sysutils/bkBundleDir.sh

   1 #!/bin/bash
   2 # Desc: Creates git bundles from git repos in current working directory,
   3 #   saving them to $outDir.
   4 # Usage: bkBundleDir.sh
   5 # Output: .bundle files in ./archive/ directory.
   6
   7 #==BEGIN Define functions==
   8 yell() { echo "$0: $*" >&2; } # Yell, Die, Try Three-Fingered Claw technique; # Ref/Attrib: https://stackoverflow.com/a/25515370
   9 die() { yell "$*"; exit 111; }
  10 try() { "$@" || die "cannot $*"; }
  11 dateTimeShort(){
  12     # Desc: Timestamp without separators (YYYYmmddTHHMMSS+zzzz)
  13     # Usage: dateTimeShort ([str date])
  14     # Version 1.1.1
  15     # Input: arg1: 'date'-parsable timestamp string (optional)
  16     # Output: stdout: timestamp (ISO-8601, no separators)
  17     # Depends: yell
  18     local argTime timeCurrent timeInput timeCurrentShort
  19
  20     argTime="$1";
  21     # Get Current Time
  22     timeCurrent="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
  23     # Decide to parse current or supplied date
  24     ## Check if time argument empty
  25     if [[ -z "$argTime" ]]; then
  26         ## T: Time argument empty, use current time
  27         timeInput="$timeCurrent";
  28     else
  29         ## F: Time argument exists, validate time
  30         if date --date="$argTime" 1>/dev/null 2>&1; then
  31             ### T: Time argument is valid; use it
  32             timeInput="$argTime";
  33         else
  34             ### F: Time argument not valid; exit
  35             yell "ERROR:Invalid time argument supplied. Exiting."; exit 1;
  36         fi
  37     fi
  38     # Construct and deliver separator-les date string
  39     timeCurrentShort="$(date -d "$timeInput" +%Y%m%dT%H%M%S%z)";
  40     echo "$timeCurrentShort";
  41 } # Get YYYYmmddTHHMMSS±zzzz
  42 #==END Define functions==
  43
  44
  45 #==BEGIN Define static vars==
  46 scriptStartDir="$(pwd)"; # Note current working directory (where git repos should be located)
  47 outDir="$scriptStartDir/archive/"; # Specify where .bundle files should be written
  48 #==END Define static vars==
  49
  50
  51 #==BEGIN Create Git Bundles==
  52 #===BEGIN Create output dir if necessary===
  53 if [ ! -d "$outDir" ]; then
  54     mkdir -p "$outDir";
  55     yell "STATUS:Created output directory for bundles:$outDir";
  56 fi;
  57 #===END Create output dir if necessary===
  58
  59
  60 #===BEGIN Loop through dirs===
  61 for dir in ./*/ ; do  # cycle through dirs
  62     (
  63         pushd "$dir" 1>/dev/null 2>&1; # Enter dir
  64         if [ -d ./.git ]; # Check if git repo by seeing if `.git` subdir exists.
  65         then
  66             yell "DEBUG:========================";
  67             yell "DEBUG:dir:$dir";
  68             dirName="$(basename "$dir")";
  69             yell "DEBUG:dirName:$dirName";
  70             #git status -s;
  71             outFileName="$(dateTimeShort)".."$dirName".bundle;
  72             yell "DEBUG:outFileName:$outFileName";
  73             outFilePath="$outDir""$outFileName";
  74             yell "DEBUG:outFileName:$outFilePath";
  75             git bundle create "$outFilePath" --all;
  76             if [ $? -eq 0 ]; then yell "STATUS:git bundle created at:$outFilePath"; fi;
  77         else
  78             yell "ERR:No .git dir: "$(pwd)
  79         fi;
  80         popd 1>/dev/null 2>&1;
  81     );
  82 done
  83 #===END Loop through dirs===
  84 #==END Create Git Bundles==