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-rw-r--r-- | src/tools/rust-installer/install-template.sh | 987 |
1 files changed, 987 insertions, 0 deletions
diff --git a/src/tools/rust-installer/install-template.sh b/src/tools/rust-installer/install-template.sh new file mode 100644 index 000000000..e68be8911 --- /dev/null +++ b/src/tools/rust-installer/install-template.sh @@ -0,0 +1,987 @@ +#!/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 [ $HELP -eq 1 ] +then + echo + exit 0 +fi + +verbose_step_msg "validating arguments" +validate_opt + +# Template configuration. +# These names surrounded by '%%` are replaced by sed when generating install.sh +# FIXME: Might want to consider loading this from a file and not generating install.sh + +# Rust or Cargo +TEMPLATE_PRODUCT_NAME=%%TEMPLATE_PRODUCT_NAME%% +# rustlib or cargo +TEMPLATE_REL_MANIFEST_DIR=%%TEMPLATE_REL_MANIFEST_DIR%% +# 'Rust is ready to roll.' or 'Cargo is cool to cruise.' +TEMPLATE_SUCCESS_MESSAGE=%%TEMPLATE_SUCCESS_MESSAGE%% +# Locations to look for directories containing legacy, pre-versioned manifests +TEMPLATE_LEGACY_MANIFEST_DIRS=%%TEMPLATE_LEGACY_MANIFEST_DIRS%% +# The installer version +TEMPLATE_RUST_INSTALLER_VERSION=%%TEMPLATE_RUST_INSTALLER_VERSION%% + +# OK, let's get installing ... + +# This is where we are installing from +src_dir="$(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 + + |