From 82b2a20225c9c0fe6405f845f7da5ab3ca1dec3f Mon Sep 17 00:00:00 2001
From: Bdale Garbee <bdale@gag.com>
Date: Sat, 23 Dec 2017 19:31:42 -0700
Subject: [PATCH] patch from Ben Wong to fix zgrep handling of filenames
 starting in 'binary'

---
 debian/changelog                       |  8 ++++++++
 debian/patches/series                  |  1 +
 debian/patches/zgrep-syntax-error.diff | 13 +++++++++++++
 zgrep.in                               |  2 +-
 4 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 debian/patches/zgrep-syntax-error.diff

diff --git a/debian/changelog b/debian/changelog
index 7a24627..5749aee 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+gzip (1.8-2) UNRELEASED; urgency=medium
+
+  * patch from Ben Wong that fixes zgrep failure on filenames starting with
+    'binary' due to missing dashes in an option detection pattern match,
+    closes: #854878
+
+ -- Bdale Garbee <bdale@gag.com>  Sat, 23 Dec 2017 19:29:22 -0700
+
 gzip (1.8-1) unstable; urgency=low
 
   * new upstream version, closes: #855839
diff --git a/debian/patches/series b/debian/patches/series
index 429ab93..34fccc8 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,2 +1,3 @@
 sigpipe.diff
 gzip_reproducible_build.diff
+zgrep-syntax-error.diff
diff --git a/debian/patches/zgrep-syntax-error.diff b/debian/patches/zgrep-syntax-error.diff
new file mode 100644
index 0000000..104da7e
--- /dev/null
+++ b/debian/patches/zgrep-syntax-error.diff
@@ -0,0 +1,13 @@
+diff --git a/zgrep.in b/zgrep.in
+index 7ce45ae..30ee129 100644
+--- a/zgrep.in
++++ b/zgrep.in
+@@ -69,7 +69,7 @@ while test $# -ne 0; do
+     option=$(expr "X$option" : 'X\(-.[0-9]*\)');;
+   (--binary-*=* | --[lm]a*=* | --reg*=*)
+     ;;
+-  (-[ABCDXdefm] | binary-* | --file | --[lm]a* | --reg*)
++  (-[ABCDXdefm] | --binary-* | --file | --[lm]a* | --reg*)
+     case ${1?"$option option requires an argument"} in
+     (*\'*)
+       optarg=" '"$(printf '%s\n' "$1" | sed "$escape");;
diff --git a/zgrep.in b/zgrep.in
index 7ce45ae..30ee129 100644
--- a/zgrep.in
+++ b/zgrep.in
@@ -69,7 +69,7 @@ while test $# -ne 0; do
     option=$(expr "X$option" : 'X\(-.[0-9]*\)');;
   (--binary-*=* | --[lm]a*=* | --reg*=*)
     ;;
-  (-[ABCDXdefm] | binary-* | --file | --[lm]a* | --reg*)
+  (-[ABCDXdefm] | --binary-* | --file | --[lm]a* | --reg*)
     case ${1?"$option option requires an argument"} in
     (*\'*)
       optarg=" '"$(printf '%s\n' "$1" | sed "$escape");;
-- 
2.30.2