cls
:echo off
setlocal

:SET VARIABLES AS REQUIRED
:set project=background
set bckpFolder=bckp
set srcFolder=src
set bibFolder=bib
set dirList=dirsToBckp.txt


:GETTING CURRENT PROJECT NAME
pushd .
:cd .. :apparently this one was erroneous - would back it up with the "latex" name for all projs
for /F "delims=" %%a in ('chdir') do set project="%%~na"
popd

:GETTING CURRENT TIME
set HH=%time:~0,2%
:makes sure that zero is appended to the hour if a.m.
if "%HH:~0,1%"==" " set HH=0%HH:~1,2%
set MM=%time:~3,2%
set SS=%time:~6,2%
set DD=%date:~4,2%
set MO=%date:~7,2%
set YY=%date:~12,2%
set TIMESTAMP=%YY%%MO%%DD%-%HH%%MM%.%SS%


:OTHER VARIABLES
set jarBckpSrc=.\%bckpFolder%\src-%project%-%TIMESTAMP%.zip
set jarBckpList=.\%bckpFolder%\listed-%project%-%TIMESTAMP%.zip
set jarBckpAll=.\%bckpFolder%\all-%project%-%TIMESTAMP%.zip
set jarBckpRepo=.\%bckpFolder%\repo-%project%-%TIMESTAMP%.zip

:if backup folder doesnt exist we need to create it first
if NOT exist %bckpFolder% mkdir %bckpFolder%


:SCENARIO 1a: BACKING UP ONLY SOURCE AND BIB 
:===============================================
if {%1}=={src} (
jar cvfM %jarBckpSrc% %dirList%
for /f %%a in ('dir /B') do (
if {%%a}=={%srcFolder%} jar uvf %jarBckpSrc% %%a
if {%%a}=={%bibFolder%} jar uvf %jarBckpSrc% %%a 
)

:SCENARIO 1b: BACKING UP ONLY STIPULATED FOLDERS
:===============================================
) else if {%1}=={listed} (
jar cvfM %jarBckpList% %dirList%
for /f "delims=" %%a in (%dirList%) do jar uvf %jarBckpList% %%a

:SCENARIO 2: BACKING UP ALL FOLDERS EXCEPT BACKUP
:===============================================
) else if {%1}=={all} (
jar cvfM %jarBckpAll% %dirList%
for /f %%a in ('dir /B') do if NOT {%%a}=={%bckpFolder%} jar uvf %jarBckpAll% %%a

:SCENARIO 3: BACKING UP REPO
:===============================================
) else if {%1}=={repo} (
jar cvfM %jarBckpRepo% %2

:SCENARIO 4: WRONG INPUT
:===============================================
) else (
echo ---
echo Arguments should be: [src], [listed], [all], or [repo repoRoot] only!
echo ---
)

endlocal
pause