static void
clean(void)
{
int i, j, k;
Buf b, path;
Vec dir;
binit(&b);
binit(&path);
vinit(&dir);
for(i=0; i<nelem(cleantab); i++) {
if((streq(cleantab[i], "cmd/prof")) && !isdir(cleantab[i]))
continue;
bpathf(&path, "%s/src/%s", goroot, cleantab[i]);
xreaddir(&dir, bstr(&path));
// Remove generated files.
for(j=0; j<dir.len; j++) {
for(k=0; k<nelem(gentab); k++) {
if(hasprefix(dir.p[j], gentab[k].nameprefix))
xremove(bpathf(&b, "%s/%s", bstr(&path), dir.p[j]));
}
}
// Remove generated binary named for directory.
if(hasprefix(cleantab[i], "cmd/"))
xremove(bpathf(&b, "%s/%s", bstr(&path), cleantab[i]+4));
}
// remove src/pkg/runtime/z* unconditionally
vreset(&dir);
bpathf(&path, "%s/src/pkg/runtime", goroot);
xreaddir(&dir, bstr(&path));
for(j=0; j<dir.len; j++) {
if(hasprefix(dir.p[j], "z"))
xremove(bpathf(&b, "%s/%s", bstr(&path), dir.p[j]));
}
if(rebuildall) {
// Remove object tree.
xremoveall(bpathf(&b, "%s/pkg/obj/%s_%s", goroot, gohostos, gohostarch));
// Remove installed packages and tools.
xremoveall(bpathf(&b, "%s/pkg/%s_%s", goroot, gohostos, gohostarch));
xremoveall(bpathf(&b, "%s/pkg/%s_%s", goroot, goos, goarch));
xremoveall(tooldir);
// Remove cached version info.
xremove(bpathf(&b, "%s/VERSION.cache", goroot));
}
bfree(&b);
bfree(&path);
vfree(&dir);
}
static void
clean(void)
{
int i, j, k;
Buf b, path;
Vec dir;
binit(&b);
binit(&path);
vinit(&dir);
for(i=0; i<nelem(cleantab); i++) {
bpathf(&path, "%s/src/%s", goroot, cleantab[i]);
xreaddir(&dir, bstr(&path));
// Remove generated files.
for(j=0; j<dir.len; j++) {
for(k=0; k<nelem(gentab); k++) {
if(hasprefix(dir.p[j], gentab[k].nameprefix))
xremove(bpathf(&b, "%s/%s", bstr(&path), dir.p[j]));
}
}
// Remove generated binary named for directory.
if(hasprefix(cleantab[i], "cmd/"))
xremove(bpathf(&b, "%s/%s", bstr(&path), cleantab[i]+4));
}
// remove src/runtime/zaexperiment.h and
// except leave zgoos and zgoarch, now maintained with go generate.
bpathf(&path, "%s/src/runtime", goroot);
for(j=0; j<nelem(runtimegen); j++)
xremove(bpathf(&b, "%s/%s", bstr(&path), runtimegen[j]));
if(rebuildall) {
// Remove object tree.
xremoveall(bpathf(&b, "%s/pkg/obj/%s_%s", goroot, gohostos, gohostarch));
// Remove installed packages and tools.
xremoveall(bpathf(&b, "%s/pkg/%s_%s", goroot, gohostos, gohostarch));
xremoveall(bpathf(&b, "%s/pkg/%s_%s", goroot, goos, goarch));
xremoveall(tooldir);
// Remove cached version info.
xremove(bpathf(&b, "%s/VERSION.cache", goroot));
}
bfree(&b);
bfree(&path);
vfree(&dir);
}
// rmworkdir deletes the work directory.
static void
rmworkdir(void)
{
if(vflag > 1)
errprintf("rm -rf %s\n", workdir);
xremoveall(workdir);
}
// xremoveall removes the file or directory tree rooted at p.
void
xremoveall(char *p)
{
int i;
Buf b;
Vec dir;
binit(&b);
vinit(&dir);
if(isdir(p)) {
xreaddir(&dir, p);
for(i=0; i<dir.len; i++) {
bprintf(&b, "%s/%s", p, dir.p[i]);
xremoveall(bstr(&b));
}
if(vflag > 2)
xprintf("rm %s\n", p);
rmdir(p);
} else {
if(vflag > 2)
xprintf("rm %s\n", p);
unlink(p);
}
bfree(&b);
vfree(&dir);
}
// setup sets up the tree for the initial build.
static void
setup(void)
{
int i;
Buf b;
char *p;
binit(&b);
// Create bin directory.
p = bpathf(&b, "%s/bin", goroot);
if(!isdir(p))
xmkdir(p);
// Create package directory.
p = bpathf(&b, "%s/pkg", goroot);
if(!isdir(p))
xmkdir(p);
p = bpathf(&b, "%s/pkg/%s_%s", goroot, gohostos, gohostarch);
if(rebuildall)
xremoveall(p);
xmkdirall(p);
if(!streq(goos, gohostos) || !streq(goarch, gohostarch)) {
p = bpathf(&b, "%s/pkg/%s_%s", goroot, goos, goarch);
if(rebuildall)
xremoveall(p);
xmkdirall(p);
}
// Create object directory.
// We keep it in pkg/ so that all the generated binaries
// are in one tree. If pkg/obj/libgc.a exists, it is a dreg from
// before we used subdirectories of obj. Delete all of obj
// to clean up.
bpathf(&b, "%s/pkg/obj/libgc.a", goroot);
if(isfile(bstr(&b)))
xremoveall(bpathf(&b, "%s/pkg/obj", goroot));
p = bpathf(&b, "%s/pkg/obj/%s_%s", goroot, gohostos, gohostarch);
if(rebuildall)
xremoveall(p);
xmkdirall(p);
// Create tool directory.
// We keep it in pkg/, just like the object directory above.
if(rebuildall)
xremoveall(tooldir);
xmkdirall(tooldir);
// Remove tool binaries from before the tool/gohostos_gohostarch
xremoveall(bpathf(&b, "%s/bin/tool", goroot));
// Remove old pre-tool binaries.
for(i=0; i<nelem(oldtool); i++)
xremove(bpathf(&b, "%s/bin/%s", goroot, oldtool[i]));
// If $GOBIN is set and has a Go compiler, it must be cleaned.
for(i=0; gochars[i]; i++) {
if(isfile(bprintf(&b, "%s%s%c%s", gobin, slash, gochars[i], "g"))) {
for(i=0; i<nelem(oldtool); i++)
xremove(bprintf(&b, "%s%s%s", gobin, slash, oldtool[i]));
break;
}
}
// For release, make sure excluded things are excluded.
if(hasprefix(goversion, "release.") || hasprefix(goversion, "go")) {
for(i=0; i<nelem(unreleased); i++)
if(isdir(bpathf(&b, "%s/%s", goroot, unreleased[i])))
fatal("%s should not exist in release build", bstr(&b));
}
bfree(&b);
}
