diff options
Diffstat (limited to 'git-pull.sh')
| -rwxr-xr-x | git-pull.sh | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/git-pull.sh b/git-pull.sh index 638aabb7b3..f0df41c841 100755 --- a/git-pull.sh +++ b/git-pull.sh @@ -5,7 +5,7 @@ # Fetch one or more remote refs and merge it/them into the current HEAD. USAGE='[-n | --no-stat] [--[no-]commit] [--[no-]squash] [--[no-]ff] [-s strategy]... [<fetch-options>] <repo> <head>...' -LONG_USAGE='Fetch one or more remote refs and merge it/them into the current HEAD.' +LONG_USAGE='Fetch one or more remote refs and integrate it/them with the current HEAD.' SUBDIRECTORY_OK=Yes OPTIONS_SPEC= . git-sh-setup @@ -266,10 +266,17 @@ case "$merge_head" in ;; esac +# Pulling into unborn branch: a shorthand for branching off +# FETCH_HEAD, for lazy typers. if test -z "$orig_head" then - git update-ref -m "initial pull" HEAD $merge_head "$curr_head" && - git read-tree -m -u HEAD || exit 1 + # Two-way merge: we claim the index is based on an empty tree, + # and try to fast-forward to HEAD. This ensures we will not + # lose index/worktree changes that the user already made on + # the unborn branch. + empty_tree=4b825dc642cb6eb9a060e54bf8d69288fbee4904 + git read-tree -m -u $empty_tree $merge_head && + git update-ref -m "initial pull" HEAD $merge_head "$curr_head" exit fi |