test: use regex match to avoid git wierd inconsistent "." at error

message

tests/fadd.bats

@@ -48,17 +48,17 @@ stage_modified_file() {
 @test "fadd stage selected file" {
   run stage_selected_file
   [ "${status}" -eq 128 ]
-  [ "${lines[0]}" = "fatal: pathspec 'searchfile' did not match any files" ]
+  [[ "${lines[0]}" =~ "fatal: pathspec 'searchfile' did not match any files" ]]
 }
 
 @test "fadd stage selected dir" {
   run stage_selected_dir
   [ "${status}" -eq 128 ]
-  [ "${lines[0]}" = "fatal: pathspec 'searchdir' did not match any files" ]
+  [[ "${lines[0]}" =~ "fatal: pathspec 'searchdir' did not match any files" ]]
 }
 
 @test "fadd stage modified file" {
   run stage_modified_file
   [ "${status}" -eq 128 ]
-  [ "${lines[0]}" = "fatal: pathspec '$HOME/modifiedfile' did not match any files" ]
+  [[ "${lines[0]}" =~ "fatal: pathspec '$HOME/modifiedfile' did not match any files" ]]
 }

tests/fcheckout.bats

@@ -42,27 +42,40 @@ checkout_selected_file() {
 
 @test "fchekcout branch" {
   run checkout_branch
-  result=$(echo "${lines[0]}" | tr '`' "'")
+  echo "${status}" >&3
+  echo "${output}" >&3
+  result=$(echo "${output}" | tr '`' "'")
   [ "${status}" -eq 129 ]
-  [ "${result}" = "error: unknown option 'branch'" ]
+  [[ "${result}" =~ "error: unknown option 'branch'" ]]
 }
 
 @test "fchekcout commit" {
   run checkout_commit
-  result=$(echo "${lines[0]}" | tr '`' "'")
+  if ! "${BATS_TEST_DIRNAME}"/../dotbare log &>/dev/null; then
+    [[ "${lines[0]}" =~ "fatal: your current branch 'master' does not have any commits yet" ]]
+    result=$(echo "${lines[1]}" | tr '`' "'")
+  else
+    result=$(echo "${lines[0]}" | tr '`' "'")
+  fi
   [ "${status}" -eq 129 ]
-  [ "${result}" = "error: unknown option 'commitshow'" ]
+  [[ "${result}" =~ "error: unknown option 'commitshow'" ]]
 }
 
 @test "fcheckout modified" {
   run checkout_modified_file
   [ "${status}" -eq 1 ]
-  [ "${lines[0]}" = "error: pathspec '$HOME/modifiedfile' did not match any file(s) known to git" ]
+  [[ "${lines[0]}" =~ "error: pathspec '$HOME/modifiedfile' did not match any file(s) known to git" ]]
 }
 
 @test "fcheckout select" {
   run checkout_selected_file
+  if ! "${BATS_TEST_DIRNAME}"/../dotbare log &>/dev/null; then
+    [[ "${lines[0]}" =~ "fatal: your current branch 'master' does not have any commits yet" ]]
+    [[ "${lines[1]}" =~ "error: pathspec 'commitdiff' did not match any file(s) known to git" ]]
+    [[ "${lines[2]}" =~ "error: pathspec '$HOME/selectgitfile' did not match any file(s) known to git" ]]
+  else
+    [[ "${lines[0]}" =~ "error: pathspec 'commitdiff' did not match any file(s) known to git" ]]
+    [[ "${lines[1]}" =~ "error: pathspec '$HOME/selectgitfile' did not match any file(s) known to git" ]]
+  fi
   [ "${status}" -eq 1 ]
-  [ "${lines[0]}" = "error: pathspec 'commitdiff' did not match any file(s) known to git" ]
-  [ "${lines[1]}" = "error: pathspec '$HOME/selectgitfile' did not match any file(s) known to git" ]
 }

tests/freset.bats

@@ -42,10 +42,10 @@ select_files() {
 @test "freset select commit" {
   run select_commit
   if ! "${BATS_TEST_DIRNAME}"/../dotbare log &>/dev/null; then
-    [ "${lines[0]}" = "fatal: your current branch 'master' does not have any commits yet" ]
+    [[ "${lines[0]}" =~ "fatal: your current branch 'master' does not have any commits yet" ]]
   else
     result=$(echo "${lines[0]}" | tr '`' "'")
-    [ "${result}" = "error: unknown option 'commitshow'" ]
+    [[ "${result}" =~ "error: unknown option 'commitshow'" ]]
   fi
   [ "${status}" -eq 129 ]
 }
@@ -54,9 +54,9 @@ select_files() {
   run select_files
   if ! "${BATS_TEST_DIRNAME}"/../dotbare log &>/dev/null; then
     [ "${status}" -eq 128 ]
-    [ "${lines[0]}" = "fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree." ]
+    [[ "${lines[0]}" =~ "fatal: ambiguous argument '$HOME/modifiedfile': unknown revision or path not in the working tree" ]]
   else
     [ "${status}" -eq 128 ]
-    [ "${lines[0]}" = "fatal: ambiguous argument '$HOME/modifiedfile': unknown revision or path not in the working tree." ]
+    [[ "${lines[0]}" =~ "fatal: ambiguous argument '$HOME/modifiedfile': unknown revision or path not in the working tree" ]]
   fi
 }