* [PATCH] subtree: die if failed to find existing splits
@ 2018-02-14 4:38 Hironao OTSUBO
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From: Hironao OTSUBO @ 2018-02-14 4:38 UTC (permalink / raw)
To: git; +Cc: greened, Hironao OTSUBO
When using git-subtree with --squash option, you may not have commits
indicated by git-subtree-split: at hand.
find_existing_splits dies on such situation, but the caller cmd_split
ignored it and produce unwanted output, i.e. a history that does not
contain commits from subproject. This patch fixes it.
Signed-off-by: Hironao OTSUBO <motemen@gmail.com>
---
Notes:
I know there was a discussion [1] about moving git-subtree development to
GitHub, but don't know where the actual repository is, so I am sending this
patch to the mailing list.
[1]: https://public-inbox.org/git/87mv7kf369.fsf@waller.obbligato.org/
contrib/subtree/git-subtree.sh | 2 +-
contrib/subtree/t/t7900-subtree.sh | 18 ++++++++++++++++++
2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
index dec085a23..81ad6e716 100755
--- a/contrib/subtree/git-subtree.sh
+++ b/contrib/subtree/git-subtree.sh
@@ -693,7 +693,7 @@ cmd_split () {
then
unrevs=
else
- unrevs="$(find_existing_splits "$dir" "$revs")"
+ unrevs="$(find_existing_splits "$dir" "$revs")" || die "could not find existing splits"
fi
# We can't restrict rev-list to only $dir here, because some of our
diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh
index d05c613c9..fb3d73acf 100755
--- a/contrib/subtree/t/t7900-subtree.sh
+++ b/contrib/subtree/t/t7900-subtree.sh
@@ -493,6 +493,24 @@ test_expect_success 'split "sub dir"/ with --branch for an incompatible branch'
)
'
+next_test
+test_expect_success 'split fails without squashed commits existing' '
+ subtree_test_create_repo "$subtree_test_count" &&
+ subtree_test_create_repo "$subtree_test_count/sub proj" &&
+ test_create_commit "$subtree_test_count" main1 &&
+ test_create_commit "$subtree_test_count/sub proj" sub1 &&
+ commit1=$( cd "$subtree_test_count/sub proj" && git rev-parse HEAD ) &&
+ test_create_commit "$subtree_test_count/sub proj" sub2 &&
+ (
+ cd "$subtree_test_count" &&
+ git fetch ./"sub proj" master &&
+ git subtree add --prefix="sub dir" --squash FETCH_HEAD &&
+ git gc --prune=all &&
+ ! git rev-parse -q --verify "$commit1^{commit}" &&
+ test_must_fail git subtree split --prefix="sub dir"
+ )
+'
+
#
# Validity checking
#
--
2.16.1
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