-// $Id: vclone.c 2494 2007-02-11 00:45:04Z dhozac $ --*- c -*--
+// $Id: vclone.c 2569 2007-07-22 17:24:29Z dhozac $ --*- c -*--
// Copyright (C) 2007 Daniel Hokka Zakrisson
//
#include "lib_internal/pathinfo.h"
#include "lib_internal/unify.h"
+#include "lib_internal/matchlist.h"
#include <unistd.h>
#include <getopt.h>
#define ENSC_WRAPPERS_UNISTD 1
#define ENSC_WRAPPERS_FCNTL 1
#define ENSC_WRAPPERS_DIRENT 1
+#define ENSC_WRAPPERS_VSERVER 1
#include <wrappers.h>
#define CMD_HELP 0x8000
#define CMD_VERSION 0x8001
+#define CMD_XID 0x8002
struct WalkdownInfo
{
- PathInfo state;
- PathInfo src;
- PathInfo dst;
+ PathInfo state;
+ PathInfo src;
+ PathInfo dst;
+ struct MatchList excludes;
};
struct Arguments {
unsigned int verbosity;
+ xid_t xid;
+ const char * exclude_list;
};
static struct WalkdownInfo global_info;
struct option const
CMDLINE_OPTIONS[] = {
- { "help", no_argument, 0, CMD_HELP },
- { "version", no_argument, 0, CMD_VERSION },
+ { "help", no_argument, 0, CMD_HELP },
+ { "version", no_argument, 0, CMD_VERSION },
+ { "xid", required_argument, 0, CMD_XID },
+ { "exclude-from", required_argument, 0, 'X' },
{ 0,0,0,0 }
};
WRITE_MSG(fd, "Usage:\n ");
WRITE_STR(fd, cmd);
WRITE_MSG(fd,
- " <source> <absolute path to destination>\n\n"
+ " [--xid <xid>] [--exclude-from <exclude-list>]\n"
+ " <source> <absolute path to destination>\n\n"
"Please report bugs to " PACKAGE_BUGREPORT "\n");
exit(res);
}
#include "vserver-visitdir.hc"
+static bool
+handleDirEntry(const PathInfo *src_path, const PathInfo *basename,
+ bool *is_dir, struct stat *st)
+{
+ bool res = false;
+
+ *is_dir = false;
+
+ if (lstat(basename->d, st)==-1)
+ PERROR_Q(ENSC_WRAPPERS_PREFIX "lstat", src_path->d);
+ else {
+ PathInfo dst_path = global_info.dst;
+ char dst_path_buf[ENSC_PI_APPSZ(dst_path, *src_path)];
+
+ if (S_ISDIR(st->st_mode))
+ *is_dir = true;
+
+ if (MatchList_compare(&global_info.excludes, src_path->d) != stINCLUDE) {
+ if (Global_getVerbosity() > 1) {
+ WRITE_MSG(1, " skipping '");
+ Vwrite(1, src_path->d, src_path->l);
+ WRITE_MSG(1, "' (excluded)\n");
+ }
+ return false;
+ }
+
+ PathInfo_append(&dst_path, src_path, dst_path_buf);
+
+ /* skip files that already exist */
+ if (access(dst_path.d, F_OK)!=-1) {
+ if (Global_getVerbosity() > 1) {
+ WRITE_MSG(1, " skipping '");
+ Vwrite(1, src_path->d, src_path->l);
+ WRITE_MSG(1, "' (exists in destination)\n");
+ }
+ res = true;
+ }
+ else {
+ /* create directory that might have been skipped */
+ if (global_info.excludes.skip_depth > 0) {
+ if (Global_getVerbosity() > 4) {
+ WRITE_MSG(1, " creating directories for '");
+ Vwrite(1, dst_path.d, dst_path.l);
+ WRITE_MSG(1, "'\n");
+ }
+ if (mkdirRecursive(dst_path.d) == -1)
+ PERROR_Q(ENSC_WRAPPERS_PREFIX "mkdirRecursive", dst_path.d);
+ }
+
+ /* already unified file */
+ if (S_ISREG(st->st_mode) && Unify_isIUnlinkable(basename->d) == unifyBUSY) {
+ if (Global_getVerbosity() > 2) {
+ WRITE_MSG(1, " linking unified file '");
+ Vwrite(1, src_path->d, src_path->l);
+ WRITE_MSG(1, "'\n");
+ }
+ Elink(basename->d, dst_path.d);
+ res = true;
+ }
+ /* something we have to copy */
+ else {
+ if (Global_getVerbosity() > 2) {
+ WRITE_MSG(1, " copying non-unified file '");
+ Vwrite(1, src_path->d, src_path->l);
+ WRITE_MSG(1, "'\n");
+ }
+ if (!Unify_copy(basename->d, st, dst_path.d))
+ PERROR_Q(ENSC_WRAPPERS_PREFIX "Unify_copy", dst_path.d);
+ else if (global_args->xid != VC_NOCTX &&
+ vc_set_iattr(dst_path.d, global_args->xid, 0, VC_IATTR_XID) == -1)
+ PERROR_Q(ENSC_WRAPPERS_PREFIX "vc_set_iattr", dst_path.d);
+ else
+ res = true;
+ }
+ }
+ }
+
+ return res;
+}
+
+/* returns 1 on error, 0 on success */
static uint64_t
visitDirEntry(struct dirent const *ent)
{
};
char path_buf[ENSC_PI_APPSZ(src_path, src_d_path)];
struct stat f_stat = { .st_dev = 0 };
+ bool is_dir;
PathInfo_append(&src_path, &src_d_path, path_buf);
-
- if (lstat(dirname, &f_stat)==-1)
- perror(ENSC_WRAPPERS_PREFIX "lstat()");
- else {
- PathInfo dst_path = global_info.dst;
- char dst_path_buf[ENSC_PI_APPSZ(dst_path, src_path)];
-
- PathInfo_append(&dst_path, &src_path, dst_path_buf);
+ if (handleDirEntry(&src_path, &src_d_path, &is_dir, &f_stat))
+ res = 0;
- /* skip files that already exist */
- if (access(dst_path.d, F_OK)!=-1)
- res = 0;
- else if (S_ISREG(f_stat.st_mode) && Unify_isIUnlinkable(src_d_path.d) == unifyBUSY) {
- Elink(src_d_path.d, dst_path.d);
- res = 0;
- }
- else {
- if (!Unify_copy(src_d_path.d, &f_stat, dst_path.d)) {
- perror(ENSC_WRAPPERS_PREFIX "Unify_copy()");
- exit(wrapper_exit_code);
- }
- res = 0;
- }
- if (S_ISDIR(f_stat.st_mode))
- res = visitDir(dirname, &f_stat);
+ if (is_dir) {
+ if (res || global_info.excludes.skip_depth > 0)
+ global_info.excludes.skip_depth++;
+ res = res + visitDir(dirname, &f_stat);
+ if (global_info.excludes.skip_depth > 0)
+ global_info.excludes.skip_depth--;
}
return res;
{
struct Arguments args = {
.verbosity = 0,
+ .xid = VC_NOCTX,
+ .exclude_list = NULL,
};
uint64_t res;
int num_args;
global_args = &args;
while (1) {
- int c = getopt_long(argc, argv, "+",
+ int c = getopt_long(argc, argv, "+vX:",
CMDLINE_OPTIONS, 0);
if (c==-1) break;
switch (c) {
case CMD_HELP : showHelp(1, argv[0], 0);
case CMD_VERSION : showVersion();
+ case 'v' : args.verbosity++; break;
+ case 'X' : args.exclude_list = optarg; break;
+ case CMD_XID : args.xid = Evc_xidopt2xid(optarg,true); break;
default :
WRITE_MSG(2, "Try '");
WRITE_STR(2, argv[0]);
ENSC_PI_SETSTR(global_info.src, argv[optind]);
ENSC_PI_SETSTR(global_info.dst, argv[optind+1]);
+ if (global_args->exclude_list)
+ MatchList_initManually(&global_info.excludes, 0, strdup(argv[optind]),
+ global_args->exclude_list);
+ else
+ MatchList_init(&global_info.excludes, argv[optind], 0);
+
if (global_args->verbosity>3)
WRITE_MSG(1, "Starting to traverse directories...\n");
Echdir(global_info.src.d);
res = visitDir("/", 0);
+
+ MatchList_destroy(&global_info.excludes);
return res>0 ? 1 : 0;
}
git://git.onelab.eu / util-vserver.git / blobdiff