Mercurial > hg
changeset 5348:b62a59fa9d26
darcs2hg: Now understands files that were explicitly renamed in darcs.
| author | Terry Smith <terry@t11e.com> |
|---|---|
| date | Tue, 11 Sep 2007 12:42:52 -0400 |
| parents | aea35488ea66 |
| children | ad8783fe20f7 |
| files | contrib/darcs2hg.py |
| diffstat | 1 files changed, 51 insertions(+), 1 deletions(-) [+] |
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--- a/contrib/darcs2hg.py Fri Aug 31 22:31:43 2007 +0200 +++ b/contrib/darcs2hg.py Tue Sep 11 12:42:52 2007 -0400 @@ -98,6 +98,33 @@ if not new_tip != old_tip + 1: error("Darcs pull did not work as expected: " + res) +def darcs_changes_summary(darcs_repo, chash): + """Gets the changes from the darcs summary. This returns the chronological + list of changes as (change_type, args). Eg. ('add_file', 'foo.txt') or + ('move', ['foo.txt','bar.txt']).""" + change = cmd("darcs changes --summary --xml-output --match=\"hash %s\"" % (chash), darcs_repo) + doc = xml_dom.parseString(change) + for patch_node in doc.childNodes[0].childNodes: + summary_nodes = filter(lambda n: n.nodeName == "summary" and n.nodeType == n.ELEMENT_NODE, patch_node.childNodes) + for summary_node in summary_nodes: + change_nodes = filter(lambda n: n.nodeType == n.ELEMENT_NODE, summary_node.childNodes) + for change_node in change_nodes: + change = change_node.nodeName + if change == 'modify_file': + yield change, change_node.childNodes[0].data.strip() + elif change == 'add_file': + yield change, change_node.childNodes[0].data.strip() + elif change == 'remove_file': + yield change, change_node.childNodes[0].data.strip() + elif change == 'add_directory': + yield change, change_node.childNodes[0].data.strip() + elif change == 'remove_directory': + yield change, change_node.childNodes[0].data.strip() + elif change == 'move': + yield change, (change_node.getAttribute('from'), change_node.getAttribute('to')) + else: + error('Problem parsing summary xml: Unexpected element: ' + change_node.toxml()) + # ------------------------------------------------------------------------------ # # Mercurial interface @@ -127,6 +154,27 @@ tip = tip.split("\n")[0].split(":")[1].strip() return int(tip) +def hg_rename( hg_repo, from_file, to_file ): + cmd("hg rename --after \"%s\" \"%s\"" % (from_file, to_file), hg_repo); + +def hg_handle_change( hg_repo, change, arg ): + """Processes a change event as output by darcs_changes_summary. These + consist of file move/rename/add/delete commands.""" + if change == 'modify_file': + pass + elif change == 'add_file': + pass + elif change =='remove_file': + pass + elif change == 'add_directory': + pass + elif change == 'remove_directory': + pass + elif change == 'move': + hg_rename(hg_repo, arg[0], arg[1]) + else: + error('Unknown change type ' + change + ': ' + arg) + # ------------------------------------------------------------------------------ # # Main @@ -167,11 +215,13 @@ print "(skipping)" else: text = summary + "\n" + description - darcs_pull(hg_repo, darcs_repo, chash) # The commit hash has a date like 20021020201112 # --------------------------------YYYYMMDDHHMMSS date = chash.split("-")[0] epoch = int(mktime(strptime(date, '%Y%m%d%H%M%S'))) + darcs_pull(hg_repo, darcs_repo, chash) + for change, arg in darcs_changes_summary(darcs_repo, chash): + hg_handle_change(hg_repo, change, arg) hg_commit(hg_repo, text, author, epoch) change_number += 1 print "Darcs repository (_darcs) was not deleted. You can keep or remove it."