Apple-2-SW/dot_clean
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dot_clean - add -d flag to delete .DS_Store. secret -o flag to redirect output. -v -v for more verbose output.

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This commit is contained in:
Kelvin Sherlock 2017-06-13 14:07:07 -04:00
parent 2aa1ccc852
commit 0dac8facb6
1 changed files with 48 additions and 13 deletions
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61
dot_clean.cpp
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@ -63,7 +63,8 @@ bool _m = false;
bool _n = false;
bool _p = false;
bool _s = false;
bool _v = false;
bool _d = false;
unsigned _v = 0;
int _rv = 0;
@ -96,12 +97,27 @@ void throw_errno(const std::string &what) {
void one_file(const std::string &data, const std::string &rsrc) noexcept try {
struct stat rsrc_st;
int ok;
if (_v) fprintf(stdout, "Merging %s & %s\n", rsrc.c_str(), data.c_str());
ok = stat(data.c_str(), &rsrc_st);
if (ok < 0) {
if (errno == ENOENT) {
if (_n) unlink_list.push_back(rsrc);
return;
}
throw_errno("stat");
}
// don't try to do directories.
if (S_ISDIR(rsrc_st.st_mode)) {
if (!_p) unlink_list.push_back(rsrc);
return;
}
int fd = open(data.c_str(), O_RDONLY | O_BINARY);
if (fd < 0) {
if (errno == ENOENT) {
if (_n) unlink_list.push_back(rsrc);
return;
@ -110,7 +126,6 @@ void one_file(const std::string &data, const std::string &rsrc) noexcept try {
}
defer close_fd([fd]{close(fd); });
if (stat(rsrc.c_str(), &rsrc_st) < 0) throw_errno("stat");
if (rsrc_st.st_size == 0) {
// mmapping a zero-length file throws EINVAL.
@ -133,11 +148,6 @@ void one_file(const std::string &data, const std::string &rsrc) noexcept try {
header.numEntries = ntohs(tmp->numEntries);
}
if (header.magicNum != APPLEDOUBLE_MAGIC)
throw_not_apple_double();
@ -276,6 +286,10 @@ void one_dir(std::string dir) noexcept {
DIR *dirp;
dirent *dp;
if (_v >= 2) {
fprintf(stdout, "Processing %s\n", dir.c_str());
}
// check for .AppleDouble folder.
std::vector<std::string> dir_list;
@ -291,9 +305,13 @@ void one_dir(std::string dir) noexcept {
if (dirp) {
while ( (dp = readdir(dirp)) ) {
if (dp->d_name[0] == '.') continue;
std::string name = dp->d_name;
if (name == ".DS_Store" && _d) {
unlink_list.push_back(ad + name);
continue;
}
if (name.front() == '.') continue;
one_file(dir + name, ad + name);
}
@ -314,6 +332,14 @@ void one_dir(std::string dir) noexcept {
while ( (dp = readdir(dirp)) ) {
std::string name = dp->d_name;
if (_d) {
if (name == ".DS_Store" || name == "._.DS_Store") {
unlink_list.push_back(dir + name);
continue;
}
}
if (name.length() > 2 && name[0] == '.' && name[1] == '_') {
one_file(dir + name.substr(2), dir + name);
@ -352,10 +378,11 @@ void help() {
fputs(
"Usage: dot_clean [-fhmnpsv] directory ...\n"
"\n"
" -d Delete .DS_Store files.\n"
" -f Disable recursion\n"
" -h Display help\n"
" -m Always delete apple double files\n"
" -n Deleted apple double files if there is no matching native file\n"
" -n Delete apple double files if there is no matching native file\n"
" -p Preserve apple double file.\n"
" -s Follow symbolic links.\n"
" -v Be verbose\n",
@ -368,15 +395,23 @@ int main(int argc, char **argv) {
int c;
while ((c = getopt(argc, argv, "fhmnpsv")) != -1) {
while ((c = getopt(argc, argv, "dfhmnpsvo:")) != -1) {
switch(c) {
case 'd': _d = true; break;
case 'f': _f = true; break;
case 'h': help(); break;
case 'm': _m = true; break;
case 'n': _n = true; break;
case 'p': _p = true; break;
case 's': _s = true; break;
case 'v': _v = true; break;
case 'v': _v++; break;
case 'o': {
if (strcmp(optarg, "-")) {
FILE *fp = freopen(optarg, "w", stdout);
if (!fp) warn("freopen %s", optarg);
}
break;
}
case ':':
case '?':
default: