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-rw-r--r--lib/libalpm/conflict.c90
1 files changed, 45 insertions, 45 deletions
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index 499e55a4..4daa2194 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -350,16 +350,16 @@ void _alpm_fileconflict_free(pmfileconflict_t *conflict)
/* Find file conflicts that may occur during the transaction with two checks:
* 1: check every target against every target
* 2: check every target against the filesystem */
-alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans, char *root)
+alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
+ alpm_list_t *upgrade, alpm_list_t *remove)
{
- alpm_list_t *i, *conflicts = NULL;
- alpm_list_t *targets = trans->packages;
- int numtargs = alpm_list_count(targets);
+ alpm_list_t *i, *j, *conflicts = NULL;
+ int numtargs = alpm_list_count(upgrade);
int current;
ALPM_LOG_FUNC;
- if(db == NULL || targets == NULL || root == NULL) {
+ if(db == NULL || upgrade == NULL) {
return(NULL);
}
@@ -367,8 +367,8 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans, char *roo
* be possible with real transactions. Right now we only do half as much
* here as we do when we actually extract files in add.c with our 12
* different cases. */
- for(current = 1, i = targets; i; i = i->next, current++) {
- alpm_list_t *j, *k, *tmpfiles = NULL;
+ for(current = 1, i = upgrade; i; i = i->next, current++) {
+ alpm_list_t *k, *tmpfiles = NULL;
pmpkg_t *p1, *p2, *dbpkg;
char path[PATH_MAX+1];
@@ -392,7 +392,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans, char *roo
if(tmpfiles) {
for(k = tmpfiles; k; k = k->next) {
- snprintf(path, PATH_MAX, "%s%s", root, (char *)k->data);
+ snprintf(path, PATH_MAX, "%s%s", handle->root, (char *)k->data);
conflicts = add_fileconflict(conflicts, PM_FILECONFLICT_TARGET, path,
alpm_pkg_get_name(p1), alpm_pkg_get_name(p2));
}
@@ -408,7 +408,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans, char *roo
_alpm_log(PM_LOG_DEBUG, "searching for filesystem conflicts: %s\n", p1->name);
dbpkg = _alpm_db_get_pkgfromcache(db, p1->name);
- /* Do two different checks here. f the package is currently installed,
+ /* Do two different checks here. If the package is currently installed,
* then only check files that are new in the new package. If the package
* is not currently installed, then simply stat the whole filelist */
if(dbpkg) {
@@ -420,12 +420,10 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans, char *roo
tmpfiles = alpm_list_strdup(alpm_pkg_get_files(p1));
}
- /* loop over each file to be installed */
for(j = tmpfiles; j; j = j->next) {
- int skip_conflict = 0;
filestr = j->data;
- snprintf(path, PATH_MAX, "%s%s", root, filestr);
+ snprintf(path, PATH_MAX, "%s%s", handle->root, filestr);
/* stat the file - if it exists, do some checks */
if(_alpm_lstat(path, &lsbuf) != 0) {
@@ -436,48 +434,50 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans, char *roo
if(path[strlen(path)-1] == '/') {
if(S_ISDIR(lsbuf.st_mode)) {
_alpm_log(PM_LOG_DEBUG, "%s is a directory, not a conflict\n", path);
- skip_conflict = 1;
+ continue;
} else if(S_ISLNK(lsbuf.st_mode) && S_ISDIR(sbuf.st_mode)) {
_alpm_log(PM_LOG_DEBUG,
"%s is a symlink to a dir, hopefully not a conflict\n", path);
- skip_conflict = 1;
+ continue;
}
}
- if(!skip_conflict) {
- _alpm_log(PM_LOG_DEBUG, "checking possible conflict: %s\n", path);
-
- /* Look at all the targets to see if file has changed hands */
- int resolved_conflict = 0; /* have we acted on this conflict? */
- for(k = targets; k; k = k->next) {
- p2 = k->data;
- if(!p2 || strcmp(p1->name, p2->name) == 0) {
- continue;
- }
+ _alpm_log(PM_LOG_DEBUG, "checking possible conflict: %s\n", path);
- pmpkg_t *localp2 = _alpm_db_get_pkgfromcache(db, p2->name);
-
- /* Check if it used to exist in a package, but doesn't anymore */
- alpm_list_t *pkgfiles, *localfiles; /* added for readability */
- pkgfiles = alpm_pkg_get_files(p2);
- localfiles = alpm_pkg_get_files(localp2);
-
- if(localp2 && !alpm_list_find_str(pkgfiles, filestr)
- && alpm_list_find_str(localfiles, filestr)) {
- /* skip removal of file, but not add. this will prevent a second
- * package from removing the file when it was already installed
- * by its new owner (whether the file is in backup array or not */
- trans->skip_remove = alpm_list_add(trans->skip_remove, strdup(path));
- _alpm_log(PM_LOG_DEBUG, "file changed packages, adding to remove skiplist: %s\n", filestr);
- resolved_conflict = 1;
- break;
- }
+ int resolved_conflict = 0; /* have we acted on this conflict? */
+
+ /* Check remove list (will we remove the conflicting local file?) */
+ for(k = remove; k && !resolved_conflict; k = k->next) {
+ pmpkg_t *rempkg = k->data;
+ if(rempkg && alpm_list_find_str(alpm_pkg_get_files(rempkg), filestr)) {
+ _alpm_log(PM_LOG_DEBUG, "local file will be removed, not a conflict: %s\n", filestr);
+ resolved_conflict = 1;
}
- if(!resolved_conflict) {
- _alpm_log(PM_LOG_DEBUG, "file found in conflict: %s\n", path);
- conflicts = add_fileconflict(conflicts, PM_FILECONFLICT_FILESYSTEM,
- path, p1->name, NULL);
+ }
+
+ /* Look at all the targets to see if file has changed hands */
+ for(k = upgrade; k && !resolved_conflict; k = k->next) {
+ p2 = k->data;
+ if(!p2 || strcmp(p1->name, p2->name) == 0) {
+ continue;
+ }
+ pmpkg_t *localp2 = _alpm_db_get_pkgfromcache(db, p2->name);
+
+ /* localp2->files will be removed (target conflicts are handled by CHECK 1) */
+ if(localp2 && alpm_list_find_str(alpm_pkg_get_files(localp2), filestr)) {
+ /* skip removal of file, but not add. this will prevent a second
+ * package from removing the file when it was already installed
+ * by its new owner (whether the file is in backup array or not */
+ trans->skip_remove = alpm_list_add(trans->skip_remove, strdup(path));
+ _alpm_log(PM_LOG_DEBUG, "file changed packages, adding to remove skiplist: %s\n", filestr);
+ resolved_conflict = 1;
}
}
+
+ if(!resolved_conflict) {
+ _alpm_log(PM_LOG_DEBUG, "file found in conflict: %s\n", path);
+ conflicts = add_fileconflict(conflicts, PM_FILECONFLICT_FILESYSTEM,
+ path, p1->name, NULL);
+ }
}
FREELIST(tmpfiles);
}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-05-19 00:42:33 +0200