[GNUnet-SVN] [taler-wallet-core] branch master updated: configure: test for yarn help result containing "No such file" etc, so that we can catch the yarn possibly installed by cmdtest.

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ng0 pushed a commit to branch master
in repository wallet-core.

The following commit(s) were added to refs/heads/master by this push:
     new 04047596 configure: test for yarn help result containing "No such 
file" etc, so that we can catch the yarn possibly installed by cmdtest.
04047596 is described below

commit 040475967c22b01e6d553143c54d8babdb686081
Author: ng0 <address@hidden>
AuthorDate: Tue Oct 1 16:48:23 2019 +0000

    configure: test for yarn help result containing "No such file" etc,
    so that we can catch the yarn possibly installed by cmdtest.
    
    This can lead to issues, and I don't understand why apt and maybe
    other PMs allow namespace collisions, or resolve them in a way
    which allows this to happen.
---
 configure | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/configure b/configure
index 812d0460..ab64c25c 100755
--- a/configure
+++ b/configure
@@ -83,11 +83,23 @@ else
     #echo "Using node ${node_version}"
     if ! node -p 'process.exit(!(/v([0-9]+)/.exec(process.version)[1] >= 4))'; 
then
         echo 'Your node version is too old, use Node 4.x or newer'
+        exit 1
     fi
 fi
 
 if ! existence yarn; then
     echo 'ERROR: yarn missing. See https://yarnpkg.com/en/docs/install'
+    exit 1
+fi
+
+if existence cmdtest; then
+    if yarn help | grep "No such file or directory"; then
+        echo "ERROR: wrong yarn binary installed, please remove the"
+        echo "ERROR: conflicting binary before continuing."
+        exit 1
+    fi
+    echo "WARNING: cmdtest is installed, this can lead to known issues"
+    echo "WARNING: with yarn."
 fi
 
 # for the weird systems and sandboxes, only as a anotice.

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