homebrew-core/Formula/sqoop.rb
2016-10-15 12:16:06 +01:00

1270 lines
36 KiB
Ruby

class Sqoop < Formula
desc "Transfer bulk data between Hadoop and structured datastores"
homepage "https://sqoop.apache.org/"
url "https://www.apache.org/dyn/closer.cgi?path=sqoop/1.4.6/sqoop-1.4.6.bin__hadoop-2.0.4-alpha.tar.gz"
version "1.4.6"
sha256 "d582e7968c24ff040365ec49764531cb76dfa22c38add5f57a16a57e70d5d496"
bottle :unneeded
depends_on :java => "1.6+"
depends_on "hadoop"
depends_on "hbase"
depends_on "hive"
depends_on "zookeeper"
depends_on "coreutils"
# Patch for readlink -f missing on macOS. Should be fixed in 1.4.7.
# https://issues.apache.org/jira/browse/SQOOP-2531
patch :DATA
def sqoop_envs
<<-EOS.undent
export HADOOP_HOME="#{HOMEBREW_PREFIX}"
export HBASE_HOME="#{HOMEBREW_PREFIX}"
export HIVE_HOME="#{HOMEBREW_PREFIX}"
export ZOOCFGDIR="#{etc}/zookeeper"
EOS
end
def install
libexec.install %w[bin conf lib]
libexec.install Dir["*.jar"]
bin.install Dir["#{libexec}/bin/*"]
bin.env_script_all_files(libexec/"bin", Language::Java.java_home_env("1.6+"))
# Install a sqoop-env.sh file
envs = libexec/"conf/sqoop-env.sh"
envs.write(sqoop_envs) unless envs.exist?
end
def caveats; <<-EOS.undent
Hadoop, Hive, HBase and ZooKeeper must be installed and configured
for Sqoop to work.
EOS
end
test do
assert_match /#{version}/, shell_output("#{bin}/sqoop version")
end
end
__END__
diff --git a/bin/sqoop-codegen b/bin/sqoop-codegen
index 11a7ead..c24da32 100755
--- a/bin/sqoop-codegen
+++ b/bin/sqoop-codegen
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-create-hive-table b/bin/sqoop-create-hive-table
index 9380de4..316411a 100755
--- a/bin/sqoop-create-hive-table
+++ b/bin/sqoop-create-hive-table
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-eval b/bin/sqoop-eval
index a7b70c0..cc3f6a3 100755
--- a/bin/sqoop-eval
+++ b/bin/sqoop-eval
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-export b/bin/sqoop-export
index 3df45e3..4a3b3cf 100755
--- a/bin/sqoop-export
+++ b/bin/sqoop-export
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-help b/bin/sqoop-help
index ae4ee46..53ead16 100755
--- a/bin/sqoop-help
+++ b/bin/sqoop-help
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-import b/bin/sqoop-import
index d283395..21afee2 100755
--- a/bin/sqoop-import
+++ b/bin/sqoop-import
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-import-all-tables b/bin/sqoop-import-all-tables
index 8eb3fe4..4de0e31 100755
--- a/bin/sqoop-import-all-tables
+++ b/bin/sqoop-import-all-tables
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-import-mainframe b/bin/sqoop-import-mainframe
index 26a8c1e..ed74b84 100755
--- a/bin/sqoop-import-mainframe
+++ b/bin/sqoop-import-mainframe
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-job b/bin/sqoop-job
index 90d5772..fc817c3 100755
--- a/bin/sqoop-job
+++ b/bin/sqoop-job
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-list-databases b/bin/sqoop-list-databases
index 3428a3d..a373880 100755
--- a/bin/sqoop-list-databases
+++ b/bin/sqoop-list-databases
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-list-tables b/bin/sqoop-list-tables
index 393567c..0ab6849 100755
--- a/bin/sqoop-list-tables
+++ b/bin/sqoop-list-tables
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-merge b/bin/sqoop-merge
index e600e1f..e621917 100755
--- a/bin/sqoop-merge
+++ b/bin/sqoop-merge
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-metastore b/bin/sqoop-metastore
index 7c8a989..3448bcc 100755
--- a/bin/sqoop-metastore
+++ b/bin/sqoop-metastore
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`
diff --git a/bin/sqoop-version b/bin/sqoop-version
index d047309..db32c43 100755
--- a/bin/sqoop-version
+++ b/bin/sqoop-version
@@ -19,7 +19,81 @@
# specific language governing permissions and limitations
# under the License.
-prgm=`readlink -f $0`
+follow_one() {
+ # Resolve symlinks and relative path components along a path. This requires
+ # its argument to be an absolute path. This does not recursively re-resolve
+ # symlinks; if that is required, use the 'follow' method.
+
+ target=$1
+ OIFS=$IFS
+ IFS='/'
+
+ # Taking each dir component along the way, build up a new target directory,
+ # resolving '.', '..', and symlinks.
+ newtarget=''
+ for part in ${target}; do
+ if [ -z "${part}" ]; then
+ continue # Empty dir part. 'foo//bar'
+ elif [ "." == "${part}" ]; then
+ continue # Nothing special to do for '.'
+ elif [ ".." == "${part}" ]; then
+ IFS=$OIFS
+ newtarget=`dirname ${newtarget}` # pop a component.
+ elif [ -h "${newtarget}/${part}" ]; then
+ IFS=$OIFS
+ link=`readlink ${newtarget}/${part}`
+ # links can be relative or absolute. Relative ones get appended to
+ # newtarget; absolute ones replace it.
+ if [ "${link:0:1}" != "/" ]; then
+ newtarget="${newtarget}/${link}" # relative
+ else
+ newtarget="${link}" # absolute
+ fi
+ else # Regular file component.
+ newtarget="${newtarget}/${part}"
+ fi
+ IFS='/'
+ done
+
+ IFS=$OIFS
+ echo $newtarget
+}
+
+follow() {
+ # Portable 'readlink -f' function to follow a file's links to the final
+ # target. Calls follow_one recursively til we're finished tracing symlinks.
+
+ target=$1
+ depth=$2
+
+ if [ -z "$depth" ]; then
+ depth=0
+ elif [ "$depth" == "1000" ]; then
+ # Don't recurse indefinitely; we've probably hit a symlink cycle.
+ # Just bail out here.
+ echo $target
+ return 1
+ fi
+
+ # Canonicalize the target to be an absolute path.
+ targetdir=`dirname ${target}`
+ targetdir=`cd ${targetdir} && pwd`
+ target=${targetdir}/`basename ${target}`
+
+ # Use follow_one to resolve links. Test that we get the same result twice,
+ # to terminate iteration.
+ first=`follow_one ${target}`
+ second=`follow_one ${first}`
+ if [ "${first}" == "${second}" ]; then
+ # We're done.
+ echo "${second}"
+ else
+ # Need to continue resolving links.
+ echo `follow ${second} $(( $depth + 1 ))`
+ fi
+}
+
+prgm=`follow $0`
bin=`dirname ${prgm}`
bin=`cd ${bin} && pwd`