236 lines
6.5 KiB
Bash
236 lines
6.5 KiB
Bash
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#!/bin/bash
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set -e
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prov_req_name="ocamlfind"
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td=`mktemp --directory`
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test -n "${td}"
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_x() {
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rm -rf "${td}"
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}
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trap _x EXIT
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cmd=
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test "$1" = "-prov" && cmd=prov
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test "$1" = "-req" && cmd=req
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do_work() {
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local f=$1
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local pkg_name
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local pkg_prov_req
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local pkg_prov
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local pkg_req
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local elem req
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pkg_name="${f##*/}"
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if test "${pkg_name}" = "META"
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then
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pkg_name="${f%/*}"
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pkg_name="${pkg_name##*/}"
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else
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pkg_name="${pkg_name#META.}"
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fi
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pkg_prov_req="`
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env \
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pkg_name="${pkg_name}" \
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cmd="${cmd}" \
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awk '
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BEGIN {
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dbg=0;
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count=1;
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depth=0;
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pkg_name=ENVIRON["pkg_name"];
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cmd=ENVIRON["cmd"];
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if(dbg) printf "bEGIN \\"%s\\" cmd: %s\n", pkg_name, cmd > "/dev/stderr" ;
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requires[pkg_name]=""
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ppx_runtime_deps[pkg_name]=""
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pkg_names[depth]=pkg_name
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}
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{
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if(dbg) printf "line: %s\n", $0 > "/dev/stderr"
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}
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/^[[:blank:]]*directory[[:blank:]]*=/ {
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if(dbg) printf "GOT: %s\n", $0 > "/dev/stderr" ;
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if (depth == 0) {
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x = split($0, a, "\\"");
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if ( a[2] ) {
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candidate = a[2];
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if(dbg) printf "dir: %s %s\n", x, candidate > "/dev/stderr" ;
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if (candidate == "^") {
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next
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}
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if (candidate == "+") {
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next
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}
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if (candidate ~ /^\^/) {
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next
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}
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if (candidate ~ /^\+/) {
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candidate = substr(candidate, 2);
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}
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if (candidate ~ /^\//) {
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x = split(candidate, a, "/");
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if ( x )
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candidate = a[x];
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}
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if (candidate ~ /^\.\.\//) {
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x = split(candidate, a, "/");
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if ( x )
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candidate = a[x];
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}
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if(dbg) printf "dir: %s %s\n", x, candidate > "/dev/stderr" ;
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if (candidate != pkg_name) {
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requires[candidate] = requires[pkg_name];
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delete requires[pkg_name];
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pkg_name = candidate;
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if(dbg) printf "new pkg_name %s %s\n", x, pkg_name > "/dev/stderr" ;
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pkg_names[depth]=pkg_name
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} else {
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if(dbg) printf "pkg_name remains %s\n", pkg_name > "/dev/stderr" ;
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}
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}
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}
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next
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}
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/^[[:blank:]]*requires(|\([^-][^)]+\))[[:blank:]]*(+=|=)/ {
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if(dbg) printf "GOT: %s\n", $0 > "/dev/stderr" ;
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done=0
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requires_line = ""
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do {
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need_next_line = 1
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line = $0
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requires_line = sprintf("%s%s", requires_line, line)
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l = length(requires_line)
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qm = index(requires_line, "\\"")
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if (l > qm) {
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line = substr(requires_line, qm + 1)
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qm = index(line, "\\"")
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need_next_line = qm == 0
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}
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if (need_next_line) {
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done = getline == 0
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} else {
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done = 1
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}
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} while (done == 0)
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x = split(requires_line, a, "\\"");
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if ( a[2] ) {
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if(dbg) printf "req2 %s %s\n", x, a[2] > "/dev/stderr" ;
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x = gsub("[[:blank:]]+", ",", a[2]);
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if(dbg) printf "req2 %s %s\n", x, a[2] > "/dev/stderr" ;
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if (requires[pkg_name] == "") {
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requires[pkg_name] = a[2]
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} else {
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requires[pkg_name] = sprintf("%s,%s", requires[pkg_name],a[2])
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}
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}
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next
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}
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/^[[:blank:]]*ppx_runtime_deps[[:blank:]]*(+=|=)/ {
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if(dbg) printf "GOT: %s\n", $0 > "/dev/stderr" ;
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done=0
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ppx_runtime_deps_line = ""
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do {
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need_next_line = 1
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line = $0
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ppx_runtime_deps_line = sprintf("%s%s", ppx_runtime_deps_line, line)
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l = length(ppx_runtime_deps_line)
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qm = index(ppx_runtime_deps_line, "\\"")
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if (l > qm) {
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line = substr(ppx_runtime_deps_line, qm + 1)
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qm = index(line, "\\"")
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need_next_line = qm == 0
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}
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if (need_next_line) {
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done = getline == 0
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} else {
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done = 1
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}
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} while (done == 0)
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x = split(ppx_runtime_deps_line, a, "\\"");
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if ( a[2] ) {
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if(dbg) printf "req2 %s %s\n", x, a[2] > "/dev/stderr" ;
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x = gsub("[[:blank:]]+", ",", a[2]);
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if(dbg) printf "req2 %s %s\n", x, a[2] > "/dev/stderr" ;
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if (ppx_runtime_deps[pkg_name] == "") {
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ppx_runtime_deps[pkg_name] = a[2]
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} else {
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requires[pkg_name] = sprintf("%s,%s", requires[pkg_name],a[2])
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}
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}
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next
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}
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/^[[:blank:]]*package[[:blank:]]/ {
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if(dbg) printf "GOT: %s\n", $0 > "/dev/stderr" ;
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depth = depth + 1;
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if(dbg) printf "depth %s\n", depth > "/dev/stderr" ;
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x = split($0, a, "\\"");
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if ( a[2] ) {
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if(dbg) printf "req2 %s %s\n", x, a[2] > "/dev/stderr" ;
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pkg_name = pkg_name"."a[2];
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requires[pkg_name]=""
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pkg_names[depth]=pkg_name
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if(dbg) printf "new pkg_name %s %s\n", x, pkg_name > "/dev/stderr" ;
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}
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next
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}
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/^[[:blank:]]*)/ {
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if(dbg) printf "GOT: %s\n", $0 > "/dev/stderr" ;
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depth = depth -1;
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if(dbg) printf "depth %s\n", depth > "/dev/stderr" ;
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pkg_name=pkg_names[depth]
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if(dbg) printf "old pkg_name %s %s\n", x, pkg_name > "/dev/stderr" ;
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next
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}
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END {
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if(dbg) printf "eND \\"%s\\"\n", pkg_name > "/dev/stderr" ;
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for (req in requires) {
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if(dbg)printf "eNd \\"%s\\"\n", req > "/dev/stderr";
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# format: provides:requires
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printf "%s:%s\n", req, requires[req];
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}
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for (req in ppx_runtime_deps) {
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if(dbg)printf "eNd \\"%s\\"\n", req > "/dev/stderr";
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# format: provides:requires
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printf "%s:%s\n", req, ppx_runtime_deps[req];
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}
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if(dbg) printf "ENd \\"%s\\"\n", pkg_name > "/dev/stderr" ;
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}
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' \"${f}\"
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`"
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for elem in ${pkg_prov_req}
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do
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pkg_prov="${elem%%:*}"
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pkg_req="${elem#*:}"
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pkg_req="${pkg_req//,/ }"
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if test -n "${pkg_prov}" && test "${cmd}" = "prov"
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then
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echo "${prov_req_name}($pkg_prov)"
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fi
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if test "${cmd}" = "req"
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then
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for i in ${pkg_req}
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do
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echo "${prov_req_name}(${i})"
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done
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fi
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done
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}
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while read filename
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do
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case "${filename}" in
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*/META*) do_work "${filename}" ;;
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*) ;;
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esac
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done
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# vim: tw=666 ts=2 shiftwidth=2 et
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