From 1a1b11f4304dc7b9e3e9e86ac8680d9997fc01ff Mon Sep 17 00:00:00 2001
From: Radu Ciorba <radu@devrandom.ro>
Date: Sat, 12 Aug 2017 01:25:16 +0300
Subject: suggest the correct activate script based on parent process command

Looks at parent process command and suggests sourcing the appropriate
activate script for fish and csh.

fixes #224
---
 kerl | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/kerl b/kerl
index b292ea3..9e9d55c 100755
--- a/kerl
+++ b/kerl
@@ -932,8 +932,23 @@ ACTIVATE_CSH
         build_plt "$absdir"
     fi
 
+    PID=$$
+    PPID=$(ps -p $PID -o ppid | grep -E "[0-9]+" -o)
+    PARENT_CMD=$(ps -p $PPID -o comm | tail -n 1)
+    case "$PARENT_CMD" in
+        fish)
+            SHELL_SUFFIX=".fish"
+            ;;
+        csh)
+            SHELL_SUFFIX=".csh"
+            ;;
+        *)
+            SHELL_SUFFIX=""
+            ;;
+    esac
+
     echo "You can activate this installation running the following command:"
-    echo ". $absdir/activate"
+    echo ". ${absdir}/activate${SHELL_SUFFIX}"
     echo "Later on, you can leave the installation typing:"
     echo "kerl_deactivate"
 }
-- 
cgit v1.2.3


From 69d3c0f1f24d58b3a7327ce15ba1e23e8a01e3f3 Mon Sep 17 00:00:00 2001
From: Radu Ciorba <radu@devrandom.ro>
Date: Sat, 12 Aug 2017 02:21:27 +0300
Subject: avoid PPID since it's used and readonly on mac + use ps -o ucomm

PPID variable already used and readonly on Mac.
ps's output flag comm is not consistent between Mac and Linux+FreeBDS, but ucomm seems to work everywhere
---
 kerl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kerl b/kerl
index 9e9d55c..034c341 100755
--- a/kerl
+++ b/kerl
@@ -933,8 +933,8 @@ ACTIVATE_CSH
     fi
 
     PID=$$
-    PPID=$(ps -p $PID -o ppid | grep -E "[0-9]+" -o)
-    PARENT_CMD=$(ps -p $PPID -o comm | tail -n 1)
+    PARENT_PID=$(ps -p $PID -o ppid | grep -E "[0-9]+" -o)
+    PARENT_CMD=$(ps -p $PARENT_PID -o ucomm | tail -n 1)
     case "$PARENT_CMD" in
         fish)
             SHELL_SUFFIX=".fish"
-- 
cgit v1.2.3