diff options
Diffstat (limited to 'git-rebase.sh')
| -rwxr-xr-x | git-rebase.sh | 74 |
1 files changed, 54 insertions, 20 deletions
diff --git a/git-rebase.sh b/git-rebase.sh index 18bc6946cf..ab4afa7dee 100755 --- a/git-rebase.sh +++ b/git-rebase.sh @@ -3,7 +3,7 @@ # Copyright (c) 2005 Junio C Hamano. # -USAGE='[--interactive | -i] [-v] [--force-rebase | -f] [--onto <newbase>] [<upstream>|--root] [<branch>] [--quiet | -q]' +USAGE='[--interactive | -i] [-v] [--force-rebase | -f] [--no-ff] [--onto <newbase>] (<upstream>|--root) [<branch>] [--quiet | -q]' LONG_USAGE='git-rebase replaces <branch> with a new branch of the same name. When the --onto option is provided the new branch starts out with a HEAD equal to <newbase>, otherwise it is equal to <upstream> @@ -34,6 +34,8 @@ set_reflog_action rebase require_work_tree cd_to_toplevel +LF=' +' OK_TO_SKIP_PRE_REBASE= RESOLVEMSG=" When you have resolved this problem run \"git rebase --continue\". @@ -50,6 +52,7 @@ diffstat=$(git config --bool rebase.stat) git_am_opt= rebase_root= force_rebase= +allow_rerere_autoupdate= continue_merge () { test -n "$prev_head" || die "prev_head must be defined" @@ -76,16 +79,15 @@ continue_merge () { then printf "Committed: %0${prec}d " $msgnum fi + echo "$cmt $(git rev-parse HEAD^0)" >> "$dotest/rewritten" else if test -z "$GIT_QUIET" then printf "Already applied: %0${prec}d " $msgnum fi fi - if test -z "$GIT_QUIET" - then - git rev-list --pretty=oneline -1 "$cmt" | sed -e 's/^[^ ]* //' - fi + test -z "$GIT_QUIET" && + GIT_PAGER='' git log --format=%s -1 "$cmt" prev_head=`git rev-parse HEAD^0` # save the resulting commit so we can read-tree on it later @@ -118,7 +120,7 @@ call_merge () { return ;; 1) - git rerere + git rerere $allow_rerere_autoupdate die "$RESOLVEMSG" ;; 2) @@ -150,6 +152,11 @@ move_to_original_branch () { finish_rb_merge () { move_to_original_branch + git notes copy --for-rewrite=rebase < "$dotest"/rewritten + if test -x "$GIT_DIR"/hooks/post-rewrite && + test -s "$dotest"/rewritten; then + "$GIT_DIR"/hooks/post-rewrite rebase < "$dotest"/rewritten + fi rm -r "$dotest" say All done. } @@ -191,14 +198,6 @@ test -f "$GIT_DIR"/rebase-apply/applying && is_interactive "$@" && exec git-rebase--interactive "$@" -if test $# -eq 0 -then - test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply || usage - test -d "$dotest" -o -f "$GIT_DIR"/rebase-apply/rebasing && - die 'A rebase is in progress, try --continue, --skip or --abort.' - die "No arguments given and $GIT_DIR/rebase-apply already exists." -fi - while test $# != 0 do case "$1" in @@ -333,6 +332,9 @@ do ;; esac ;; + --ignore-whitespace) + git_am_opt="$git_am_opt $1" + ;; --committer-date-is-author-date|--ignore-date) git_am_opt="$git_am_opt $1" force_rebase=t @@ -343,9 +345,12 @@ do --root) rebase_root=t ;; - -f|--f|--fo|--for|--forc|force|--force-r|--force-re|--force-reb|--force-reba|--force-rebas|--force-rebase) + -f|--f|--fo|--for|--forc|force|--force-r|--force-re|--force-reb|--force-reba|--force-rebas|--force-rebase|--no-ff) force_rebase=t ;; + --rerere-autoupdate|--no-rerere-autoupdate) + allow_rerere_autoupdate="$1" + ;; -*) usage ;; @@ -357,6 +362,13 @@ do done test $# -gt 2 && usage +if test $# -eq 0 && test -z "$rebase_root" +then + test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply || usage + test -d "$dotest" -o -f "$GIT_DIR"/rebase-apply/rebasing && + die 'A rebase is in progress, try --continue, --skip or --abort.' +fi + # Make sure we do not have $GIT_DIR/rebase-apply if test -z "$do_merge" then @@ -382,8 +394,10 @@ else fi # The tree must be really really clean. -if ! git update-index --ignore-submodules --refresh; then - die "cannot rebase: you have unstaged changes" +if ! git update-index --ignore-submodules --refresh > /dev/null; then + echo >&2 "cannot rebase: you have unstaged changes" + git diff-files --name-status -r --ignore-submodules -- >&2 + exit 1 fi diff=$(git diff-index --cached --name-status -r --ignore-submodules HEAD --) case "$diff" in @@ -412,7 +426,27 @@ fi # Make sure the branch to rebase onto is valid. onto_name=${newbase-"$upstream_name"} -onto=$(git rev-parse --verify "${onto_name}^0") || exit +case "$onto_name" in +*...*) + if left=${onto_name%...*} right=${onto_name#*...} && + onto=$(git merge-base --all ${left:-HEAD} ${right:-HEAD}) + then + case "$onto" in + ?*"$LF"?*) + die "$onto_name: there are more than one merge bases" + ;; + '') + die "$onto_name: there is no merge base" + ;; + esac + else + die "$onto_name: there is no merge base" + fi + ;; +*) + onto=$(git rev-parse --verify "${onto_name}^0") || exit + ;; +esac # If a hook exists, give it a chance to interrupt run_pre_rebase_hook "$upstream_arg" "$@" @@ -462,7 +496,7 @@ orig_head=$branch mb=$(git merge-base "$onto" "$branch") if test "$upstream" = "$onto" && test "$mb" = "$onto" && # linear history? - ! (git rev-list --parents "$onto".."$branch" | grep " .* ") > /dev/null + ! (git rev-list --parents "$onto".."$branch" | sane_grep " .* ") > /dev/null then if test -z "$force_rebase" then @@ -491,7 +525,7 @@ then fi # If the $onto is a proper descendant of the tip of the branch, then -# we just fast forwarded. +# we just fast-forwarded. if test "$mb" = "$branch" then say "Fast-forwarded $branch_name to $onto_name." |