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kerl
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kerl
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#!/bin/sh
# Copyright (c) 2016- Jade Allen
# Copyright (c) 2011, 2012 Spawngrid, Inc
# Copyright (c) 2011 Evax Software <contact(at)evax(dot)org>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
# shellcheck disable=SC2250 # Prefer putting braces around variable references even when not strictly required
# shellcheck disable=SC2292 # Prefer `[[ ]]` over `[ ]` for tests in Bash/Ksh
# shellcheck disable=SC2312 # Consider invoking this command separately to avoid masking its return value (or use '|| true' to ignore)
unset ERL_TOP
# Make sure CDPATH doesn't affect cd in case path is relative.
unset CDPATH
if [ -n "$KERL_DEBUG" ]; then
set -x
## Line numbers do not work in dash (aka Debian/Ubuntu sh)
## so you may want to change sh to bash to get better debug info
if [ -n "${LINENO}" ]; then
PS4='+ ${LINENO}: '
fi
fi
KERL_VERSION='4.0.0'
OLDEST_OTP_LISTED='17'
OLDEST_OTP_SUPPORTED='24'
ERLANG_DOWNLOAD_URL='https://erlang.org/download'
KERL_CONFIG_STORAGE_FILENAME='.kerl_config'
_KERL_SCRIPT=$0
# Redirect to stderr only if it is a terminal, otherwise mute
stderr() {
if [ -t 1 ]; then
if [ -z "$l" ] || [ "$KERL_COLORIZE" -eq 0 ]; then
echo "$*" 1>&2
else
left="$(colorize "$l")"
# shellcheck disable=SC2086 # Double quote to prevent globbing and word splitting
right="$(tput $KERL_COLOR_RESET)"
echo "${left}$*${right}" 1>&2
unset -v l
fi
elif [ -n "$KERL_DEBUG" ] && [ -n "$CI" ]; then
echo "$*"
fi
}
nocolor() {
# $1: log entry
stderr "$1"
}
usage_exit() {
# $1: usage tip
l=error stderr "usage: ${_KERL_SCRIPT} $1"
exit 1
}
error() {
# $1: log entry
l=error stderr "ERROR: $1"
}
warn() {
# $1: log entry
# $2: use 'noprefix' if you want to omit WARNING:
if [ "$2" != "noprefix" ]; then
l=warn stderr "WARNING: $1"
else
l=warn stderr "$1"
fi
}
notice() {
# $1: log entry
l=notice stderr "$1"
}
success() {
# $1: log entry
l=success stderr "$1"
}
tip() {
# $1: log entry
l=tip stderr "$1"
}
init_build_logfile() {
# $1: release
# $2: build name
BUILD_LOGFILE="$KERL_BUILD_DIR/$2/otp_build_$1.log"
rm -f "$BUILD_LOGFILE"
touch "$BUILD_LOGFILE"
tip "Initializing (build) log file at $BUILD_LOGFILE".
}
log_build_entry() {
# $1: log entry
echo "$1" >>"$BUILD_LOGFILE" 2>&1
}
log_build_cmd() {
# $*: command
build_cmd="$*"
eval "$build_cmd" >>"$BUILD_LOGFILE" 2>&1
}
init_install_logfile() {
# $1: release
# $2: build name
INSTALL_LOGFILE="$KERL_BUILD_DIR/$2/otp_install_$1.log"
rm -f "$INSTALL_LOGFILE"
touch "$INSTALL_LOGFILE"
tip "Initializing (install) log file at $INSTALL_LOGFILE".
}
log_install_cmd() {
# $*: command
install_cmd="$*"
eval "$install_cmd" >>"$INSTALL_LOGFILE" 2>&1
}
# Check if tput is available for colorize
tp=$(tput sgr0 1>/dev/null 2>&1 && printf "OK" || printf "")
if [ -z "$tp" ]; then
if [ -z "$CI" ]; then
nocolor "Colorization disabled as 'tput' (via 'ncurses') seems to be unavailable."
fi
KERL_COLOR_AVAILABLE=0
KERL_COLORIZE=0 # Force disabling colorization
else
KERL_COLOR_AVAILABLE=1
if [ -n "$KERL_COLOR_D" ]; then
KERL_COLOR_RESET="setaf $KERL_COLOR_D"
else
KERL_COLOR_RESET="sgr0"
fi
fi
colorize() {
case "$1" in
"error")
ret="$(tput setaf "${KERL_COLOR_E:=1}")"
;;
"warn")
ret="$(tput setaf "${KERL_COLOR_W:=3}")"
;;
"notice")
ret="$(tput setaf "${KERL_COLOR_N:=4}")"
;;
"tip")
ret="$(tput setaf "${KERL_COLOR_T:=6}")"
;;
"success")
ret="$(tput setaf "${KERL_COLOR_S:=2}")"
;;
*)
ret="$(tput setaf "${KERL_COLOR_D:=9}")"
;;
esac
printf "%b" "$ret"
}
autoclean() {
if [ "${KERL_AUTOCLEAN:=1}" -eq 1 ]; then
notice "Auto cleaning all artifacts except the log file..."
tip "(use KERL_AUTOCLEAN=0 to keep build on failure, if desired)"
# Save LOGFILE
tmplf="$(mktemp "$TMP_DIR"/kerl.XXXXXX)"
test -f "$BUILD_LOGFILE" && cp -f "$BUILD_LOGFILE" "$tmplf"
# Cleaning current build
cd - 1>/dev/null 2>&1 || return 0
test -n "$1" && ${_KERL_SCRIPT} cleanup "$1"
# Copy BUILD_LOGFILE back to keep track of all attempts until success
mkdir -p "$(dirname "$BUILD_LOGFILE")"
mv -f "$tmplf" "$BUILD_LOGFILE"
unset tmplf
else
warn "auto cleaning (on failure) disabled!"
fi
}
TMP_DIR=${TMP_DIR:-'/tmp'}
if [ -z "$HOME" ]; then
error "\$HOME is empty or not set."
exit 1
fi
# Default values
KERL_BASE_DIR=${KERL_BASE_DIR:="$HOME"/.kerl}
KERL_CONFIG=${KERL_CONFIG:="$HOME"/.kerlrc}
KERL_DOWNLOAD_DIR=${KERL_DOWNLOAD_DIR:="${KERL_BASE_DIR:?}"/archives}
KERL_BUILD_DIR=${KERL_BUILD_DIR:="${KERL_BASE_DIR:?}"/builds}
KERL_GIT_DIR=${KERL_GIT_DIR:="${KERL_BASE_DIR:?}"/gits}
KERL_GIT_BASE=https://raw.githubusercontent.com/kerl/kerl/master
KERL_COLORIZE=${KERL_COLORIZE:=$KERL_COLOR_AVAILABLE}
KERL_INCLUDE_RELEASE_CANDIDATES=${KERL_INCLUDE_RELEASE_CANDIDATES:=no}
KERL_CHECK_BUILD_PACKAGES=${KERL_CHECK_BUILD_PACKAGES:="yes"}
act_on_kerl_cfgs() {
# $1: kerl config. flags (we're only interested in the keys)
# $2: action - cache | restore (default)
for _KERL_CFG in $1; do
k=$(echo "$_KERL_CFG" | \sed 's|\(.*\)=.*|\1|')
if [ "$2" = cache ]; then
eval "_KERL_CFG_VAR=\$${k}"
eval "_KERL_TARGET_VAR=__${k}"
elif [ "$2" = restore ]; then
eval "_KERL_CFG_VAR=\$__${k}"
eval "_KERL_TARGET_VAR=${k}"
fi
if [ -n "${_KERL_CFG_VAR}" ]; then
# shellcheck disable=SC2154 # _KERL_TARGET_VAR is referenced but not assigned
eval "$_KERL_TARGET_VAR=\"$_KERL_CFG_VAR\""
fi
done
}
# List is [<config_key>=<def_value>, ...]
_KERL_CFGS="
OTP_GITHUB_URL=https://github.com/erlang/otp
KERL_CONFIGURE_OPTIONS=
KERL_CONFIGURE_APPLICATIONS=
KERL_CONFIGURE_DISABLE_APPLICATIONS=
KERL_SASL_STARTUP=
KERL_DEPLOY_SSH_OPTIONS=
KERL_DEPLOY_RSYNC_OPTIONS=
KERL_INSTALL_MANPAGES=
KERL_INSTALL_HTMLDOCS=
KERL_BUILD_PLT=
KERL_BUILD_DOCS=
KERL_DOC_TARGETS=chunks
KERL_BUILD_BACKEND=
KERL_RELEASE_TARGET=
"
act_on_kerl_cfgs "$_KERL_CFGS" "cache"
eval "$_KERL_CFGS"
# ensure the base dir exists
mkdir -p "$KERL_BASE_DIR" || exit 1
# source the config file if available
if [ -f "$KERL_CONFIG" ]; then
# shellcheck source=/dev/null
. "$KERL_CONFIG"
fi
act_on_kerl_cfgs "$_KERL_CFGS" "restore"
if [ -z "$KERL_SASL_STARTUP" ]; then
INSTALL_OPT='-minimal'
else
INSTALL_OPT='-sasl'
fi
if [ -z "$KERL_BUILD_BACKEND" ]; then
KERL_BUILD_BACKEND='git'
fi
if [ "$KERL_BUILD_BACKEND" = 'git' ]; then
KERL_USE_AUTOCONF=1
elif [ "$KERL_BUILD_BACKEND" != 'tarball' ]; then
error "unhandled value KERL_BUILD_BACKEND=${KERL_BUILD_BACKEND}."
tip "KERL_BUILD_BACKEND must be either 'git' (default), or 'tarball'."
exit 1
fi
KERL_SYSTEM=$(uname -s)
case "$KERL_SYSTEM" in
Darwin | FreeBSD | OpenBSD)
MD5SUM='openssl md5'
MD5SUM_FIELD=2
SED_OPT=-E
;;
*)
MD5SUM=md5sum
MD5SUM_FIELD=1
SED_OPT=-r
;;
esac
k_usage() {
nocolor "kerl: build and install Erlang/OTP"
nocolor "usage: ${_KERL_SCRIPT} <command> [options ...]"
nocolor ""
nocolor " <command> Command to be executed"
nocolor ""
nocolor "Valid commands are:"
nocolor " build Build specified release or git repository"
nocolor " install Install the specified release at the given location"
nocolor " build-install Builds and installs the specified release or git repository at the given location"
nocolor " deploy Deploy the specified installation to the given host and location"
nocolor " update Update the list of available releases from your source provider"
nocolor " list List releases, builds and installations"
nocolor " delete Delete builds and installations"
nocolor " path Print the path of a given installation"
nocolor " active Print the path of the active installation"
nocolor " plt Print Dialyzer PLT path for the active installation"
nocolor " status Print available builds and installations"
nocolor " prompt Print a string suitable for insertion in prompt"
nocolor " cleanup Remove compilation artifacts (use after installation)"
nocolor " emit-activate Print the activate script"
nocolor " version Print current version (current: $KERL_VERSION)"
exit 1
}
if [ $# -eq 0 ]; then k_usage; fi
get_releases() {
# $1: path to file otp_releases
if [ "$KERL_BUILD_BACKEND" = 'git' ]; then
if ! get_git_releases "$1"; then
return 1
fi
else
if ! get_tarball_releases "$1"; then
return 1
fi
fi
}
get_git_releases() {
tmp="$(mktemp "$TMP_DIR"/kerl.XXXXXX)"
# shellcheck disable=SC2154 # OTP_GITHUB_URL is referenced but not assigned
git ls-remote --tags --refs "$OTP_GITHUB_URL" >"$tmp"
ret=$?
notice "Getting releases from GitHub..."
if [ "$ret" -eq 0 ]; then
if ! cut <"$tmp" -f2 |
cut -d'/' -f3- |
sed "$SED_OPT" \
-e '# Delete all tags starting with ":" as to not mix' \
-e '# them with the prefixed lines we`re generating next.' \
-e '/^:/d' \
\
-e '# Prefix "OTP*" release lines with the crux of their versions.' \
-e '# - "OTP_R16B01_RC1" => ":16B01_RC1 OTP_R16B01_RC1"' \
-e '# - "OTP_R16B03" => ":16B03 OTP_R16B03"' \
-e '# - "OTP-17.0" => ":17.0 OTP-17.0"' \
-e '# - "OTP-17.3.1" => ":17.3.1 OTP-17.3.1"' \
-e '# - "OTP-19.0-rc1" => ":19.0-rc1 OTP-19.0-rc1"' \
-e '# - "OTP-19.0-rc2" => ":19.0-rc2 OTP-19.0-rc2"' \
-e 's/^(OTP[-_](R?([0-9][^ :]*).*))/:\3 \2/' \
\
-e '# Delete all lines that did not get prefixed above.' \
-e '/^[^:]/d' \
\
-e '# Move the colon markers preceding each version prefix' \
-e '# as to precede the tag suffix instead, which will make' \
-e '# throwing the version prefixes easier later on.' \
-e '# - ":16B01_RC1 OTP_R16B03" => "16B01_RC1 :OTP_R16B01_RC1"' \
-e '# - ":16B03 OTP_R16B03" => "16B03 :OTP_R16B03"' \
-e '# - ":17.0 OTP_R16B03" => "17.0 :OTP-17.0"' \
-e '# - ":17.3.1 OTP_R16B03" => "17.3.1 :OTP-17.3.1"' \
-e '# - ":19.0-rc1 OTP_R16B03" => "19.0-rc1 :OTP-19.0-rc1"' \
-e '# - ":19.0-rc2 OTP_R16B03" => "19.0-rc2 :OTP-19.0-rc2"' \
-e 's/^:([^ ]+) /\1 :/' \
\
-e '# Repeatedly replace sequences of one or more dots, dashes' \
-e '# or underscores, within each version prefix, with single' \
-e '# space characters.' \
-e '# - "16B01_RC1 :OTP_R16B01_RC1" => "16B01 RC1 :OTP_R16B01_RC1"' \
-e '# - "16B03 :OTP_R16B03" => "16B03 :OTP_R16B03"' \
-e '# - "17.0 :OTP-17.0" => "17 0 :OTP-17.0"' \
-e '# - "17.3.1 :OTP-17.3.1" => "17 3 1 :OTP-17.3.1"' \
-e '# - "19.0-rc1 :OTP-19.0-rc1" => "19 0 rc1 :OTP-19.0-rc1"' \
-e '# - "19.0-rc2 :OTP-19.0-rc2" => "19 0 rc2 :OTP-19.0-rc2"' \
-e ':loop' \
-e 's/^([^:]*)[.-]+([^:]*) :/\1 \2 :/' \
-e 't loop' \
\
-e '# Repeatedly replace "A", "B", or "C" separators, within each' \
-e '# version prefix, with " 0 ", " 1 " and " 2 ", respectively.' \
-e '# - "16B01 RC1 :OTP_R16B01_RC1" => "16 1 01 RC1 :OTP_R16B01_RC1"' \
-e '# - "16B03 :OTP_R16B03" => "16 1 03 :OTP_R16B03"' \
-e ':loop2' \
-e 's/^(.*[0-9]+)A([^:]*) :/\1 0 \2 :/' \
-e 's/^(.*[0-9]+)B([^:]*) :/\1 1 \2 :/' \
-e 's/^(.*[0-9]+)C([^:]*) :/\1 2 \2 :/' \
-e 't loop2' \
\
-e '# Repeatedly replace space-release candidate infixes, within' \
-e '# each version prefix, with a leading zero followed by' \
-e '# the candidate number.' \
-e '# - "16 1 01 RC1 :OTP_R16B01_RC1" => "16 1 01 0 1 :OTP_R16B01_RC1"' \
-e '# - "19 0 rc1 :OTP-19.0-rc1" => "19 0 0 1 :OTP-19.0-rc1"' \
-e '# - "19 0 rc2 :OTP-19.0-rc2" => "19 0 0 2 :OTP-19.0-rc2"' \
-e ':loop3' \
-e 's/^([^:]* )(rc|RC)([0-9]+)(( [^:]*)?) :/\10 \3\4 :/' \
-e 't loop3' \
\
-e '# Repeatedly prefix single digits, within each version prefix,' \
-e '# with leading zeroes.' \
-e '# - "16 1 01 0 1 :OTP_R16B01_RC1" => "16 01 01 00 01 :OTP_R16B01_RC1"' \
-e '# - "16 1 03 :OTP_R16B03" => "16 01 03 :OTP_R16B03"' \
-e '# - "17 0 :OTP-17.0" => "17 00 :OTP-17.0"' \
-e '# - "17 3 1 :OTP-17.3.1" => "17 03 01 :OTP-17.3.1"' \
-e '# - "19 0 0 1 :OTP-19.0-rc1" => "19 00 00 01 :OTP-19.0-rc.1"' \
-e '# - "19 0 0 2 :OTP-19.0-rc2" => "19 00 00 02 :OTP-19.0-rc.2"' \
-e ':loop4' \
-e 's/^([^:]*[^0-9:])([0-9])(([^0-9][^:]*)?) :/\10\2\3 :/' \
-e 't loop4' \
\
-e '# Suffix each version prefix with 00 as to not compare ':' with a number.' \
-e '# - "16 01 01 00 01 :OTP_R16B01_RC1" => "16 01 01 00 01 00 :OTP_R16B01_RC1"' \
-e '# - "16 01 03 :OTP_R16B03" => "16 01 03 00 :OTP_R16B03"' \
-e '# - "17 00 :OTP-17.0"" => "17 00 00 :OTP-17.0"' \
-e '# - "17 03 01 :OTP-17.3.1" => "17 03 01 00 :OTP-17.3.1"' \
-e '# - "19 00 00 01 :OTP-19.0-rc.1" => "19 00 00 01 00 :OTP-19.0-rc.1"' \
-e '# - "19 00 00 02 :OTP-19.0-rc.2" => "19 00 00 02 00 :OTP-19.0-rc.2"' \
-e 's/^([^:]+) :/\1 00 :/' |
LC_ALL=C sort -n |
cut -d':' -f2- |
tee "$1" >/dev/null 2>&1; then
error "file $1 does not appear to be writable."
return 1
fi
rm -f "$tmp"
return 0
else
rm -f "$tmp"
error "git ls-remote --tags --refs $OTP_GITHUB_URL returned $ret!"
return 1
fi
}
_curl() {
# $1: <file> to write output to, instead of stdout (if body_only function only returns body)
# $2: URL to consider
# $3: extra options
if [ "$1" != body_only ]; then
_curl_extra="--output $1 --write-out %{http_code}"
fi
# shellcheck disable=SC2086 # Double quote to prevent globbing and word splitting
\curl -q --silent --location --fail $2 $3 $_curl_extra
}
get_tarball_releases() {
tmp="$(mktemp "$TMP_DIR"/kerl.XXXXXX)"
notice "Getting releases from erlang.org..."
http_code=$(_curl "$tmp" "$ERLANG_DOWNLOAD_URL")
if [ 200 = "$http_code" ]; then
if ! sed "$SED_OPT" \
-e 's/^.*<[aA] [hH][rR][eE][fF]=\"otp_src_([-0-9A-Za-z_.]+)\.tar\.gz\">.*$/\1/' \
-e '/^R1|^[0-9]/!d' "$tmp" |
sed -e 's/^R\(.*\)/\1:R\1/' |
sed -e 's/^\([^\:]*\)$/\1-z:\1/' |
sort |
cut -d: -f2 |
tee "$1" >/dev/null 2>&1; then
error "file $1 does not appear to be writable."
return 1
fi
rm -f "$tmp"
return 0
else
rm -f "$tmp"
error "$ERLANG_DOWNLOAD_URL returned $http_code!"
return 1
fi
}
update_checksum_file() {
if [ "$KERL_BUILD_BACKEND" != 'git' ]; then
notice "Getting checksum file from erlang.org..."
http_code=$(_curl "$KERL_DOWNLOAD_DIR"/MD5 "$ERLANG_DOWNLOAD_URL"/MD5)
if [ 200 != "$http_code" ]; then
error "$ERLANG_DOWNLOAD_URL/MD5 returned $http_code!"
return 1
fi
fi
}
ensure_checksum_file() {
if [ ! -s "$KERL_DOWNLOAD_DIR"/MD5 ] && ! update_checksum_file; then
return 1
fi
}
check_releases() {
# $1: force?: if force, the list is always recreated
if [ "$1" = force ]; then
if ! rm -f "${KERL_BASE_DIR:?}"/otp_releases 2>/dev/null; then
error "${KERL_BASE_DIR:?}/otp_releases cannot be removed."
return 1
fi
fi
if [ ! -f "$KERL_BASE_DIR"/otp_releases ] &&
! get_releases "$KERL_BASE_DIR"/otp_releases; then
return 1
fi
}
is_valid_release() {
if ! check_releases; then
return 1
fi
while read -r rel; do
if [ "$1" = "$rel" ]; then
return 0
fi
done <"$KERL_BASE_DIR"/otp_releases
error "'$1' is not a valid Erlang/OTP release."
return 1
}
get_release_from_name() {
# $1: build_name
if [ -f "$KERL_BASE_DIR"/otp_builds ]; then
while read -r l; do
rel=$(echo "$l" | cut -d, -f1)
name=$(echo "$l" | cut -d, -f2)
if [ "$name" = "$1" ]; then
echo "$rel"
return 0
fi
done <"$KERL_BASE_DIR"/otp_builds
fi
return 1
}
is_valid_installation() {
if [ -f "$KERL_BASE_DIR"/otp_installations ]; then
while read -r l; do
name=$(echo "$l" | cut -d' ' -f1)
path=$(echo "$l" | cut -d' ' -f2)
if [ "$name" = "$1" ] || [ "$path" = "$1" ]; then
if [ -f "$path"/activate ]; then
return 0
fi
fi
done <"$KERL_BASE_DIR"/otp_installations
fi
return 1
}
is_build_name_used() {
if [ -f "$KERL_BASE_DIR"/otp_builds ]; then
while read -r l; do
name=$(echo "$l" | cut -d, -f2)
if [ "$name" = "$1" ]; then
return 0
fi
done <"$KERL_BASE_DIR"/otp_builds
fi
return 1
}
is_older_than_x_days() {
# $1: file to check
# $2: age in days
old_file=$(find "$1" -type f -mtime "$2")
if [ -n "$old_file" ]; then
return 0
else
return 1
fi
}
lock() {
# $1: build | install
# $2: folder to act on
if [ -f "$2/$1.lock" ]; then
if is_older_than_x_days "$2/$1.lock" "+14"; then
unlock "$1" "$2"
else
error "trying to $1 in $2, but lock file ($2/$1.lock) exists!"
exit 1
fi
else
mkdir -p "$2"
touch "$2/$1.lock"
fi
}
unlock() {
# $1: build | install
# $2: folder to act on
rm -f "$2/$1.lock"
}
lock_build() {
# $_KERL_BUILD_DIR is global
lock "build" "$_KERL_BUILD_DIR"
}
unlock_build() {
# $_KERL_BUILD_DIR is global
unlock "build" "$_KERL_BUILD_DIR"
}
lock_install() {
# $_KERL_INSTALL_DIR is global
lock "install" "$_KERL_INSTALL_DIR"
}
unlock_install() {
# $_KERL_INSTALL_DIR is global
unlock "install" "$_KERL_INSTALL_DIR"
}
exit_build() {
# $1: error message
# $2: build name
if [ -n "$1" ]; then
error "$1"
fi
if [ -n "$2" ]; then
rm -Rf "${KERL_BUILD_DIR:?}/$2"
fi
unlock_build
exit 1
}
exit_install() {
# $1: error message
if [ -n "$1" ]; then
error "$1"
fi
unlock_install
exit 1
}
do_git_build() {
git_url=$1
git_version=$2
build_name=$3
if is_build_name_used "$build_name"; then
error "there's already a build named '$build_name'."
exit_build
fi
GIT=$(printf '%s' "$git_url" | $MD5SUM | cut -d ' ' -f "$MD5SUM_FIELD")
_KERL_BUILD_DIR="$KERL_GIT_DIR/$GIT"
mkdir -p "$KERL_GIT_DIR" || exit_build
cd "$KERL_GIT_DIR" || exit_build
notice "Checking out Erlang/OTP git repository from $git_url..."
if [ ! -d "$GIT" ] &&
! git clone -q --mirror "$git_url" "$GIT" >/dev/null 2>&1; then
exit_build "mirroring remote git repository ($_KERL_BUILD_DIR exists?)."
fi
lock_build
cd "$_KERL_BUILD_DIR" || exit_build
if ! git remote update --prune >/dev/null 2>&1; then
exit_build "updating remote git repository."
fi
rm -Rf "${KERL_BUILD_DIR:?}/$build_name"
mkdir -p "$KERL_BUILD_DIR/$build_name" || exit_build
cd "$KERL_BUILD_DIR/$build_name" || exit_build "" "$build_name"
if ! git clone -l "$_KERL_BUILD_DIR" otp_src_git >/dev/null 2>&1; then
exit_build "cloning local git repository." "$build_name"
fi
cd "$KERL_BUILD_DIR/$build_name/otp_src_git" || exit_build "" "$build_name"
if ! git checkout "$git_version" >/dev/null 2>&1 &&
! git checkout -b "$git_version" "$git_version" >/dev/null 2>&1; then
exit_build "could not checkout specified version." "$build_name"
fi
if [ ! -x otp_build ]; then
exit_build "not a valid Erlang/OTP repository." "$build_name"
fi
notice "Building (git) Erlang/OTP $git_version; please wait..."
if [ -z "$KERL_BUILD_AUTOCONF" ]; then
KERL_USE_AUTOCONF=1
fi
if ! _do_build 'git' "$build_name"; then
exit_build "" "$build_name"
fi
success "Erlang/OTP '$build_name' (from git) has been successfully built."
if ! list_add builds git,"$build_name"; then
exit_build "" "$build_name"
fi
unlock_build
}
get_otp_version() {
echo "$1" | sed "$SED_OPT" -e 's/R?([0-9]{1,2}).+/\1/'
}
show_configuration_warnings() {
# $1 is log file
# $2 is section header (E.g. "APPLICATIONS DISABLED")
# Find the row number for the section we are looking for
INDEX=$(\grep -n -m1 "$2" "$1" | cut -d: -f1)
# If there are no warnings, the section won't appear in the log
if [ -n "$INDEX" ]; then
# Skip the section header, find the end line and skip it
# then print the results indented
tail -n +$((INDEX + 3)) "$1" |
sed -n '1,/\*/p' |
awk -F: -v logfile="$1" -v section="$2" \
'BEGIN { printf "%s (See: %s)\n", section, logfile }
/^[^\*]/ { print " *", $0 }
END { print "" } '
fi
}
show_logfile() {
# $1 reason
# $2 log file
error "$1"
tail "$2" 1>&2
nocolor ""
tip "Please see $2 for full details."
}
show_build_logfile() {
# $1 reason
show_logfile "$1" "$BUILD_LOGFILE"
}
show_install_logfile() {
# $1 reason
show_logfile "$1" "$INSTALL_LOGFILE"
}
maybe_patch() {
# $1 = OS platform e.g., Darwin, etc
# $2 = OTP release
release=$(get_otp_version "$2")
case "$1" in
Darwin) ;;
SunOS) ;;
*) ;;
esac
}
do_normal_build() {
# $1: release
# $2: build name
if ! is_valid_release "$1"; then
exit_build
fi
if is_build_name_used "$2"; then
error "there's already a build named '$2'."
exit_build
fi
_KERL_BUILD_DIR="$KERL_BUILD_DIR/$2"
lock_build
FILENAME=""
if ! download "$1"; then
exit_build
fi
if [ ! -d "$_KERL_BUILD_DIR/$FILENAME" ]; then
notice "Extracting source code for normal build..."
UNTARDIRNAME="$_KERL_BUILD_DIR/$FILENAME-kerluntar-$$"
rm -rf "$UNTARDIRNAME"
mkdir -p "$UNTARDIRNAME" || exit_build
# github tarballs have a directory in the form of "otp[_-]TAGNAME"
# Ericsson tarballs have the classic otp_src_RELEASE pattern
# Standardize on Ericsson format because that's what the rest of the script expects
(cd "$UNTARDIRNAME" && tar xzf "$KERL_DOWNLOAD_DIR/$FILENAME".tar.gz &&
cp -rfp ./* "$_KERL_BUILD_DIR/otp_src_$1")
rm -rf "$UNTARDIRNAME"
fi
notice "Building (normal) Erlang/OTP $1 ($2); please wait..."
if ! _do_build "$1" "$2"; then
exit_build
fi
success "Erlang/OTP $1 ($2) has been successfully built."
if ! list_add builds "$1,$2"; then
exit_build
fi
unlock_build
}
_flags() {
# We used to munge the LD and DED flags for clang 9/10 shipped with
# High Sierra (macOS 10.13), Mojave (macOS 10.14) and Catalina
# (macOS 10.15)
#
# As of OTP 20.1 that is (apparently) no longer necessary and
# in OTP 24 breaks stuff. See thread and comment here:
# https://github.com/erlang/otp/issues/4821#issuecomment-845914942
case "$KERL_SYSTEM" in
Darwin)
# Make sure we don't overwrite stuff that someone who
# knows better than us set.
if [ -z "$CC" ]; then
CC='clang'
fi
CFLAGS="${CFLAGS:-}" CC="$CC" "$@"
;;
*)
CFLAGS="${CFLAGS:-}" "$@"
;;
esac
}
_dpkg() {
# gratefully stolen from
# https://superuser.com/questions/427318/test-if-a-package-is-installed-in-apt
# returns 0 (true) if found, 1 otherwise
echo "dpkg-query -Wf'\${db:Status-abbrev}' \"$1\" 2>/dev/null | \grep -q '^i'"
}
_rpm() {
echo "rpm -q \"$1\""
}
_apk() {
echo "apk -e info \"$1\""
}
common_ALL_pkgs="gcc make"
common_ALL_BUILD_BACKEND_git_pkgs="automake autoconf"
common_debian_pkgs="${common_ALL_pkgs} libssl-dev libncurses5-dev g++"
# To add package guessing magic for your Linux distro/package,
# create a variable named _KPP_<distro>_pkgs where the content
# is an array with packages, and then create a unique probe
# command, in variable _KPP_<distro>_probe to check from the package manager.
# It should return 0 if package installation is Ok, non-0 otherwise.
_KPP_alpine_pkgs="${common_ALL_pkgs} openssl-dev ncurses-dev g++"
_KPP_alpine_probe="_apk"
_KPP_debian_pkgs=${common_debian_pkgs}
_KPP_debian_probe="_dpkg"
_KPP_fedora_pkgs="${common_ALL_pkgs} openssl-devel ncurses-devel g++"
_KPP_fedora_probe="_rpm"
_KPP_linuxmint_pkgs=${common_debian_pkgs}
_KPP_linuxmint_probe="_dpkg"
_KPP_pop_pkgs=${common_debian_pkgs}
_KPP_pop_probe="_dpkg"
_KPP_rhel_pkgs="${common_ALL_pkgs} openssl-devel ncurses-devel gcc-c++"
_KPP_rhel_probe="_rpm"
_KPP_ubuntu_pkgs=${common_debian_pkgs}
_KPP_ubuntu_probe="_dpkg"
parse_os_release() {
# $1: path to os-release
# returns:
# - 2 if release ID is not found in os-release file
os_release_id0=$(\grep "^ID=" "$1")
os_release_id=$(echo "${os_release_id0}" | \sed 's|.*=||' | \sed 's|"||g')
os_release_pretty_name0=$(\grep "^PRETTY_NAME=" "$1")
os_release_pretty_name=$(echo "${os_release_pretty_name0}" | \sed 's|.*=||' | \sed 's|"||g')
log_build_entry "[packages] Found ${os_release_pretty_name} with ID ${os_release_id}"
if [ -z "${os_release_id}" ]; then
log_build_entry "[packages] Release ID not found in $1"
echo "2"
else
log_build_entry "[packages] Release ID found in $1: ${os_release_id}"
echo "${os_release_id}"
fi
}
get_id_from_os_release_files() {
# returns:
# 1 - if no release files exist
files="/etc/os-release /usr/lib/os-release"
for file in ${files}; do
if [ -f "${file}" ]; then
parsed=$(parse_os_release "${file}")
if [ "${parsed}" != "2" ]; then
break
fi
fi
done
if [ -z "${parsed}" ]; then
log_build_entry "[packages] Found no file in: ${files}. Bailing out..."
echo "1"
fi
echo "${parsed}"
}
probe_pkgs() {
os_release_id=$(get_id_from_os_release_files)
if [ "${os_release_id}" = "1" ]; then
msg="[packages] Unable to determine Linux distro (no release files); not checking build packages."
log_build_entry "${msg}"
warn "${msg}"
return 0
elif [ "${os_release_id}" = "2" ]; then
msg="[packages] Unable to determine Linux distro (no ID); not checking build packages."
log_build_entry "${msg}"
warn "${msg}"
return 0
fi
kpp=$(eval echo \$_KPP_"${os_release_id}"_pkgs)
if [ "$KERL_BUILD_BACKEND" = 'git' ]; then
kpp="${common_ALL_BUILD_BACKEND_git_pkgs} ${kpp}"
fi
if [ -n "${kpp}" ]; then
log_build_entry "[packages] Found package declarations for your Linux distro: ${os_release_id}"
for pkg in ${kpp}; do
cmd=$(eval echo "\$_KPP_${os_release_id}_probe ${pkg}")
probe=$(${cmd})
eval "${probe}" >/dev/null 2>&1
probe_res=$?
if [ "${probe_res}" != 0 ]; then
msg="[packages] Probe failed for ${pkg} (distro: ${os_release_id}): probe \"${probe}\" returned ${probe_res}"
log_build_entry "${msg}"
warn "${msg}"
else
log_build_entry "[packages] Probe success for ${pkg} (distro: ${os_release_id})!"
fi
done
else
msg="[packages] Unknown Linux distro ${os_release_id}; not checking build packages."
log_build_entry "${msg}"
warn "${msg}"
fi
}
fail_do_build() {
# $1: error message
# $2: build name
# $3: release
show_build_logfile "$1"
if [ -n "$2" ]; then
autoclean "$2"
fi