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implement Wfind;
include "sys.m";
sys: Sys;
include "draw.m";
include "bufio.m";
bufio: Bufio;
Iobuf: import bufio;
include "arg.m";
arg: Arg;
include "wrap.m";
wrap : Wrap;
include "sh.m";
include "keyring.m";
keyring : Keyring;
include "readdir.m";
readdir : Readdir;
Wfind: module{
init: fn(nil: ref Draw->Context, nil: list of string);
};
fatal(err : string)
{
sys->fprint(sys->fildes(2), "%s\n", err);
exit;
}
init(nil: ref Draw->Context, args: list of string)
{
sys = load Sys Sys->PATH;
bufio = load Bufio Bufio->PATH;
arg = load Arg Arg->PATH;
keyring = load Keyring Keyring->PATH;
readdir = load Readdir Readdir->PATH;
wrap = load Wrap Wrap->PATH;
wrap->init(bufio);
pkgs: list of string;
indir := "/install";
arg->init(args);
while ((c := arg->opt()) != 0) {
case c {
'p' =>
pkg := arg->arg();
if (pkg == nil)
fatal("missing package name");
pkgs = pkg :: pkgs;
* =>
fatal(sys->sprint("bad argument -%c", c));
}
}
args = arg->argv();
if (args == nil)
fatal("usage: install/wfind [-p package ... ] file ...");
# (ok, dir) := sys->stat(indir);
# if (ok < 0)
# fatal(sys->sprint("cannot open install directory %s", indir));
if(pkgs != nil){
npkgs: list of string;
for(pkg := pkgs; pkg != nil; pkg = tl pkg)
npkgs = hd pkg :: npkgs;
pkgs = npkgs;
for(pkg = pkgs; pkg != nil; pkg = tl pkg)
scanpkg(hd pkg, indir+"/"+hd pkg, args);
}
else
scanpkgs(indir, args);
prfiles();
}
scanpkgs(d : string, files: list of string)
{
(dir, n) := readdir->init(d, Readdir->NAME|Readdir->COMPACT);
for (i := 0; i < n; i++) {
if (dir[i].mode & Sys->DMDIR)
scanpkg(dir[i].name, d + "/" + dir[i].name, files);
}
}
scanpkg(pkg : string, d : string, files: list of string)
{
# base package, updates and update packages have the name
# <timestamp> or <timestamp.gz>
(dir, n) := readdir->init(d, Readdir->NAME|Readdir->COMPACT);
for (i := 0; i < n; i++) {
f := dir[i].name;
l := len f;
if (l >= 4 && f[l-3:l] == ".gz")
f = f[0:l-3];
scanfile(f, pkg, d+"/"+dir[i].name, files);
}
w := wrap->openwrap(pkg, "/", 0);
if(w == nil)
return;
for(i = 0; i < w.nu; i++)
scanw(w, i, files, WRAP, pkg);
}
scanfile(f: string, pkg: string, d: string, files: list of string)
{
f = nil;
# sys->print("%s %s %s\n", f, pkg, d);
w := wrap->openwraphdr(d, "/", nil, 0);
if(w == nil)
return;
if(w.nu != 1)
fatal("strange package: more than one piece");
# sys->print(" %s %d %s %d %d %d\n", w.name, w.tfull, w.u[0].desc, w.u[0].time, w.u[0].utime, w.u[0].typ);
scanw(w, 0, files, INSTALL, pkg);
}
scanw(w: ref Wrap->Wrapped, i: int, files: list of string, where: int, pkg: string)
{
w.u[i].bmd5.seek(big 0, Bufio->SEEKSTART);
while ((p := w.u[i].bmd5.gets('\n')) != nil){
# sys->print("%s", p);
(n, l) := sys->tokenize(p, " \n");
if(n != 2)
fatal(sys->sprint("bad md5 file in %s\n", wtype(where)+"/"+w.name+"/"+wrap->now2string(w.u[i].time, 0)));
file := hd l;
md5 := hd tl l;
for(fs := files; fs != nil; fs = tl fs){
if(strsuffix(file, hd fs)){
# sys->print("%s %s %s %d\n", pkg, file, md5, where);
addfile(file, w, i, md5, where, pkg);
}
}
}
}
Stat: adt{
name: string;
occs: list of (ref Wrap->Wrapped, int, string, int, string);
md5: string;
};
stats: list of ref Stat;
addfile(file: string, w: ref Wrap->Wrapped, i: int, md5: string, where: int, pkg: string)
{
for(sts := stats; sts != nil; sts = tl sts){
st := hd sts;
if(st.name == file){
st.occs = (w, i, md5, where, pkg) :: st.occs;
return;
}
}
digest := array[keyring->MD5dlen] of { * => byte 0 };
if (wrap->md5file(file, digest) < 0)
str := "non-existent"+blanks(32-12);
else
str = wrap->md5conv(digest);
st := ref Stat;
st.name = file;
st.occs = (w, i, md5, where, pkg) :: nil;
st.md5 = str;
stats = st :: stats;
}
prfiles()
{
for(sts := stats; sts != nil; sts = tl sts){
st := hd sts;
sys->print("%s\n", st.name);
proccs(st.occs);
sys->print("\t%s %s\n", st.md5, st.name);
}
}
proccs(ocs: list of (ref Wrap->Wrapped, int, string, int, string))
{
if(ocs != nil){
proccs(tl ocs);
(w, i, md5, where, pkg) := hd ocs;
sys->print("\t%s %s/%s(%s)\t%s\n", md5, w.name, wrap->now2string(w.u[i].time, 0), ptype(w.u[i].typ), wtype(where)+"/"+pkg);
}
}
ptype(p: int): string
{
return (array[] of { "???", "package ", "update ", "full upd" })[p];
}
INSTALL: con 0;
WRAP: con 1;
wtype(w: int): string
{
return (array[] of { "/install", "/wrap" })[w];
}
strsuffix(s: string, suf: string): int
{
return (l1 := len s) >= (l2 := len suf) && s[l1-l2: l1] == suf;
}
blanks(n: int): string
{
s := "";
for(i := 0; i < n; i++)
s += " ";
return s;
}
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