When an object has already been exported (and thus is in the marks) it's
flagged as SHOWN, so it will not be exported again, even if in a later
time it's exported through a different ref.
We don't need the object to be exported again, but we want the ref
updated, which doesn't happen.
Since we can't know if a ref was exported or not, let's just assume that
if the commit was marked (flags & SHOWN), the user still wants the ref
updated.
IOW: If it's specified in the command line, it will get updated,
regardless of whether or not the object was marked.
So:
% git branch test master
% git fast-export $mark_flags master
% git fast-export $mark_flags test
Would export 'test' properly.
Additionally, this fixes issues with remote helpers; now they can push
refs whose objects have already been exported, and a few other issues as
well. Update the tests accordingly.
Signed-off-by: Felipe Contreras <felipe.contre...@gmail.com>
---
builtin/fast-export.c | 10 +++++++---
t/t5801-remote-helpers.sh | 20 ++++++++------------
t/t9350-fast-export.sh | 15 +++++++++++++++
3 files changed, 30 insertions(+), 15 deletions(-)
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 2547e6c..77dffd1 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -526,10 +526,14 @@ static void get_tags_and_duplicates(struct
rev_cmdline_info *info,
typename(e->item->type));
continue;
}
- if (commit->util)
- /* more than one name for the same object */
+
+ /*
+ * This ref will not be updated through a commit, lets make
+ * sure it gets properly updated eventually.
+ */
+ if (commit->util || commit->object.flags & SHOWN)
string_list_append(extra_refs, full_name)->util =
commit;
- else
+ if (!commit->util)
commit->util = full_name;
}
}
diff --git a/t/t5801-remote-helpers.sh b/t/t5801-remote-helpers.sh
index ece8fd5..f387027 100755
--- a/t/t5801-remote-helpers.sh
+++ b/t/t5801-remote-helpers.sh
@@ -63,18 +63,6 @@ test_expect_success 'fetch new branch' '
compare_refs server HEAD local FETCH_HEAD
'
-#
-# This is only needed because of a bug not detected by this script. It will be
-# fixed shortly, but for now lets not cause regressions.
-#
-test_expect_success 'bump commit in server' '
- (cd server &&
- git checkout master &&
- echo content >>file &&
- git commit -a -m four) &&
- compare_refs server HEAD server HEAD
-'
-
test_expect_success 'fetch multiple branches' '
(cd local &&
git fetch
@@ -170,4 +158,12 @@ test_expect_success 'push all with existing object' '
compare_refs local dup2 server dup2
'
+test_expect_success 'push ref with existing object' '
+ (cd local &&
+ git branch dup master &&
+ git push origin dup
+ ) &&
+ compare_refs local dup server dup
+'
+
test_done
diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh
index c8e41c1..9320b4f 100755
--- a/t/t9350-fast-export.sh
+++ b/t/t9350-fast-export.sh
@@ -484,4 +484,19 @@ test_expect_success 'avoid uninteresting refs' '
test_cmp expected actual
'
+cat > expected << EOF
+reset refs/heads/master
+from :14
+
+EOF
+
+test_expect_success 'refs are updated even if no commits need to be exported' '
+ > tmp-marks &&
+ git fast-export --import-marks=tmp-marks \
+ --export-marks=tmp-marks master > /dev/null &&
+ git fast-export --import-marks=tmp-marks \
+ --export-marks=tmp-marks master > actual &&
+ test_cmp expected actual
+'
+
test_done
--
1.8.0.1
--
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