diff options
| -rw-r--r-- | lib/feed.sh | 117 |
1 files changed, 72 insertions, 45 deletions
diff --git a/lib/feed.sh b/lib/feed.sh index 46c4cc2..6a68ecd 100644 --- a/lib/feed.sh +++ b/lib/feed.sh @@ -21,6 +21,15 @@ _FEED_SM=1 use fd +use control + +feed_pkg_cb= +feed_dep_fields= +feed_pkgs= +feed_deps_fd= +feed_pkg_include= +feed_pkg= +feed_deps= feed_download() { @@ -33,58 +42,76 @@ feed_download() feed_find_pkgs() { - local deps_file="${1}" - local line= - local deps_fd= - local pkg= - local deps= - local all_deps= - local dep= - local pkgs= - local new_deps= + local pkg_cb="${1}" + local dep_fields="${2}" + local deps_file="${3}" + + feed_pkg_cb="${pkg_cb}" + feed_dep_fields=" $(printf '%s ' ${dep_fields})" + feed_pkgs='' fopen "${deps_file}" 'w' - deps_fd=${FD} + feed_deps_fd=${FD} + + feed_pkg_include='false' + feed_pkg='' + feed_deps='' + + parse_control '-' feed_field_cb feed_para_cb 'Package' + + fclose ${feed_deps_fd} + + printf '%s\n' "${feed_pkgs# }" + + return 0 +} + +feed_field_cb() +{ + local name="${1}" + local value="${2}" + + if [ "x${name}" = 'xPackage' ]; then + feed_pkg="${value}" + elif [ "x${feed_dep_fields#* ${name} }" != "x${feed_dep_fields}" ]; then + feed_deps="${feed_deps}${value}, " + fi + + if ${feed_pkg_cb} ${name} ${value}; then + feed_pkg_include='true' + fi + + return 0 +} - pkg='' - all_deps='' - IFS='' - while read -r line; do +feed_para_cb() +{ + local new_deps= + local dep= + + if ${feed_pkg_include}; then + feed_pkgs="${feed_pkgs} ${feed_pkg}" + fi + + new_deps='' + IFS=',' + for dep in ${feed_deps%, }; do unset IFS - if [ "x${line}" != 'x' ]; then - case "${line}" in - 'Package:'*) - pkg="${line#Package:}" - pkg="${pkg## }" - ;; - *'Depends:'*) - deps="${line#*Depends:}" - deps="${deps## }" - all_deps="${all_deps}${deps}, " - ;; - esac - else - if profile_include_pkg "${pkg}"; then - pkgs="${pkgs} ${pkg}" - fi - new_deps='' - IFS=", ${HT}${LF}" - for dep in ${all_deps}; do - unset IFS - # Trim off " |.*$" and " (.*$" (versions and - # disjunctions). - dep="$(printf '%s ' ${dep} | cut -d ' ' -f 1)" - new_deps="${new_deps} ${dep}" - done - unset IFS - printf '%s%s\n' "${pkg}" "${new_deps}" >&${deps_fd} - pkg='' - all_deps='' - fi + # Trim off versions and disjunctions. + dep="${dep%%(*}" + dep="${dep%%|*}" + # Trim whitespace. + dep="${dep##[ ${HT}${LF}]}" + dep="${dep%%[ ${HT}${LF}]}" + new_deps="${new_deps} ${dep}" done unset IFS - fclose ${deps_fd} + printf '%s%s\n' "${feed_pkg}" "${new_deps}" >&${feed_deps_fd} + + feed_pkg_include='false' + feed_pkg='' + feed_deps='' return 0 } |