Bug 1372700

Summary: fix "scl enable" usage in shebang lines
Product: Red Hat Enterprise Linux 7 Reporter: Joe Orton <jorton>
Component: scl-utilsAssignee: Packaging Maintenance Team <packaging-team-maint>
Status: CLOSED CURRENTRELEASE QA Contact: Lukáš Zachar <lzachar>
Severity: urgent Docs Contact:
Priority: urgent    
Version: 7.3CC: bgollahe, dbodnarc, drieden, jorton, jreznik, lzachar, mkolaja, packaging-team-maint, pviktori, qe-baseos-apps, sauchter, toneata, torsava
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1371936
: 1413039 1478432 1478433 (view as bug list) Environment:
Last Closed: 2018-04-11 10:10:30 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On:    
Bug Blocks: 949833, 1385471, 1390495, 1413039, 1478432, 1478433    

Description Joe Orton 2016-09-02 12:24:05 UTC 
+++ This bug was initially created as a clone of Bug #1371936 +++

Description of problem:
"scl enable" does not work from #! line of scripts.

scl-utils v2 contains a special case which allows correct interpretation of the argv line when scl is enabled from a shebang line.  Without this, it's impossible to use python (etc) interpreters directly from RHSCL.

Version-Release number of selected component (if applicable):
scl-utils-20120927-23.el6_6.x86_64

How reproducible:
always

Steps to Reproduce:
1. cat > wrapper <<EOF
#!/usr/bin/scl enable python33 -- python
print('Hello, Brave New World.')
$ bin/fish
Hello, Brave New World.
2. chmod +x wrapper
3. ./wrapper

Actual results:
fails

Expected results:
works

Additional info:

--- Additional comment from Joe Orton on 2016-08-31 15:34:24 BST ---

Corrected repro steps:

Steps to Reproduce:
1. cat > wrapper <<EOF
#!/usr/bin/scl enable python33 -- python
print('Hello, Brave New World.')
EOF
2. chmod +x wrapper
3. ./wrapper
Comment 4 Joe Orton 2017-01-13 12:56:40 UTC 
*** Bug 1369788 has been marked as a duplicate of this bug. ***