| @@include@@variables.include |
| |
| APT_GET="`which apt-get 2> /dev/null`" |
| APT_CONFIG="`which apt-config 2> /dev/null`" |
| |
| SOURCES_PREAMBLE="### THIS FILE IS AUTOMATICALLY CONFIGURED ### |
| # You may comment out this entry, but any other modifications may be lost.\n" |
| |
| # Parse apt configuration and return requested variable value. |
| apt_config_val() { |
| APTVAR="$1" |
| if [ -x "$APT_CONFIG" ]; then |
| "$APT_CONFIG" dump | sed -e "/^$APTVAR /"'!d' -e "s/^$APTVAR \"\(.*\)\".*/\1/" |
| fi |
| } |
| |
| # TODO(oschaaf): The repository signing key should go here |
| install_key() { |
| APT_KEY="`which apt-key 2> /dev/null`" |
| if [ -x "$APT_KEY" ]; then |
| "$APT_KEY" add - >/dev/null 2>&1 <<KEYDATA |
| -----BEGIN PGP PUBLIC KEY BLOCK----- |
| -----END PGP PUBLIC KEY BLOCK----- |
| -----BEGIN PGP PUBLIC KEY BLOCK----- |
| -----END PGP PUBLIC KEY BLOCK----- |
| KEYDATA |
| fi |
| } |
| |
| # Set variables for the locations of the apt sources lists. |
| find_apt_sources() { |
| # NB: These variables only *sometimes* include a trailing slash. (In |
| # particular, in Ubuntu 16.10 / Debian 9, the default value *stopped* |
| # including the trailing slash.) We have to join them with slashes, even |
| # though that sometimes gives a double slash. |
| APTDIR=$(apt_config_val Dir) |
| APTETC=$(apt_config_val 'Dir::Etc') |
| APT_SOURCES="$APTDIR/$APTETC/$(apt_config_val 'Dir::Etc::sourcelist')" |
| APT_SOURCESDIR="$APTDIR/$APTETC/$(apt_config_val 'Dir::Etc::sourceparts')" |
| } |
| |
| # Update the Google repository if it's not set correctly. |
| # Note: this doesn't necessarily enable the repository, it just makes sure the |
| # correct settings are available in the sources list. |
| # Returns: |
| # 0 - no update necessary |
| # 2 - error |
| update_bad_sources() { |
| if [ ! "$REPOCONFIG" ]; then |
| return 0 |
| fi |
| |
| find_apt_sources |
| |
| SOURCELIST="$APT_SOURCESDIR/@@PACKAGE@@.list" |
| # Don't do anything if the file isn't there, since that probably means the |
| # user disabled it. |
| if [ ! -r "$SOURCELIST" ]; then |
| return 0 |
| fi |
| |
| # Basic check for active configurations (non-blank, non-comment lines). |
| ACTIVECONFIGS=$(grep -v "^[[:space:]]*\(#.*\)\?$" "$SOURCELIST" 2>/dev/null) |
| |
| # Check if the correct repository configuration is in there. |
| REPOMATCH=$(grep "^[[:space:]#]*\b$REPOCONFIG\b" "$SOURCELIST" \ |
| 2>/dev/null) |
| |
| # Check if the correct repository is disabled. |
| MATCH_DISABLED=$(echo "$REPOMATCH" | grep "^[[:space:]]*#" 2>/dev/null) |
| |
| # Now figure out if we need to fix things. |
| BADCONFIG=1 |
| if [ "$REPOMATCH" ]; then |
| # If it's there and active, that's ideal, so nothing to do. |
| if [ ! "$MATCH_DISABLED" ]; then |
| BADCONFIG=0 |
| else |
| # If it's not active, but neither is anything else, that's fine too. |
| if [ ! "$ACTIVECONFIGS" ]; then |
| BADCONFIG=0 |
| fi |
| fi |
| fi |
| |
| if [ $BADCONFIG -eq 0 ]; then |
| return 0 |
| fi |
| |
| # At this point, either the correct configuration is completely missing, or |
| # the wrong configuration is active. In that case, just abandon the mess and |
| # recreate the file with the correct configuration. If there were no active |
| # configurations before, create the new configuration disabled. |
| DISABLE="" |
| if [ ! "$ACTIVECONFIGS" ]; then |
| DISABLE="#" |
| fi |
| printf "$SOURCES_PREAMBLE" > "$SOURCELIST" |
| printf "$DISABLE$REPOCONFIG\n" >> "$SOURCELIST" |
| if [ $? -eq 0 ]; then |
| return 0 |
| fi |
| return 2 |
| } |
| |
| # Add the Google repository to the apt sources. |
| # Returns: |
| # 0 - sources list was created |
| # 2 - error |
| create_sources_lists() { |
| if [ ! "$REPOCONFIG" ]; then |
| return 0 |
| fi |
| |
| find_apt_sources |
| |
| SOURCELIST="$APT_SOURCESDIR/@@PACKAGE@@.list" |
| if [ -d "$APT_SOURCESDIR" ]; then |
| printf "$SOURCES_PREAMBLE" > "$SOURCELIST" |
| printf "$REPOCONFIG\n" >> "$SOURCELIST" |
| if [ $? -eq 0 ]; then |
| return 0 |
| fi |
| fi |
| return 2 |
| } |
| |
| # Remove our custom sources list file. |
| # Returns: |
| # 0 - successfully removed, or not configured |
| # !0 - failed to remove |
| clean_sources_lists() { |
| if [ ! "$REPOCONFIG" ]; then |
| return 0 |
| fi |
| |
| find_apt_sources |
| |
| rm -f "$APT_SOURCESDIR/@@PACKAGE@@.list" \ |
| "$APT_SOURCESDIR/@@PACKAGE@@-@@CHANNEL@@.list" |
| } |
| |
| # Detect if the repo config was disabled by distro upgrade and enable if |
| # necessary. |
| handle_distro_upgrade() { |
| if [ ! "$REPOCONFIG" ]; then |
| return 0 |
| fi |
| |
| find_apt_sources |
| SOURCELIST="$APT_SOURCESDIR/@@PACKAGE@@.list" |
| if [ -r "$SOURCELIST" ]; then |
| REPOLINE=$(grep -E "^[[:space:]]*#[[:space:]]*$REPOCONFIG[[:space:]]*# disabled on upgrade to .*" "$SOURCELIST") |
| if [ $? -eq 0 ]; then |
| sed -i -e "s,^[[:space:]]*#[[:space:]]*\($REPOCONFIG\)[[:space:]]*# disabled on upgrade to .*,\1," \ |
| "$SOURCELIST" |
| LOGGER=$(which logger 2> /dev/null) |
| if [ "$LOGGER" ]; then |
| "$LOGGER" -t "$0" "Reverted repository modification: $REPOLINE." |
| fi |
| fi |
| fi |
| } |
| |