[PATCH/RFC 18/20] rebase -m: extract code to new source file
Extract the code for merge-based rebase to git-rebase--merge.sh.
Signed-off-by: Martin von Zweigbergk <martin.von.zweigbergk@gmail.com>
---
.gitignore | 1 +
Makefile | 1 +
git-rebase--merge.sh | 154 +++++++++++++++++++++++++++++++++++++++++++++
git-rebase.sh | 168 +++++---------------------------------------------
4 files changed, 172 insertions(+), 152 deletions(-)
create mode 100644 git-rebase--merge.sh
diff --git a/.gitignore b/.gitignore
index b279de3..8f68f8a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -103,6 +103,7 @@
/git-read-tree
/git-rebase
/git-rebase--interactive
+/git-rebase--merge
/git-receive-pack
/git-reflog
/git-relink
diff --git a/Makefile b/Makefile
index 8357106..213ceaf 100644
--- a/Makefile
+++ b/Makefile
@@ -397,6 +397,7 @@ SCRIPT_SH += git-mergetool.sh
SCRIPT_SH += git-pull.sh
SCRIPT_SH += git-quiltimport.sh
SCRIPT_SH += git-rebase--interactive.sh
+SCRIPT_SH += git-rebase--merge.sh
SCRIPT_SH += git-rebase.sh
SCRIPT_SH += git-repack.sh
SCRIPT_SH += git-request-pull.sh
diff --git a/git-rebase--merge.sh b/git-rebase--merge.sh
new file mode 100644
index 0000000..8cfdcf1
--- /dev/null
+++ b/git-rebase--merge.sh
@@ -0,0 +1,154 @@
+#!/bin/sh
+#
+# Copyright (c) 2010 Junio C Hamano.
+#
+
+. git-sh-setup
+
+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 --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" >"$state_dir/msgnum"
+}
+
+call_merge () {
+ cmt="$(cat "$state_dir/cmt.$1")"
+ echo "$cmt" > "$state_dir/current"
+ hd=$(git rev-parse --verify HEAD)
+ cmt_name=$(git symbolic-ref HEAD 2> /dev/null || echo HEAD)
+ msgnum=$(cat "$state_dir/msgnum")
+ eval GITHEAD_$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 "$strategy" && strategy=recursive
+ eval 'git-merge-$strategy' $strategy_opts '"$cmt^" -- "$hd" "$cmt"'
+ rv=$?
+ case "$rv" in
+ 0)
+ unset GITHEAD_$cmt GITHEAD_$hd
+ return
+ ;;
+ 1)
+ git rerere $allow_rerere_autoupdate
+ die "$RESOLVEMSG"
+ ;;
+ 2)
+ echo "Strategy: $rv $strategy failed, try another" 1>&2
+ die "$RESOLVEMSG"
+ ;;
+ *)
+ die "Unknown exit code ($rv) from command:" \
+ "git-merge-$strategy $cmt^ -- HEAD $cmt"
+ ;;
+ esac
+}
+
+finish_rb_merge () {
+ move_to_original_branch
+ git notes copy --for-rewrite=rebase < "$state_dir"/rewritten
+ if test -x "$GIT_DIR"/hooks/post-rewrite &&
+ test -s "$state_dir"/rewritten; then
+ "$GIT_DIR"/hooks/post-rewrite rebase < "$state_dir"/rewritten
+ fi
+ rm -r "$state_dir"
+ say All done.
+}
+
+case "$action" in
+continue)
+ read_state
+ continue_merge
+ while test "$msgnum" -le "$end"
+ do
+ call_merge "$msgnum"
+ continue_merge
+ done
+ finish_rb_merge
+ exit
+ ;;
+skip)
+ read_state
+ git rerere clear
+ msgnum=$(($msgnum + 1))
+ while test "$msgnum" -le "$end"
+ do
+ call_merge "$msgnum"
+ continue_merge
+ done
+ finish_rb_merge
+ exit
+ ;;
+esac
+
+mkdir -p "$state_dir"
+echo "$onto_name" > "$state_dir/onto_name"
+echo "$head_name" > "$state_dir/head-name"
+echo "$onto" > "$state_dir/onto"
+echo "$orig_head" > "$state_dir/orig-head"
+echo "$GIT_QUIET" > "$state_dir/quiet"
+
+msgnum=0
+for cmt in `git rev-list --reverse --no-merges "$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
diff --git a/git-rebase.sh b/git-rebase.sh
index d233da6..0773968 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -48,7 +48,6 @@ strategy_opts=
do_merge=
merge_dir="$GIT_DIR"/rebase-merge
apply_dir="$GIT_DIR"/rebase-apply
-prec=4
verbose=
diffstat=$(git config --bool rebase.stat)
git_am_opt=
@@ -66,94 +65,13 @@ type=
# One of {"$GIT_DIR"/rebase-apply, "$GIT_DIR"/rebase-merge}
state_dir=
-read_state () {
- if test "$type" = merge
- then
- onto_name=$(cat "$merge_dir"/onto_name) &&
- end=$(cat "$merge_dir"/end) &&
- msgnum=$(cat "$merge_dir"/msgnum)
- fi &&
+read_basic_state () {
head_name=$(cat "$state_dir"/head-name) &&
onto=$(cat "$state_dir"/onto) &&
orig_head=$(cat "$state_dir"/orig-head) &&
GIT_QUIET=$(cat "$state_dir"/quiet)
}
-continue_merge () {
- test -d "$merge_dir" || die "$merge_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 "$RESOLVEMSG"
- fi
-
- cmt=`cat "$merge_dir/current"`
- if ! git diff-index --quiet --ignore-submodules HEAD --
- then
- if ! git commit --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 $(git rev-parse HEAD^0)" >> "$merge_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" >"$merge_dir/msgnum"
-}
-
-call_merge () {
- cmt="$(cat "$merge_dir/cmt.$1")"
- echo "$cmt" > "$merge_dir/current"
- hd=$(git rev-parse --verify HEAD)
- cmt_name=$(git symbolic-ref HEAD 2> /dev/null || echo HEAD)
- msgnum=$(cat "$merge_dir/msgnum")
- eval GITHEAD_$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 "$strategy" && strategy=recursive
- eval 'git-merge-$strategy' $strategy_opts '"$cmt^" -- "$hd" "$cmt"'
- rv=$?
- case "$rv" in
- 0)
- unset GITHEAD_$cmt GITHEAD_$hd
- return
- ;;
- 1)
- git rerere $allow_rerere_autoupdate
- die "$RESOLVEMSG"
- ;;
- 2)
- echo "Strategy: $rv $strategy failed, try another" 1>&2
- die "$RESOLVEMSG"
- ;;
- *)
- die "Unknown exit code ($rv) from command:" \
- "git-merge-$strategy $cmt^ -- HEAD $cmt"
- ;;
- esac
-}
-
move_to_original_branch () {
case "$head_name" in
refs/*)
@@ -166,25 +84,17 @@ move_to_original_branch () {
esac
}
-finish_rb_merge () {
- move_to_original_branch
- git notes copy --for-rewrite=rebase < "$merge_dir"/rewritten
- if test -x "$GIT_DIR"/hooks/post-rewrite &&
- test -s "$merge_dir"/rewritten; then
- "$GIT_DIR"/hooks/post-rewrite rebase < "$merge_dir"/rewritten
- fi
- rm -r "$merge_dir"
- say All done.
-}
-
-run_interactive_rebase () {
+run_specific_rebase () {
if [ "$interactive_rebase" = implied ]; then
GIT_EDITOR=:
export GIT_EDITOR
fi
export onto autosquash strategy strategy_opts verbose rebase_root \
- force_rebase action preserve_merges upstream switch_to head_name
- exec git-rebase--interactive
+ force_rebase action preserve_merges upstream switch_to head_name \
+ in_progress state_dir head_name orig_head GIT_QUIET revisions \
+ RESOLVEMSG
+ export -f move_to_original_branch
+ test "$type" != am && exec git-rebase--$type
}
run_pre_rebase_hook () {
@@ -362,7 +272,7 @@ valuable there.'
test $# -eq 0 && test -z "$rebase_root" && usage
fi
-test -n "$action" && test -n "$interactive_rebase" && run_interactive_rebase
+test -n "$action" && test -n "$interactive_rebase" && run_specific_rebase
case "$action" in
continue)
@@ -372,44 +282,23 @@ continue)
echo "mark them as resolved using git add"
exit 1
}
- read_state
- if test -d "$merge_dir"
- then
- continue_merge
- while test "$msgnum" -le "$end"
- do
- call_merge "$msgnum"
- continue_merge
- done
- finish_rb_merge
- exit
- fi
+ read_basic_state
+ run_specific_rebase
git am --resolved --3way --resolvemsg="$RESOLVEMSG" &&
move_to_original_branch
exit
;;
skip)
git reset --hard HEAD || exit $?
- read_state
- if test -d "$merge_dir"
- then
- git rerere clear
- msgnum=$(($msgnum + 1))
- while test "$msgnum" -le "$end"
- do
- call_merge "$msgnum"
- continue_merge
- done
- finish_rb_merge
- exit
- fi
+ read_basic_state
+ run_specific_rebase
git am -3 --skip --resolvemsg="$RESOLVEMSG" &&
move_to_original_branch
exit
;;
abort)
git rerere clear
- read_state
+ read_basic_state
case "$head_name" in
refs/*)
git symbolic-ref HEAD $head_name ||
@@ -552,7 +441,7 @@ then
GIT_PAGER='' git diff --stat --summary "$mb" "$onto"
fi
-test -n "$interactive_rebase" && run_interactive_rebase
+test -n "$interactive_rebase" && run_specific_rebase
# Detach HEAD and reset the tree
say "First, rewinding head to replay your work on top of it..."
@@ -591,33 +480,8 @@ then
exit $ret
fi
+
# start doing a rebase with git-merge
# this is rename-aware if the recursive (default) strategy is used
-mkdir -p "$merge_dir"
-echo "$onto_name" > "$merge_dir/onto_name"
-echo "$head_name" > "$merge_dir/head-name"
-echo "$onto" > "$merge_dir/onto"
-echo "$orig_head" > "$merge_dir/orig-head"
-echo "$GIT_QUIET" > "$merge_dir/quiet"
-
-msgnum=0
-for cmt in `git rev-list --reverse --no-merges "$revisions"`
-do
- msgnum=$(($msgnum + 1))
- echo "$cmt" > "$merge_dir/cmt.$msgnum"
-done
-
-echo 1 >"$merge_dir/msgnum"
-echo $msgnum >"$merge_dir/end"
-
-end=$msgnum
-msgnum=1
-
-while test "$msgnum" -le "$end"
-do
- call_merge "$msgnum"
- continue_merge
-done
-
-finish_rb_merge
+run_specific_rebase
--
1.7.3.2.864.gbbb96
Martin von Zweigbergk <martin.von.zweigbergk@gmail.com>