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chrisnovakovicchrisnovakovic
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Use Please v17.24.2's pleasew script (#333)
Primarily, this is to make sure the correct Please binary is downloaded on linux_arm64.
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‎pleasew‎

Lines changed: 152 additions & 62 deletions
Original file line numberDiff line numberDiff line change
@@ -1,97 +1,187 @@
1-
#!/usr/bin/env bash
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#!/bin/sh
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3+
set -e
24
set -u
35

4-
RED="\x1B[31m"
5-
GREEN="\x1B[32m"
6-
YELLOW="\x1B[33m"
7-
RESET="\x1B[0m"
6+
ESC="$(printf '\033')"
87

9-
DEFAULT_URL_BASE="https://get.please.build"
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if [ "${NOCOLOR+x}" != 'x' ] || [ "${NO_COLOR+x}" != 'x' ]; then
9+
RED="${ESC}[31m"
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GREEN="${ESC}[32m"
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YELLOW="${ESC}[33m"
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RESET="${ESC}[0m"
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else
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RED=''
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GREEN=''
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YELLOW=''
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RESET=''
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fi
1019

11-
OS="$(uname)"
20+
OS=""
21+
ARCH=""
1222

13-
if [[ $OS == "Darwin" ]]; then
14-
# switch between mac amd64/arm64
15-
ARCH="$(uname -m)"
16-
else
17-
# default to amd64 on other operating systems
18-
# because we only build intel binaries
19-
ARCH="amd64"
23+
case "$(uname)" in
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Linux)
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OS=linux
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case "$(uname -m)" in
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x86_64) ARCH=amd64 ;;
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aarch64*|armv8b|armv8l) ARCH=arm64 ;;
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esac
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;;
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Darwin)
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OS=darwin
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case "$(uname -m)" in
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x86_64) ARCH=amd64 ;;
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arm64) ARCH=arm64 ;;
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esac
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;;
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FreeBSD)
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OS=freebsd
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case "$(uname -m)" in
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amd64) ARCH=amd64 ;;
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esac
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;;
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*)
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printf >&2 '%bPlease does not support the %s operating system.%b\n' \
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"${RED}" "$(uname)" "${RESET}"
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exit 1
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;;
49+
esac
50+
51+
if [ -z "$ARCH" ]; then
52+
printf >&2 '%bPlease does not support the %s architecture on %s.%b\n' \
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"${RED}" "$(uname -m)" "$(uname)" "${RESET}"
54+
exit 1
2055
fi
2156

22-
# Check PLZ_CONFIG_PROFILE or fall back to arguments for a profile.
23-
PROFILE="${PLZ_CONFIG_PROFILE:-$(sed -E 's/.*--profile[= ]([^ ]+).*/\1/g' <<< "$*")}"
57+
DEFAULT_URL_BASE='https://get.please.build'
58+
59+
has_command () {
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command -v "${1}" > /dev/null 2>&1
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}
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63+
get_profile () {
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while [ "${#}" -gt 0 ]
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do
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case "${1}" in
67+
--profile=*) echo "${1#*=}"; return;;
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--profile) echo "${2}"; return;;
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*) shift;;
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esac
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done
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}
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74+
# Check `PLZ_CONFIG_PROFILE` or fall back to arguments for a profile.
75+
PROFILE="${PLZ_CONFIG_PROFILE:-$(get_profile "${@}")}"
2476

2577
# Config files on order of precedence high to low.
26-
CONFIGS=(
27-
".plzconfig.local"
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"${PROFILE:+.plzconfig.$PROFILE}"
29-
".plzconfig_${OS}_${ARCH}"
30-
".plzconfig"
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"$HOME/.config/please/plzconfig"
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"/etc/please/plzconfig"
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)
34-
35-
function read_config() {
36-
grep -i "$1" "${CONFIGS[@]}" 2>/dev/null | head -n 1
78+
CONFIGS="$(cat <<- EOS
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.plzconfig.local
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${PROFILE:+.plzconfig.${PROFILE}}
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.plzconfig_${OS}_${ARCH}
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.plzconfig
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${HOME}/.config/please/plzconfig
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/etc/please/plzconfig
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EOS
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)"
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88+
read_config() {
89+
# Disable globbing to ensure word-splitting is safe.
90+
set -f
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92+
old_ifs="${IFS}"
93+
search_term="${1}"
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95+
IFS='
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'
97+
98+
# This is intended, we *do* want word-splitting here.
99+
# shellcheck disable=2086
100+
set -- ${CONFIGS}
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102+
grep -i "${search_term}" "${@}" 2> /dev/null | head -n 1
103+
104+
IFS="${old_ifs}"
105+
set +f
37106
}
38107

39108
# We might already have it downloaded...
40-
LOCATION="$(read_config "^location" | cut -d '=' -f 2 | tr -d ' ')"
41-
if [ -z "$LOCATION" ]; then
42-
if [ -z "$HOME" ]; then
43-
echo -e >&2 "${RED}\$HOME not set, not sure where to look for Please.${RESET}"
109+
LOCATION="$(read_config '^\s*location' | cut -d '=' -f 2 | tr -d ' ')"
110+
111+
if [ "${LOCATION:+x}" != 'x' ]; then
112+
if [ "${HOME:+x}" != 'x' ]; then
113+
# shellcheck disable=2016
114+
printf >&2 '%b$HOME not set, not sure where to look for Please.%b\n' "${RED}" "${RESET}"
44115
exit 1
45116
fi
117+
46118
LOCATION="${HOME}/.please"
47119
else
48120
# It can contain a literal ~, need to explicitly handle that.
49-
LOCATION="${LOCATION/\~/$HOME}"
121+
LOCATION="$(echo "${LOCATION}" | sed "s|~|${HOME}|")"
50122
fi
123+
51124
# If this exists at any version, let it handle any update.
52125
TARGET="${LOCATION}/please"
53-
if [ -f "$TARGET" ]; then
54-
exec "$TARGET" ${PLZ_ARGS:-} "$@"
126+
127+
if [ -f "${TARGET}" ]; then
128+
# shellcheck disable=2086
129+
exec "${TARGET}" ${PLZ_ARGS:-} "${@}"
55130
fi
56131

57-
URL_BASE="$(read_config "^downloadlocation" | cut -d '=' -f 2 | tr -d ' ')"
58-
if [ -z "$URL_BASE" ]; then
59-
URL_BASE=$DEFAULT_URL_BASE
132+
URL_BASE="$(read_config '^\s*downloadlocation' | cut -d '=' -f 2 | tr -d ' ')"
133+
134+
if [ "${URL_BASE:+x}" != 'x' ]; then
135+
URL_BASE="${DEFAULT_URL_BASE}"
60136
fi
137+
61138
URL_BASE="${URL_BASE%/}"
62139

63-
VERSION="$(read_config "^version[^a-z]")"
64-
VERSION="${VERSION#*=}" # Strip until after first =
65-
VERSION="${VERSION/ /}" # Remove all spaces
66-
VERSION="${VERSION#>=}" # Strip any initial >=
67-
if [ -z "$VERSION" ]; then
68-
echo -e >&2 "${YELLOW}Can't determine version, will use latest.${RESET}"
69-
VERSION=$(curl -fsSL ${URL_BASE}/latest_version)
70-
fi
140+
VERSION="$(read_config '^\s*version[^a-z]')"
141+
VERSION="${VERSION#*=}" # Strip until after first =
142+
VERSION="$(echo "${VERSION}" | tr -d ' ')" # Remove all spaces
143+
VERSION="${VERSION#>=}" # Strip any initial >=
71144

72-
# Find the os / arch to download. You can do this quite nicely with go env
73-
# but we use this script on machines that don't necessarily have Go itself.
74-
if [ "$OS" = "Linux" ]; then
75-
GOOS="linux"
76-
elif [ "$OS" = "Darwin" ]; then
77-
GOOS="darwin"
145+
if has_command curl; then
146+
TRANSFER_TOOL='curl'
147+
TRANSFER_SILENT_OPTS='-fsSL'
148+
TRANSFER_PROGRESS_OPTS='-fSL'
149+
elif has_command wget; then
150+
TRANSFER_TOOL='wget'
151+
TRANSFER_SILENT_OPTS='-qO-'
152+
TRANSFER_PROGRESS_OPTS='-O-'
78153
else
79-
echo -e >&2 "${RED}Unknown operating system $OS${RESET}"
154+
printf >&2 '%bUnable to find a command for network operations%b\n' "${RED}" "${RESET}"
155+
printf >&2 'Please install either curl or wget\n'
80156
exit 1
81157
fi
82158

83-
PLEASE_URL="${URL_BASE}/${GOOS}_${ARCH}/${VERSION}/please_${VERSION}.tar.xz"
159+
if [ "${VERSION:+x}" != 'x' ]; then
160+
printf >&2 "%bCan't determine version, will use latest.%b\n" "${YELLOW}" "${RESET}"
161+
VERSION=$(${TRANSFER_TOOL} ${TRANSFER_SILENT_OPTS} "${URL_BASE}"/latest_version)
162+
fi
163+
164+
PLEASE_URL="${URL_BASE}/${OS}_${ARCH}/${VERSION}/please_${VERSION}.tar.xz"
84165
DIR="${LOCATION}/${VERSION}"
166+
85167
# Potentially we could reuse this but it's easier not to really.
86-
if [ ! -d "$DIR" ]; then
87-
rm -rf "$DIR"
168+
if [ ! -d "${DIR}" ]; then
169+
rm -Rf "${DIR}"
170+
fi
171+
172+
printf >&2 '%bDownloading Please %s to %s...%b\n' "${GREEN}" "${VERSION}" "${DIR}" "${RESET}"
173+
mkdir -p "${DIR}"
174+
${TRANSFER_TOOL} ${TRANSFER_PROGRESS_OPTS} "${PLEASE_URL}" | tar -xJpf- --strip-components=1 -C "${DIR}"
175+
if [ $? -ne 0 ]; then
176+
printf >&2 '%bFailed to download Please%b\n' "${RED}" "${RESET}"
177+
exit 1
88178
fi
89-
echo -e >&2 "${GREEN}Downloading Please ${VERSION} to ${DIR}...${RESET}"
90-
mkdir -p "$DIR"
91-
curl -fsSL "${PLEASE_URL}" | tar -xJpf- --strip-components=1 -C "$DIR"
179+
92180
# Link it all back up a dir
93-
for x in $(ls "$DIR"); do
94-
ln -sf "${DIR}/${x}" "$LOCATION"
181+
for x in "${DIR}"/*; do
182+
ln -sf "${x}" "${LOCATION}"
95183
done
96-
echo -e >&2 "${GREEN}Should be good to go now, running plz...${RESET}"
97-
exec "$TARGET" ${PLZ_ARGS:-} "$@"
184+
185+
printf >&2 '%bShould be good to go now, running plz...%b\n' "${GREEN}" "${RESET}"
186+
# shellcheck disable=2086
187+
exec "${TARGET}" ${PLZ_ARGS:-} "${@}"

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