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Diffstat (limited to 'git-rebase--merge.sh')
| -rw-r--r-- | git-rebase--merge.sh | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/git-rebase--merge.sh b/git-rebase--merge.sh new file mode 100644 index 0000000000..06a4723d4d --- /dev/null +++ b/git-rebase--merge.sh @@ -0,0 +1,169 @@ +# This shell script fragment is sourced by git-rebase to implement +# its merge-based non-interactive mode that copes well with renamed +# files. +# +# Copyright (c) 2010 Junio C Hamano. +# + +prec=4 + +read_state () { + onto_name=$(cat "$state_dir"/onto_name) && + end=$(cat "$state_dir"/end) && + msgnum=$(cat "$state_dir"/msgnum) +} + +continue_merge () { + test -d "$state_dir" || die "$state_dir directory does not exist" + + unmerged=$(git ls-files -u) + if test -n "$unmerged" + then + echo "You still have unmerged paths in your index" + echo "did you forget to use git add?" + die "$resolvemsg" + fi + + cmt=$(cat "$state_dir/current") + if ! git diff-index --quiet --ignore-submodules HEAD -- + then + if ! git commit ${gpg_sign_opt:+"$gpg_sign_opt"} --no-verify -C "$cmt" + then + echo "Commit failed, please do not call \"git commit\"" + echo "directly, but instead do one of the following: " + die "$resolvemsg" + fi + if test -z "$GIT_QUIET" + then + printf "Committed: %0${prec}d " $msgnum + fi + echo "$cmt $(git rev-parse HEAD^0)" >> "$state_dir/rewritten" + else + if test -z "$GIT_QUIET" + then + printf "Already applied: %0${prec}d " $msgnum + fi + fi + test -z "$GIT_QUIET" && + GIT_PAGER='' git log --format=%s -1 "$cmt" + + # onto the next patch: + msgnum=$(($msgnum + 1)) + echo "$msgnum" >"$state_dir/msgnum" +} + +call_merge () { + msgnum="$1" + echo "$msgnum" >"$state_dir/msgnum" + cmt="$(cat "$state_dir/cmt.$msgnum")" + echo "$cmt" > "$state_dir/current" + hd=$(git rev-parse --verify HEAD) + cmt_name=$(git symbolic-ref HEAD 2> /dev/null || echo HEAD) + eval GITHEAD_$cmt='"${cmt_name##refs/heads/}~$(($end - $msgnum))"' + eval GITHEAD_$hd='$onto_name' + export GITHEAD_$cmt GITHEAD_$hd + if test -n "$GIT_QUIET" + then + GIT_MERGE_VERBOSITY=1 && export GIT_MERGE_VERBOSITY + fi + test -z "$strategy" && strategy=recursive + # If cmt doesn't have a parent, don't include it as a base + base=$(git rev-parse --verify --quiet $cmt^) + eval 'git-merge-$strategy' $strategy_opts $base ' -- "$hd" "$cmt"' + rv=$? + case "$rv" in + 0) + unset GITHEAD_$cmt GITHEAD_$hd + return + ;; + 1) + git rerere $allow_rerere_autoupdate + die "$resolvemsg" + ;; + 2) + echo "Strategy: $strategy failed, try another" 1>&2 + die "$resolvemsg" + ;; + *) + die "Unknown exit code ($rv) from command:" \ + "git-merge-$strategy $cmt^ -- HEAD $cmt" + ;; + esac +} + +finish_rb_merge () { + move_to_original_branch + if test -s "$state_dir"/rewritten + then + git notes copy --for-rewrite=rebase <"$state_dir"/rewritten + hook="$(git rev-parse --git-path hooks/post-rewrite)" + test -x "$hook" && "$hook" rebase <"$state_dir"/rewritten + fi + say All done. +} + +# The whole contents of this file is run by dot-sourcing it from +# inside a shell function. It used to be that "return"s we see +# below were not inside any function, and expected to return +# to the function that dot-sourced us. +# +# However, older (9.x) versions of FreeBSD /bin/sh misbehave on such a +# construct and continue to run the statements that follow such a "return". +# As a work-around, we introduce an extra layer of a function +# here, and immediately call it after defining it. +git_rebase__merge () { + +case "$action" in +continue) + read_state + continue_merge + while test "$msgnum" -le "$end" + do + call_merge "$msgnum" + continue_merge + done + finish_rb_merge + return + ;; +skip) + read_state + git rerere clear + msgnum=$(($msgnum + 1)) + while test "$msgnum" -le "$end" + do + call_merge "$msgnum" + continue_merge + done + finish_rb_merge + return + ;; +esac + +mkdir -p "$state_dir" +echo "$onto_name" > "$state_dir/onto_name" +write_basic_state + +msgnum=0 +for cmt in $(git rev-list --reverse --no-merges "$revisions") +do + msgnum=$(($msgnum + 1)) + echo "$cmt" > "$state_dir/cmt.$msgnum" +done + +echo 1 >"$state_dir/msgnum" +echo $msgnum >"$state_dir/end" + +end=$msgnum +msgnum=1 + +while test "$msgnum" -le "$end" +do + call_merge "$msgnum" + continue_merge +done + +finish_rb_merge + +} +# ... and then we call the whole thing. +git_rebase__merge |