diff options
| -rw-r--r-- | Documentation/git-checkout.txt | 7 | ||||
| -rwxr-xr-x | git-checkout.sh | 19 |
2 files changed, 21 insertions, 5 deletions
diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt index 095128906..064394385 100644 --- a/Documentation/git-checkout.txt +++ b/Documentation/git-checkout.txt @@ -8,7 +8,7 @@ git-checkout - Checkout and switch to a branch SYNOPSIS -------- [verse] -'git-checkout' [-f] [-b <new_branch>] [-m] [<branch>] +'git-checkout' [-f] [-b <new_branch> [-l]] [-m] [<branch>] 'git-checkout' [-m] [<branch>] <paths>... DESCRIPTION @@ -37,6 +37,11 @@ OPTIONS -b:: Create a new branch and start it at <branch>. +-l:: + Create the new branch's ref log. This activates recording of + all changes to made the branch ref, enabling use of date + based sha1 expressions such as "<branchname>@{yesterday}". + -m:: If you have local modifications to one or more files that are different between the current branch and the branch to diff --git a/git-checkout.sh b/git-checkout.sh index a11c939c3..360aabf9e 100755 --- a/git-checkout.sh +++ b/git-checkout.sh @@ -5,10 +5,13 @@ SUBDIRECTORY_OK=Sometimes . git-sh-setup old=$(git-rev-parse HEAD) +old_name=HEAD new= +new_name= force= branch= newbranch= +newbranch_log= merge= while [ "$#" != "0" ]; do arg="$1" @@ -24,6 +27,9 @@ while [ "$#" != "0" ]; do git-check-ref-format "heads/$newbranch" || die "git checkout: we do not like '$newbranch' as a branch name." ;; + "-l") + newbranch_log=1 + ;; "-f") force=1 ;; @@ -44,6 +50,7 @@ while [ "$#" != "0" ]; do exit 1 fi new="$rev" + new_name="$arg^0" if [ -f "$GIT_DIR/refs/heads/$arg" ]; then branch="$arg" fi @@ -51,9 +58,11 @@ while [ "$#" != "0" ]; do then # checking out selected paths from a tree-ish. new="$rev" + new_name="$arg^{tree}" branch= else new= + new_name= branch= set x "$arg" "$@" shift @@ -114,7 +123,7 @@ then cd "$cdup" fi -[ -z "$new" ] && new=$old +[ -z "$new" ] && new=$old && new_name="$old_name" # If we don't have an old branch that we're switching to, # and we don't have a new branch name for the target we @@ -187,9 +196,11 @@ fi # if [ "$?" -eq 0 ]; then if [ "$newbranch" ]; then - leading=`expr "refs/heads/$newbranch" : '\(.*\)/'` && - mkdir -p "$GIT_DIR/$leading" && - echo $new >"$GIT_DIR/refs/heads/$newbranch" || exit + if [ "$newbranch_log" ]; then + mkdir -p $(dirname "$GIT_DIR/logs/refs/heads/$branchname") + touch "$GIT_DIR/logs/refs/heads/$branchname" + fi + git-update-ref -m "checkout: Created from $new_name" "refs/heads/$newbranch" $new || exit branch="$newbranch" fi [ "$branch" ] && |