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Automatically add "-" when piping and its missing

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This commit is contained in:
Mike Farah 2022-02-07 08:46:43 +11:00
parent 75960c6484
commit 703418d0c4
5 changed files with 103 additions and 27 deletions
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59
acceptance_tests/basic.sh
View File

@ -16,14 +16,31 @@ testBasicPipeWithDot() {
assertEquals "a: 123" "$X"
}
testBasicAllFiles() {
testBasicGitHubAction() {
./yq -n ".a = 123" > test.yml
./yq -n ".a = 124" > test2.yml
X=$(./yq test.yml test2.yml)
Y=$(./yq e '.' test.yml test2.yml)
assertEquals "$Y" "$X"
X=$(cat /dev/null | ./yq test.yml)
assertEquals "a: 123" "$X"
X=$(cat /dev/null | ./yq e test.yml)
assertEquals "a: 123" "$X"
X=$(cat /dev/null | ./yq ea test.yml)
assertEquals "a: 123" "$X"
}
testBasicGitHubActionWithExpression() {
./yq -n ".a = 123" > test.yml
X=$(cat /dev/null | ./yq '.a' test.yml)
assertEquals "123" "$X"
X=$(cat /dev/null | ./yq e '.a' test.yml)
assertEquals "123" "$X"
X=$(cat /dev/null | ./yq ea '.a' test.yml)
assertEquals "123" "$X"
}
testBasicEvalAllAllFiles() {
./yq -n ".a = 123" > test.yml
./yq -n ".a = 124" > test2.yml
@ -32,6 +49,38 @@ testBasicEvalAllAllFiles() {
assertEquals "$Y" "$X"
}
testBasicCatWithFilesNoDash() {
./yq -n ".a = 123" > test.yml
./yq -n ".a = 124" > test2.yml
X=$(cat test.yml | ./yq test2.yml)
Y=$(./yq e '.' test2.yml test.yml)
assertEquals "$Y" "$X"
}
testBasicEvalAllCatWithFilesNoDash() {
./yq -n ".a = 123" > test.yml
./yq -n ".a = 124" > test2.yml
X=$(cat test.yml | ./yq ea test2.yml)
Y=$(./yq e '.' test2.yml test.yml)
assertEquals "$Y" "$X"
}
testBasicCatWithFilesNoDashWithExp() {
./yq -n ".a = 123" > test.yml
./yq -n ".a = 124" > test2.yml
X=$(cat test.yml | ./yq '.a' test2.yml)
Y=$(./yq e '.a' test2.yml test.yml)
assertEquals "$Y" "$X"
}
testBasicEvalAllCatWithFilesNoDashWithExp() {
./yq -n ".a = 123" > test.yml
./yq -n ".a = 124" > test2.yml
X=$(cat test.yml | ./yq ea '.a' test2.yml)
Y=$(./yq e '.a' test2.yml test.yml)
assertEquals "$Y" "$X"
}
testBasicStdInWithFiles() {
./yq -n ".a = 123" > test.yml

16
cmd/evaluate_all_command.go
View File

@ -125,21 +125,17 @@ func evaluateAll(cmd *cobra.Command, args []string) (cmdError error) {
}
allAtOnceEvaluator := yqlib.NewAllAtOnceEvaluator()
args = processArgs(pipingStdIn, args)
yqlib.GetLogger().Debugf("processed args: %v", args)
switch len(args) {
case 0:
if pipingStdIn {
err = allAtOnceEvaluator.EvaluateFiles(processExpression(""), []string{"-"}, printer, leadingContentPreProcessing, decoder)
} else {
cmd.Println(cmd.UsageString())
return nil
}
cmd.Println(cmd.UsageString())
return nil
case 1:
if nullInput {
err = yqlib.NewStreamEvaluator().EvaluateNew(processExpression(args[0]), printer, "")
} else if pipingStdIn && args[0] != "-" && !maybeFile(args[0]) {
// must have given a single expression and piping input from stdin
err = allAtOnceEvaluator.EvaluateFiles(processExpression(args[0]), []string{"-"}, printer, leadingContentPreProcessing, decoder)
} else {
err = allAtOnceEvaluator.EvaluateFiles(processExpression(""), []string{args[0]}, printer, leadingContentPreProcessing, decoder)
}

15
cmd/evalute_sequence_command.go
View File

@ -125,10 +125,10 @@ func evaluateSequence(cmd *cobra.Command, args []string) (cmdError error) {
if err != nil {
return err
}
streamEvaluator := yqlib.NewStreamEvaluator()
if frontMatter != "" {
yqlib.GetLogger().Debug("using front matter handler")
frontMatterHandler := yqlib.NewFrontMatterHandler(args[firstFileIndex])
err = frontMatterHandler.Split()
if err != nil {
@ -143,21 +143,16 @@ func evaluateSequence(cmd *cobra.Command, args []string) (cmdError error) {
}
defer frontMatterHandler.CleanUp()
}
args = processArgs(pipingStdIn, args)
yqlib.GetLogger().Debugf("processed args: %v", args)
switch len(args) {
case 0:
if pipingStdIn {
err = streamEvaluator.EvaluateFiles(processExpression(""), []string{"-"}, printer, leadingContentPreProcessing, decoder)
} else {
cmd.Println(cmd.UsageString())
return nil
}
cmd.Println(cmd.UsageString())
return nil
case 1:
if nullInput {
err = streamEvaluator.EvaluateNew(processExpression(args[0]), printer, "")
} else if pipingStdIn && args[0] != "-" && !maybeFile(args[0]) {
// must have given a single expression and piping input from stdin
err = streamEvaluator.EvaluateFiles(processExpression(args[0]), []string{"-"}, printer, leadingContentPreProcessing, decoder)
} else {
err = streamEvaluator.EvaluateFiles(processExpression(""), []string{args[0]}, printer, leadingContentPreProcessing, decoder)
}

30
cmd/utils.go
View File

@ -7,6 +7,7 @@ import (
"github.com/mikefarah/yq/v4/pkg/yqlib"
"github.com/spf13/cobra"
"gopkg.in/op/go-logging.v1"
)
func initCommand(cmd *cobra.Command, args []string) (firstFileIndex int, err error) {
@ -98,6 +99,33 @@ func configureEncoder(format yqlib.PrinterOutputFormat) yqlib.Encoder {
// without this - yq detects there is stdin (thanks githubactions),
// then tries to parse the filename as an expression
func maybeFile(str string) bool {
yqlib.GetLogger().Debugf("checking '%v' is a file", str)
stat, err := os.Stat(str) // #nosec
return err == nil && !stat.IsDir()
result := err == nil && !stat.IsDir()
if yqlib.GetLogger().IsEnabledFor(logging.DEBUG) {
if err != nil {
yqlib.GetLogger().Debugf("error: %v", err)
} else {
yqlib.GetLogger().Debugf("error: %v, dir: %v", err, stat.IsDir())
}
yqlib.GetLogger().Debugf("result: %v", result)
}
return result
}
func processArgs(pipingStdin bool, args []string) []string {
if !pipingStdin {
return args
}
for _, arg := range args {
if arg == "-" {
return args
}
}
yqlib.GetLogger().Debugf("missing '-', adding it to the end")
// we're piping from stdin, but there's no '-' arg
// lets add one to the end
return append(args, "-")
}

10
pkg/yqlib/operators_test.go
View File

@ -7,6 +7,7 @@ import (
"fmt"
"io"
"os"
"sort"
"strings"
"testing"
@ -237,7 +238,14 @@ func documentInput(w *bufio.Writer, s expressionScenario) (string, string) {
envCommand := ""
for name, value := range s.environmentVariables {
envKeys := make([]string, 0, len(s.environmentVariables))
for k := range s.environmentVariables {
envKeys = append(envKeys, k)
}
sort.Strings(envKeys)
for _, name := range envKeys {
value := s.environmentVariables[name]
if envCommand == "" {
envCommand = fmt.Sprintf("%v=\"%v\" ", name, value)
} else {