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#!/bin/bash
# Copyright 2014 The Rust Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution and at
# http://rust-lang.org/COPYRIGHT.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.
# No undefined variables
set -u
init_logging() {
local _abs_libdir="$1"
local _logfile="$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/install.log"
rm -f "$_logfile"
need_ok "failed to remove old installation log"
touch "$_logfile"
need_ok "failed to create installation log"
LOGFILE="$_logfile"
}
log_line() {
local _line="$1"
if [ -n "${LOGFILE-}" -a -e "${LOGFILE-}" ]; then
echo "$_line" >> "$LOGFILE"
# Ignore errors, which may happen e.g. after the manifest dir is deleted
fi
}
msg() {
local _line="install: ${1-}"
echo "$_line"
log_line "$_line"
}
verbose_msg() {
if [ -n "${CFG_VERBOSE-}" ]; then
msg "${1-}"
else
log_line "install: ${1-}"
fi
}
step_msg() {
msg
msg "$1"
msg
}
verbose_step_msg() {
if [ -n "${CFG_VERBOSE-}" ]; then
msg
msg "$1"
msg
else
log_line ""
log_line "install: $1"
log_line ""
fi
}
warn() {
local _line="install: WARNING: $1"
echo "$_line" >&2
log_line "$_line"
}
err() {
local _line="install: error: $1"
echo "$_line" >&2
log_line "$_line"
exit 1
}
# A non-user error that is likely to result in a corrupted install
critical_err() {
local _line="install: error: $1. see logs at '${LOGFILE-}'"
echo "$_line" >&2
log_line "$_line"
exit 1
}
need_ok() {
if [ $? -ne 0 ]
then
err "$1"
fi
}
critical_need_ok() {
if [ $? -ne 0 ]
then
critical_err "$1"
fi
}
want_ok() {
if [ $? -ne 0 ]; then
warn "$1"
fi
}
assert_nz() {
if [ -z "$1" ]; then err "assert_nz $2"; fi
}
need_cmd() {
if command -v $1 >/dev/null 2>&1
then verbose_msg "found $1"
else err "need $1"
fi
}
run() {
local _line="\$ $*"
"$@"
local _retval=$?
log_line "$_line"
return $_retval
}
write_to_file() {
local _msg="$1"
local _file="$2"
local _line="$ echo \"$_msg\" > \"$_file\""
echo "$_msg" > "$_file"
local _retval=$?
log_line "$_line"
return $_retval
}
append_to_file() {
local _msg="$1"
local _file="$2"
local _line="$ echo \"$_msg\" >> \"$_file\""
echo "$_msg" >> "$_file"
local _retval=$?
log_line "$_line"
return $_retval
}
make_dir_recursive() {
local _dir="$1"
local _line="$ umask 022 && mkdir -p \"$_dir\""
umask 022 && mkdir -p "$_dir"
local _retval=$?
log_line "$_line"
return $_retval
}
putvar() {
local t
local tlen
eval t=\$$1
eval tlen=\${#$1}
}
valopt() {
VAL_OPTIONS="$VAL_OPTIONS $1"
local op=$1
local default=$2
shift
shift
local doc="$*"
if [ $HELP -eq 0 ]
then
local uop=$(echo $op | tr 'a-z-' 'A-Z_')
local v="CFG_${uop}"
eval $v="$default"
for arg in $CFG_ARGS
do
if echo "$arg" | grep -q -- "--$op="
then
local val=$(echo "$arg" | cut -f2 -d=)
eval $v=$val
fi
done
putvar $v
else
if [ -z "$default" ]
then
default="<none>"
fi
op="${op}=[${default}]"
printf " --%-30s %s\n" "$op" "$doc"
fi
}
opt() {
BOOL_OPTIONS="$BOOL_OPTIONS $1"
local op=$1
local default=$2
shift
shift
local doc="$*"
local flag=""
if [ $default -eq 0 ]
then
flag="enable"
else
flag="disable"
doc="don't $doc"
fi
if [ $HELP -eq 0 ]
then
for arg in $CFG_ARGS
do
if [ "$arg" = "--${flag}-${op}" ]
then
op=$(echo $op | tr 'a-z-' 'A-Z_')
flag=$(echo $flag | tr 'a-z' 'A-Z')
local v="CFG_${flag}_${op}"
eval $v=1
putvar $v
fi
done
else
if [ ! -z "${META-}" ]
then
op="$op=<$META>"
fi
printf " --%-30s %s\n" "$flag-$op" "$doc"
fi
}
flag() {
BOOL_OPTIONS="$BOOL_OPTIONS $1"
local op=$1
shift
local doc="$*"
if [ $HELP -eq 0 ]
then
for arg in $CFG_ARGS
do
if [ "$arg" = "--${op}" ]
then
op=$(echo $op | tr 'a-z-' 'A-Z_')
local v="CFG_${op}"
eval $v=1
putvar $v
fi
done
else
if [ ! -z "${META-}" ]
then
op="$op=<$META>"
fi
printf " --%-30s %s\n" "$op" "$doc"
fi
}
validate_opt () {
for arg in $CFG_ARGS
do
local is_arg_valid=0
for option in $BOOL_OPTIONS
do
if test --disable-$option = $arg
then
is_arg_valid=1
fi
if test --enable-$option = $arg
then
is_arg_valid=1
fi
if test --$option = $arg
then
is_arg_valid=1
fi
done
for option in $VAL_OPTIONS
do
if echo "$arg" | grep -q -- "--$option="
then
is_arg_valid=1
fi
done
if [ "$arg" = "--help" ]
then
echo
echo "No more help available for Configure options,"
echo "check the Wiki or join our IRC channel"
break
else
if test $is_arg_valid -eq 0
then
err "Option '$arg' is not recognized"
fi
fi
done
}
absolutify() {
local file_path="$1"
local file_path_dirname="$(dirname "$file_path")"
local file_path_basename="$(basename "$file_path")"
local file_abs_path="$(abs_path "$file_path_dirname")"
local file_path="$file_abs_path/$file_path_basename"
# This is the return value
RETVAL="$file_path"
}
# Prints the absolute path of a directory to stdout
abs_path() {
local path="$1"
# Unset CDPATH because it causes havok: it makes the destination unpredictable
# and triggers 'cd' to print the path to stdout. Route `cd`'s output to /dev/null
# for good measure.
(unset CDPATH && cd "$path" > /dev/null && pwd)
}
uninstall_legacy() {
local _abs_libdir="$1"
local _uninstalled_something=false
# Replace commas in legacy manifest list with spaces
_legacy_manifest_dirs=`echo "$TEMPLATE_LEGACY_MANIFEST_DIRS" | sed "s/,/ /g"`
# Uninstall from legacy manifests
local _md
for _md in $_legacy_manifest_dirs; do
# First, uninstall from the installation prefix.
# Errors are warnings - try to rm everything in the manifest even if some fail.
if [ -f "$_abs_libdir/$_md/manifest" ]
then
# iterate through installed manifest and remove files
local _p;
while read _p; do
# the installed manifest contains absolute paths
msg "removing legacy file $_p"
if [ -f "$_p" ]
then
run rm -f "$_p"
want_ok "failed to remove $_p"
else
warn "supposedly installed file $_p does not exist!"
fi
done < "$_abs_libdir/$_md/manifest"
# If we fail to remove $md below, then the
# installed manifest will still be full; the installed manifest
# needs to be empty before install.
msg "removing legacy manifest $_abs_libdir/$_md/manifest"
run rm -f "$_abs_libdir/$_md/manifest"
# For the above reason, this is a hard error
need_ok "failed to remove installed manifest"
# Remove $template_rel_manifest_dir directory
msg "removing legacy manifest dir $_abs_libdir/$_md"
run rm -R "$_abs_libdir/$_md"
want_ok "failed to remove $_md"
_uninstalled_something=true
fi
done
RETVAL="$_uninstalled_something"
}
uninstall_components() {
local _abs_libdir="$1"
local _dest_prefix="$2"
local _components="$3"
# We're going to start by uninstalling existing components. This
local _uninstalled_something=false
# First, try removing any 'legacy' manifests from before
# rust-installer
uninstall_legacy "$_abs_libdir"
assert_nz "$RETVAL", "RETVAL"
if [ "$RETVAL" = true ]; then
_uninstalled_something=true;
fi
# Load the version of the installed installer
local _installed_version=
if [ -f "$abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/rust-installer-version" ]; then
_installed_version=`cat "$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/rust-installer-version"`
# Sanity check
if [ ! -n "$_installed_version" ]; then critical_err "rust installer version is empty"; fi
fi
# If there's something installed, then uninstall
if [ -n "$_installed_version" ]; then
# Check the version of the installed installer
case "$_installed_version" in
# If this is a previous version, then upgrade in place to the
# current version before uninstalling.
2 )
# The only change between version 2 -> 3 is that components are placed
# in subdirectories of the installer tarball. There are no changes
# to the installed data format, so nothing to do.
;;
# This is the current version. Nothing need to be done except uninstall.
"$TEMPLATE_RUST_INSTALLER_VERSION")
;;
# If this is an unknown (future) version then bail.
* )
echo "The copy of $TEMPLATE_PRODUCT_NAME at $_dest_prefix was installed using an"
echo "unknown version ($_installed_version) of rust-installer."
echo "Uninstall it first with the installer used for the original installation"
echo "before continuing."
exit 1
;;
esac
local _md="$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR"
local _installed_components="$(cat "$_md/components")"
# Uninstall (our components only) before reinstalling
local _available_component
for _available_component in $_components; do
local _installed_component
for _installed_component in $_installed_components; do
if [ "$_available_component" = "$_installed_component" ]; then
msg "uninstalling component '$_available_component'"
local _component_manifest="$_md/manifest-$_installed_component"
# Sanity check: there should be a component manifest
if [ ! -f "$_component_manifest" ]; then
critical_err "installed component '$_installed_component' has no manifest"
fi
# Iterate through installed component manifest and remove files
local _directive
while read _directive; do
local _command=`echo $_directive | cut -f1 -d:`
local _file=`echo $_directive | cut -f2 -d:`
# Sanity checks
if [ ! -n "$_command" ]; then critical_err "malformed installation directive"; fi
if [ ! -n "$_file" ]; then critical_err "malformed installation directive"; fi
case "$_command" in
file)
verbose_msg "removing file $_file"
if [ -f "$_file" ]; then
run rm -f "$_file"
want_ok "failed to remove $_file"
else
warn "supposedly installed file $_file does not exist!"
fi
;;
dir)
verbose_msg "removing directory $_file"
run rm -r "$_file"
want_ok "unable to remove directory $_file"
;;
*)
critical_err "unknown installation directive"
;;
esac
done < "$_component_manifest"
# Remove the installed component manifest
verbose_msg "removing component manifest $_component_manifest"
run rm "$_component_manifest"
# This is a hard error because the installation is unrecoverable
critical_need_ok "failed to remove installed manifest for component '$_installed_component'"
# Update the installed component list
local _modified_components="$(sed "/^$_installed_component\$/d" "$_md/components")"
write_to_file "$_modified_components" "$_md/components"
critical_need_ok "failed to update installed component list"
fi
done
done
# If there are no remaining components delete the manifest directory,
# but only if we're doing an uninstall - if we're doing an install,
# then leave the manifest directory around to hang onto the logs,
# and any files not managed by the installer.
if [ -n "${CFG_UNINSTALL-}" ]; then
local _remaining_components="$(cat "$_md/components")"
if [ ! -n "$_remaining_components" ]; then
verbose_msg "removing manifest directory $_md"
run rm -r "$_md"
want_ok "failed to remove $_md"
maybe_unconfigure_ld
fi
fi
_uninstalled_something=true
fi
# There's no installed version. If we were asked to uninstall, then that's a problem.
if [ -n "${CFG_UNINSTALL-}" -a "$_uninstalled_something" = false ]
then
err "unable to find installation manifest at $CFG_LIBDIR/$TEMPLATE_REL_MANIFEST_DIR"
fi
}
install_components() {
local _src_dir="$1"
local _abs_libdir="$2"
local _dest_prefix="$3"
local _components="$4"
local _component
for _component in $_components; do
msg "installing component '$_component'"
# The file name of the manifest we're installing from
local _input_manifest="$_src_dir/$_component/manifest.in"
# Sanity check: do we have our input manifests?
if [ ! -f "$_input_manifest" ]; then
critical_err "manifest for $_component does not exist at $_input_manifest"
fi
# The installed manifest directory
local _md="$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR"
# The file name of the manifest we're going to create during install
local _installed_manifest="$_md/manifest-$_component"
# Create the installed manifest, which we will fill in with absolute file paths
touch "$_installed_manifest"
critical_need_ok "failed to create installed manifest"
# Add this component to the installed component list
append_to_file "$_component" "$_md/components"
critical_need_ok "failed to update components list for $_component"
# Now install, iterate through the new manifest and copy files
local _directive
while read _directive; do
local _command=`echo $_directive | cut -f1 -d:`
local _file=`echo $_directive | cut -f2 -d:`
# Sanity checks
if [ ! -n "$_command" ]; then critical_err "malformed installation directive"; fi
if [ ! -n "$_file" ]; then critical_err "malformed installation directive"; fi
# Decide the destination of the file
local _file_install_path="$_dest_prefix/$_file"
if echo "$_file" | grep "^etc/" > /dev/null
then
local _f="$(echo "$_file" | sed 's/^etc\///')"
_file_install_path="$CFG_SYSCONFDIR/$_f"
fi
if echo "$_file" | grep "^bin/" > /dev/null
then
local _f="$(echo "$_file" | sed 's/^bin\///')"
_file_install_path="$CFG_BINDIR/$_f"
fi
if echo "$_file" | grep "^lib/" > /dev/null
then
local _f="$(echo "$_file" | sed 's/^lib\///')"
_file_install_path="$CFG_LIBDIR/$_f"
fi
if echo "$_file" | grep "^share" > /dev/null
then
local _f="$(echo "$_file" | sed 's/^share\///')"
_file_install_path="$CFG_DATADIR/$_f"
fi
if echo "$_file" | grep "^share/man/" > /dev/null
then
local _f="$(echo "$_file" | sed 's/^share\/man\///')"
_file_install_path="$CFG_MANDIR/$_f"
fi
# HACK: Try to support overriding --docdir. Paths with the form
# "share/doc/$product/" can be redirected to a single --docdir
# path. If the following detects that --docdir has been specified
# then it will replace everything preceeding the "$product" path
# component. The problem here is that the combined rust installer
# contains two "products": rust and cargo; so the contents of those
# directories will both be dumped into the same directory; and the
# contents of those directories are _not_ disjoint. Since this feature
# is almost entirely to support 'make install' anyway I don't expect
# this problem to be a big deal in practice.
if [ "$CFG_DOCDIR" != "<default>" ]
then
if echo "$_file" | grep "^share/doc/" > /dev/null
then
local _f="$(echo "$_file" | sed 's/^share\/doc\/[^/]*\///')"
_file_install_path="$CFG_DOCDIR/$_f"
fi
fi
# Make sure there's a directory for it
make_dir_recursive "$(dirname "$_file_install_path")"
critical_need_ok "directory creation failed"
# Make the path absolute so we can uninstall it later without
# starting from the installation cwd
absolutify "$_file_install_path"
_file_install_path="$RETVAL"
assert_nz "$_file_install_path" "file_install_path"
case "$_command" in
file )
verbose_msg "copying file $_file_install_path"
maybe_backup_path "$_file_install_path"
if echo "$_file" | grep "^bin/" > /dev/null || test -x "$_src_dir/$_component/$_file"
then
run cp "$_src_dir/$_component/$_file" "$_file_install_path"
run chmod 755 "$_file_install_path"
else
run cp "$_src_dir/$_component/$_file" "$_file_install_path"
run chmod 644 "$_file_install_path"
fi
critical_need_ok "file creation failed"
# Update the manifest
append_to_file "file:$_file_install_path" "$_installed_manifest"
critical_need_ok "failed to update manifest"
;;
dir )
verbose_msg "copying directory $_file_install_path"
maybe_backup_path "$_file_install_path"
run cp -R "$_src_dir/$_component/$_file" "$_file_install_path"
critical_need_ok "failed to copy directory"
# Set permissions. 0755 for dirs, 644 for files
run chmod -R u+rwX,go+rX,go-w "$_file_install_path"
critical_need_ok "failed to set permissions on directory"
# Update the manifest
append_to_file "dir:$_file_install_path" "$_installed_manifest"
critical_need_ok "failed to update manifest"
;;
*)
critical_err "unknown installation directive"
;;
esac
done < "$_input_manifest"
done
}
maybe_configure_ld() {
local _abs_libdir="$1"
local _ostype="$(uname -s)"
assert_nz "$_ostype" "ostype"
if [ "$_ostype" = "Linux" -a ! -n "${CFG_DISABLE_LDCONFIG-}" ]; then
# Fedora-based systems do not configure the dynamic linker to look
# /usr/local/lib, which is our default installation directory. To
# make things just work, try to put that directory in
# /etc/ld.so.conf.d/rust-installer-v1 so ldconfig picks it up.
# Issue #30.
#
# This will get rm'd when the last component is uninstalled in
# maybe_unconfigure_ld.
if [ "$_abs_libdir" = "/usr/local/lib" -a -d "/etc/ld.so.conf.d" ]; then
echo "$_abs_libdir" > "/etc/ld.so.conf.d/rust-installer-v1-$TEMPLATE_REL_MANIFEST_DIR.conf"
if [ $? -ne 0 ]; then
# This shouldn't happen if we've gotten this far
# installing to /usr/local
warn "failed to update /etc/ld.so.conf.d. this is unexpected"
fi
fi
verbose_msg "running ldconfig"
if [ -n "${CFG_VERBOSE-}" ]; then
ldconfig
else
ldconfig 2> /dev/null
fi
if [ $? -ne 0 ]
then
warn "failed to run ldconfig. this may happen when not installing as root. run with --verbose to see the error"
fi
fi
}
maybe_unconfigure_ld() {
local _ostype="$(uname -s)"
assert_nz "$_ostype" "ostype"
if [ "$_ostype" != "Linux" ]; then
return 0
fi
rm "/etc/ld.so.conf.d/rust-installer-v1-$TEMPLATE_REL_MANIFEST_DIR.conf" 2> /dev/null
# Above may fail since that file may not have been created on install
}
# Doing our own 'install'-like backup that is consistent across platforms
maybe_backup_path() {
local _file_install_path="$1"
if [ -e "$_file_install_path" ]; then
msg "backing up existing file at $_file_install_path"
run mv -f "$_file_install_path" "$_file_install_path.old"
critical_need_ok "failed to back up $_file_install_path"
fi
}
install_uninstaller() {
local _src_dir="$1"
local _src_basename="$2"
local _abs_libdir="$3"
local _uninstaller="$_abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/uninstall.sh"
msg "creating uninstall script at $_uninstaller"
run cp "$_src_dir/$_src_basename" "$_uninstaller"
critical_need_ok "unable to install uninstaller"
}
do_preflight_sanity_checks() {
local _src_dir="$1"
local _dest_prefix="$2"
# Sanity check: can we can write to the destination?
verbose_msg "verifying destination is writable"
make_dir_recursive "$CFG_LIBDIR"
need_ok "can't write to destination. consider \`sudo\`."
touch "$CFG_LIBDIR/rust-install-probe" > /dev/null
if [ $? -ne 0 ]
then
err "can't write to destination. consider \`sudo\`."
fi
rm "$CFG_LIBDIR/rust-install-probe"
need_ok "failed to remove install probe"
# Sanity check: don't install to the directory containing the installer.
# That would surely cause chaos.
verbose_msg "verifying destination is not the same as source"
local _prefix_dir="$(abs_path "$dest_prefix")"
if [ "$_src_dir" = "$_dest_prefix" -a "${CFG_UNINSTALL-}" != 1 ]; then
err "cannot install to same directory as installer"
fi
}
verbose_msg "looking for install programs"
verbose_msg
need_cmd mkdir
need_cmd printf
need_cmd cut
need_cmd grep
need_cmd uname
need_cmd tr
need_cmd sed
need_cmd chmod
need_cmd env
need_cmd pwd
CFG_ARGS="${@:-}"
HELP=0
if [ "${1-}" = "--help" ]
then
HELP=1
shift
echo
echo "Usage: $0 [options]"
echo
echo "Options:"
echo
else
verbose_step_msg "processing arguments"
fi
OPTIONS=""
BOOL_OPTIONS=""
VAL_OPTIONS=""
flag uninstall "only uninstall from the installation prefix"
valopt destdir "" "set installation root"
valopt prefix "/usr/local" "set installation prefix"
# Avoid prepending an extra / to the prefix path if there's no destdir
# NB: CFG vars here are undefined when passing --help
if [ -z "${CFG_DESTDIR-}" ]; then
CFG_DESTDIR_PREFIX="${CFG_PREFIX-}"
else
CFG_DESTDIR_PREFIX="$CFG_DESTDIR/$CFG_PREFIX"
fi
# NB This isn't quite the same definition as in `configure`.
# just using 'lib' instead of configure's CFG_LIBDIR_RELATIVE
valopt without "" "comma-separated list of components to not install"
valopt components "" "comma-separated list of components to install"
flag list-components "list available components"
valopt sysconfdir "$CFG_DESTDIR_PREFIX/etc" "install system configuration files"
valopt bindir "$CFG_DESTDIR_PREFIX/bin" "install binaries"
valopt libdir "$CFG_DESTDIR_PREFIX/lib" "install libraries"
valopt datadir "$CFG_DESTDIR_PREFIX/share" "install data"
# NB We repeat datadir default value because we don't set CFG_DATADIR in --help
valopt mandir "${CFG_DATADIR-"$CFG_DESTDIR_PREFIX/share"}/man" "install man pages in PATH"
# NB See the docdir handling in install_components for an explanation of this
# weird <default> string
valopt docdir "\<default\>" "install documentation in PATH"
opt ldconfig 1 "run ldconfig after installation (Linux only)"
opt verify 1 "obsolete"
flag verbose "run with verbose output"
if [ $HELP -eq 1 ]
then
echo
exit 0
fi
verbose_step_msg "validating arguments"
validate_opt
# Template configuration.
# These names surrounded by '%%` are replaced by sed when generating install.sh
# FIXME: Might want to consider loading this from a file and not generating install.sh
# Rust or Cargo
TEMPLATE_PRODUCT_NAME='Rust'
# rustlib or cargo
TEMPLATE_REL_MANIFEST_DIR=rustlib
# 'Rust is ready to roll.' or 'Cargo is cool to cruise.'
TEMPLATE_SUCCESS_MESSAGE='rustc installed.'
# Locations to look for directories containing legacy, pre-versioned manifests
TEMPLATE_LEGACY_MANIFEST_DIRS='rustlib,cargo'
# The installer version
TEMPLATE_RUST_INSTALLER_VERSION='3'
# OK, let's get installing ...
# This is where we are installing from
src_dir="$(abs_path $(dirname "$0"))"
# The name of the script
src_basename="$(basename "$0")"
# If we've been run as 'uninstall.sh' (from the existing installation)
# then we're doing a full uninstall, as opposed to the --uninstall flag
# which just means 'uninstall my components'.
if [ "$src_basename" = "uninstall.sh" ]; then
if [ "${*:-}" != "" ]; then
# Currently don't know what to do with arguments in this mode
err "uninstall.sh does not take any arguments"
fi
CFG_UNINSTALL=1
CFG_DESTDIR_PREFIX="$(abs_path "$src_dir/../../")"
CFG_LIBDIR="$(abs_path "$src_dir/../")"
fi
# This is where we are installing to
dest_prefix="$CFG_DESTDIR_PREFIX"
# Open the components file to get the list of components to install.
# NB: During install this components file is read from the installer's
# source dir, during a full uninstall it's read from the manifest dir,
# and thus contains all installed components.
components=`cat "$src_dir/components"`
# Sanity check: do we have components?
if [ ! -n "$components" ]; then
err "unable to find installation components"
fi
# If the user asked for a component list, do that and exit
if [ -n "${CFG_LIST_COMPONENTS-}" ]; then
echo
echo "# Available components"
echo
for component in $components; do
echo "* $component"
done
echo
exit 0
fi
# If the user specified which components to install/uninstall,
# then validate that they exist and select them for installation
if [ -n "$CFG_COMPONENTS" ]; then
# Remove commas
user_components="$(echo "$CFG_COMPONENTS" | sed "s/,/ /g")"
for user_component in $user_components; do
found=false
for my_component in $components; do
if [ "$user_component" = "$my_component" ]; then
found=true
fi
done
if [ "$found" = false ]; then
err "unknown component: $user_component"
fi
done
components="$user_components"
fi
if [ -n "$CFG_WITHOUT" ]; then
without_components="$(echo "$CFG_WITHOUT" | sed "s/,/ /g")"
for without_component in $without_components; do
components="$(echo "$components" | sed "s/$without_component//" | sed "s/$without_component//")"
done
fi
if [ -z "$components" ]; then
if [ -z "${CFG_UNINSTALL-}" ]; then
err "no components selected for installation"
else
err "no components selected for uninstallation"
fi
fi
do_preflight_sanity_checks "$src_dir" "$dest_prefix"
# Using an absolute path to libdir in a few places so that the status
# messages are consistently using absolute paths.
absolutify "$CFG_LIBDIR"
abs_libdir="$RETVAL"
assert_nz "$abs_libdir" "abs_libdir"
# Create the manifest directory, where we will put our logs
make_dir_recursive "$abs_libdir/$TEMPLATE_REL_MANIFEST_DIR"
need_ok "failed to create $TEMPLATE_REL_MANIFEST_DIR"
# Log messages and commands
init_logging "$abs_libdir"
# First do any uninstallation, including from legacy manifests. This
# will also upgrade the metadata of existing installs.
uninstall_components "$abs_libdir" "$dest_prefix" "$components"
# If we're only uninstalling then exit
if [ -n "${CFG_UNINSTALL-}" ]
then
echo
echo " $TEMPLATE_PRODUCT_NAME is uninstalled."
echo
exit 0
fi
# Create the manifest directory again! uninstall_legacy
# may have deleted it.
make_dir_recursive "$abs_libdir/$TEMPLATE_REL_MANIFEST_DIR"
need_ok "failed to create $TEMPLATE_REL_MANIFEST_DIR"
# Drop the version number into the manifest dir
write_to_file "$TEMPLATE_RUST_INSTALLER_VERSION" "$abs_libdir/$TEMPLATE_REL_MANIFEST_DIR/rust-installer-version"
critical_need_ok "failed to write installer version"
# Install the uninstaller
install_uninstaller "$src_dir" "$src_basename" "$abs_libdir"
# Install each component
install_components "$src_dir" "$abs_libdir" "$dest_prefix" "$components"
# Make dynamic libraries available to the linker
maybe_configure_ld "$abs_libdir"
echo
echo " $TEMPLATE_SUCCESS_MESSAGE"
echo