Git utilities! :) It's now being tracked in a standalone repository https://github.com/soraxas/git-utils

git-go_next

#!/bin/bash

# test git is working in cwd
# git || exit 1

# declare a wrapper function for git
git() {
   command git "$@" || exit 1
}

BRANCH=`git show-ref | grep $(git show-ref -s -- HEAD) | sed 's|.*/\(.*\)|\1|' | grep -v HEAD | sort | uniq`
HASH=`git rev-parse $BRANCH`
PREV=`git rev-list --topo-order HEAD..$HASH | tail -1`
echo $BRANCH
echo $HASH
echo $PREV
git checkout $PREV

git-go_prev

#!/bin/bash

# test git is working in cwd
# git log || exit 1

# declare a wrapper function for git
git() {
   command git "$@" || exit 1
}

git checkout HEAD~

git-wip

#!/bin/sh

#set -x

WIP_TOKEN="[FIXME]: local wip DIRTY files commit (to be reverted)"
WIP_HAS_STAGED_TOKEN="[FIXME]: local wip STAGED files commit (to be reverted)"

GREEN='\033[0;32m'
RED='\033[0;31m'
MAGENTA='\033[0;35m'
NC='\033[0m'

say_action() {
  printf "$MAGENTA>> ${@}${NC}\n"
}

say() {
  printf "$GREEN>> ${@}${NC}\n"
}

failed() {
  printf "$RED>> Something went wrong. ${@}${NC}\n"
  exit 1
}

check_has_wip() {
    git update-index --refresh
    git diff-index --quiet HEAD --
}

check_staged() {
    x="$(git diff --name-only --cached)"
    if [ "$x" != "" ]; then
      say_action "There are staged files, adding WIP staged files commit"
      # non-empty means there is files to be staged.
      git commit --no-verify -m "${WIP_HAS_STAGED_TOKEN}" || failed
    fi
}

# https://stackoverflow.com/questions/45352246/how-to-switch-and-save-without-commit-in-git
main() { 
    x="$(git log -1 --pretty=%B)"
    if [ "$x" = "${WIP_TOKEN}" ]; then
        say_action "Undoing WIP commit"
        git reset --soft HEAD^ || failed
        git reset
    x="$(git log -1 --pretty=%B)"
    if [ "$x" = "${WIP_HAS_STAGED_TOKEN}" ]; then
        say_action "Undoing staged commit"
        git reset --soft HEAD^ || failed
    fi
    else 
        if [ "$(check_has_wip)" = "" ]; then
          # nothing to add to wip! :)
          say "No WIP work found, exiting."
          exit 0
        fi
        check_staged 
        say_action "Adding WIP commit with all files"
        git add -u || failed
        git commit --no-verify -am "${WIP_TOKEN}" || failed
    fi
    say "Done"
}


main