[hadoop] branch trunk updated: HADOOP-16167. Fixed Hadoop shell script for Ubuntu 18. Contributed by Daniel Templeton

[ey...@apache.org]

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eyang pushed a commit to branch trunk
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The following commit(s) were added to refs/heads/trunk by this push:
     new 5446e3c  HADOOP-16167.  Fixed Hadoop shell script for Ubuntu 18.                Contributed by Daniel Templeton
5446e3c is described below

commit 5446e3cb8a4d9b6aa517fc8437ba194a9ae9b193
Author: Eric Yang <ey...@apache.org>
AuthorDate: Mon Mar 18 13:04:49 2019 -0400

    HADOOP-16167.  Fixed Hadoop shell script for Ubuntu 18.
                   Contributed by Daniel Templeton
---
 .../hadoop-common/src/main/bin/hadoop-functions.sh           | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
index 71ba7ff..e291a9b 100755
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
@@ -2364,6 +2364,10 @@ function hadoop_verify_user_perm
   declare command=$2
   declare uvar
 
+  if [[ ${command} =~ \. ]]; then
+    return 1
+  fi
+
   uvar=$(hadoop_build_custom_subcmd_var "${program}" "${command}" USER)
 
   if [[ -n ${!uvar} ]]; then
@@ -2395,6 +2399,10 @@ function hadoop_need_reexec
     return 1
   fi
 
+  if [[ ${command} =~ \. ]]; then
+    return 1
+  fi
+
   # if we have privilege, and the _USER is defined, and _USER is
   # set to someone who isn't us, then yes, we should re-exec.
   # otherwise no, don't re-exec and let the system deal with it.
@@ -2431,6 +2439,10 @@ function hadoop_subcommand_opts
     return 1
   fi
 
+  if [[ ${command} =~ \. ]]; then
+    return 1
+  fi
+
   # bash 4 and up have built-in ways to upper and lower
   # case the contents of vars.  This is faster than
   # calling tr.


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