/*
* Returns < 0 if dira includes dirb or dira == dirb;
* Returns 0 if no inclusive relationship;
* Returns > 0 if dirb includes dira.
*/
static int
check_dir_inclusiveness (const char *dira, const char *dirb)
{
char *a, *b;
char *p1, *p2;
int ret = 0;
a = g_strdup(dira);
b = g_strdup(dirb);
remove_trail_slash (a);
remove_trail_slash (b);
p1 = a;
p2 = b;
while (*p1 != 0 && *p2 != 0) {
/* Go to the last one in a path separator sequence. */
while (is_separator(*p1) && is_separator(p1[1]))
++p1;
while (is_separator(*p2) && is_separator(p2[1]))
++p2;
if (!(is_separator(*p1) && is_separator(*p2)) && *p1 != *p2)
goto out;
++p1;
++p2;
}
/* Example:
* p1
* a: /abc/def/ghi
* p2
* b: /abc/def
*/
if (*p1 == 0 && *p2 == 0)
ret = -1;
else if (*p1 != 0 && is_separator(*p1))
ret = 1;
else if (*p2 != 0 && is_separator(*p2))
ret = -1;
out:
g_free (a);
g_free (b);
return ret;
}
static char *
make_worktree (SeafCloneManager *mgr,
const char *worktree,
gboolean dry_run,
GError **error)
{
char *wt = g_strdup (worktree);
struct stat st;
int rc;
char *ret;
remove_trail_slash (wt);
rc = g_lstat (wt, &st);
if (rc < 0 && errno == ENOENT) {
ret = wt;
goto mk_dir;
} else if (rc < 0 || !S_ISDIR(st.st_mode)) {
if (!dry_run) {
g_set_error (error, SEAFILE_DOMAIN, SEAF_ERR_GENERAL,
"Invalid local directory");
g_free (wt);
return NULL;
}
ret = try_worktree (wt);
g_free (wt);
goto mk_dir;
}
/* OK, wt is an existing dir. Let's see if it's the worktree for
* another repo. */
if (is_worktree_of_repo (mgr, wt)) {
if (!dry_run) {
g_set_error (error, SEAFILE_DOMAIN, SEAF_ERR_GENERAL,
"Already in sync");
g_free (wt);
return NULL;
}
ret = try_worktree (wt);
g_free (wt);
} else {
return wt;
}
mk_dir:
if (!dry_run && g_mkdir_with_parents (ret, 0777) < 0) {
seaf_warning ("[clone mgr] Failed to create dir %s.\n", ret);
g_set_error (error, SEAFILE_DOMAIN, SEAF_ERR_GENERAL,
"Failed to create worktree");
g_free (ret);
return NULL;
}
return ret;
}
static char *
make_worktree (SeafCloneManager *mgr,
const char *worktree,
gboolean dry_run,
GError **error)
{
char *wt = g_strdup (worktree);
SeafStat st;
int rc;
char *ret;
remove_trail_slash (wt);
rc = seaf_stat (wt, &st);
if (rc < 0 && errno == ENOENT) {
ret = wt;
return ret;
} else if (rc < 0 || !S_ISDIR(st.st_mode)) {
if (!dry_run) {
g_set_error (error, SEAFILE_DOMAIN, SEAF_ERR_GENERAL,
"Invalid local directory");
g_free (wt);
return NULL;
}
ret = try_worktree (wt);
g_free (wt);
return ret;
}
/* OK, wt is an existing dir. Let's see if it's the worktree for
* another repo. */
if (is_worktree_of_repo (mgr, wt)) {
if (!dry_run) {
g_set_error (error, SEAFILE_DOMAIN, SEAF_ERR_GENERAL,
"Already in sync");
g_free (wt);
return NULL;
}
ret = try_worktree (wt);
g_free (wt);
} else {
return wt;
}
return ret;
}
