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-rwxr-xr-xgit-submodule.sh44
1 files changed, 28 insertions, 16 deletions
diff --git a/git-submodule.sh b/git-submodule.sh
index 6ed5a6c..486d3b2 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -25,6 +25,33 @@ say()
fi
}
+
+#
+# Clone a submodule
+#
+module_clone()
+{
+ path=$1
+ url=$2
+
+ # If there already is a directory at the submodule path,
+ # expect it to be empty (since that is the default checkout
+ # action) and try to remove it.
+ # Note: if $path is a symlink to a directory the test will
+ # succeed but the rmdir will fail. We might want to fix this.
+ if test -d "$path"
+ then
+ rmdir "$path" 2>/dev/null ||
+ die "Directory '$path' exist, but is neither empty nor a git repository"
+ fi
+
+ test -e "$path" &&
+ die "A file already exist at path '$path'"
+
+ git-clone -n "$url" "$path" ||
+ die "Clone of submodule '$path' failed"
+}
+
#
# Run clone + checkout on missing submodules
#
@@ -40,20 +67,6 @@ modules_init()
# repository
test -d "$path"/.git && continue
- # If there already is a directory at the submodule path,
- # expect it to be empty (since that is the default checkout
- # action) and try to remove it.
- # Note: if $path is a symlink to a directory the test will
- # succeed but the rmdir will fail. We might want to fix this.
- if test -d "$path"
- then
- rmdir "$path" 2>/dev/null ||
- die "Directory '$path' exist, but is neither empty nor a git repository"
- fi
-
- test -e "$path" &&
- die "A file already exist at path '$path'"
-
url=$(GIT_CONFIG=.gitmodules git-config module."$path".url)
test -z "$url" &&
die "No url found for submodule '$path' in .gitmodules"
@@ -69,8 +82,7 @@ modules_init()
# logical modulename (if present) as key. But this would need
# another fallback mechanism if the module wasn't named.
- git-clone -n "$url" "$path" ||
- die "Clone of submodule '$path' failed"
+ module_clone "$path" "$url" || exit
(unset GIT_DIR && cd "$path" && git-checkout -q "$sha1") ||
die "Checkout of submodule '$path' failed"