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Merge branch 'ml/submodule'

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* ml/submodule:
  git-submodule - allow a relative path as the subproject url
This commit is contained in:
Junio C Hamano 2007-09-29 16:43:10 -07:00
commit 2a350d7a68
2 changed files with 50 additions and 6 deletions
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3
Documentation/git-submodule.txt
View File

@ -21,6 +21,9 @@ add::
repository is cloned at the specified path, added to the
changeset and registered in .gitmodules. If no path is
specified, the path is deduced from the repository specification.
If the repository url begins with ./ or ../, it is stored as
given but resolved as a relative path from the main project's
url when cloning.
status::
Show the status of the submodules. This will print the SHA-1 of the

53
git-submodule.sh
View File

@ -39,6 +39,32 @@ get_repo_base() {
) 2>/dev/null
}
# Resolve relative url by appending to parent's url
resolve_relative_url ()
{
branch="$(git symbolic-ref HEAD 2>/dev/null)"
remote="$(git config branch.${branch#refs/heads/}.remote)"
remote="${remote:-origin}"
remoteurl="$(git config remote.$remote.url)" ||
die "remote ($remote) does not have a url in .git/config"
url="$1"
while test -n "$url"
do
case "$url" in
../*)
url="${url#../}"
remoteurl="${remoteurl%/*}"
;;
./*)
url="${url#./}"
;;
*)
break;;
esac
done
echo "$remoteurl/$url"
}
#
# Map submodule path to submodule name
#
@ -103,11 +129,19 @@ module_add()
usage
fi
# Turn the source into an absolute path if
# it is local
if base=$(get_repo_base "$repo"); then
repo="$base"
fi
case "$repo" in
./*|../*)
# dereference source url relative to parent's url
realrepo="$(resolve_relative_url $repo)" ;;
*)
# Turn the source into an absolute path if
# it is local
if base=$(get_repo_base "$repo"); then
repo="$base"
realrepo=$repo
fi
;;
esac
# Guess path from repo if not specified or strip trailing slashes
if test -z "$path"; then
@ -122,7 +156,7 @@ module_add()
git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
die "'$path' already exists in the index"
module_clone "$path" "$repo" || exit
module_clone "$path" "$realrepo" || exit
(unset GIT_DIR && cd "$path" && git checkout -q ${branch:+-b "$branch" "origin/$branch"}) ||
die "Unable to checkout submodule '$path'"
git add "$path" ||
@ -153,6 +187,13 @@ modules_init()
test -z "$url" &&
die "No url found for submodule path '$path' in .gitmodules"
# Possibly a url relative to parent
case "$url" in
./*|../*)
url="$(resolve_relative_url "$url")"
;;
esac
git config submodule."$name".url "$url" ||
die "Failed to register url for submodule path '$path'"