kallithea Changeset - 19e619f3cde1

Changeset - 19e619f3cde1

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Mads Kiilerich - 9 years ago 2016-07-28 16:28:34
madski@unity3d.com

pullrequests: better handling of Mercurial pullrequests with missing revisions - don't crash

Trying to display a Mercurial PR with missing changesets could give a crash
when trying to compute available updates after 3f646f7bac39 did that
c.cs_ranges could be empty. That would normally not happen on Mercurial, but
could happen when restoring an old filesystem backup ... or when using strip on
the server.

2 files changed with 9 insertions and 3 deletions:

kallithea/controllers/pullrequests.py

kallithea/templates/pullrequests/pullrequest_show.html

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kallithea/controllers/pullrequests.py

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@@ @@ -573,12 +573,14 @@ class PullrequestsController(BaseRepoCon @@
         c.cs_repo = c.cs_repo
         try:
             c.cs_ranges = [org_scm_instance.get_changeset(x)
                            for x in c.pull_request.revisions]
         except ChangesetDoesNotExistError:
             c.cs_ranges = []
             h.flash(_('Revision %s not found in %s') % (x, c.cs_repo.repo_name),
                 'error')
         c.cs_ranges_org = None # not stored and not important and moving target - could be calculated ...
         revs = [ctx.revision for ctx in reversed(c.cs_ranges)]
         c.jsdata = json.dumps(graph_data(org_scm_instance, revs))
         c.is_range = False
         try:
@@ @@ -597,13 +599,15 @@ class PullrequestsController(BaseRepoCon @@
         c.cs_branch_name = c.cs_ref_name
         c.a_branch_name = None
         other_scm_instance = c.a_repo.scm_instance
         c.update_msg = ""
         c.update_msg_other = ""
         try:
             if org_scm_instance.alias == 'hg' and c.a_ref_name != 'ancestor':
             if not c.cs_ranges:
                 c.update_msg = _('Error: changesets not found when displaying pull request from %s.') % c.cs_rev
             elif org_scm_instance.alias == 'hg' and c.a_ref_name != 'ancestor':
                 if c.cs_ref_type != 'branch':
                     c.cs_branch_name = org_scm_instance.get_changeset(c.cs_ref_name).branch # use ref_type ?
                 c.a_branch_name = c.a_ref_name
                 if c.a_ref_type != 'branch':
                     try:
                         c.a_branch_name = other_scm_instance.get_changeset(c.a_ref_name).branch # use ref_type ?
@@ @@ -651,13 +655,13 @@ class PullrequestsController(BaseRepoCon @@
                     avail_show = sorted(show, reverse=True)
             elif org_scm_instance.alias == 'git':
                 c.cs_repo.scm_instance.get_changeset(c.cs_rev) # check it exists - raise ChangesetDoesNotExistError if not
                 c.update_msg = _("Git pull requests don't support iterating yet.")
         except ChangesetDoesNotExistError:
-            c.update_msg = _('Error: revision %s was not found. Please create a new pull request!') % c.cs_rev
+            c.update_msg = _('Error: some changesets not found when displaying pull request from %s.') % c.cs_rev
         c.avail_revs = avail_revs
         c.avail_cs = [org_scm_instance.get_changeset(r) for r in avail_show]
         c.avail_jsdata = json.dumps(graph_data(org_scm_instance, avail_show))
         raw_ids = [x.raw_id for x in c.cs_ranges]

kallithea/templates/pullrequests/pullrequest_show.html

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@@ @@ -130,20 +130,22 @@ ${self.repo_context_bar('showpullrequest @@
         </div>
         <div class="field">
           <div class="label-summary">
               <label>${_('Pull changes')}:</label>
           </div>
           <div class="input">
             %if c.cs_ranges:
               <div>
                ## TODO: use cs_ranges[-1] or org_ref_parts[1] in both cases?
                %if h.is_hg(c.pull_request.org_repo):
                  <span style="font-family: monospace">hg pull ${c.pull_request.org_repo.clone_url()} -r ${h.short_id(c.cs_ranges[-1].raw_id)}</span>
                %elif h.is_git(c.pull_request.org_repo):
                  <span style="font-family: monospace">git pull ${c.pull_request.org_repo.clone_url()} ${c.pull_request.org_ref_parts[1]}</span>
                %endif
               </div>
             %endif
           </div>
         </div>
         <div class="field">
           <div class="label-summary">
               <label>${_('Created on')}:</label>
           </div>
@@ @@ -177,13 +179,13 @@ ${self.repo_context_bar('showpullrequest @@
                 <div style="height:0">
                   <canvas id="avail_graph_canvas" style="width:0"></canvas>
                 </div>
                 <table id="updaterevs-table" class="noborder" style="padding-left:50px">
                   %for cnt, cs in enumerate(c.avail_cs):
                     <tr id="chg_available_${cnt+1}">
                       %if cs.revision == c.cs_ranges[-1].revision:
+                      %if c.cs_ranges and cs.revision == c.cs_ranges[-1].revision:
                         <td>
                           %if editable:
                             ${h.radio(name='updaterev', value='', checked=True)}
                           %endif
                         </td>
                         <td colspan="4">${_("Current revision - no change")}</td>

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