#!/bin/bash

function usage {
echo -e ' Git menu
note: some commands require color= in [extensions]
This tool mainly exists as a menu command for Midnight Commander.

Usage:   gitmenu [args]
   gitmenu will interactively query for a command to use.
   [args] will be passed on to that command

'
}

function argsreq {
    echo Arguments required
    exit
}

while getopts h opt
do  case "$opt" in
    h)
        usage
        exit
    ;;
    esac
done
PRC="cat"
hash highbeam 2> /dev/null && PRC="highbeam"
export HB_RULES='"^\[.\]" "$G" \
"|.*|" "$W" \
"^#\s.*" "$Y" \
'
echo '# GIT:

[a] |        Add | files to track*
[c] |     Commit | changes to local repository
[d] | Difference | of current and previous versions
[l] |        Log |
[m] |      Merge | conflicting change sets
[p] |       Pull | changes from remote repository
[P] |       Push | changes to remote repository
[r] |     Remove | files*
[u] |     Update | from local repository
[s] |     Status |

[q] |       Quit |

* Requires arguments
' | $PRC

echo Current arguments: "$@"
read -p "Command: "  -N 1 CMD
echo ""
LESS="less -R -S"
case "$CMD" in
    a)
       [[ -z "$@" ]] && argsreq
       find "$@" \( -type d -name .git -prune \) -o -type f -print
       read -p "Add all these files? y/n" foo
       [[ $foo = "n" ]] && exit
       git add "$@"
    ;;
    c)
      [[ -z "$@" ]] || {
        echo Commiting files:
        find "$@" \( -type d -name .git -prune \) -o -type f -print
      }
      [[ -z "$@" ]] && {
        git status
      }
      read -e -p "Commit message: " MSG
      [[ -z "$@" ]] && {
        git commit -m "$MSG" -a
      } || {
        git commit -m "$MSG" "$@"
      }
    ;;
    d)
       git diff "$@"
    ;;
    l)
       git log "$@"
    ;;
    m)
       git merge "$@"
    ;;
    p)
       git pull "$@"
    ;;
    P)
       git push "$@"
    ;;
    r)
       [[ -z "$@" ]] && argsreq
       find "$@" \( -type d -name .git -prune \) -o -type f -print
       read -p "Remove all these files? y/n" foo
       [[ $foo = "n" ]] && exit
       git rm "$@"
    ;;
    s)
       git status "$@"
    ;;
    q)
       exit
    ;;
    *)
        echo Command $CMD not recognized
    ;;
esac