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-rwxr-xr-xcontrib/examples/git-checkout.sh302
1 files changed, 0 insertions, 302 deletions
diff --git a/contrib/examples/git-checkout.sh b/contrib/examples/git-checkout.sh
deleted file mode 100755
index 683cae7c3f..0000000000
--- a/contrib/examples/git-checkout.sh
+++ /dev/null
@@ -1,302 +0,0 @@
-#!/bin/sh
-
-OPTIONS_KEEPDASHDASH=t
-OPTIONS_SPEC="\
-git-checkout [options] [<branch>] [<paths>...]
---
-b= create a new branch started at <branch>
-l create the new branch's reflog
-track arrange that the new branch tracks the remote branch
-f proceed even if the index or working tree is not HEAD
-m merge local modifications into the new branch
-q,quiet be quiet
-"
-SUBDIRECTORY_OK=Sometimes
-. git-sh-setup
-require_work_tree
-
-old_name=HEAD
-old=$(git rev-parse --verify $old_name 2>/dev/null)
-oldbranch=$(git symbolic-ref $old_name 2>/dev/null)
-new=
-new_name=
-force=
-branch=
-track=
-newbranch=
-newbranch_log=
-merge=
-quiet=
-v=-v
-LF='
-'
-
-while test $# != 0; do
- case "$1" in
- -b)
- shift
- newbranch="$1"
- [ -z "$newbranch" ] &&
- die "git checkout: -b needs a branch name"
- git show-ref --verify --quiet -- "refs/heads/$newbranch" &&
- die "git checkout: branch $newbranch already exists"
- git check-ref-format "heads/$newbranch" ||
- die "git checkout: we do not like '$newbranch' as a branch name."
- ;;
- -l)
- newbranch_log=-l
- ;;
- --track|--no-track)
- track="$1"
- ;;
- -f)
- force=1
- ;;
- -m)
- merge=1
- ;;
- -q|--quiet)
- quiet=1
- v=
- ;;
- --)
- shift
- break
- ;;
- *)
- usage
- ;;
- esac
- shift
-done
-
-arg="$1"
-rev=$(git rev-parse --verify "$arg" 2>/dev/null)
-if rev=$(git rev-parse --verify "$rev^0" 2>/dev/null)
-then
- [ -z "$rev" ] && die "unknown flag $arg"
- new_name="$arg"
- if git show-ref --verify --quiet -- "refs/heads/$arg"
- then
- rev=$(git rev-parse --verify "refs/heads/$arg^0")
- branch="$arg"
- fi
- new="$rev"
- shift
-elif rev=$(git rev-parse --verify "$rev^{tree}" 2>/dev/null)
-then
- # checking out selected paths from a tree-ish.
- new="$rev"
- new_name="$rev^{tree}"
- shift
-fi
-[ "$1" = "--" ] && shift
-
-case "$newbranch,$track" in
-,--*)
- die "git checkout: --track and --no-track require -b"
-esac
-
-case "$force$merge" in
-11)
- die "git checkout: -f and -m are incompatible"
-esac
-
-# The behaviour of the command with and without explicit path
-# parameters is quite different.
-#
-# Without paths, we are checking out everything in the work tree,
-# possibly switching branches. This is the traditional behaviour.
-#
-# With paths, we are _never_ switching branch, but checking out
-# the named paths from either index (when no rev is given),
-# or the named tree-ish (when rev is given).
-
-if test "$#" -ge 1
-then
- hint=
- if test "$#" -eq 1
- then
- hint="
-Did you intend to checkout '$@' which can not be resolved as commit?"
- fi
- if test '' != "$newbranch$force$merge"
- then
- die "git checkout: updating paths is incompatible with switching branches/forcing$hint"
- fi
- if test '' != "$new"
- then
- # from a specific tree-ish; note that this is for
- # rescuing paths and is never meant to remove what
- # is not in the named tree-ish.
- git ls-tree --full-name -r "$new" "$@" |
- git update-index --index-info || exit $?
- fi
-
- # Make sure the request is about existing paths.
- git ls-files --full-name --error-unmatch -- "$@" >/dev/null || exit
- git ls-files --full-name -- "$@" |
- (cd_to_toplevel && git checkout-index -f -u --stdin)
-
- # Run a post-checkout hook -- the HEAD does not change so the
- # current HEAD is passed in for both args
- if test -x "$GIT_DIR"/hooks/post-checkout; then
- "$GIT_DIR"/hooks/post-checkout $old $old 0
- fi
-
- exit $?
-else
- # Make sure we did not fall back on $arg^{tree} codepath
- # since we are not checking out from an arbitrary tree-ish,
- # but switching branches.
- if test '' != "$new"
- then
- git rev-parse --verify "$new^{commit}" >/dev/null 2>&1 ||
- die "Cannot switch branch to a non-commit."
- fi
-fi
-
-# We are switching branches and checking out trees, so
-# we *NEED* to be at the toplevel.
-cd_to_toplevel
-
-[ -z "$new" ] && new=$old && new_name="$old_name"
-
-# If we don't have an existing branch that we're switching to,
-# and we don't have a new branch name for the target we
-# are switching to, then we are detaching our HEAD from any
-# branch. However, if "git checkout HEAD" detaches the HEAD
-# from the current branch, even though that may be logically
-# correct, it feels somewhat funny. More importantly, we do not
-# want "git checkout" or "git checkout -f" to detach HEAD.
-
-detached=
-detach_warn=
-
-describe_detached_head () {
- test -n "$quiet" || {
- printf >&2 "$1 "
- GIT_PAGER= git log >&2 -1 --pretty=oneline --abbrev-commit "$2" --
- }
-}
-
-if test -z "$branch$newbranch" && test "$new_name" != "$old_name"
-then
- detached="$new"
- if test -n "$oldbranch" && test -z "$quiet"
- then
- detach_warn="Note: moving to \"$new_name\" which isn't a local branch
-If you want to create a new branch from this checkout, you may do so
-(now or later) by using -b with the checkout command again. Example:
- git checkout -b <new_branch_name>"
- fi
-elif test -z "$oldbranch" && test "$new" != "$old"
-then
- describe_detached_head 'Previous HEAD position was' "$old"
-fi
-
-if [ "X$old" = X ]
-then
- if test -z "$quiet"
- then
- echo >&2 "warning: You appear to be on a branch yet to be born."
- echo >&2 "warning: Forcing checkout of $new_name."
- fi
- force=1
-fi
-
-if [ "$force" ]
-then
- git read-tree $v --reset -u $new
-else
- git update-index --refresh >/dev/null
- git read-tree $v -m -u --exclude-per-directory=.gitignore $old $new || (
- case "$merge,$v" in
- ,*)
- exit 1 ;;
- 1,)
- ;; # quiet
- *)
- echo >&2 "Falling back to 3-way merge..." ;;
- esac
-
- # Match the index to the working tree, and do a three-way.
- git diff-files --name-only | git update-index --remove --stdin &&
- work=$(git write-tree) &&
- git read-tree $v --reset -u $new || exit
-
- eval GITHEAD_$new='${new_name:-${branch:-$new}}' &&
- eval GITHEAD_$work=local &&
- export GITHEAD_$new GITHEAD_$work &&
- git merge-recursive $old -- $new $work
-
- # Do not register the cleanly merged paths in the index yet.
- # this is not a real merge before committing, but just carrying
- # the working tree changes along.
- unmerged=$(git ls-files -u)
- git read-tree $v --reset $new
- case "$unmerged" in
- '') ;;
- *)
- (
- z40=0000000000000000000000000000000000000000
- echo "$unmerged" |
- sed -e 's/^[0-7]* [0-9a-f]* /'"0 $z40 /"
- echo "$unmerged"
- ) | git update-index --index-info
- ;;
- esac
- exit 0
- )
- saved_err=$?
- if test "$saved_err" = 0 && test -z "$quiet"
- then
- git diff-index --name-status "$new"
- fi
- (exit $saved_err)
-fi
-
-#
-# Switch the HEAD pointer to the new branch if we
-# checked out a branch head, and remove any potential
-# old MERGE_HEAD's (subsequent commits will clearly not
-# be based on them, since we re-set the index)
-#
-if [ "$?" -eq 0 ]; then
- if [ "$newbranch" ]; then
- git branch $track $newbranch_log "$newbranch" "$new_name" || exit
- branch="$newbranch"
- fi
- if test -n "$branch"
- then
- old_branch_name=$(expr "z$oldbranch" : 'zrefs/heads/\(.*\)')
- GIT_DIR="$GIT_DIR" git symbolic-ref -m "checkout: moving from ${old_branch_name:-$old} to $branch" HEAD "refs/heads/$branch"
- if test -n "$quiet"
- then
- true # nothing
- elif test "refs/heads/$branch" = "$oldbranch"
- then
- echo >&2 "Already on branch \"$branch\""
- else
- echo >&2 "Switched to${newbranch:+ a new} branch \"$branch\""
- fi
- elif test -n "$detached"
- then
- old_branch_name=$(expr "z$oldbranch" : 'zrefs/heads/\(.*\)')
- git update-ref --no-deref -m "checkout: moving from ${old_branch_name:-$old} to $arg" HEAD "$detached" ||
- die "Cannot detach HEAD"
- if test -n "$detach_warn"
- then
- echo >&2 "$detach_warn"
- fi
- describe_detached_head 'HEAD is now at' HEAD
- fi
- rm -f "$GIT_DIR/MERGE_HEAD"
-else
- exit 1
-fi
-
-# Run a post-checkout hook
-if test -x "$GIT_DIR"/hooks/post-checkout; then
- "$GIT_DIR"/hooks/post-checkout $old $new 1
-fi