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#!/bin/bash |
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# Where the version configs are generated |
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config_dir=config/versions |
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defaults=packages/default.desc |
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declare -A forks |
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debug() |
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{ |
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if [ -n "${DEBUG}" ]; then |
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echo ":: $@" >&2 |
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fi |
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} |
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read_files() |
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{ |
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local f l |
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for f in ${defaults} "$@"; do |
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[ -r "${f}" ] || continue |
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while read l; do |
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case "${l}" in |
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"#*") continue;; |
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*) echo "[${l%%=*}]=${l#*=}";; |
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esac |
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done < "${f}" |
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done |
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} |
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derived_package() |
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{ |
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info[name]=${p} |
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info[forks]=${forks[${p}]} |
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info[master]=${info[master]:-${p}} |
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# Various kconfig-ized prefixes |
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tmp=${p^^} |
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info[pfx]=${tmp//[^0-9A-Z_]/_} |
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tmp=${info[origin]^^} |
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info[originpfx]=${tmp//[^0-9A-Z_/_} |
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tmp=${info[master]^^} |
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info[masterpfx]=${tmp//[^0-9A-Z_/_} |
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} |
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read_package_desc() |
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{ |
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read_files "packages/${1}/package.desc" |
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} |
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read_version_desc() |
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{ |
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read_files "packages/${1}/package.desc" "packages/${1}/${2}/version.desc" |
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} |
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for_each_package() |
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{ |
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local list="${1}" |
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local -A info |
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local p tmp |
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debug "Entering: for_each_package $@" |
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shift |
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for p in ${list}; do |
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eval "info=( `read_package_desc ${p}` )" |
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derived_package ${p} |
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debug "Evaluate for ${p}: $@" |
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eval "$@" |
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done |
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} |
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for_each_version() |
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{ |
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local pkg="${1}" |
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local -A info prev |
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local -a versions |
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local v tmp |
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debug "Entering: for_each_version $@" |
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shift |
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versions=( `cd packages/${pkg} && ls */version.desc 2>/dev/null | sed 's,/version.desc$,,' | sort -rV` ) |
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tmp= |
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for v in "${versions[@]}"; do |
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if [ -n "${tmp}" ]; then |
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prev["${tmp}"]=${v} |
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fi |
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tmp="${v}" |
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done |
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if [ -n "${tmp}" ]; then |
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prev["${tmp}"]= |
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fi |
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for v in "${versions[@]}"; do |
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eval "info=( `read_version_desc "${pkg}" "${v}"` )" |
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debug "INFO [[ `read_version_desc "${pkg}" "${v}"` ]]" |
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derived_package ${pkg} |
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info[ver]="${v}" |
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info[kcfg]="${v//[^0-9A-Za-z_]/_}" |
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info[prev]="${prev[${v}]//[^0-9A-Za-z_]/_}" |
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debug "Evaluate for ${pkg}/${v}: $@" |
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eval "$@" |
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done |
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} |
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# Setup: find master-fork relationships between packages |
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find_forks() |
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{ |
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[ "${info[master]}" != "${info[name]}" ] && forks[${info[master]}]+=" ${info[name]}" |
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} |
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gen_versions() |
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{ |
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local cond=$1 |
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debug "Entering: gen_versions $@" |
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if [ -n "${cond}" ]; then |
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cat <<EOF |
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if ${cond} |
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EOF |
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fi |
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cat <<EOF |
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# Versions for ${info[name]} |
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choice |
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bool |
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prompt "Version of ${info[name]}" |
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# Defined versions first |
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EOF |
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for_each_version "${info[name]}" echo \"' |
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config ${info[pfx]}_V_${info[kcfg]} |
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bool \"${info[ver]}\" |
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select ${info[pfx]}_V_${info[kcfg]}_or_later${info[obsolete]:+ |
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depends on OBSOLETE}${info[experimental]:+ |
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depends on EXPERIMENTAL}'\" |
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# TBD devel (from official repository) |
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# TBD show changeset/revision/branch selection |
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# TBD custom (local tarball/directory) |
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# TBD show custom location selection |
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cat <<EOF |
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endchoice |
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# Text string with the version of ${info[name]} |
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config ${info[pfx]}_VERSION |
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string |
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EOF |
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for_each_version "${info[name]}" echo \ |
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\"' default \"${info[ver]}\" if ${info[pfx]}_V_${info[kcfg]}'\" |
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cat <<EOF |
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default "unknown" |
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EOF |
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cat <<EOF |
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# Flags for all versions indicating "this or later". |
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# Only produced for master version of the package (which is what |
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# the build scriptes are tied to); derived versions must |
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# select the matching master version. |
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EOF |
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for_each_version "${info[name]}" echo \"' |
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config ${info[pfx]}_V_${info[kcfg]}_or_later |
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bool${info[prev]:+ |
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select ${info[pfx]}_V_${info[prev]}_or_later}'\" |
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if [ -n "${cond}" ]; then |
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cat <<EOF |
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endif |
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EOF |
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fi |
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} |
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# Generate a menu for selecting a fork for a component |
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gen_selection() |
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{ |
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local only_obsolete=yes only_experimental=yes |
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for_each_version "${info[name]}" ' |
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[ -z "${info[experimental]}" ] && only_experimental= |
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[ -z "${info[obsolete]}" ] && only_obsolete= |
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' |
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debug "${info[name]}: ${only_obsolete:+obsolete} ${only_experimental:+experimental}" |
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echo " |
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config ${info[masterpfx]}_USE_${info[originpfx]} |
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bool \"${info[origin]}\"${only_obsolete:+ |
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depends on OBSOLETE}${only_experimental:+ |
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depends on EXPERIMENTAL} |
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help" && sed 's/^/\t /' "packages/${info[origin]}.help" |
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} |
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# Generate a single configuration file |
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gen_one_component() |
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{ |
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local cond |
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debug "Entering: gen_one_component $@" |
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# Non-masters forks: skip, will be generated along with their master version |
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if [ "${info[master]}" != "${info[name]}" ]; then |
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debug "Skip '${info[name]}': master '${info[master]}'" |
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return |
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fi |
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debug "Generating '${info[name]}.in'${info[forks]:+ (includes ${info[forks]}})" |
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exec >"${config_dir}/${info[name]}.in" |
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cat <<EOF |
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# |
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# DO NOT EDIT! This file is automatically generated. |
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# |
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EOF |
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# Generate fork selection, if there is more than one fork |
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if [ -n "${info[forks]}" ]; then |
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cat <<EOF |
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choice |
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bool "Show ${info[name]} versions from" |
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EOF |
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for_each_package "${info[name]} ${info[forks]}" gen_selection |
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cat <<EOF |
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endchoice |
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EOF |
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for_each_package "${info[name]} ${info[forks]}" \ |
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gen_versions '${info[masterpfx]}_USE_${info[originpfx]}' |
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else |
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for_each_package "${info[name]}" gen_versions |
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fi |
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} |
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rm -rf "${config_dir}" |
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mkdir -p "${config_dir}" |
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all_packages=`cd packages && ls */package.desc 2>/dev/null | sed 's,/package.desc$,,' | xargs echo` |
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debug "Generating package version descriptions" |
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debug "Packages: ${all_packages}" |
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for_each_package "${all_packages}" find_forks |
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for_each_package "${all_packages}" gen_one_component |
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debug "Done!" |
Alexey Neyman
5 years ago