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