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Windows: Builder case insensitive env

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Signed-off-by: John Howard <jhoward@microsoft.com>
This commit is contained in:
John Howard 2016-11-22 11:26:02 -08:00
parent 937027a0cb
commit 49f392ff6b
6 changed files with 177 additions and 122 deletions
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14
builder/dockerfile/shell_parser.go
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@ -8,6 +8,7 @@ package dockerfile
import (
"fmt"
"runtime"
"strings"
"text/scanner"
"unicode"
@ -298,9 +299,16 @@ func (sw *shellWord) processName() string {
}
func (sw *shellWord) getEnv(name string) string {
if runtime.GOOS == "windows" {
// Case-insensitive environment variables on Windows
name = strings.ToUpper(name)
}
for _, env := range sw.envs {
i := strings.Index(env, "=")
if i < 0 {
if runtime.GOOS == "windows" {
env = strings.ToUpper(env)
}
if name == env {
// Should probably never get here, but just in case treat
// it like "var" and "var=" are the same
@ -308,7 +316,11 @@ func (sw *shellWord) getEnv(name string) string {
}
continue
}
if name != env[:i] {
compareName := env[:i]
if runtime.GOOS == "windows" {
compareName = strings.ToUpper(compareName)
}
if name != compareName {
continue
}
return env[i+1:]