Collection of git aliases and functions

.git_aliases

###############################################################
Please see "PS1 upgrades, with COLORS!" gist for color variables.
https://gist.github.com/connoro7/8c37fb4fb6abd6bca0c5cc13259e30c7
###############################################################

## Git
## add
alias ga='git add'
alias gaa='git add -A && git status'
## branch
alias gb='git branch'
alias gba="git branch -a"
alias gbuoh='git branch -u origin/$(grph)'
alias gbpp='git log -r --oneline --no-merges --simplify-by-decoration --pretty=format:"%n %Cred CommitID %Creset: %h %n %Cred Remote Branch %Creset :%d %n %Cred Commit Message %Creset: %s %n"'
## branch management
gbmake() { NEW_BRANCH="$1" ; git branch $NEW_BRANCH && git checkout $NEW_BRANCH ; }
gbrename() {
    
    read -p 'Rename which branch? [this branch]: ' OLD_NAME ;
    OLD_NAME=${OLD_NAME:-`git rev-parse --abbrev-ref HEAD`}
    read -p 'Enter new branch name: ' NEW_NAME &&
    git branch --move $OLD_NAME $NEW_NAME &&
    git push --set-upstream origin $NEW_NAME ;
    git branch -a ;
    echo -e "${BYellow}Please remove the old branch on remote${Color_Off}" ;
    #git push origin --delete $OLD_NAME ;
}
gbmerged() {
    echo -e "${BGreen}> Merged branches:${Color_Off}"
    git branch --merged
    echo -e "${BRed}> Unmerged branches:${Color_Off}"
    git branch --no-merged
}
## branch cleanup
alias gbdl='echo -e "$Red>About to delete a local branch...$Color_Off" && confirm && git branch -d $1'
alias gbdlF='echo -e "$Red>About to $Warning FORCE $Red delete a local branch...$Color_Off" && confirm && git branch -D $1'
alias gbdr='echo -e "$Red>About to delete remote branch...$Color_Off" && confirm && git push $1 --delete $2'
## commit
alias gc='git commit'
alias gcane='git commit --amend --no-edit'
alias gcanenv='gcane --no-verify'
alias gcm='git commit -m'
alias gcms='git commit -S -m'
alias gcmwip='git add -A && git commit -m "WIP" --no-verify'
## diff
alias gdhns='git diff HEAD~ HEAD --name-status'
alias gdi='git diff --ignore-space-at-eol'
## fetch
alias gf='git fetch --all --prune -v'
alias gfom='git fetch origin master:master -v'
## pull
alias gpull="git pull"
alias gpullom='git pull origin master'
alias gpullomd='gch HEAD --detach && git fetch origin master:master && gch master'
alias gpullohr='glp -5 && git pull origin $(grph) --rebase'
fix-failed-ff-abort() { 
    # Workaround solution for instances where a `git pull` aborts due to failed fast-forwarding
    git pull origin "$1" --rebase ;}
## push
alias gpush="git push"
alias gpush+='git push origin'
alias gpush++='git push origin $(grph)'
## stash
alias gsa='git stash apply'
alias gsl='git stash list'
alias gss='git stash save'
## log
alias gl='git log --decorate --abbrev-commit'
alias glg='git log --decorate --abbrev-commit --graph'
alias glgp='git log --decorate --abbrev-commit --graph --pretty=oneline'
alias glp='git log --decorate --abbrev-commit --pretty=oneline'
## rev-parse
alias grph='git rev-parse --abbrev-ref HEAD'
alias grphc='echo $(git rev-parse --abbrev-ref HEAD) | pbcopy'
## misc.
alias gch='git checkout'
alias gd='git diff'
alias gs='git status'
## undo 
alias undo-commit='echo -e "$Red>Undo most recent commit?$Color_Off" && confirm && git reset --soft HEAD~1 && echo -e "$Green>Done$Color_Off"'
alias undo-changes='echo -e "$Red>Discard changes since last commit?$Color_Off" && confirm && git reset --hard HEAD~1 && echo -e "$Green>Done$Color_Off"'

## Functions
#
gcht() { 
    # Fetches the branch at remote, then checks it out and sets it as the upstream branch.
    REMOTE="$1" ; BRANCH="$2" ; git fetch $REMOTE $BRANCH && git checkout -t "$REMOTE/$BRANCH"; }

git-amend-current-commit-date() {
    # Amends date of most recent commit, using format: "Sat May 19 01:01:01 2019 -0700"
    # -0800 for PST, -0700 for PDT; PDT observed 2nd Sunday in March thru 1st Sunday in November
    GIT_COMMITTER_DATE="$1" git commit --amend --date="$1" --no-edit ; }

git-view-changes() { FROM="$1" ; TO="$2" ; git checkout $TO && git reset $FROM --soft ; }

code-review() { BRANCH="$1" ; git fetch origin master && git checkout code-review && git reset $BRANCH --hard && git reset origin/master --soft ; }

init-repo() {
    # Initializes a new git repo at the current working directory 
    echo -e "${IGreen}Initializing git repository...$Color_Off"
    read -p "Please enter remote URL: " REPO
    read -p "Enter the remote name ${Yellow}[origin]${Color_Off}: " REMOTE
    REMOTE=${REMOTE:-origin}
    git init && git remote add $REMOTE $REPO && git remote --v && git fetch --all --prune -v && git pull $REMOTE master ; }