diff options
Diffstat (limited to 'git-rebase.sh')
| -rwxr-xr-x | git-rebase.sh | 134 |
1 files changed, 91 insertions, 43 deletions
diff --git a/git-rebase.sh b/git-rebase.sh index 18bc6946cf..cbb0ea90ed 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\". @@ -42,14 +44,17 @@ To restore the original branch and stop rebasing run \"git rebase --abort\". " unset newbase strategy=recursive +strategy_opts= do_merge= dotest="$GIT_DIR"/rebase-merge prec=4 verbose= -diffstat=$(git config --bool rebase.stat) +diffstat= +test "$(git config --bool rebase.stat)" = true && diffstat=t git_am_opt= rebase_root= force_rebase= +allow_rerere_autoupdate= continue_merge () { test -n "$prev_head" || die "prev_head must be defined" @@ -76,16 +81,15 @@ 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 "$cmt" prev_head=`git rev-parse HEAD^0` # save the resulting commit so we can read-tree on it later @@ -108,9 +112,9 @@ call_merge () { export GITHEAD_$cmt GITHEAD_$hd if test -n "$GIT_QUIET" then - export GIT_MERGE_VERBOSITY=1 + GIT_MERGE_VERBOSITY=1 && export GIT_MERGE_VERBOSITY fi - git-merge-$strategy "$cmt^" -- "$hd" "$cmt" + eval 'git-merge-$strategy' $strategy_opts '"$cmt^" -- "$hd" "$cmt"' rv=$? case "$rv" in 0) @@ -118,7 +122,7 @@ call_merge () { return ;; 1) - git rerere + git rerere $allow_rerere_autoupdate die "$RESOLVEMSG" ;; 2) @@ -150,6 +154,11 @@ 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. } @@ -191,24 +200,20 @@ 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 "$1" in --no-verify) OK_TO_SKIP_PRE_REBASE=yes ;; + --verify) + OK_TO_SKIP_PRE_REBASE= + ;; --continue) test -d "$dotest" -o -d "$GIT_DIR"/rebase-apply || die "No rebase in progress?" + git update-index --ignore-submodules --refresh && git diff-files --quiet --ignore-submodules || { echo "You must edit all merge conflicts and then" echo "mark them as resolved using git add" @@ -273,15 +278,16 @@ do die "No rebase in progress?" git rerere clear - if test -d "$dotest" - then - GIT_QUIET=$(cat "$dotest/quiet") - move_to_original_branch - else - dotest="$GIT_DIR"/rebase-apply - GIT_QUIET=$(cat "$dotest/quiet") - move_to_original_branch - fi + + test -d "$dotest" || dotest="$GIT_DIR"/rebase-apply + + head_name="$(cat "$dotest"/head-name)" && + case "$head_name" in + refs/*) + git symbolic-ref HEAD $head_name || + die "Could not move back to $head_name" + ;; + esac git reset --hard $(cat "$dotest/orig-head") rm -r "$dotest" exit @@ -294,6 +300,23 @@ do -M|-m|--m|--me|--mer|--merg|--merge) do_merge=t ;; + -X*|--strategy-option*) + case "$#,$1" in + 1,-X|1,--strategy-option) + usage ;; + *,-X|*,--strategy-option) + newopt="$2" + shift ;; + *,--strategy-option=*) + newopt="$(expr " $1" : ' --strategy-option=\(.*\)')" ;; + *,-X*) + newopt="$(expr " $1" : ' -X\(.*\)')" ;; + 1,*) + usage ;; + esac + strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--$newopt")" + do_merge=t + ;; -s=*|--s=*|--st=*|--str=*|--stra=*|--strat=*|--strate=*|\ --strateg=*|--strategy=*|\ -s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy) @@ -333,6 +356,9 @@ 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 +369,12 @@ 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 +386,13 @@ 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 @@ -381,17 +417,7 @@ else fi fi -# The tree must be really really clean. -if ! git update-index --ignore-submodules --refresh; then - die "cannot rebase: you have unstaged changes" -fi -diff=$(git diff-index --cached --name-status -r --ignore-submodules HEAD --) -case "$diff" in -?*) echo >&2 "cannot rebase: your index contains uncommitted changes" - echo >&2 "$diff" - exit 1 - ;; -esac +require_clean_work_tree "rebase" "Please commit or stash them." if test -z "$rebase_root" then @@ -412,7 +438,27 @@ 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 "$upstream_arg" "$@" @@ -436,6 +482,7 @@ case "$#" in then head_name="detached HEAD" else + echo >&2 "fatal: no such branch: $1" usage fi ;; @@ -462,12 +509,12 @@ orig_head=$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 # Lazily switch to the target branch if needed... - test -z "$switch_to" || git checkout "$switch_to" + test -z "$switch_to" || git checkout "$switch_to" -- say "Current branch $branch_name is up to date." exit 0 else @@ -491,7 +538,7 @@ 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 $onto_name." @@ -509,7 +556,8 @@ fi if test -z "$do_merge" then git format-patch -k --stdout --full-index --ignore-if-in-upstream \ - $root_flag "$revisions" | + --src-prefix=a/ --dst-prefix=b/ \ + --no-renames $root_flag "$revisions" | git am $git_am_opt --rebasing --resolvemsg="$RESOLVEMSG" && move_to_original_branch ret=$? |