diff options
Diffstat (limited to 'scripts/functions')
| -rw-r--r-- | scripts/functions | 111 |
1 files changed, 110 insertions, 1 deletions
diff --git a/scripts/functions b/scripts/functions index e535174..4b9bca7 100644 --- a/scripts/functions +++ b/scripts/functions @@ -304,7 +304,7 @@ CT_GetFile() { if [ -r "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" -a \ "${CT_FORCE_DOWNLOAD}" != "y" ]; then CT_DoLog EXTRA "Copying \"${file}\" from local copy" - cp -v "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}" |CT_DoLog DEBUG + cp -v "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}" |CT_DoLog ALL return 0 fi done @@ -460,3 +460,112 @@ CT_DoBuildTargetTriplet() { esac CT_TARGET="`${CT_TOP_DIR}/tools/config.sub ${CT_TARGET}`" } + +# This function does pause the build until the user strikes "Return" +# Usage: CT_DoPause [optional_message] +CT_DoPause() { + local foo + local message="${1:-Pausing for your pleasure}" + CT_DoLog INFO "${message}" + read -p "Press \"Enter\" to continue, or Ctrl-C to stop..." foo >&6 + return 0 +} + +# This function saves the state of the toolchain to be able to restart +# at any one point +# Usage: CT_DoSaveState <next_step_name> +CT_DoSaveState() { + [ "${CT_DEBUG_CT_SAVE_STEPS}" = "y" ] || return 0 + local state_name="$1" + local state_dir="${CT_STATE_DIR}/${state_name}" + + CT_DoLog DEBUG "Saving state to restart at step \"${state_name}\"..." + rm -rf "${state_dir}" + mkdir -p "${state_dir}" + + case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in + y) tar_opt=czf; tar_ext=".tar.gz";; + *) tar_opt=cf; tar_ext=".tar";; + esac + + CT_DoLog DEBUG " Saving environment and aliases" + # We must omit shell functions + # 'isgrep' is here because I don't seem to + # be able to remove the functions names. + set |awk ' + BEGIN { _p = 1; } + $0~/^[^ ] ()/ { _p = 0; } + _p == 1 + $0 == "}" { _p = 1; } + ' |egrep -v '^[^ ]+ \(\)' >"${state_dir}/env.sh" + + CT_DoLog DEBUG " Saving CT_CC_CORE_PREFIX_DIR=\"${CT_CC_CORE_PREFIX_DIR}\"" + CT_Pushd "${CT_CC_CORE_PREFIX_DIR}" + tar ${tar_opt} "${state_dir}/cc_core_prefix_dir${tar_ext}" . + CT_Popd + + CT_DoLog DEBUG " Saving CT_PREFIX_DIR=\"${CT_PREFIX_DIR}\"" + CT_Pushd "${CT_PREFIX_DIR}" + tar ${tar_opt} "${state_dir}/prefix_dir${tar_ext}" . + CT_Popd + + if [ "${CT_LOG_TO_FILE}" = "y" ]; then + CT_DoLog DEBUG " Saving log file" + exec >/dev/null + case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in + y) gzip -3 -c "${CT_LOG_FILE}" >"${state_dir}/log.gz";; + *) cat "${CT_LOG_FILE}" >"${state_dir}/log";; + esac + exec >>"${CT_LOG_FILE}" + fi +} + +# This functions restores a previously saved state +# Usage: CT_DoLoadState <state_name> +CT_DoLoadState(){ + local state_name="$1" + local state_dir="${CT_STATE_DIR}/${state_name}" + + # We need to do something special with the log file! + if [ "${CT_LOG_TO_FILE}" = "y" ]; then + exec >"${state_dir}/tail.log" + fi + CT_DoLog DEBUG "Restoring state at step \"${state_name}\"..." + + case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in + y) tar_opt=xzf; tar_ext=".tar.gz";; + *) tar_opt=cf; tar_ext=".tar";; + esac + + CT_DoLog DEBUG " Removing previous build directories" + chmod -R u+rwX "${CT_PREFIX_DIR}" "${CT_CC_CORE_PREFIX_DIR}" + rm -rf "${CT_PREFIX_DIR}" "${CT_CC_CORE_PREFIX_DIR}" + mkdir -p "${CT_PREFIX_DIR}" "${CT_CC_CORE_PREFIX_DIR}" + + CT_DoLog DEBUG " Restoring CT_PREFIX_DIR=\"${CT_PREFIX_DIR}\"" + CT_Pushd "${CT_PREFIX_DIR}" + tar ${tar_opt} "${state_dir}/prefix_dir${tar_ext}" + CT_Popd + + CT_DoLog DEBUG " Restoring CT_CC_CORE_PREFIX_DIR=\"${CT_CC_CORE_PREFIX_DIR}\"" + CT_Pushd "${CT_CC_CORE_PREFIX_DIR}" + tar ${tar_opt} "${state_dir}/cc_core_prefix_dir${tar_ext}" + CT_Popd + + # Restore the environment, discarding any error message + # (for example, read-only bash internals) + CT_DoLog DEBUG " Restoring environment" + . "${state_dir}/env.sh" >/dev/null 2>&1 || true + + if [ "${CT_LOG_TO_FILE}" = "y" ]; then + CT_DoLog DEBUG " Restoring log file" + exec >/dev/null + case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in + y) zcat "${state_dir}/log.gz" >"${CT_LOG_FILE}";; + *) cat "${state_dir}/log" >"${CT_LOG_FILE}";; + esac + cat "${state_dir}/tail.log" >>"${CT_LOG_FILE}" + exec >>"${CT_LOG_FILE}" + rm -f "${state_dir}/tail.log" + fi +} |