X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;ds=sidebyside;f=daklib%2Futils.py;h=e709788ed39affc9715d518893fba1eb5dabc5df;hb=be05b200c98704512a6ba907725f6517933a99c5;hp=2b243b85f9d6e19796dd7ec46e33c7f055cefdc4;hpb=ebfcbc52d653737ace24aeac9c01b8faf83151a4;p=dak.git

diff --git a/daklib/utils.py b/daklib/utils.py
index 2b243b85..e709788e 100755
--- a/daklib/utils.py
+++ b/daklib/utils.py
@@ -45,7 +45,8 @@ from dak_exceptions import *
 from textutils import fix_maintainer
 from regexes import re_html_escaping, html_escaping, re_single_line_field, \
                     re_multi_line_field, re_srchasver, re_taint_free, \
-                    re_gpg_uid, re_re_mark, re_whitespace_comment, re_issource
+                    re_gpg_uid, re_re_mark, re_whitespace_comment, re_issource, \
+                    re_is_orig_source
 
 from srcformats import get_format_from_string
 from collections import defaultdict
@@ -1507,3 +1508,48 @@ if which_conf_file() != default_config:
     apt_pkg.ReadConfigFileISC(Cnf,which_conf_file())
 
 ###############################################################################
+
+def ensure_orig_files(changes, dest_dir, session):
+    """
+    Ensure that dest_dir contains all the orig tarballs for the specified
+    changes. If it does not, symlink them into place.
+
+    Returns a 2-tuple (already_exists, symlinked) containing a list of files
+    that were already there and a list of files that were symlinked into place.
+    """
+
+    exists, symlinked = [], []
+
+    for dsc_file in changes.dsc_files:
+
+        # Skip all files that are not orig tarballs
+        if not re_is_orig_source.match(dsc_file):
+            continue
+
+        # Skip orig files not identified in the pool
+        if not (dsc_file in changes.orig_files and
+                'id' in changes.orig_files[dsc_file]):
+            continue
+
+        dest = os.path.join(dest_dir, dsc_file)
+
+        if os.path.exists(dest):
+            exists.append(dest)
+            continue
+
+        orig_file_id = changes.orig_files[dsc_file]['id']
+
+        c = session.execute(
+            'SELECT l.path, f.filename FROM location l, files f WHERE f.id = :id and f.location = l.id',
+            {'id': orig_file_id}
+        )
+
+        res = c.fetchone()
+        if not res:
+            return "[INTERNAL ERROR] Couldn't find id %s in files table." % orig_file_id
+
+        src = os.path.join(res[0], res[1])
+        os.symlink(src, dest)
+        symlinked.append(dest)
+
+    return files