new tool for git-edits step-by-step

1 files changed, 107 insertions, 0 deletions

diff --git a/tools/ortrta.sh b/tools/ortrta.sh
new file mode 100755
index 0000000..7b1d950
--- /dev/null
+++ b/tools/ortrta.sh
@@ -0,0 +1,107 @@
+#!/bin/bash
+
+# Shell script to perform `git rebase -i <argument>`
+# License: WTFPL2
+
+errorout() {
+	echo "Failed: $1"
+	exit 1
+}
+
+repoman_this() {
+	local ebuilds=( $(git diff --numstat HEAD^ | cut -f3 | grep '\.ebuild') )
+	local dirs=()
+	for i in ${ebuilds[@]}; do
+		local dir=$(dirname ${i})
+		local inIt=0
+		for j in ${dirs[@]}; do
+			if [[ "${j}" == "${dir}" ]]; then
+				inIt=1
+				break;
+			fi
+		done
+		if [[ ${inIt} -eq 0 ]]; then
+			dirs+="${dir}"
+			pushd ${dir}
+			repoman full
+			popd 2>&1 > /dev/null
+		fi
+	done
+	git add *
+	git commit --amend --no-edit
+	echo
+	git rebase --continue 2>&1 | head -n1
+}
+
+choose() {
+	while [[ true ]]; do
+		echo -n "(e)dit, (r)epoman full all ebuilds, (c)ontinue or e(x)it? "
+		read -n1 -r response
+		
+		printf '\r'
+		tput el
+		echo
+		
+		case ${response} in
+			e )
+				exit 0
+				;;
+			c )
+				git rebase --continue 2>&1 | head -n1
+				return
+				;;
+			r )
+				repoman_this
+				return
+				;;
+			x )
+				echo "Aborting rebase..."
+				git rebase --abort
+				echo "Exiting."
+				exit 0
+				;;
+			* )
+				echo "Wrong key. Try again."
+				;;
+		esac
+	done
+}
+
+resume() {
+	count=$(GIT_EDITOR='cat' git rebase --edit-todo | grep -v '^#' | wc -l)
+	while [[ ${count} -ge 0 ]]; do
+		git diff --color --stat HEAD^ | cat
+		echo "left: ${count}"
+		count=$(( count - 1 ))
+		choose
+	done
+	if [[ $(LC_ALL=C git rebase --edit-todo 2>&1 | \
+						grep -v '^#\|No rebase in progress?' | \
+						wc -l) \
+				-eq 0 ]]; then
+		echo "Done."
+	else
+		echo "Something went wrong here, there's still commits to process."
+	fi
+}
+
+commence() {
+	input=$1
+	START=${input:=master}
+	GIT_EDITOR='vim -c "%s/pick/edit/g | wq"' git rebase -i ${START} || errorout "git rebase -i ${START}"
+	resume
+}
+
+STATUS=$(LC_ALL=C git status | head -n1 | grep -c 'interactive rebase in progress')
+
+case ${STATUS} in
+	1)
+		resume
+		;;
+	0)
+		commence $1
+		;;
+	*)
+		errorout "Invalid status \"${STATUS}\"."
+		;;
+esac