diff options
Diffstat (limited to 'install-template.sh')
| -rw-r--r-- | install-template.sh | 242 |
1 files changed, 158 insertions, 84 deletions
diff --git a/install-template.sh b/install-template.sh index 6ca971f..16c41e3 100644 --- a/install-template.sh +++ b/install-template.sh @@ -346,10 +346,9 @@ fi step_msg "validating $CFG_SELF args" validate_opt - - # Template configuration. # These names surrounded by '%%` are replaced by sed when generating install.sh +# FIXME: Might want to consider loading this from a file and not generating install.sh # Rust or Cargo TEMPLATE_PRODUCT_NAME=%%TEMPLATE_PRODUCT_NAME%% @@ -359,6 +358,11 @@ TEMPLATE_VERIFY_BIN=%%TEMPLATE_VERIFY_BIN%% TEMPLATE_REL_MANIFEST_DIR=%%TEMPLATE_REL_MANIFEST_DIR%% # 'Rust is ready to roll.' or 'Cargo is cool to cruise.' TEMPLATE_SUCCESS_MESSAGE=%%TEMPLATE_SUCCESS_MESSAGE%% +# Locations to look for directories containing legacy, pre-versioned manifests +TEMPLATE_LEGACY_MANIFEST_DIRS=%%TEMPLATE_LEGACY_MANIFEST_DIRS%% + +# The revision of the installer, bumped for incompatible changes +INSTALLER_VERSION=2 # OK, let's get installing ... @@ -401,57 +405,102 @@ then err "can't install to same directory as installer" fi +# Open the components file to get the list of components to install +COMPONENTS=`cat "$CFG_SRC_DIR/components"` + +# Sanity check: do we have components? +if [ ! -n "$COMPONENTS" ]; then + err "unable to find installation components" +fi + # Using an absolute path to libdir in a few places so that the status # messages are consistently using absolute paths. absolutify "${CFG_LIBDIR}" ABS_LIBDIR="${ABSOLUTIFIED}" -# The file name of the manifest we're going to create during install -INSTALLED_MANIFEST="${ABS_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}/manifest" +# Replace commas in legacy manifest list with spaces +LEGACY_MANIFEST_DIRS=`echo "$TEMPLATE_LEGACY_MANIFEST_DIRS" | sed "s/,/ /g"` -# First, uninstall from the installation prefix. -# Errors are warnings - try to rm everything in the manifest even if some fail. -if [ -f "${INSTALLED_MANIFEST}" ] -then - msg +# Uninstall from legacy manifests +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 + msg - # Iterate through installed manifest and remove files - while read p; do - # The installed manifest contains absolute paths - msg "removing $p" - if [ -f "$p" ] - then - rm -f "$p" - if [ $? -ne 0 ] + # Iterate through installed manifest and remove files + while read p; do + # The installed manifest contains absolute paths + msg "removing $p" + if [ -f "$p" ] then - warn "failed to remove $p" + rm -f "$p" + if [ $? -ne 0 ] + then + warn "failed to remove $p" + fi + else + warn "supposedly installed file $p does not exist!" fi - else - warn "supposedly installed file $p does not exist!" - fi - done < "${INSTALLED_MANIFEST}" - - # If we fail to remove $TEMPLATE_REL_MANIFEST_DIR below, then the - # installed manifest will still be full; the installed manifest - # needs to be empty before install. - msg "removing ${INSTALLED_MANIFEST}" - rm -f "${INSTALLED_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 ${ABS_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}" - rm -Rf "${ABS_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}" - if [ $? -ne 0 ] - then - warn "failed to remove ${TEMPLATE_REL_MANIFEST_DIR}" - fi -else - # There's no manifest. If we were asked to uninstall, then that's a problem. - if [ -n "${CFG_UNINSTALL}" ] - then - err "unable to find installation manifest at ${CFG_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}" + 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 $ABS_LIBDIR/$md/manifest" + 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 ${ABS_LIBDIR}/$md" + rm -Rf "${ABS_LIBDIR}/$md" + if [ $? -ne 0 ] + then + warn "failed to remove $md" + fi + + UNINSTALLED_SOMETHING=1 fi +done + +# Check installed version +if [ -f "$ABS_LIBDIR/$TEMPLATE_REL_MANIFEST_DIR/rust-installer-version" ]; then + INSTALLED_VERSION=`cat $ABS_LIBDIR/$TEMPLATE_REL_MANIFEST_DIR/rust-installer-version"` +fi + +case "$INSTALLED_VERSION" in + + # TODO: If this is a previous version, then upgrade in place to the + # current version before uninstalling. No need to do this yet because + # there is no prior version (only the legacy 'unversioned' installer + # which we've already dealt with). + + # This is the current version. Nothing need to be done except uninstall. + "2") + ;; + + # TODO: If this is an unknown (future) version then bail. + *) + echo "The copy of $TEMPLATE_PRODUCT_NAME at $PREFIX was installed using an" + echo "unknown version ($INSTALLED_VERSION) of rust-installer. Uninstall" + echo "it first with the installer used for the original installation" + echo "before continuing." + exit 1 + ;; +esac + +# TODO: Uninstall (our components only) before reinstalling +if [ -n "$INSTALLED_VERSION" ]; then + for component in $COMPONENTS; do + done +fi + +# There's no installed version. If we were asked to uninstall, then that's a problem. +if [ -n "${CFG_UNINSTALL}" -a ! -n "$UNINSTALLED_SOMETHING" ] +then + err "unable to find installation manifest at ${CFG_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}" fi # If we're only uninstalling then exit @@ -463,57 +512,82 @@ then exit 0 fi -# Create the installed manifest, which we will fill in with absolute file paths -mkdir -p "${CFG_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}" -need_ok "failed to create ${TEMPLATE_REL_MANIFEST_DIR}" -touch "${INSTALLED_MANIFEST}" -need_ok "failed to create installed manifest" - msg -# Now install, iterate through the new manifest and copy files -while read p; do - - # Decide the destination of the file - FILE_INSTALL_PATH="${CFG_DESTDIR}${CFG_PREFIX}/$p" +# Create the directory to contain the manifests +mkdir -p "${CFG_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}" +need_ok "failed to create ${TEMPLATE_REL_MANIFEST_DIR}" - if echo "$p" | grep "^lib/" > /dev/null - then - pp=`echo $p | sed 's/^lib\///'` - FILE_INSTALL_PATH="${CFG_LIBDIR}/$pp" - fi +# Install each component +for component in $COMPONENTS; do - if echo "$p" | grep "^share/man/" > /dev/null - then - pp=`echo $p | sed 's/^share\/man\///'` - FILE_INSTALL_PATH="${CFG_MANDIR}/$pp" - fi + # The file name of the manifest we're installing from + INPUT_MANIFEST="${CFG_SRC_DIR}/$component-manifest.in" - # Make sure there's a directory for it - umask 022 && mkdir -p "$(dirname ${FILE_INSTALL_PATH})" - need_ok "directory creation failed" + # The file name of the manifest we're going to create during install + INSTALLED_MANIFEST="${ABS_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}/$component-manifest" - # Make the path absolute so we can uninstall it later without - # starting from the installation cwd - absolutify "${FILE_INSTALL_PATH}" - FILE_INSTALL_PATH="${ABSOLUTIFIED}" + # Create the installed manifest, which we will fill in with absolute file paths + touch "${INSTALLED_MANIFEST}" + need_ok "failed to create installed manifest" - # Install the file - msg "installing ${FILE_INSTALL_PATH}" - if echo "$p" | grep "^bin/" > /dev/null - then - install -m755 "${CFG_SRC_DIR}/$p" "${FILE_INSTALL_PATH}" - else - install -m644 "${CFG_SRC_DIR}/$p" "${FILE_INSTALL_PATH}" + # Sanity check: do we have our input manifests? + if [ ! -f "$INPUT_MANIFEST" ]; then + err "manifest for $component does not exist at $INPUT_MANIFEST" fi - need_ok "file creation failed" - # Update the manifest - echo "${FILE_INSTALL_PATH}" >> "${INSTALLED_MANIFEST}" - need_ok "failed to update manifest" + # Now install, iterate through the new manifest and copy files + while read p; do -# The manifest lists all files to install -done < "${CFG_SRC_DIR}/${CFG_LIBDIR_RELATIVE}/${TEMPLATE_REL_MANIFEST_DIR}/manifest.in" + # Decide the destination of the file + FILE_INSTALL_PATH="${CFG_DESTDIR}${CFG_PREFIX}/$p" + + if echo "$p" | grep "^lib/" > /dev/null + then + pp=`echo $p | sed 's/^lib\///'` + FILE_INSTALL_PATH="${CFG_LIBDIR}/$pp" + fi + + if echo "$p" | grep "^share/man/" > /dev/null + then + pp=`echo $p | sed 's/^share\/man\///'` + FILE_INSTALL_PATH="${CFG_MANDIR}/$pp" + fi + + # Make sure there's a directory for it + umask 022 && mkdir -p "$(dirname ${FILE_INSTALL_PATH})" + need_ok "directory creation failed" + + # Make the path absolute so we can uninstall it later without + # starting from the installation cwd + absolutify "${FILE_INSTALL_PATH}" + FILE_INSTALL_PATH="${ABSOLUTIFIED}" + + # Install the file + msg "installing ${FILE_INSTALL_PATH}" + if echo "$p" | grep "^bin/" > /dev/null + then + install -m755 "${CFG_SRC_DIR}/$p" "${FILE_INSTALL_PATH}" + else + install -m644 "${CFG_SRC_DIR}/$p" "${FILE_INSTALL_PATH}" + fi + need_ok "file creation failed" + + # Update the manifest + echo "${FILE_INSTALL_PATH}" >> "${INSTALLED_MANIFEST}" + need_ok "failed to update manifest" + + # The manifest lists all files to install + done < "$INPUT_MANIFEST" + + # Update the components + echo "$component " >> "${ABS_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}/components" + need_ok "failed to update components list for $component" + +done + +# Drop the version number into the manifest dir +echo "$INSTALLER_VERSION" > "${ABS_LIBDIR}/${TEMPLATE_REL_MANIFEST_DIR}/rust-installer-version" msg |