git-ls-files: Fix, document, and add test for --error-unmatch option.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Documentation/git-ls-files.txt b/Documentation/git-ls-files.txt
index fe53412..28dc533 100644 (file)
--- a/Documentation/git-ls-files.txt
+++ b/Documentation/git-ls-files.txt
@@ -14,6 +14,7 @@ SYNOPSIS
                [-x <pattern>|--exclude=<pattern>]
                [-X <file>|--exclude-from=<file>]
                [--exclude-per-directory=<file>] 
+               [--error-unmatch]
                [--full-name] [--] [<file>]\*
 
 DESCRIPTION
@@ -72,6 +73,10 @@ OPTIONS
        read additional exclude patterns that apply only to the
        directory and its subdirectories in <file>.
 
+--error-unmatch::
+       If any <file> does not appear in the index, treat this as an
+       error (return 1).
+
 -t::
        Identify the file status with the following tags (followed by
        a space) at the start of each line:

diff --git a/ls-files.c b/ls-files.c
index df93cf2..27059e2 100644 (file)
--- a/ls-files.c
+++ b/ls-files.c
@@ -758,6 +758,7 @@ int main(int argc, const char **argv)
                                continue;
                        error("pathspec '%s' did not match any.",
                              pathspec[num] + prefix_offset);
+                       errors++;
                }
                return errors ? 1 : 0;
        }

diff --git a/t/t3020-ls-files-error-unmatch.sh b/t/t3020-ls-files-error-unmatch.sh
new file mode 100755 (executable)
index 0000000..d55559e
--- /dev/null
+++ b/t/t3020-ls-files-error-unmatch.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Carl D. Worth
+#
+
+test_description='git-ls-files test for --error-unmatch option
+
+This test runs git-ls-files --error-unmatch to ensure it correctly
+returns an error when a non-existent path is provided on the command
+line.
+'
+. ./test-lib.sh
+
+touch foo bar
+git-update-index --add foo bar
+git-commit -m "add foo bar"
+
+test_expect_failure \
+    'git-ls-files --error-unmatch should fail with unmatched path.' \
+    'git-ls-files --error-unmatch foo bar-does-not-match'
+
+test_expect_success \
+    'git-ls-files --error-unmatch should succeed eith matched paths.' \
+    'git-ls-files --error-unmatch foo bar'
+
+test_done
+1