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-rwxr-xr-xfeatures/src/git/install.sh151
1 files changed, 151 insertions, 0 deletions
diff --git a/features/src/git/install.sh b/features/src/git/install.sh
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+#!/usr/bin/env bash
+#-------------------------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
+#-------------------------------------------------------------------------------------------------------------
+#
+# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/git-from-src.md
+# Maintainer: The VS Code and Codespaces Teams
+
+GIT_VERSION=${VERSION} # 'system' checks the base image first, else installs 'latest'
+USE_PPA_IF_AVAILABLE=${PPA}
+
+GIT_CORE_PPA_ARCHIVE_GPG_KEY=E1DD270288B4E6030699E45FA1715D88E1DF1F24
+GPG_KEY_SERVERS="keyserver hkp://keyserver.ubuntu.com
+keyserver hkp://keyserver.ubuntu.com:80
+keyserver hkps://keys.openpgp.org
+keyserver hkp://keyserver.pgp.com"
+
+set -e
+
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
+if [ "$(id -u)" -ne 0 ]; then
+ echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
+ exit 1
+fi
+
+# Import the specified key in a variable name passed in as
+receive_gpg_keys() {
+ local keys=${!1}
+ local keyring_args=""
+ if [ ! -z "$2" ]; then
+ mkdir -p "$(dirname \"$2\")"
+ keyring_args="--no-default-keyring --keyring $2"
+ fi
+
+ # Use a temporary location for gpg keys to avoid polluting image
+ export GNUPGHOME="/tmp/tmp-gnupg"
+ mkdir -p ${GNUPGHOME}
+ chmod 700 ${GNUPGHOME}
+ echo -e "disable-ipv6\n${GPG_KEY_SERVERS}" > ${GNUPGHOME}/dirmngr.conf
+ # GPG key download sometimes fails for some reason and retrying fixes it.
+ local retry_count=0
+ local gpg_ok="false"
+ set +e
+ until [ "${gpg_ok}" = "true" ] || [ "${retry_count}" -eq "5" ];
+ do
+ echo "(*) Downloading GPG key..."
+ ( echo "${keys}" | xargs -n 1 gpg -q ${keyring_args} --recv-keys) 2>&1 && gpg_ok="true"
+ if [ "${gpg_ok}" != "true" ]; then
+ echo "(*) Failed getting key, retring in 10s..."
+ (( retry_count++ ))
+ sleep 10s
+ fi
+ done
+ set -e
+ if [ "${gpg_ok}" = "false" ]; then
+ echo "(!) Failed to get gpg key."
+ exit 1
+ fi
+}
+
+apt_get_update()
+{
+ if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+ echo "Running apt-get update..."
+ apt-get update -y
+ fi
+}
+
+# Checks if packages are installed and installs them if not
+check_packages() {
+ if ! dpkg -s "$@" > /dev/null 2>&1; then
+ apt_get_update
+ apt-get -y install --no-install-recommends "$@"
+ fi
+}
+
+export DEBIAN_FRONTEND=noninteractive
+
+# Source /etc/os-release to get OS info
+. /etc/os-release
+
+# If the os provided version is "good enough", just install that.
+if [ ${GIT_VERSION} = "os-provided" ] || [ ${GIT_VERSION} = "system" ]; then
+ if type git > /dev/null 2>&1; then
+ echo "Detected existing system install: $(git version)"
+ # Clean up
+ rm -rf /var/lib/apt/lists/*
+ exit 0
+ fi
+
+ echo "Installing git from OS apt repository"
+ check_packages git
+ # Clean up
+ rm -rf /var/lib/apt/lists/*
+ exit 0
+fi
+
+# If ubuntu, PPAs allowed, and latest - install from there
+if ([ "${GIT_VERSION}" = "latest" ] || [ "${GIT_VERSION}" = "lts" ] || [ "${GIT_VERSION}" = "current" ]) && [ "${ID}" = "ubuntu" ] && [ "${USE_PPA_IF_AVAILABLE}" = "true" ]; then
+ echo "Using PPA to install latest git..."
+ check_packages apt-transport-https curl ca-certificates gnupg2 dirmngr
+ receive_gpg_keys GIT_CORE_PPA_ARCHIVE_GPG_KEY /usr/share/keyrings/gitcoreppa-archive-keyring.gpg
+ echo -e "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/gitcoreppa-archive-keyring.gpg] http://ppa.launchpad.net/git-core/ppa/ubuntu ${VERSION_CODENAME} main\ndeb-src [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/gitcoreppa-archive-keyring.gpg] http://ppa.launchpad.net/git-core/ppa/ubuntu ${VERSION_CODENAME} main" > /etc/apt/sources.list.d/git-core-ppa.list
+ apt-get update
+ apt-get -y install --no-install-recommends git
+ rm -rf "/tmp/tmp-gnupg"
+ rm -rf /var/lib/apt/lists/*
+ exit 0
+fi
+
+# Install required packages to build if missing
+check_packages build-essential curl ca-certificates tar gettext libssl-dev zlib1g-dev libcurl?-openssl-dev libexpat1-dev
+
+# Partial version matching
+if [ "$(echo "${GIT_VERSION}" | grep -o '\.' | wc -l)" != "2" ]; then
+ requested_version="${GIT_VERSION}"
+ version_list="$(curl -sSL -H "Accept: application/vnd.github.v3+json" "https://api.github.com/repos/git/git/tags" | grep -oP '"name":\s*"v\K[0-9]+\.[0-9]+\.[0-9]+"' | tr -d '"' | sort -rV )"
+ if [ "${requested_version}" = "latest" ] || [ "${requested_version}" = "lts" ] || [ "${requested_version}" = "current" ]; then
+ GIT_VERSION="$(echo "${version_list}" | head -n 1)"
+ else
+ set +e
+ GIT_VERSION="$(echo "${version_list}" | grep -E -m 1 "^${requested_version//./\\.}([\\.\\s]|$)")"
+ set -e
+ fi
+ if [ -z "${GIT_VERSION}" ] || ! echo "${version_list}" | grep "^${GIT_VERSION//./\\.}$" > /dev/null 2>&1; then
+ echo "Invalid git version: ${requested_version}" >&2
+ exit 1
+ fi
+fi
+
+check_packages libpcre2-dev
+
+if [ "${VERSION_CODENAME}" = "focal" ] || [ "${VERSION_CODENAME}" = "bullseye" ]; then
+ check_packages libpcre2-posix2
+elif [ "${VERSION_CODENAME}" = "bionic" ] || [ "${VERSION_CODENAME}" = "buster" ]; then
+ check_packages libpcre2-posix0
+else
+ check_packages libpcre2-posix3
+fi
+
+echo "Downloading source for ${GIT_VERSION}..."
+curl -sL https://github.com/git/git/archive/v${GIT_VERSION}.tar.gz | tar -xzC /tmp 2>&1
+echo "Building..."
+cd /tmp/git-${GIT_VERSION}
+make -s USE_LIBPCRE=YesPlease prefix=/usr/local sysconfdir=/etc all && make -s USE_LIBPCRE=YesPlease prefix=/usr/local sysconfdir=/etc install 2>&1
+rm -rf /tmp/git-${GIT_VERSION}
+rm -rf /var/lib/apt/lists/*
+echo "Done!"