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sireeshajonnalagaddasireeshajonnalagadda
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reverted the changes for better readability
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‎src/docker-in-docker/install.sh‎

Lines changed: 122 additions & 124 deletions
Original file line numberDiff line numberDiff line change
@@ -7,8 +7,8 @@
77
# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/docker-in-docker.md
88
# Maintainer: The Dev Container spec maintainers
99
if [ -z "$BASH_VERSION" ]; then
10-
echo "❌ This script must be run with bash, not sh."
11-
exit 1
10+
echo "❌ This script must be run with bash, not sh."
11+
exit 1
1212
fi
1313
DOCKER_VERSION="${VERSION:-"latest"}" # The Docker/Moby Engine + CLI should match in version
1414
USE_MOBY="${MOBY:-"true"}"
@@ -36,8 +36,8 @@ echo "(!) $*" >&2
3636
}
3737

3838
if [ "$(id -u)" -ne 0 ]; then
39-
err 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
40-
exit 1
39+
err 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
40+
exit 1
4141
fi
4242

4343
###################
@@ -47,12 +47,12 @@ fi
4747

4848
# Determine the appropriate non-root user
4949
if [ "${USERNAME}" = "auto" ] || [ "${USERNAME}" = "automatic" ]; then
50-
USERNAME=""
51-
POSSIBLE_USERS=("vscode" "node" "codespace" "$(awk -v val=1000 -F ":" '$3==val{print $1}' /etc/passwd)")
52-
for CURRENT_USER in "${POSSIBLE_USERS[@]}"; do
50+
USERNAME=""
51+
POSSIBLE_USERS=("vscode" "node" "codespace" "$(awk -v val=1000 -F ":" '$3==val{print $1}' /etc/passwd)")
52+
for CURRENT_USER in "${POSSIBLE_USERS[@]}"; do
5353
if id -u ${CURRENT_USER} > /dev/null 2>&1; then
54-
USERNAME=${CURRENT_USER}
55-
break
54+
USERNAME=${CURRENT_USER}
55+
break
5656
fi
5757
done
5858
if [ "${USERNAME}" = "" ]; then
@@ -66,145 +66,144 @@ apt_get_update()
6666
{
6767
. /etc/os-release
6868
if [ "$ID" = "ubuntu" ] || [ "$ID" = "debian" ]; then
69-
if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
70-
echo "Running apt-get update..."
71-
apt-get update -y
72-
fi
69+
if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
70+
echo "Running apt-get update..."
71+
apt-get update -y
72+
fi
7373
fi
7474
}
7575

7676
# Checks if packages are installed and installs them if not
7777
check_packages() {
7878

7979
if [ "$ID" = "ubuntu" ] || [ "$ID" = "debian" ] || [ "$ID_LIKE" = "debian" ]; then
80-
if ! dpkg -s "$@" > /dev/null 2>&1; then
81-
apt_get_update
82-
apt-get -y install --no-install-recommends "$@"
83-
fi
80+
if ! dpkg -s "$@" > /dev/null 2>&1; then
81+
apt_get_update
82+
apt-get -y install --no-install-recommends "$@"
83+
fi
8484
elif [ "$ID" = "fedora" ] || [ "$ID" = "centos" ] || [ "$ID_LIKE" == "rhel" ]; then
85-
if ! dnf list installed "$@" > /dev/null 2>&1; then
86-
dnf -y install "$@"
87-
fi
85+
if ! dnf list installed "$@" > /dev/null 2>&1; then
86+
dnf -y install "$@"
87+
fi
8888
fi
8989

9090
}
9191
missing=0
9292
for cmd in git wget which; do
93-
command -v $cmd &>/dev/null || {
94-
echo "$cmd not found"
95-
missing=1
96-
}
93+
command -v $cmd &>/dev/null || {
94+
echo "$cmd not found"
95+
missing=1
96+
}
9797
done
9898

9999
if [ $missing -eq 1 ]; then
100-
echo "Installing missing packages..."
101-
if command -v dnf &>/dev/null; then
102-
dnf install -y git wget which curl jq
103-
elif command -v apt &>/dev/null; then
104-
apt-get update && apt-get install -y git wget curl jq
105-
else
106-
echo "Unsupported package manager"
107-
exit 1
108-
fi
100+
echo "Installing missing packages..."
101+
if command -v dnf &>/dev/null; then
102+
dnf install -y git wget which curl jq
103+
elif command -v apt &>/dev/null; then
104+
apt-get update && apt-get install -y git wget curl jq
105+
else
106+
echo "Unsupported package manager"
107+
exit 1
108+
fi
109109
fi
110110

111111

112112
# Figure out correct version of a three part version number is not passed
113113
find_version_from_git_tags() {
114-
local variable_name=$1
115-
local requested_version=${!variable_name}
116-
if [ "${requested_version}" = "none" ]; then return; fi
117-
local repository=$2
118-
local prefix=${3:-"tags/v"}
119-
local separator=${4:-"."}
120-
local last_part_optional=${5:-"false"}
121-
if [ "$(echo "${requested_version}" | grep -o "." | wc -l)" != "2" ]; then
122-
local escaped_separator=${separator//./\\.}
123-
local last_part
124-
if [ "${last_part_optional}" = "true" ]; then
125-
last_part="(${escaped_separator}[0-9]+)?"
126-
else
127-
last_part="${escaped_separator}[0-9]+"
128-
fi
129-
local regex="${prefix}\\K[0-9]+${escaped_separator}[0-9]+${last_part}$"
130-
local version_list="$(git ls-remote --tags ${repository} | grep -oP "${regex}" | tr -d ' ' | tr "${separator}" "." | sort -rV)"
131-
if [ "${requested_version}" = "latest" ] || [ "${requested_version}" = "current" ] || [ "${requested_version}" = "lts" ]; then
132-
declare -g ${variable_name}="$(echo "${version_list}" | head -n 1)"
133-
else
134-
set +e
135-
declare -g ${variable_name}="$(echo "${version_list}" | grep -E -m 1 "^${requested_version//./\\.}([\\.\\s]|$)")"
136-
set -e
137-
fi
138-
fi
139-
if [ -z "${!variable_name}" ] || ! echo "${version_list}" | grep "^${!variable_name//./\\.}$" > /dev/null 2>&1; then
140-
err "Invalid ${variable_name} value: ${requested_version}\nValid values:\n${version_list}" >&2
141-
exit 1
142-
fi
143-
echo "${variable_name}=${!variable_name}"
114+
local variable_name=$1
115+
local requested_version=${!variable_name}
116+
if [ "${requested_version}" = "none" ]; then return; fi
117+
local repository=$2
118+
local prefix=${3:-"tags/v"}
119+
local separator=${4:-"."}
120+
local last_part_optional=${5:-"false"}
121+
if [ "$(echo "${requested_version}" | grep -o "." | wc -l)" != "2" ]; then
122+
local escaped_separator=${separator//./\\.}
123+
local last_part
124+
if [ "${last_part_optional}" = "true" ]; then
125+
last_part="(${escaped_separator}[0-9]+)?"
126+
else
127+
last_part="${escaped_separator}[0-9]+"
128+
fi
129+
local regex="${prefix}\\K[0-9]+${escaped_separator}[0-9]+${last_part}$"
130+
local version_list="$(git ls-remote --tags ${repository} | grep -oP "${regex}" | tr -d ' ' | tr "${separator}" "." | sort -rV)"
131+
if [ "${requested_version}" = "latest" ] || [ "${requested_version}" = "current" ] || [ "${requested_version}" = "lts" ]; then
132+
declare -g ${variable_name}="$(echo "${version_list}" | head -n 1)"
133+
else
134+
set +e
135+
declare -g ${variable_name}="$(echo "${version_list}" | grep -E -m 1 "^${requested_version//./\\.}([\\.\\s]|$)")"
136+
set -e
137+
fi
138+
fi
139+
if [ -z "${!variable_name}" ] || ! echo "${version_list}" | grep "^${!variable_name//./\\.}$" > /dev/null 2>&1; then
140+
err "Invalid ${variable_name} value: ${requested_version}\nValid values:\n${version_list}" >&2
141+
exit 1
142+
fi
143+
echo "${variable_name}=${!variable_name}"
144144
}
145145

146146
# Use semver logic to decrement a version number then look for the closest match
147147
find_prev_version_from_git_tags() {
148-
local variable_name=$1
149-
local current_version=${!variable_name}
150-
local repository=$2
151-
# Normally a "v" is used before the version number, but support alternate cases
152-
local prefix=${3:-"tags/v"}
153-
# Some repositories use "_" instead of "." for version number part separation, support that
154-
local separator=${4:-"."}
155-
# Some tools release versions that omit the last digit (e.g. go)
156-
local last_part_optional=${5:-"false"}
157-
# Some repositories may have tags that include a suffix (e.g. actions/node-versions)
158-
local version_suffix_regex=$6
159-
# Try one break fix version number less if we get a failure. Use "set +e" since "set -e" can cause failures in valid scenarios.
160-
set +e
161-
major="$(echo "${current_version}" | grep -oE '^[0-9]+' || echo '')"
162-
minor="$(echo "${current_version}" | grep -oP '^[0-9]+\.\K[0-9]+' || echo '')"
163-
breakfix="$(echo "${current_version}" | grep -oP '^[0-9]+\.[0-9]+\.\K[0-9]+' 2>/dev/null || echo '')"
164-
165-
if [ "${minor}" = "0" ] && [ "${breakfix}" = "0" ]; then
166-
((major=major-1))
167-
declare -g ${variable_name}="${major}"
168-
# Look for latest version from previous major release
169-
find_version_from_git_tags "${variable_name}" "${repository}" "${prefix}" "${separator}" "${last_part_optional}"
170-
# Handle situations like Go's odd version pattern where "0" releases omit the last part
171-
elif [ "${breakfix}" = "" ] || [ "${breakfix}" = "0" ]; then
172-
((minor=minor-1))
173-
declare -g ${variable_name}="${major}.${minor}"
174-
# Look for latest version from previous minor release
175-
find_version_from_git_tags "${variable_name}" "${repository}" "${prefix}" "${separator}" "${last_part_optional}"
176-
else
177-
((breakfix=breakfix-1))
178-
if [ "${breakfix}" = "0" ] && [ "${last_part_optional}" = "true" ]; then
179-
declare -g ${variable_name}="${major}.${minor}"
180-
else
181-
declare -g ${variable_name}="${major}.${minor}.${breakfix}"
182-
fi
183-
fi
184-
set -e
148+
local variable_name=$1
149+
local current_version=${!variable_name}
150+
local repository=$2
151+
# Normally a "v" is used before the version number, but support alternate cases
152+
local prefix=${3:-"tags/v"}
153+
# Some repositories use "_" instead of "." for version number part separation, support that
154+
local separator=${4:-"."}
155+
# Some tools release versions that omit the last digit (e.g. go)
156+
local last_part_optional=${5:-"false"}
157+
# Some repositories may have tags that include a suffix (e.g. actions/node-versions)
158+
local version_suffix_regex=$6
159+
# Try one break fix version number less if we get a failure. Use "set +e" since "set -e" can cause failures in valid scenarios.
160+
set +e
161+
major="$(echo "${current_version}" | grep -oE '^[0-9]+' || echo '')"
162+
minor="$(echo "${current_version}" | grep -oP '^[0-9]+\.\K[0-9]+' || echo '')"
163+
breakfix="$(echo "${current_version}" | grep -oP '^[0-9]+\.[0-9]+\.\K[0-9]+' 2>/dev/null || echo '')"
164+
165+
if [ "${minor}" = "0" ] && [ "${breakfix}" = "0" ]; then
166+
((major=major-1))
167+
declare -g ${variable_name}="${major}"
168+
# Look for latest version from previous major release
169+
find_version_from_git_tags "${variable_name}" "${repository}" "${prefix}" "${separator}" "${last_part_optional}"
170+
# Handle situations like Go's odd version pattern where "0" releases omit the last part
171+
elif [ "${breakfix}" = "" ] || [ "${breakfix}" = "0" ]; then
172+
((minor=minor-1))
173+
declare -g ${variable_name}="${major}.${minor}"
174+
# Look for latest version from previous minor release
175+
find_version_from_git_tags "${variable_name}" "${repository}" "${prefix}" "${separator}" "${last_part_optional}"
176+
else
177+
((breakfix=breakfix-1))
178+
if [ "${breakfix}" = "0" ] && [ "${last_part_optional}" = "true" ]; then
179+
declare -g ${variable_name}="${major}.${minor}"
180+
else
181+
declare -g ${variable_name}="${major}.${minor}.${breakfix}"
182+
fi
183+
fi
184+
set -e
185185
}
186186

187187
# Function to fetch the version released prior to the latest version
188188
get_previous_version() {
189-
local url=$1
190-
local repo_url=$2
191-
local variable_name=$3
192-
prev_version=${!variable_name}
193-
194-
output=$(curl -s "$repo_url");
189+
local url=$1
190+
local repo_url=$2
191+
local variable_name=$3
192+
prev_version=${!variable_name}
193+
output=$(curl -s "$repo_url");
195194
if echo "$output" | jq -e 'type == "object"' > /dev/null; then
196-
message=$(echo "$output" | jq -r '.message')
195+
message=$(echo "$output" | jq -r '.message')
197196

198197
if [[ $message == "API rate limit exceeded"* ]]; then
199-
echo -e "\nAn attempt to find latest version using GitHub Api Failed... \nReason: ${message}"
200-
echo -e "\nAttempting to find latest version using GitHub tags."
201-
find_prev_version_from_git_tags prev_version "$url" "tags/v"
202-
declare -g ${variable_name}="${prev_version}"
198+
echo -e "\nAn attempt to find latest version using GitHub Api Failed... \nReason: ${message}"
199+
echo -e "\nAttempting to find latest version using GitHub tags."
200+
find_prev_version_from_git_tags prev_version "$url" "tags/v"
201+
declare -g ${variable_name}="${prev_version}"
203202
fi
204203
elif echo "$output" | jq -e 'type == "array"' > /dev/null; then
205-
echo -e "\nAttempting to find latest version using GitHub Api."
206-
version=$(echo "$output" | jq -r '.[1].tag_name')
207-
declare -g ${variable_name}="${version#v}"
204+
echo -e "\nAttempting to find latest version using GitHub Api."
205+
version=$(echo "$output" | jq -r '.[1].tag_name')
206+
declare -g ${variable_name}="${version#v}"
208207
fi
209208
echo "${variable_name}=${!variable_name}"
210209
}
@@ -226,20 +225,19 @@ export DEBIAN_FRONTEND=noninteractive
226225
. /etc/os-release
227226
# Fetch host/container architecture
228227
if [ "$ID" = "ubuntu" ] || [ "$ID" = "debian" ]; then
229-
architecture="$(dpkg --print-architecture)"
228+
architecture="$(dpkg --print-architecture)"
230229
elif [ "$ID" = "fedora" ] || [ "$ID_LIKE" = "rhel" ]; then
231-
architecture="$(uname -m)"
232-
case "$architecture" in
233-
x86_64) architecture="amd64" ;;
234-
aarch64) architecture="arm64" ;;
235-
*) echo "Unsupported architecture: $architecture"; exit 1 ;;
236-
esac
230+
architecture="$(uname -m)"
231+
case "$architecture" in
232+
x86_64) architecture="amd64" ;;
233+
aarch64) architecture="arm64" ;;
234+
*) echo "Unsupported architecture: $architecture"; exit 1 ;;
235+
esac
237236
else
238-
echo "Unsupported operating system: $ID"
239-
exit 1
237+
echo "Unsupported operating system: $ID"
238+
exit 1
240239
fi
241240

242-
243241
# Check if distro is supported
244242
if [ "${USE_MOBY}" = "true" ]; then
245243
if [[ "${DOCKER_MOBY_ARCHIVE_VERSION_CODENAMES}" != *"${VERSION_CODENAME}"* ]]; then

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