xenoscopic · April 28, 2017 19:35 · behcet · Dec 24, 2016
diff --git a/blog-semver b/blog-semver
 http://havoc.io/blog/post/comparing-program-versions-in-posix-shell
diff --git a/git-min.sh b/git-min.sh
 # Check that the version of Git installed is supported
 GIT_VERSION=$(git --version | cut -d ' ' -f3)
 MIN_GIT_VERSION="1.7.6"
 LOWEST_GIT_VERSION=$(printf "$GIT_VERSION\n$MIN_GIT_VERSION" \
                     | sort -t "." -n -k1,1 -k2,2 -k3,3 -k4,4 \
                     | head -n 1)
 if [ "$LOWEST_GIT_VERSION" != "$MIN_GIT_VERSION" ]; then
  echo "error: Git version ($GIT_VERSION) too old, need $MIN_GIT_VERSION+"
  exit 1
 fi
diff --git a/git-version-long.sh b/git-version-long.sh
 $ git --version
 git version 1.8.5.2 (Apple Git-48)
diff --git a/git-version-trim.sh b/git-version-trim.sh
 $ git --version | cut -d ' ' -f3
 1.9.2
diff --git a/git-version.sh b/git-version.sh
 $ git --version
 git version 1.9.2
diff --git a/lexical-compare-fail.sh b/lexical-compare-fail.sh
 $ test '1.9.2' \< '1.9.12'
 $ echo $?
 1 # Comparison was false
diff --git a/lexical-compare.sh b/lexical-compare.sh
 $ test '1.9.2' \< '1.9.3'
 $ echo $?
 0 # Comparison was true
diff --git a/version-sort.sh b/version-sort.sh
 sort -t "." -n -k1,1 -k2,2 -k3,3 -k4,4
	# Check that the version of Git installed is supported
	GIT_VERSION=$(git --version \| cut -d ' ' -f3)
	MIN_GIT_VERSION="1.7.6"
	LOWEST_GIT_VERSION=$(printf "$GIT_VERSION\n$MIN_GIT_VERSION" \
	\| sort -t "." -n -k1,1 -k2,2 -k3,3 -k4,4 \
	\| head -n 1)
	if [ "$LOWEST_GIT_VERSION" != "$MIN_GIT_VERSION" ]; then
	echo "error: Git version ($GIT_VERSION) too old, need $MIN_GIT_VERSION+"
	exit 1
	fi