Blame SOURCES/rsync-3.1.3-xattr.patch
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diff --git a/xattrs.c b/xattrs.c
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index 508649c0..3c549192 100644
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--- a/xattrs.c
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+++ b/xattrs.c
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@@ -1055,7 +1055,7 @@ int set_xattr(const char *fname, const struct file_struct *file, const char *fna
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{
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rsync_xa_list *glst = rsync_xal_l.items;
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item_list *lst;
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- int ndx;
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+ int ndx, added_write_perm = 0;
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if (dry_run)
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return 1; /* FIXME: --dry-run needs to compute this value */
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@@ -1084,10 +1084,23 @@ int set_xattr(const char *fname, const struct file_struct *file, const char *fna
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}
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#endif
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+ /* If the target file lacks write permission, we try to add it
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+ * temporarily so we can change the extended attributes. */
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+ if (!am_root
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+#ifdef SUPPORT_LINKS
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+ && !S_ISLNK(sxp->st.st_mode)
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+#endif
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+ && access(fname, W_OK) < 0
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+ && do_chmod(fname, (sxp->st.st_mode & CHMOD_BITS) | S_IWUSR) == 0)
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+ added_write_perm = 1;
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+
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ndx = F_XATTR(file);
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glst += ndx;
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lst = &glst->xa_items;
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- return rsync_xal_set(fname, lst, fnamecmp, sxp);
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+ int return_value = rsync_xal_set(fname, lst, fnamecmp, sxp);
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+ if (added_write_perm) /* remove the temporary write permission */
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+ do_chmod(fname, sxp->st.st_mode);
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+ return return_value;
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}
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#ifdef SUPPORT_ACLS
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