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-rw-r--r--lib/libalpm/add.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c
index b8b1ca18..2d4b7baa 100644
--- a/lib/libalpm/add.c
+++ b/lib/libalpm/add.c
@@ -257,6 +257,8 @@ static int extract_single_file(alpm_handle_t *handle, struct archive *archive,
/* check newpkg first, so that adding backup files is retroactive */
backup = _alpm_needbackup(entryname, alpm_pkg_get_backup(newpkg));
if(backup) {
+ /* if we force hash_orig to be non-NULL retroactive backup works */
+ hash_orig = "";
needbackup = 1;
}
@@ -268,11 +270,6 @@ static int extract_single_file(alpm_handle_t *handle, struct archive *archive,
needbackup = 1;
}
}
-
- /* if we force hash_orig to be non-NULL retroactive backup works */
- if(needbackup && !hash_orig) {
- hash_orig = "";
- }
}
}
/* else if(S_ISLNK(entrymode)) */
@@ -319,7 +316,7 @@ static int extract_single_file(alpm_handle_t *handle, struct archive *archive,
_alpm_log(handle, PM_LOG_DEBUG, "original: %s\n", hash_orig);
if(!oldpkg) {
- if(strcmp(hash_local, hash_pkg) != 0) {
+ if(hash_local && hash_pkg && strcmp(hash_local, hash_pkg) != 0) {
/* looks like we have a local file that has a different hash as the
* file in the package, move it to a .pacorig */
char newpath[PATH_MAX];
@@ -352,9 +349,9 @@ static int extract_single_file(alpm_handle_t *handle, struct archive *archive,
} else if(hash_orig) {
/* the fun part */
- if(strcmp(hash_orig, hash_local) == 0) {
+ if(hash_local && strcmp(hash_orig, hash_local) == 0) {
/* installed file has NOT been changed by user */
- if(strcmp(hash_orig, hash_pkg) != 0) {
+ if(hash_pkg && strcmp(hash_orig, hash_pkg) != 0) {
_alpm_log(handle, PM_LOG_DEBUG, "action: installing new file: %s\n",
entryname_orig);
@@ -366,18 +363,18 @@ static int extract_single_file(alpm_handle_t *handle, struct archive *archive,
errors++;
}
} else {
- /* there's no sense in installing the same file twice, install
- * ONLY is the original and package hashes differ */
+ /* no sense in installing the same file twice, install
+ * ONLY if the original and package hashes differ */
_alpm_log(handle, PM_LOG_DEBUG, "action: leaving existing file in place\n");
unlink(checkfile);
}
- } else if(strcmp(hash_orig, hash_pkg) == 0) {
+ } else if(hash_pkg && strcmp(hash_orig, hash_pkg) == 0) {
/* originally installed file and new file are the same - this
* implies the case above failed - i.e. the file was changed by a
* user */
_alpm_log(handle, PM_LOG_DEBUG, "action: leaving existing file in place\n");
unlink(checkfile);
- } else if(strcmp(hash_local, hash_pkg) == 0) {
+ } else if(hash_local && hash_pkg && strcmp(hash_local, hash_pkg) == 0) {
/* this would be magical. The above two cases failed, but the
* user changes just so happened to make the new file exactly the
* same as the one in the package... skip it */
@@ -460,6 +457,8 @@ static int commit_single_pkg(alpm_handle_t *handle, alpm_pkg_t *newpkg,
alpm_db_t *db = handle->db_local;
alpm_trans_t *trans = handle->trans;
+ ASSERT(trans != NULL, return -1);
+
snprintf(scriptlet, PATH_MAX, "%s%s-%s/install",
_alpm_db_path(db), alpm_pkg_get_name(newpkg),
alpm_pkg_get_version(newpkg));