diff options
| -rw-r--r-- | lib/libalpm/be_files.c | 2 | ||||
| -rw-r--r-- | lib/libalpm/trans.c | 2 | ||||
| -rw-r--r-- | lib/libalpm/util.c | 55 | ||||
| -rw-r--r-- | lib/libalpm/util.h | 5 |
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); |