From: Per Cederqvist <ced...@opera.com>
Date: Wed, 14 Mar 2012 14:34:38 +0100
Fix the compatibility function sha1 so that it reads from
stdin (and not a file with a zero-length file name) when
no argument is supplied.
[jn: adapted to also handle newer versions of OpenSSL,
based on reports from Andreas Schwab and John Szakmeister.
$ openssl dgst -sha1</dev/null
da39a3ee5e6b4b0d3255bfef95601890afd80709
$ openssl version
OpenSSL 0.9.8o 01 Jun 2010
$ openssl dgst -sha1 </dev/null
(stdin)= da39a3ee5e6b4b0d3255bfef95601890afd80709
$ openssl version
OpenSSL 1.0.0d 8 Feb 2011
]
Signed-off-by: Per Cederqvist <ced...@opera.com>
Signed-off-by: Jonathan Nieder <jrnie...@gmail.com>
---
os.Darwin | 7 ++++++-
os.Linux | 7 ++++++-
os.SunOS | 7 ++++++-
3 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/os.Darwin b/os.Darwin
index 470f5fb..3f23121 100644
--- a/os.Darwin
+++ b/os.Darwin
@@ -27,7 +27,12 @@ head_n()
# usage: sha1 [file]
sha1()
{
- openssl dgst -sha1 "$1" | sed "s,SHA1.\(.*\).= \(.*\),\2 \1,"
+ if [ $# = 1 ]
+ then
+ openssl dgst -sha1 "$1" | sed "s,SHA1.\(.*\).= \(.*\),\2 \1,"
+ else
+ openssl dgst -sha1 | sed 's,\(.*= \)*\(.*\),\2 -,'
+ fi
}
# usage: cp_a <src> <dst>
diff --git a/os.Linux b/os.Linux
index 30b9cb0..aaebf88 100644
--- a/os.Linux
+++ b/os.Linux
@@ -30,7 +30,12 @@ head_n()
# usage: sha1 [file]
sha1()
{
- sha1sum "$1"
+ if [ $# = 1 ]
+ then
+ sha1sum "$1"
+ else
+ sha1sum
+ fi
}
# usage: cp_a <src> <dst>
diff --git a/os.SunOS b/os.SunOS
index 30b9cb0..aaebf88 100644
--- a/os.SunOS
+++ b/os.SunOS
@@ -30,7 +30,12 @@ head_n()
# usage: sha1 [file]
sha1()
{
- sha1sum "$1"
+ if [ $# = 1 ]
+ then
+ sha1sum "$1"
+ else
+ sha1sum
+ fi
}
# usage: cp_a <src> <dst>
--
1.8.1
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