Finish code-review script

Author: xorkevin

code-review

@@ -0,0 +1,54 @@
+function code-review () {
+  local is_git=$(git rev-parse --is-inside-work-tree 2> /dev/null)
+  if [ -z $is_git ]; then
+    echo "not a git repository"
+    return
+  fi
+
+  local base_branch=${1:-${GIT_BASE_BRANCH:-master}}
+  local target_branch=${2:-HEAD}
+
+  local merge_base=$(git merge-base $target_branch $base_branch)
+
+  local shortstatout=$(git diff --shortstat --color $merge_base $target_branch)
+  local statout=$(git diff --stat --color $merge_base $target_branch)
+  local filesout=$(git diff --name-only $merge_base $target_branch)
+
+  local LESS
+  local selectfile
+
+  setopt localtraps
+  trap '' 2
+
+  while true; do
+    # alternate screen
+    echo -ne "\e[?1049h"
+    # clear screen; move to top left
+    echo -ne "\e[2J\e[H"
+    echo " comparing $base_branch..$target_branch"
+    echo $shortstatout
+    echo -n " Usage: l - list changed files, f - launch difftool for file, q - quit"
+    read -sk opt
+    case $opt in
+      (l)
+        echo $statout | less -c -g -i -M -R -S -w -X -z-4
+        ;;
+      (f)
+        selectfile=$(echo "$filesout" | fzf --reverse --preview '[[ $(file --mime {}) =~ binary ]] && echo {} is a binary file || (bat --color=always -r :$FZF_PREVIEW_LINES {} || head -$FZF_PREVIEW_LINES {}) 2> /dev/null')
+        # alternate screen
+        echo -ne "\e[?1049h"
+        echo selectfile: "begin${selectfile}end"
+        if [ -z $selectfile ]; then
+        else
+          git difftool --no-prompt $merge_base $target_branch -- $selectfile
+        fi
+        ;;
+      (q)
+        break
+        ;;
+    esac
+  done
+
+  # revert alternate screen
+  echo -ne "\e[?1049l"
+}