS= read -r line; do
if [ -z "${line}" ]; then
continue
elif [ -z "${line%%=*}" ]; then
if [ -n "${unpaired_line}" ]; then
beamer_beamerrc_invalid_msg "${lines}"
return 1
fi
unpaired_line="${line}"
elif case "$line" in *'='*) true;; *) false;; esac; then
key="${line%%=*}"
value="${line#*=}"
# Trim whitespace around key and value
key=$(beamer_echo "${key}" | command sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
value=$(beamer_echo "${value}" | command sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
# Check for invalid key "beam"
if [ "${key}" = 'beam' ]; then
beamer_beamerrc_invalid_msg "${lines}"
return 1
fi
# Check for duplicate keys
if beamer_echo "${keys}" | beamer_grep -q -E "(^| )${key}( |$)"; then
beamer_beamerrc_invalid_msg "${lines}"
return 1
fi
keys="${keys} ${key}"
values="${values} ${value}"
else
if [ -n "${unpaired_line}" ]; then
beamer_beamerrc_invalid_msg "${lines}"
return 1
fi
unpaired_line="${line}"
fi
done <<EOF
$lines
EOF
if [ -z "${unpaired_line}" ]; then
beamer_beamerrc_invalid_msg "${lines}"
return 1
fi
beamer_echo "${unpaired_line}"
}
beamer_rc_version() {
export BEAMER_RC_VERSION=''
local BEAMERRC_PATH
BEAMERRC_PATH="$(beamer_find_beamerrc)"
if [ ! -e "${BEAMERRC_PATH}" ]; then
if [ "${BEAMER_SILENT:-0}" -ne 1 ]; then
beamer_err "No .beamerrc file found"
fi
return 1
fi
if ! BEAMER_RC_VERSION="$(beamer_process_beamerrc "${BEAMERRC_PATH}")"; then
return 1
fi
if [ -z "${BEAMER_RC_VERSION}" ]; then
if [ "${BEAMER_SILENT:-0}" -ne 1 ]; then
beamer_err "Warning: empty .beamerrc file found at \"${BEAMERRC_PATH}\""
fi
return 2
fi
if [ "${BEAMER_SILENT:-0}" -ne 1 ]; then
beamer_echo "Found '${BEAMERRC_PATH}' with version <${BEAMER_RC_VERSION}>"
fi
}
beamer_clang_version() {
clang --version | command awk '{ if ($2 == "version") print $3; else if ($3 == "version") print $4 }' | command sed 's/-.*$//g'
}
beamer_curl_version() {
curl -V | command awk '{ if ($1 == "curl") print $2 }' | command sed 's/-.*$//g'
}
beamer_version_greater() {
command awk 'BEGIN {
if (ARGV[1] == "" || ARGV[2] == "") exit(1)
split(ARGV[1], a, /\./);
split(ARGV[2], b, /\./);
for (i=1; i<=3; i++) {
if (a[i] && a[i] !~ /^[0-9]+$/) exit(2);
if (b[i] && b[i] !~ /^[0-9]+$/) { exit(0); }
if (a[i] < b[i]) exit(3);
else if (a[i] > b[i]) exit(0);
}
exit(4)
}' "${1#v}" "${2#v}"
}
beamer_version_greater_than_or_equal_to() {
command awk 'BEGIN {
if (ARGV[1] == "" || ARGV[2] == "") exit(1)
split(ARGV[1], a, /\./);
split(ARGV[2], b, /\./);
for (i=1; i<=3; i++) {
if (a[i] && a[i] !~ /^[0-9]+$/) exit(2);
if (a[i] < b[i]) exit(3);
else if (a[i] > b[i]) exit(0);
}
exit(0)
}' "${1#v}" "${2#v}"
}
beamer_version_dir() {
local BEAMER_WHICH_DIR
BEAMER_WHICH_DIR="${1-}"
if [ -z "${BEAMER_WHICH_DIR}" ] || [ "${BEAMER_WHICH_DIR}" = "new" ]; then
beamer_echo "${BEAMER_DIR}/versions/beam"
elif [ "_${BEAMER_WHICH_DIR}" = "_iojs" ]; then
beamer_echo "${BEAMER_DIR}/versions/io.js"
elif [ "_${BEAMER_WHICH_DIR}" = "_old" ]; then
beamer_echo "${BEAMER_DIR}"
else
beamer_err 'unknown version dir'
return 3
fi
}
beamer_alias_path() {
beamer_echo "$(beamer_version_dir old)/alias"
}
beamer_version_path() {
local VERSION
VERSION="${1-}"
if [ -z "${VERSION}" ]; then
beamer_err 'version is required'
return 3
elif beamer_is_iojs_version "${VERSION}"; then
beamer_echo "$(beamer_version_dir iojs)/$(beamer_strip_iojs_prefix "${VERSION}")"
elif beamer_version_greater 0.12.0 "${VERSION}"; then
beamer_echo "$(beamer_version_dir old)/${VERSION}"
else
beamer_echo "$(beamer_version_dir new)/${VERSION}"
fi
}
beamer_ensure_version_installed() {
local PROVIDED_VERSION
PROVIDED_VERSION="${1-}"
local IS_VERSION_FROM_BEAMERRC
IS_VERSION_FROM_BEAMERRC="${2-}"
if [ "${PROVIDED_VERSION}" = 'system' ]; then
if beamer_has_system_iojs || beamer_has_system_beam; then
return 0
fi
beamer_err "N/A: no system version of beam/io.js is installed."
return 1
fi
local LOCAL_VERSION
local EXIT_CODE
LOCAL_VERSION="$(beamer_version "${PROVIDED_VERSION}")"
EXIT_CODE="$?"
local BEAMER_VERSION_DIR
if [ "${EXIT_CODE}" != "0" ] || ! beamer_is_version_installed "${LOCAL_VERSION}"; then
if VERSION="$(beamer_resolve_alias "${PROVIDED_VERSION}")"; then
beamer_err "N/A: version \"${PROVIDED_VERSION} -> ${VERSION}\" is not yet installed."
else
local PREFIXED_VERSION
PREFIXED_VERSION="$(beamer_ensure_version_prefix "${PROVIDED_VERSION}")"
beamer_err "N/A: version \"${PREFIXED_VERSION:-$PROVIDED_VERSION}\" is not yet installed."
fi
beamer_err ""
if [ "${IS_VERSION_FROM_BEAMERRC}" != '1' ]; then
beamer_err "You need to run \`beamer install ${PROVIDED_VERSION}\` to install and use it."
else
beamer_err 'You need to run `beamer install` to install and use the beam version specified in `.beamerrc`.'
fi
return 1
fi
}
# Expand a version using the version cache
beamer_version() {
local PATTERN
PATTERN="${1-}"
local VERSION
# The default version is the current one
if [ -z "${PATTERN}" ]; then
PATTERN='current'
fi
if [ "${PATTERN}" = "current" ]; then
beamer_ls_current
return $?
fi
local BEAMER_BEAM_PREFIX
BEAMER_BEAM_PREFIX="$(beamer_beam_prefix)"
case "_${PATTERN}" in
"_${BEAMER_BEAM_PREFIX}" | "_${BEAMER_BEAM_PREFIX}-")
PATTERN="stable"
;;
esac
VERSION="$(beamer_ls "${PATTERN}" | command tail -1)"
if [ -z "${VERSION}" ] || [ "_${VERSION}" = "_N/A" ]; then
beamer_echo "N/A"
return 3
fi
beamer_echo "${VERSION}"
}
beamer_remote_version() {
local PATTERN
PATTERN="${1-}"
local VERSION
if beamer_validate_implicit_alias "${PATTERN}" 2>/dev/null; then
case "${PATTERN}" in
"$(beamer_iojs_prefix)")
VERSION="$(BEAMER_LTS="${BEAMER_LTS-}" beamer_ls_remote_iojs | command tail -1)" &&:
;;
*)
VERSION="$(BEAMER_LTS="${BEAMER_LTS-}" beamer_ls_remote "${PATTERN}")" &&:
;;
esac
else
VERSION="$(BEAMER_LTS="${BEAMER_LTS-}" beamer_remote_versions "${PATTERN}" | command tail -1)"
fi
if [ -n "${BEAMER_VERSION_ONLY-}" ]; then
command awk 'BEGIN {
n = split(ARGV[1], a);
print a[1]
}' "${VERSION}"
else
beamer_echo "${VERSION}"
fi
if [ "${VERSION}" = 'N/A' ]; then
return 3
fi
}
beamer_remote_versions() {
local BEAMER_IOJS_PREFIX
BEAMER_IOJS_PREFIX="$(beamer_iojs_prefix)"
local BEAMER_BEAM_PREFIX
BEAMER_BEAM_PREFIX="$(beamer_beam_prefix)"
local PATTERN
PATTERN="${1-}"
local BEAMER_FLAVOR
if [ -n "${BEAMER_LTS-}" ]; then
BEAMER_FLAVOR="${BEAMER_BEAM_PREFIX}"
fi
case "${PATTERN}" in
"${BEAMER_IOJS_PREFIX}" | "io.js")
BEAMER_FLAVOR="${BEAMER_IOJS_PREFIX}"
unset PATTERN
;;
"${BEAMER_BEAM_PREFIX}")
BEAMER_FLAVOR="${BEAMER_BEAM_PREFIX}"
unset PATTERN
;;
esac
if beamer_validate_implicit_alias "${PATTERN-}" 2>/dev/null; then
beamer_err 'Implicit aliases are not supported in beamer_remote_versions.'
return 1
fi
local BEAMER_LS_REMOTE_EXIT_CODE
BEAMER_LS_REMOTE_EXIT_CODE=0
local BEAMER_LS_REMOTE_PRE_MERGED_OUTPUT
BEAMER_LS_REMOTE_PRE_MERGED_OUTPUT=''
local BEAMER_LS_REMOTE_POST_MERGED_OUTPUT
BEAMER_LS_REMOTE_POST_MERGED_OUTPUT=''
if [ -z "${BEAMER_FLAVOR-}" ] || [ "${BEAMER_FLAVOR-}" = "${BEAMER_BEAM_PREFIX}" ]; then
local BEAMER_LS_REMOTE_OUTPUT
# extra space is needed here to avoid weird behavior when `beamer_ls_remote` ends in a `*`
BEAMER_LS_REMOTE_OUTPUT="$(BEAMER_LTS="${BEAMER_LTS-}" beamer_ls_remote "${PATTERN-}") " &&:
BEAMER_LS_REMOTE_EXIT_CODE=$?
# split output into two
BEAMER_LS_REMOTE_PRE_MERGED_OUTPUT="${BEAMER_LS_REMOTE_OUTPUT%%v4\.0\.0*}"
BEAMER_LS_REMOTE_POST_MERGED_OUTPUT="${BEAMER_LS_REMOTE_OUTPUT#"$BEAMER_LS_REMOTE_PRE_MERGED_OUTPUT"}"
fi
local BEAMER_LS_REMOTE_IOJS_EXIT_CODE
BEAMER_LS_REMOTE_IOJS_EXIT_CODE=0
local BEAMER_LS_REMOTE_IOJS_OUTPUT
BEAMER_LS_REMOTE_IOJS_OUTPUT=''
if [ -z "${BEAMER_LTS-}" ] && {
[ -z "${BEAMER_FLAVOR-}" ] || [ "${BEAMER_FLAVOR-}" = "${BEAMER_IOJS_PREFIX}" ];
}; then
BEAMER_LS_REMOTE_IOJS_OUTPUT=$(beamer_ls_remote_iojs "${PATTERN-}") &&:
BEAMER_LS_REMOTE_IOJS_EXIT_CODE=$?
fi
# the `sed` removes both blank lines, and only-whitespace lines (see "weird behavior" ~19 lines up)
VERSIONS="$(beamer_echo "${BEAMER_LS_REMOTE_PRE_MERGED_OUTPUT}
${BEAMER_LS_REMOTE_IOJS_OUTPUT}
${BEAMER_LS_REMOTE_POST_MERGED_OUTPUT}" | beamer_grep -v "N/A" | command sed '/^ *$/d')"
if [ -z "${VERSIONS}" ]; then
beamer_echo 'N/A'
return 3
fi
# the `sed` is to remove trailing whitespaces (see "weird behavior" ~25 lines up)
beamer_echo "${VERSIONS}" | command sed 's/ *$//g'
# shellcheck disable=SC2317
return $BEAMER_LS_REMOTE_EXIT_CODE || $BEAMER_LS_REMOTE_IOJS_EXIT_CODE
}
beamer_is_valid_version() {
if beamer_validate_implicit_alias "${1-}" 2>/dev/null; then
return 0
fi
case "${1-}" in
"$(beamer_iojs_prefix)" | \
"$(beamer_beam_prefix)")
return 0
;;
*)
local VERSION
VERSION="$(beamer_strip_iojs_prefix "${1-}")"
beamer_version_greater_than_or_equal_to "${VERSION}" 0
;;
esac
}
beamer_normalize_version() {
command awk 'BEGIN {
split(ARGV[1], a, /\./);
printf "%d%06d%06d\n", a[1], a[2], a[3];
exit;
}' "${1#v}"
}
beamer_normalize_lts() {
local LTS
LTS="${1-}"
case "${LTS}" in
lts/-[123456789] | lts/-[123456789][0123456789]*)
local N
N="$(echo "${LTS}" | cut -d '-' -f 2)"
N=$((N+1))
# shellcheck disable=SC2181
if [ $? -ne 0 ]; then
beamer_echo "${LTS}"
return 0
fi
local BEAMER_ALIAS_DIR
BEAMER_ALIAS_DIR="$(beamer_alias_path)"
local RESULT
RESULT="$(command ls "${BEAMER_ALIAS_DIR}/lts" | command tail -n "${N}" | command head -n 1)"
if [ "${RESULT}" != '*' ]; then
beamer_echo "lts/${RESULT}"
else
beamer_err 'That many LTS releases do not exist yet.'
return 2
fi
;;
*)
beamer_echo "${LTS}"
;;
esac
}
beamer_ensure_version_prefix() {
local BEAMER_VERSION
BEAMER_VERSION="$(beamer_strip_iojs_prefix "${1-}" | command sed -e 's/^\([0-9]\)/v\1/g')"
if beamer_is_iojs_version "${1-}"; then
beamer_add_iojs_prefix "${BEAMER_VERSION}"
else
beamer_echo "${BEAMER_VERSION}"
fi
}
beamer_format_version() {
local VERSION
VERSION="$(beamer_ensure_version_prefix "${1-}")"
local NUM_GROUPS
NUM_GROUPS="$(beamer_num_version_groups "${VERSION}")"
if [ "${NUM_GROUPS}" -lt 3 ]; then
beamer_format_version "${VERSION%.}.0"
else
beamer_echo "${VERSION}" | command cut -f1-3 -d.
fi
}
beamer_num_version_groups() {
local VERSION
VERSION="${1-}"
VERSION="${VERSION#v}"
VERSION="${VERSION%.}"
if [ -z "${VERSION}" ]; then
beamer_echo "0"
return
fi
local BEAMER_NUM_DOTS
BEAMER_NUM_DOTS=$(beamer_echo "${VERSION}" | command sed -e 's/[^\.]//g')
local BEAMER_NUM_GROUPS
BEAMER_NUM_GROUPS=".${BEAMER_NUM_DOTS}" # add extra dot, since it's (n - 1) dots at this point
beamer_echo "${#BEAMER_NUM_GROUPS}"
}
beamer_strip_path() {
if [ -z "${BEAMER_DIR-}" ]; then
beamer_err '${BEAMER_DIR} not set!'
return 1
fi
command printf %s "${1-}" | command awk -v BEAMER_DIR="${BEAMER_DIR}" -v RS=: '
index($0, BEAMER_DIR) == 1 {
path = substr($0, length(BEAMER_DIR) + 1)
if (path ~ "^(/versions/[^/]*)?/[^/]*'"${2-}"'.*$") { next }
}
# The final RT will contain a colon if the input has a trailing colon, or a null string otherwise
{ printf "%s%s", sep, $0; sep=RS } END { printf "%s", RT }'
}
beamer_change_path() {
# if there’s no initial path, just return the supplementary path
if [ -z "${1-}" ]; then
beamer_echo "${3-}${2-}"
# if the initial path doesn’t contain an beamer path, prepend the supplementary
# path
elif ! beamer_echo "${1-}" | beamer_grep -q "${BEAMER_DIR}/[^/]*${2-}" \
&& ! beamer_echo "${1-}" | beamer_grep -q "${BEAMER_DIR}/versions/[^/]*/[^/]*${2-}"; then
beamer_echo "${3-}${2-}:${1-}"
# if the initial path contains BOTH an beamer path (checked for above) and
# that beamer path is preceded by a system binary path, just prepend the
# supplementary path instead of replacing it.
# https://github.com/beamer-sh/beamer/issues/1652#issuecomment-342571223
elif beamer_echo "${1-}" | beamer_grep -Eq "(^|:)(/usr(/local)?)?${2-}:.*${BEAMER_DIR}/[^/]*${2-}" \
|| beamer_echo "${1-}" | beamer_grep -Eq "(^|:)(/usr(/local)?)?${2-}:.*${BEAMER_DIR}/versions/[^/]*/[^/]*${2-}"; then
beamer_echo "${3-}${2-}:${1-}"
# use sed to replace the existing beamer path with the supplementary path. This
# preserves the order of the path.
else
beamer_echo "${1-}" | command sed \
-e "s#${BEAMER_DIR}/[^/]*${2-}[^:]*#${3-}${2-}#" \
-e "s#${BEAMER_DIR}/versions/[^/]*/[^/]*${2-}[^:]*#${3-}${2-}#"
fi
}
beamer_binary_available() {
# binaries started with beam 0.8.6
beamer_version_greater_than_or_equal_to "$(beamer_strip_iojs_prefix "${1-}")" v0.8.6
}
beamer_set_colors() {
if [ "${#1}" -eq 5 ] && beamer_echo "$1" | beamer_grep -E "^[rRgGbBcCyYmMkKeW]{1,}$" 1>/dev/null; then
local INSTALLED_COLOR
local LTS_AND_SYSTEM_COLOR
local CURRENT_COLOR
local NOT_INSTALLED_COLOR
local DEFAULT_COLOR
INSTALLED_COLOR="$(echo "$1" | awk '{ print substr($0, 1, 1); }')"
LTS_AND_SYSTEM_COLOR="$(echo "$1" | awk '{ print substr($0, 2, 1); }')"
CURRENT_COLOR="$(echo "$1" | awk '{ print substr($0, 3, 1); }')"
NOT_INSTALLED_COLOR="$(echo "$1" | awk '{ print substr($0, 4, 1); }')"
DEFAULT_COLOR="$(echo "$1" | awk '{ print substr($0, 5, 1); }')"
if ! beamer_has_colors; then
beamer_echo "Setting colors to: ${INSTALLED_COLOR} ${LTS_AND_SYSTEM_COLOR} ${CURRENT_COLOR} ${NOT_INSTALLED_COLOR} ${DEFAULT_COLOR}"
beamer_echo "WARNING: Colors may not display because they are not supported in this shell."
else
beamer_echo_with_colors "Setting colors to: $(beamer_wrap_with_color_code "${INSTALLED_COLOR}" "${INSTALLED_COLOR}")$(beamer_wrap_with_color_code "${LTS_AND_SYSTEM_COLOR}" "${LTS_AND_SYSTEM_COLOR}")$(beamer_wrap_with_color_code "${CURRENT_COLOR}" "${CURRENT_COLOR}")$(beamer_wrap_with_color_code "${NOT_INSTALLED_COLOR}" "${NOT_INSTALLED_COLOR}")$(beamer_wrap_with_color_code "${DEFAULT_COLOR}" "${DEFAULT_COLOR}")"
fi
export BEAMER_COLORS="$1"