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-rw-r--r--lib/libalpm/be_files.c2
-rw-r--r--lib/libalpm/trans.c2
-rw-r--r--lib/libalpm/util.c55
-rw-r--r--lib/libalpm/util.h5
4 files changed, 50 insertions, 14 deletions
diff --git a/lib/libalpm/be_files.c b/lib/libalpm/be_files.c
index 51492d52..53bbda13 100644
--- a/lib/libalpm/be_files.c
+++ b/lib/libalpm/be_files.c
@@ -245,7 +245,7 @@ int SYMEXPORT alpm_db_update(int force, pmdb_t *db)
/* uncompress the sync database */
checkdbdir(db);
- ret = _alpm_unpack(dbfilepath, syncdbpath, NULL);
+ ret = _alpm_unpack(dbfilepath, syncdbpath, NULL, 0);
if(ret) {
free(dbfilepath);
RET_ERR(PM_ERR_SYSTEM, -1);
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c
index de45aeae..65bd4642 100644
--- a/lib/libalpm/trans.c
+++ b/lib/libalpm/trans.c
@@ -368,7 +368,7 @@ int _alpm_runscriptlet(const char *root, const char *installfn,
/* either extract or copy the scriptlet */
snprintf(scriptfn, PATH_MAX, "%s/.INSTALL", tmpdir);
if(!strcmp(script, "pre_upgrade") || !strcmp(script, "pre_install")) {
- if(_alpm_unpack(installfn, tmpdir, ".INSTALL")) {
+ if(_alpm_unpack_single(installfn, tmpdir, ".INSTALL")) {
retval = 1;
}
} else {
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index c44da4f3..d9108096 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -238,14 +238,38 @@ int _alpm_lckrm()
/* Compression functions */
/**
- * @brief Unpack a specific file or all files in an archive.
+ * @brief Unpack a specific file in an archive.
*
* @param archive the archive to unpack
* @param prefix where to extract the files
- * @param fn a file within the archive to unpack or NULL for all
+ * @param fn a file within the archive to unpack
* @return 0 on success, 1 on failure
*/
-int _alpm_unpack(const char *archive, const char *prefix, const char *fn)
+int _alpm_unpack_single(const char *archive, const char *prefix, const char *fn)
+{
+ alpm_list_t *list = NULL;
+ int ret = 0;
+ if(fn == NULL) {
+ return(1);
+ }
+ list = alpm_list_add(list, (void *)fn);
+ ret = _alpm_unpack(archive, prefix, list, 1);
+ alpm_list_free(list);
+ return(ret);
+}
+
+/**
+ * @brief Unpack a list of files in an archive.
+ *
+ * @param archive the archive to unpack
+ * @param prefix where to extract the files
+ * @param list a list of files within the archive to unpack or
+ * NULL for all
+ * @param breakfirst break after the first entry found
+ *
+ * @return 0 on success, 1 on failure
+ */
+int _alpm_unpack(const char *archive, const char *prefix, alpm_list_t *list, int breakfirst)
{
int ret = 0;
mode_t oldmask;
@@ -298,14 +322,23 @@ int _alpm_unpack(const char *archive, const char *prefix, const char *fn)
archive_entry_set_perm(entry, 0755);
}
- /* If a specific file was requested skip entries that don't match. */
- if (fn && strcmp(fn, entryname)) {
- _alpm_log(PM_LOG_DEBUG, "skipping: %s\n", entryname);
- if (archive_read_data_skip(_archive) != ARCHIVE_OK) {
- ret = 1;
- goto cleanup;
+ /* If specific files were requested, skip entries that don't match. */
+ if(list) {
+ char *prefix = strdup(entryname);
+ char *p = strstr(prefix,"/");
+ if(p) {
+ *(p+1) = '\0';
+ }
+ char *found = alpm_list_find_str(list, prefix);
+ free(prefix);
+ if(!found) {
+ _alpm_log(PM_LOG_DEBUG, "skipping: %s\n", entryname);
+ if (archive_read_data_skip(_archive) != ARCHIVE_OK) {
+ ret = 1;
+ goto cleanup;
+ }
+ continue;
}
- continue;
}
/* Extract the archive entry. */
@@ -321,7 +354,7 @@ int _alpm_unpack(const char *archive, const char *prefix, const char *fn)
goto cleanup;
}
- if(fn) {
+ if(breakfirst) {
break;
}
}
diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h
index 7c569ece..37893c8b 100644
--- a/lib/libalpm/util.h
+++ b/lib/libalpm/util.h
@@ -26,6 +26,8 @@
#include "config.h"
+#include "alpm_list.h"
+
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
@@ -62,7 +64,8 @@ int _alpm_copyfile(const char *src, const char *dest);
char *_alpm_strtrim(char *str);
int _alpm_lckmk();
int _alpm_lckrm();
-int _alpm_unpack(const char *archive, const char *prefix, const char *fn);
+int _alpm_unpack_single(const char *archive, const char *prefix, const char *fn);
+int _alpm_unpack(const char *archive, const char *prefix, alpm_list_t *list, int breakfirst);
int _alpm_rmrf(const char *path);
int _alpm_logaction(int usesyslog, FILE *f, const char *fmt, va_list args);
int _alpm_run_chroot(const char *root, const char *cmd);