Newer versions of git are more clever.

[invirt/scripts/git-migration.git] / git-migrate

diff --git a/git-migrate b/git-migrate
index 7440717..e61f380 100755 (executable)
--- a/git-migrate
+++ b/git-migrate
@@ -32,7 +32,7 @@ def clonePackage(base, pkg):
                          stdout=subprocess.PIPE)
     p.wait()
     if len(p.stdout.read()) == 0:
-        subprocess.check_call(['git', 'reset', 'HEAD^'],
+        subprocess.check_call(['git', 'reset', '--soft', 'HEAD^'],
                               cwd='%s.git' % pkg)
 
 def cloneAllPackages(base):
@@ -81,13 +81,26 @@ def mergeHistory(old_pkg, new_pkg, n):
     print >>f, ' '.join(graft)
 
 def mergeHistories():
-    for line in open('grafts'):
+    merges = []
+    for line in open('merges'):
         line = line.strip()
         if line[0] == '#' or line == '':
             continue
         
-        old_pkg, new_pkg, n = line.split()
-        mergeHistory(old_pkg, new_pkg, int(n))
+        merges.append(line.split())
+    
+    for merge in merges:
+        mergeHistory(*merge)
+    
+    for line in open('package-list'):
+        line = line.strip()
+        subprocess.check_call(['git', 'filter-branch',
+                               '--',
+                               '--all'],
+                              cwd='%s.git' % line)
+    
+    for merge in merges:
+        shutil.rmtree('%s.git' % merge[0])
 
 if __name__ == '__main__':
     try: