diff options
Diffstat (limited to 'git-rebase.sh')
-rwxr-xr-x | git-rebase.sh | 226 |
1 files changed, 183 insertions, 43 deletions
diff --git a/git-rebase.sh b/git-rebase.sh index 55da9db818..7973447645 100755 --- a/git-rebase.sh +++ b/git-rebase.sh @@ -9,29 +9,32 @@ OPTIONS_STUCKLONG=t OPTIONS_SPEC="\ git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] [<upstream>] [<branch>] git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] --root [<branch>] -git-rebase --continue | --abort | --skip | --edit-todo +git rebase --continue | --abort | --skip | --edit-todo -- Available options are v,verbose! display a diffstat of what changed upstream q,quiet! be quiet. implies --no-stat -autostash! automatically stash/stash pop before and after +autostash automatically stash/stash pop before and after fork-point use 'merge-base --fork-point' to refine upstream onto=! rebase onto given branch instead of upstream +r,rebase-merges? try to rebase merges instead of skipping them p,preserve-merges! try to recreate merges instead of ignoring them s,strategy=! use the given merge strategy +X,strategy-option=! pass the argument through to the merge strategy no-ff! cherry-pick all commits, even if unchanged +f,force-rebase! cherry-pick all commits, even if unchanged m,merge! use merging strategies to rebase i,interactive! let the user edit the list of commits to rebase x,exec=! add exec lines after each commit of the editable list k,keep-empty preserve empty commits during rebase -f,force-rebase! force rebase even if branch is up to date -X,strategy-option=! pass the argument through to the merge strategy +allow-empty-message allow rebasing commits with empty messages stat! display a diffstat of what changed upstream n,no-stat! do not show diffstat of what changed upstream verify allow pre-rebase hook to run rerere-autoupdate allow rerere to update index with resolved conflicts root! rebase all reachable commits up to the root(s) autosquash move commits that begin with squash!/fixup! under -i +signoff add a Signed-off-by: line to each commit committer-date-is-author-date! passed to 'git am' ignore-date! passed to 'git am' whitespace=! passed to 'git apply' @@ -43,9 +46,10 @@ continue! continue abort! abort and check out the original branch skip! skip current patch and continue edit-todo! edit the todo list during an interactive rebase +quit! abort but keep HEAD where it is +show-current-patch! show the patch file being applied or merged " . git-sh-setup -. git-sh-i18n set_reflog_action rebase require_work_tree_exists cd_to_toplevel @@ -54,10 +58,12 @@ LF=' ' ok_to_skip_pre_rebase= resolvemsg=" -$(gettext 'When you have resolved this problem, run "git rebase --continue". -If you prefer to skip this patch, run "git rebase --skip" instead. -To check out the original branch and stop rebasing, run "git rebase --abort".') +$(gettext 'Resolve all conflicts manually, mark them as resolved with +"git add/rm <conflicted_files>", then run "git rebase --continue". +You can instead skip this commit: run "git rebase --skip". +To abort and get back to the state before "git rebase", run "git rebase --abort".') " +squash_onto= unset onto unset restrict_revision cmd= @@ -72,6 +78,7 @@ test "$(git config --bool rebase.stat)" = true && diffstat=t autostash="$(git config --bool rebase.autostash || echo false)" fork_point=auto git_am_opt= +git_format_patch_opt= rebase_root= force_rebase= allow_rerere_autoupdate= @@ -83,11 +90,18 @@ type= state_dir= # One of {'', continue, skip, abort}, as parsed from command line action= +rebase_merges= +rebase_cousins= preserve_merges= autosquash= keep_empty= +allow_empty_message=--allow-empty-message +signoff= test "$(git config --bool rebase.autosquash)" = "true" && autosquash=t -gpg_sign_opt= +case "$(git config --bool commit.gpgsign)" in +true) gpg_sign_opt=-S ;; +*) gpg_sign_opt= ;; +esac read_basic_state () { test -f "$state_dir/head-name" && @@ -112,6 +126,10 @@ read_basic_state () { allow_rerere_autoupdate="$(cat "$state_dir"/allow_rerere_autoupdate)" test -f "$state_dir"/gpg_sign_opt && gpg_sign_opt="$(cat "$state_dir"/gpg_sign_opt)" + test -f "$state_dir"/signoff && { + signoff="$(cat "$state_dir"/signoff)" + force_rebase=t + } } write_basic_state () { @@ -126,6 +144,7 @@ write_basic_state () { test -n "$allow_rerere_autoupdate" && echo "$allow_rerere_autoupdate" > \ "$state_dir"/allow_rerere_autoupdate test -n "$gpg_sign_opt" && echo "$gpg_sign_opt" > "$state_dir"/gpg_sign_opt + test -n "$signoff" && echo "$signoff" >"$state_dir"/signoff } output () { @@ -151,7 +170,7 @@ move_to_original_branch () { git symbolic-ref \ -m "rebase finished: returning to $head_name" \ HEAD $head_name || - die "$(gettext "Could not move back to $head_name")" + die "$(eval_gettext "Could not move back to \$head_name")" ;; esac } @@ -160,23 +179,24 @@ apply_autostash () { if test -f "$state_dir/autostash" then stash_sha1=$(cat "$state_dir/autostash") - if git stash apply $stash_sha1 2>&1 >/dev/null + if git stash apply $stash_sha1 >/dev/null 2>&1 then - echo "$(gettext 'Applied autostash.')" + echo "$(gettext 'Applied autostash.')" >&2 else git stash store -m "autostash" -q $stash_sha1 || die "$(eval_gettext "Cannot store \$stash_sha1")" gettext 'Applying autostash resulted in conflicts. Your changes are safe in the stash. You can run "git stash pop" or "git stash drop" at any time. -' +' >&2 fi fi } finish_rebase () { + rm -f "$(git rev-parse --git-path REBASE_HEAD)" apply_autostash && - git gc --auto && + { git gc --auto || true; } && rm -rf "$state_dir" } @@ -187,6 +207,14 @@ run_specific_rebase () { autosquash= fi . git-rebase--$type + + if test -z "$preserve_merges" + then + git_rebase__$type + else + git_rebase__preserve_merges + fi + ret=$? if test $ret -eq 0 then @@ -202,15 +230,15 @@ run_specific_rebase () { run_pre_rebase_hook () { if test -z "$ok_to_skip_pre_rebase" && - test -x "$GIT_DIR/hooks/pre-rebase" + test -x "$(git rev-parse --git-path hooks/pre-rebase)" then - "$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || + "$(git rev-parse --git-path hooks/pre-rebase)" ${1+"$@"} || die "$(gettext "The pre-rebase hook refused to rebase.")" fi } test -f "$apply_dir"/applying && - die "$(gettext "It looks like git-am is in progress. Cannot rebase.")" + die "$(gettext "It looks like 'git am' is in progress. Cannot rebase.")" if test -d "$apply_dir" then @@ -218,7 +246,12 @@ then state_dir="$apply_dir" elif test -d "$merge_dir" then - if test -f "$merge_dir"/interactive + if test -d "$merge_dir"/rewritten + then + type=preserve-merges + interactive_rebase=explicit + preserve_merges=t + elif test -f "$merge_dir"/interactive then type=interactive interactive_rebase=explicit @@ -239,7 +272,7 @@ do --verify) ok_to_skip_pre_rebase= ;; - --continue|--skip|--abort|--edit-todo) + --continue|--skip|--abort|--quit|--edit-todo|--show-current-patch) test $total_argc -eq 2 || usage action=${1##--} ;; @@ -248,6 +281,7 @@ do ;; --exec=*) cmd="${cmd}exec ${1#--exec=}${LF}" + test -z "$interactive_rebase" && interactive_rebase=implied ;; --interactive) interactive_rebase=explicit @@ -255,6 +289,25 @@ do --keep-empty) keep_empty=yes ;; + --allow-empty-message) + allow_empty_message=--allow-empty-message + ;; + --no-keep-empty) + keep_empty= + ;; + --rebase-merges) + rebase_merges=t + test -z "$interactive_rebase" && interactive_rebase=implied + ;; + --rebase-merges=*) + rebase_merges=t + case "${1#*=}" in + rebase-cousins) rebase_cousins=t;; + no-rebase-cousins) rebase_cousins=;; + *) die "Unknown mode: $1";; + esac + test -z "$interactive_rebase" && interactive_rebase=implied + ;; --preserve-merges) preserve_merges=t test -z "$interactive_rebase" && interactive_rebase=implied @@ -275,7 +328,7 @@ do do_merge=t ;; --strategy-option=*) - strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--${1#--strategy-option=}")" + strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--${1#--strategy-option=}" | sed -e s/^.//)" do_merge=t test -z "$strategy" && strategy=recursive ;; @@ -292,6 +345,9 @@ do --autostash) autostash=true ;; + --no-autostash) + autostash=false + ;; --verbose) verbose=t diffstat=t @@ -314,6 +370,12 @@ do --ignore-whitespace) git_am_opt="$git_am_opt $1" ;; + --signoff) + signoff=--signoff + ;; + --no-signoff) + signoff= + ;; --committer-date-is-author-date|--ignore-date) git_am_opt="$git_am_opt $1" force_rebase=t @@ -340,29 +402,26 @@ do shift break ;; + *) + usage + ;; esac shift done test $# -gt 2 && usage -if test -n "$cmd" && - test "$interactive_rebase" != explicit -then - die "$(gettext "The --exec option must be used with the --interactive option")" -fi - if test -n "$action" then test -z "$in_progress" && die "$(gettext "No rebase in progress?")" # Only interactive rebase uses detailed reflog messages - if test "$type" = interactive && test "$GIT_REFLOG_ACTION" = rebase + if test -n "$interactive_rebase" && test "$GIT_REFLOG_ACTION" = rebase then GIT_REFLOG_ACTION="rebase -i ($action)" export GIT_REFLOG_ACTION fi fi -if test "$action" = "edit-todo" && test "$type" != "interactive" +if test "$action" = "edit-todo" && test -z "$interactive_rebase" then die "$(gettext "The --edit-todo action can only be used during interactive rebase.")" fi @@ -399,9 +458,16 @@ abort) finish_rebase exit ;; +quit) + exec rm -rf "$state_dir" + ;; edit-todo) run_specific_rebase ;; +show-current-patch) + run_specific_rebase + die "BUG: run_specific_rebase is not supposed to return here" + ;; esac # Make sure no rebase is in progress @@ -426,9 +492,20 @@ then test -z "$interactive_rebase" && interactive_rebase=implied fi +if test -n "$keep_empty" +then + test -z "$interactive_rebase" && interactive_rebase=implied +fi + if test -n "$interactive_rebase" then - type=interactive + if test -z "$preserve_merges" + then + type=interactive + else + type=preserve-merges + fi + state_dir="$merge_dir" elif test -n "$do_merge" then @@ -439,6 +516,54 @@ else state_dir="$apply_dir" fi +if test -t 2 && test -z "$GIT_QUIET" +then + git_format_patch_opt="$git_format_patch_opt --progress" +fi + +if test -n "$git_am_opt"; then + incompatible_opts=$(echo " $git_am_opt " | \ + sed -e 's/ -q / /g' -e 's/^ \(.*\) $/\1/') + if test -n "$interactive_rebase" + then + if test -n "$incompatible_opts" + then + die "$(gettext "error: cannot combine interactive options (--interactive, --exec, --rebase-merges, --preserve-merges, --keep-empty, --root + --onto) with am options ($incompatible_opts)")" + fi + fi + if test -n "$do_merge"; then + if test -n "$incompatible_opts" + then + die "$(gettext "error: cannot combine merge options (--merge, --strategy, --strategy-option) with am options ($incompatible_opts)")" + fi + fi +fi + +if test -n "$signoff" +then + test -n "$preserve_merges" && + die "$(gettext "error: cannot combine '--signoff' with '--preserve-merges'")" + git_am_opt="$git_am_opt $signoff" + force_rebase=t +fi + +if test -n "$preserve_merges" +then + # Note: incompatibility with --signoff handled in signoff block above + # Note: incompatibility with --interactive is just a strong warning; + # git-rebase.txt caveats with "unless you know what you are doing" + test -n "$rebase_merges" && + die "$(gettext "error: cannot combine '--preserve_merges' with '--rebase-merges'")" +fi + +if test -n "$rebase_merges" +then + test -n "$strategy_opts" && + die "$(gettext "error: cannot combine '--rebase_merges' with '--strategy-option'")" + test -n "$strategy" && + die "$(gettext "error: cannot combine '--rebase_merges' with '--strategy'")" +fi + if test -z "$rebase_root" then case "$#" in @@ -448,7 +573,7 @@ then then . git-parse-remote error_on_missing_default_upstream "rebase" "rebase" \ - "against" "git rebase <branch>" + "against" "git rebase $(gettext '<branch>')" fi test "$fork_point" = auto && fork_point=t @@ -462,7 +587,7 @@ then ;; esac upstream=$(peel_committish "${upstream_name}") || - die "$(eval_gettext "invalid upstream \$upstream_name")" + die "$(eval_gettext "invalid upstream '\$upstream_name'")" upstream_arg="$upstream_name" else if test -z "$onto" @@ -503,7 +628,7 @@ case "$onto_name" in esac # If the branch to rebase is given, that is the branch we will rebase -# $branch_name -- branch being rebased, or HEAD (already detached) +# $branch_name -- branch/commit being rebased, or HEAD (already detached) # $orig_head -- commit object name of tip of the branch before rebasing # $head_name -- refs/heads/<that-branch> or "detached HEAD" switch_to= @@ -513,15 +638,18 @@ case "$#" in branch_name="$1" switch_to="$1" - if git show-ref --verify --quiet -- "refs/heads/$1" && - orig_head=$(git rev-parse -q --verify "refs/heads/$1") + # Is it a local branch? + if git show-ref --verify --quiet -- "refs/heads/$branch_name" && + orig_head=$(git rev-parse -q --verify "refs/heads/$branch_name") then - head_name="refs/heads/$1" - elif orig_head=$(git rev-parse -q --verify "$1") + head_name="refs/heads/$branch_name" + # If not is it a valid ref (branch or commit)? + elif orig_head=$(git rev-parse -q --verify "$branch_name") then head_name="detached HEAD" + else - die "$(eval_gettext "fatal: no such branch: \$branch_name")" + die "$(eval_gettext "fatal: no such branch/commit '\$branch_name'")" fi ;; 0) @@ -532,7 +660,7 @@ case "$#" in branch_name=$(expr "z$branch_name" : 'zrefs/heads/\(.*\)') else head_name="detached HEAD" - branch_name=HEAD ;# detached + branch_name=HEAD fi orig_head=$(git rev-parse --verify HEAD) || exit ;; @@ -572,7 +700,7 @@ require_clean_work_tree "rebase" "$(gettext "Please commit or stash them.")" # but this should be done only when upstream and onto are the same # and if this is not an interactive rebase. mb=$(git merge-base "$onto" "$orig_head") -if test "$type" != interactive && test "$upstream" = "$onto" && +if test -z "$interactive_rebase" && test "$upstream" = "$onto" && test "$mb" = "$onto" && test -z "$restrict_revision" && # linear history? ! (git rev-list --parents "$onto".."$orig_head" | sane_grep " .* ") > /dev/null @@ -582,12 +710,24 @@ then # Lazily switch to the target branch if needed... test -z "$switch_to" || GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to" \ - git checkout "$switch_to" -- - say "$(eval_gettext "Current branch \$branch_name is up to date.")" + git checkout -q "$switch_to" -- + if test "$branch_name" = "HEAD" && + ! git symbolic-ref -q HEAD + then + say "$(eval_gettext "HEAD is up to date.")" + else + say "$(eval_gettext "Current branch \$branch_name is up to date.")" + fi finish_rebase exit 0 else - say "$(eval_gettext "Current branch \$branch_name is up to date, rebase forced.")" + if test "$branch_name" = "HEAD" && + ! git symbolic-ref -q HEAD + then + say "$(eval_gettext "HEAD is up to date, rebase forced.")" + else + say "$(eval_gettext "Current branch \$branch_name is up to date, rebase forced.")" + fi fi fi @@ -604,7 +744,7 @@ then GIT_PAGER='' git diff --stat --summary "$mb" "$onto" fi -test "$type" = interactive && run_specific_rebase +test -n "$interactive_rebase" && run_specific_rebase # Detach HEAD and reset the tree say "$(gettext "First, rewinding head to replay your work on top of it...")" |