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-rwxr-xr-xgit-submodule.sh7
-rwxr-xr-xt/t7400-submodule-basic.sh11
2 files changed, 17 insertions, 1 deletions
diff --git a/git-submodule.sh b/git-submodule.sh
index b5f2bee..16b49f1 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -230,6 +230,13 @@ cmd_add()
die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
fi
+ if test -d "$sm_path" &&
+ test -z $(git -C "$sm_path" rev-parse --show-cdup 2>/dev/null)
+ then
+ git -C "$sm_path" rev-parse --verify -q HEAD >/dev/null ||
+ die "$(eval_gettext "'\$sm_path' does not have a commit checked out")"
+ fi
+
if test -z "$force" &&
! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
then
diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index aba2d4d..a208cb2 100755
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -46,6 +46,15 @@ test_expect_success 'submodule update aborts on missing gitmodules url' '
test_must_fail git submodule init
'
+test_expect_success 'add aborts on repository with no commits' '
+ cat >expect <<-\EOF &&
+ '"'repo-no-commits'"' does not have a commit checked out
+ EOF
+ git init repo-no-commits &&
+ test_must_fail git submodule add ../a ./repo-no-commits 2>actual &&
+ test_i18ncmp expect actual
+'
+
test_expect_success 'setup - repository in init subdirectory' '
mkdir init &&
(
@@ -809,7 +818,7 @@ test_expect_success '../bar/a/b/c works with relative local path - ../foo/bar.gi
cp pristine-.git-config .git/config &&
cp pristine-.gitmodules .gitmodules &&
mkdir -p a/b/c &&
- (cd a/b/c && git init) &&
+ (cd a/b/c && git init && test_commit msg) &&
git config remote.origin.url ../foo/bar.git &&
git submodule add ../bar/a/b/c ./a/b/c &&
git submodule init &&