CraigsOverItAll · October 11, 2018 04:49
diff --git a/XcodeVersion b/XcodeVersion
 #!/bin/sh
 # Generates a version and build numbers from repository tags starting with a 'v' e.g. v1.0.3
 # and commit counts

 # Colors for output
 p="\033[38;5;208m"
 g="\033[38;5;7m"
 a="\033[38;5;10m"
 # Colour end
 e="\033[0;00m"


 # Get our v9.9 format tags (note the period in the 2nd+ sequences allows for 
 # primary version numbers > 9, ie. 10.1 will match )
 vTags=$(git tag -l --sort=-v:refname "v[0123456789][.0123456789][.0123456789]*")
 IFS="\n" read -ra vTagsArray <<< $vTags
 rawVersionTag=${vTagsArray[0]}
 version=${rawVersionTag:1}

 # Nicely --count will return a big fat zero if we are on the tag YAY!!
 iosBuildNumber=$(git rev-list $rawVersionTag..HEAD --count)
 let iosBuildNumber+=1
 macBuildNumber=$(git rev-list --count HEAD)

 # The short form of the current hash
 gitHash=$(git show -s --format=%h)

 # Is this repo "dirty"
 function parse_git_dirty {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit, working tree clean" ]] && echo "-dirty"
 }
 # Maybe store '-dirty' in our dirty var
 dirty=$(parse_git_dirty)

 # Finally lets do some output
 if [ -z $1 ] || [ $1 == "-v" ]
 then
  output=$version
 elif [ $1 == "-b" ]
 then
  output=$iosBuildNumber
 elif [ $1 == "-mb" ]
 then
  output=$macBuildNumber
 elif [ $1 == "-h" ]
 then
  output=$gitHash
 else
  echo $g"Usage:"$e"  XcodeVersion "$a"[-b] [-mb] [-h] [-v] [--dirty]"$e
  echo "\tReturns the last git version tag (format v99.99.99) stripped of the"
  echo "\tleading 'v', e.g. if the tag is 'v1.2.3' it will return '1.2.3'"
  echo
  echo "Options:"
  echo "\t-b\tReturns a pseudo build number (based on the number of commits"
  echo "\t\tsince the last version tag + 1)"
  echo
  echo "\t-mb\tReturns a pseudo Mac build number (based on the total number of"
  echo "\t\tcommits in the repository)"
  echo
  echo "\t-h\tReturns the short hash of the current commit"
  echo
  echo "\t-v\tReturns the version number. Only required if '-dirty' should be"
  echo "\t\tappended to the version string."
  echo
  echo "\t--dirty\tReturn value will have '-dirty' appended if the repository has"
  echo "\t\tuncommitted changes."
  echo
  echo "\t--help\tor any unknown option shows this usage output."
  echo
  echo "Examples:"
  echo $g"\tXcodeVersion"$e
  echo "\t1.2.3 "$g"\t\t=> returns the last version tag found stripped of the"
  echo "\t\t\t   leading 'v', in this example the tag would be: "$p"v1.2.3"$e
  echo
  echo $g"\tXcodeVersion"$a" -b"$e"\n\t13 "$g"\t\t=> returns number of commits after the version tag + 1"
  echo
  echo $g"\tXcodeVersion"$a" -mb"$e"\n\t146"$g"\t\t=> returns 'approximately' total number of commits in"
  echo "\t\t\t   the repository since inception. Due to branches etc,"
  echo "\t\t\t   the number is only approximate, but it should only"
  echo "\t\t\t   increase unless a rollback of the repository occurs."
  echo
  echo "\t\t\t=> Used for macOS build numbers which must monotonically"
  echo "\t\t\t   increase, see Apple Technical Note TN2420"
  echo
  echo "\tXcodeVersion"$a" -h"$e
  echo "\td8452af "$g"\t=> returns the short hash form of the last commit"$e
  echo ""
 fi

 # Append the dirty if requested
 if [[ -n $2 && $2 == "--dirty" ]]
 then
  output+=$dirty
 fi

 echo $output
	#!/bin/sh
	# Generates a version and build numbers from repository tags starting with a 'v' e.g. v1.0.3
	# and commit counts

	# Colors for output
	p="\033[38;5;208m"
	g="\033[38;5;7m"
	a="\033[38;5;10m"
	# Colour end
	e="\033[0;00m"


	# Get our v9.9 format tags (note the period in the 2nd+ sequences allows for
	# primary version numbers > 9, ie. 10.1 will match )
	vTags=$(git tag -l --sort=-v:refname "v[0123456789][.0123456789][.0123456789]*")
	IFS="\n" read -ra vTagsArray <<< $vTags
	rawVersionTag=${vTagsArray[0]}
	version=${rawVersionTag:1}

	# Nicely --count will return a big fat zero if we are on the tag YAY!!
	iosBuildNumber=$(git rev-list $rawVersionTag..HEAD --count)
	let iosBuildNumber+=1
	macBuildNumber=$(git rev-list --count HEAD)

	# The short form of the current hash
	gitHash=$(git show -s --format=%h)

	# Is this repo "dirty"
	function parse_git_dirty {
	[[ $(git status 2> /dev/null \| tail -n1) != "nothing to commit, working tree clean" ]] && echo "-dirty"
	}
	# Maybe store '-dirty' in our dirty var
	dirty=$(parse_git_dirty)

	# Finally lets do some output
	if [ -z $1 ] \|\| [ $1 == "-v" ]
	then
	output=$version
	elif [ $1 == "-b" ]
	then
	output=$iosBuildNumber
	elif [ $1 == "-mb" ]
	then
	output=$macBuildNumber
	elif [ $1 == "-h" ]
	then
	output=$gitHash
	else
	echo $g"Usage:"$e" XcodeVersion "$a"[-b] [-mb] [-h] [-v] [--dirty]"$e
	echo "\tReturns the last git version tag (format v99.99.99) stripped of the"
	echo "\tleading 'v', e.g. if the tag is 'v1.2.3' it will return '1.2.3'"
	echo
	echo "Options:"
	echo "\t-b\tReturns a pseudo build number (based on the number of commits"
	echo "\t\tsince the last version tag + 1)"
	echo
	echo "\t-mb\tReturns a pseudo Mac build number (based on the total number of"
	echo "\t\tcommits in the repository)"
	echo
	echo "\t-h\tReturns the short hash of the current commit"
	echo
	echo "\t-v\tReturns the version number. Only required if '-dirty' should be"
	echo "\t\tappended to the version string."
	echo
	echo "\t--dirty\tReturn value will have '-dirty' appended if the repository has"
	echo "\t\tuncommitted changes."
	echo
	echo "\t--help\tor any unknown option shows this usage output."
	echo
	echo "Examples:"
	echo $g"\tXcodeVersion"$e
	echo "\t1.2.3 "$g"\t\t=> returns the last version tag found stripped of the"
	echo "\t\t\t leading 'v', in this example the tag would be: "$p"v1.2.3"$e
	echo
	echo $g"\tXcodeVersion"$a" -b"$e"\n\t13 "$g"\t\t=> returns number of commits after the version tag + 1"
	echo
	echo $g"\tXcodeVersion"$a" -mb"$e"\n\t146"$g"\t\t=> returns 'approximately' total number of commits in"
	echo "\t\t\t the repository since inception. Due to branches etc,"
	echo "\t\t\t the number is only approximate, but it should only"
	echo "\t\t\t increase unless a rollback of the repository occurs."
	echo
	echo "\t\t\t=> Used for macOS build numbers which must monotonically"
	echo "\t\t\t increase, see Apple Technical Note TN2420"
	echo
	echo "\tXcodeVersion"$a" -h"$e
	echo "\td8452af "$g"\t=> returns the short hash form of the last commit"$e
	echo ""
	fi

	# Append the dirty if requested
	if [[ -n $2 && $2 == "--dirty" ]]
	then
	output+=$dirty
	fi

	echo $output