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libxbps: apply file timestamps to unmodified files on-disk while unpacking.

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This commit is contained in:
Juan RP
2015-02-25 11:10:18 +01:00
parent b133b9023c
commit cbe493858c
2 changed files with 31 additions and 0 deletions
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27
lib/package_unpack.c
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@ -392,6 +392,33 @@ unpack_archive(struct xbps_handle *xhp,
"mode to %s.\n", pkgver, entry_pname,
archive_entry_strmode(entry));
}
/*
* Check if current file mtime differs from archive entry
* in binpkg and apply mtime if true.
*/
if (!force && file_exists && skip_extract &&
(archive_entry_mtime_nsec(entry) != st.st_mtime)) {
struct timespec ts[2];
ts[0].tv_sec = archive_entry_atime(entry);
ts[0].tv_nsec = archive_entry_atime_nsec(entry);
ts[1].tv_sec = archive_entry_mtime(entry);
ts[1].tv_nsec = archive_entry_mtime_nsec(entry);
if (utimensat(AT_FDCWD, entry_pname, ts,
AT_SYMLINK_NOFOLLOW) == -1) {
xbps_dbg_printf(xhp,
"%s: failed "
"to set mtime %ju to %s: %s\n",
pkgver, archive_entry_mtime_nsec(entry),
entry_pname,
strerror(errno));
rv = EINVAL;
goto out;
}
xbps_dbg_printf(xhp, "%s: updated file timestamps to %s\n",
pkgver, entry_pname);
}
if (!force && skip_extract) {
archive_read_data_skip(ar);
continue;