The valid_patchname now lets "git check-ref-format" do its job instead
of trying (and failing) to implement the same rules.  See
git-check-ref-format(1) for a list of the rules.  Re-implement rules
added to "git check-ref-format" after Git 1.5.0, so that guilt rejects
the same names no matter what version of Git we are using (but
versions prior to 1.5.0 are not supported).

Refer to the git-check-ref-format(1) man page in the error messages
produced when valid_patchname indicates that the name is bad.

Added testcases that breaks most of the rules in that man-page.

Signed-off-by: Per Cederqvist <ced...@opera.com>
---
 guilt                |  46 +++++-
 guilt-fork           |   2 +-
 guilt-import         |   2 +-
 guilt-new            |   2 +-
 regression/t-025.out | 426 +++++++++++++++++++++++++++++++++++++++++++++++++--
 regression/t-025.sh  |  12 +-
 regression/t-032.out |   4 +-
 7 files changed, 474 insertions(+), 20 deletions(-)

diff --git a/guilt b/guilt
index 3fc524e..9567a78 100755
--- a/guilt
+++ b/guilt
@@ -132,14 +132,50 @@ fi
 # usage: valid_patchname <patchname>
 valid_patchname()
 {
+       # Once we only support Git 1.7.8 and newer, the command below
+       # could be replaced with:
+       #
+       #     git check-ref-format --allow-onelevel "$1"
+       #
+       # Instead, we arbitrarily prepend one level.  The result
+       # should be the same, and this is portable to all existing
+       # versions of Git.
+       git check-ref-format a/"$1"
+       if [ $? -ne 0 ]; then
+               return 1
+       fi
+
+       # We want to reject all names that Git 2.0.0 rejects.  In case
+       # we are running an older version, we explicitly check some
+       # cases that were added to Git after version 1.5.0.  This code
+       # aims to support Git version 1.5.0 and newer.
+
+       # Git 1.7.6.4 and newer rejects the DEL character.
+       if [ `echo "$1"|tr -d '\177'` != "$1" ]; then
+               return 1
+       fi
+
+       # Git 1.7.8 and newer rejects refs that start or end with
+       # slash or contain multiple adjacent slashes.
        case "$1" in
-               /*|./*|../*|*/./*|*/../*|*/.|*/..|*/|*\ *|*\    *)
+               /*|*/|*//*)
                        return 1;;
-               *:*)
-                       return 1;;
-               *)
-                       return 0;;
        esac
+
+       # Git 1.7.8 and newer rejects refname components that end in
+       # .lock.
+       case "$1" in
+               *.lock/*|*.lock)
+                       return 1;;
+       esac
+
+       # Git 1.8.5 and newer rejects refnames that are made up of the
+       # single character "@".
+       if [ "$1" = "@" ]; then
+               return 1
+       fi
+
+       return 0
 }
 
 get_branch()
diff --git a/guilt-fork b/guilt-fork
index a85d391..6447e55 100755
--- a/guilt-fork
+++ b/guilt-fork
@@ -37,7 +37,7 @@ else
 fi
 
 if ! valid_patchname "$newpatch"; then
-       die "The specified patch name contains invalid characters (:)."
+       die "The specified patch name is invalid according to 
git-check-ref-format(1)."
 fi
 
 if [ -e "$GUILT_DIR/$branch/$newpatch" ]; then
diff --git a/guilt-import b/guilt-import
index 3e9b3bb..928e325 100755
--- a/guilt-import
+++ b/guilt-import
@@ -40,7 +40,7 @@ if [ -e "$GUILT_DIR/$branch/$newname" ]; then
 fi
 
 if ! valid_patchname "$newname"; then
-       die "The specified patch name contains invalid characters (:)."
+       die "The specified patch name is invalid according to 
git-check-ref-format(1)."
 fi
 
 # create any directories as needed
diff --git a/guilt-new b/guilt-new
index 9528438..9f7fa44 100755
--- a/guilt-new
+++ b/guilt-new
@@ -64,7 +64,7 @@ fi
 
 if ! valid_patchname "$patch"; then
        disp "Patchname is invalid." >&2
-       die "it cannot begin with '/', './' or '../', or contain /./, /../, or 
whitespace"
+       die "It must follow the rules in git-check-ref-format(1)."
 fi
 
 # create any directories as needed
diff --git a/regression/t-025.out b/regression/t-025.out
index 7811ab1..01bc406 100644
--- a/regression/t-025.out
+++ b/regression/t-025.out
@@ -141,7 +141,7 @@ f da39a3ee5e6b4b0d3255bfef95601890afd80709  
.git/patches/master/prepend
 r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
 % guilt new white space
 Patchname is invalid.
-it cannot begin with '/', './' or '../', or contain /./, /../, or whitespace
+It must follow the rules in git-check-ref-format(1).
 % list_files
 d .git/patches
 d .git/patches/master
@@ -211,7 +211,7 @@ f da39a3ee5e6b4b0d3255bfef95601890afd80709  
.git/patches/master/prepend
 r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
 % guilt new /abc
 Patchname is invalid.
-it cannot begin with '/', './' or '../', or contain /./, /../, or whitespace
+It must follow the rules in git-check-ref-format(1).
 % list_files
 d .git/patches
 d .git/patches/master
@@ -235,7 +235,7 @@ f da39a3ee5e6b4b0d3255bfef95601890afd80709  
.git/patches/master/prepend
 r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
 % guilt new ./blah
 Patchname is invalid.
-it cannot begin with '/', './' or '../', or contain /./, /../, or whitespace
+It must follow the rules in git-check-ref-format(1).
 % list_files
 d .git/patches
 d .git/patches/master
@@ -259,7 +259,7 @@ f da39a3ee5e6b4b0d3255bfef95601890afd80709  
.git/patches/master/prepend
 r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
 % guilt new ../blah
 Patchname is invalid.
-it cannot begin with '/', './' or '../', or contain /./, /../, or whitespace
+It must follow the rules in git-check-ref-format(1).
 % list_files
 d .git/patches
 d .git/patches/master
@@ -283,7 +283,7 @@ f da39a3ee5e6b4b0d3255bfef95601890afd80709  
.git/patches/master/prepend
 r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
 % guilt new abc/./blah
 Patchname is invalid.
-it cannot begin with '/', './' or '../', or contain /./, /../, or whitespace
+It must follow the rules in git-check-ref-format(1).
 % list_files
 d .git/patches
 d .git/patches/master
@@ -307,7 +307,7 @@ f da39a3ee5e6b4b0d3255bfef95601890afd80709  
.git/patches/master/prepend
 r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
 % guilt new abc/../blah
 Patchname is invalid.
-it cannot begin with '/', './' or '../', or contain /./, /../, or whitespace
+It must follow the rules in git-check-ref-format(1).
 % list_files
 d .git/patches
 d .git/patches/master
@@ -331,7 +331,7 @@ f da39a3ee5e6b4b0d3255bfef95601890afd80709  
.git/patches/master/prepend
 r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
 % guilt new abc/.
 Patchname is invalid.
-it cannot begin with '/', './' or '../', or contain /./, /../, or whitespace
+It must follow the rules in git-check-ref-format(1).
 % list_files
 d .git/patches
 d .git/patches/master
@@ -355,7 +355,7 @@ f da39a3ee5e6b4b0d3255bfef95601890afd80709  
.git/patches/master/prepend
 r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
 % guilt new abc/..
 Patchname is invalid.
-it cannot begin with '/', './' or '../', or contain /./, /../, or whitespace
+It must follow the rules in git-check-ref-format(1).
 % list_files
 d .git/patches
 d .git/patches/master
@@ -379,7 +379,415 @@ f da39a3ee5e6b4b0d3255bfef95601890afd80709  
.git/patches/master/prepend
 r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
 % guilt new abc/
 Patchname is invalid.
-it cannot begin with '/', './' or '../', or contain /./, /../, or whitespace
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new abc.lock
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new a/b.lock/c
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new cr
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new ctrl-a
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new formfeed
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new del
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new tilde~
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new caret^
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new colon:
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new questionmark?
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new asterisk*
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new open[bracket
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new consecutive//slashes
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new trailing-dot.
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new bad@{seq
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new @
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
+% list_files
+d .git/patches
+d .git/patches/master
+d .git/patches/master/dir
+d .git/patches/master/dir/subdir
+d .git/refs/patches
+d .git/refs/patches/master
+d .git/refs/patches/master/dir
+d .git/refs/patches/master/dir/subdir
+f 1ef04b4f4149870b3f06b5f99b9d9fc260cebc67  .git/patches/master/series
+f 22930c6d1f1938f298a4fca51c57e4b47171db21  .git/patches/master/mode
+f 413390f3906f16f30b054a4fb86c1e014b964504  .git/patches/master/remove
+f 7ce0ecd062afe46bf743d0d63dbe79e18774fe03  .git/patches/master/status
+f 9c18cc7abe6b87f18503714a80a677b4094eb457  .git/patches/master/add
+f bc9ab2e0f5db99d483961e956e814d963f0309f8  .git/patches/master/modify
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/append
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/dir/subdir/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/file
+f da39a3ee5e6b4b0d3255bfef95601890afd80709  .git/patches/master/prepend
+r acdeef96ee30eb34bbbf65d11de5cf7da4b5fee8  .git/refs/patches/master/prepend
+% guilt new backslash\
+Patchname is invalid.
+It must follow the rules in git-check-ref-format(1).
 % list_files
 d .git/patches
 d .git/patches/master
diff --git a/regression/t-025.sh b/regression/t-025.sh
index 985fed4..8c439fc 100755
--- a/regression/t-025.sh
+++ b/regression/t-025.sh
@@ -43,7 +43,17 @@ shouldfail guilt new "white space"
 
 cmd list_files
 
-for pname in prepend mode /abc ./blah ../blah abc/./blah abc/../blah abc/. 
abc/.. abc/ ; do
+b()
+{
+    printf "%b" "$1"
+}
+
+for pname in prepend mode /abc ./blah ../blah abc/./blah abc/../blah abc/. \
+       abc/.. abc/ abc.lock a/b.lock/c `b 'cr\r'` `b 'ctrl-a\001'` \
+       `b 'formfeed\f'` `b 'del\177'` "tilde~" "caret^" "colon:" \
+       "questionmark?" "asterisk*" "open[bracket" "consecutive//slashes" \
+       "trailing-dot." "bad@{seq" "@" "backslash\\"
+do
        shouldfail guilt new "$pname"
 
        cmd list_files
diff --git a/regression/t-032.out b/regression/t-032.out
index 53f0370..4e65db0 100644
--- a/regression/t-032.out
+++ b/regression/t-032.out
@@ -1,7 +1,7 @@
 % setup_repo
 % touch foo foo:baz
 % guilt import -P foo:bar foo
-The specified patch name contains invalid characters (:).
+The specified patch name is invalid according to git-check-ref-format(1).
 % guilt import -P foo:bar foo2
 Specified file does not exist.
 % guilt import -P foo foo2
@@ -15,4 +15,4 @@ Already tracking a patch under that name.
 Already tracking a patch under that name.
 % guilt import -P foo,bar foo
 % guilt import foo:baz
-The specified patch name contains invalid characters (:).
+The specified patch name is invalid according to git-check-ref-format(1).
-- 
1.8.3.1

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