我正在尝试从 pkg 安装 git，当我挂载从中下载的 dmg 时，遇到了“无可挂载文件系统”错误源码。当我尝试使用 cmd 安装它时，hdiutil attach -verbose /Users/computer/Downloads/git-2.15.0-intel-universal-mavericks\ \(1\).dmg我得到以下信息：
Initializing…
DIBackingStoreInstantiatorProbe: interface 0, score 100, CBSDBackingStore
DIBackingStoreInstantiatorProbe: interface 1, score -1000, CBundleBackingStore
DIBackingStoreInstantiatorProbe: interface 2, score -1000, CRAMBackingStore
DIBackingStoreInstantiatorProbe: interface 3, score 100, CCarbonBackingStore
DIBackingStoreInstantiatorProbe: interface 4, score -1000, CDevBackingStore
DIBackingStoreInstantiatorProbe: interface 5, score -1000, CCURLBackingStore
DIBackingStoreInstantiatorProbe: interface 6, score -1000, CVectoredBackingStore
DIBackingStoreInstantiatorProbe: interface 0, score 100, CBSDBackingStore
DIBackingStoreInstantiatorProbe: interface 1, score -1000, CBundleBackingStore
DIBackingStoreInstantiatorProbe: interface 2, score -1000, CRAMBackingStore
DIBackingStoreInstantiatorProbe: interface 3, score 100, CCarbonBackingStore
DIBackingStoreInstantiatorProbe: interface 4, score -1000, CDevBackingStore
DIBackingStoreInstantiatorProbe: interface 5, score -1000, CCURLBackingStore
DIBackingStoreInstantiatorProbe: interface 6, score -1000, CVectoredBackingStore
DIFileEncodingInstantiatorProbe: interface 0, score -1000, CMacBinaryEncoding
DIFileEncodingInstantiatorProbe: interface 1, score -1000, CAppleSingleEncoding
DIFileEncodingInstantiatorProbe: interface 2, score -1000, CEncryptedEncoding
DIFileEncodingInstantiatorProbe: interface 0, score 900, CUDIFEncoding
DIFileEncodingNewWithBackingStore: CUDIFEncoding
DIFileEncodingNewWithBackingStore: instantiator returned 0
DIFileEncodingInstantiatorProbe: interface 0, score -1000, CSegmentedNDIFEncoding
DIFileEncodingInstantiatorProbe: interface 1, score -1000, CSegmentedUDIFEncoding
DIFileEncodingInstantiatorProbe: interface 2, score -1000, CSegmentedUDIFRawEncoding
DIDiskImageInstantiatorProbe: interface 0, score 1000, CUDIFDiskImage
DIDiskImageInstantiatorProbe: interface 1, score 0, CSparseBundleDiskImage
DIDiskImageInstantiatorProbe: interface 2, score 0, CSparseDiskImage
CRawDiskImage: data fork length 0x0000000001C8159A (29889946) not a multiple of 512.
DIDiskImageInstantiatorProbe: interface 3, score -100, CRawDiskImage
DIDiskImageInstantiatorProbe: interface 4, score 0, CDARTDiskImage
DIDiskImageInstantiatorProbe: interface 5, score 0, CDiskCopy42DiskImage
DIDiskImageInstantiatorProbe: interface 6, score -1000, CNDIFDiskImage
DIDiskImageInstantiatorProbe: interface 8, score -100, CShadowedDiskImage
DIDiskImageInstantiatorProbe: interface 9, score -1000, CCFPlugInDiskImage
DIDiskImageInstantiatorProbe: interface 10, score -100, CWrappedDiskImage
DIDiskImageNewWithBackingStore: CUDIFDiskImage
DIDiskImageNewWithBackingStore: instantiator returned 0
Verifying…
Verification completed…
Error 0 (Undefined error: 0).
expected CRC32 $3DD6C887
Attaching…
DI_kextWaitQuiet: about to call IOServiceWaitQuiet...
DI_kextWaitQuiet: IOServiceWaitQuiet took 0.000003 seconds
2021-09-25 20:12:49.049 diskimages-helper[12037:237282] DIHelperHDID serveImage: attaching drive
{
autodiskmount = 1;
"hdiagent-drive-identifier" = "8752308D-57C2-4615-B644-E3115A320679";
"unmount-timeout" = 0;
}
2021-09-25 20:12:49.050 diskimages-helper[12037:237282] DIHelperHDID serveImage: connecting to myDrive 0x4C0B
2021-09-25 20:12:49.051 diskimages-helper[12037:237282] DIHelperHDID serveImage: register _readBuffer 0x10cf69000
2021-09-25 20:12:49.051 diskimages-helper[12037:237282] DIHelperHDID serveImage: activating drive port 18955
2021-09-25 20:12:49.051 diskimages-helper[12037:237282] DIHelperHDID serveImage: set cache enabled=TRUE returned SUCCESS.
2021-09-25 20:12:49.051 diskimages-helper[12037:237282] DIHelperHDID serveImage: set on IO thread=TRUE returned SUCCESS.
2021-09-25 20:12:49.051 diskimages-helper[12037:237282] -processKernelRequest: will sleep received
Volume check completed…
Mounting…
2021-09-25 20:12:49.075 diskimages-helper[12037:237280] -remountReturningDictionary: detaching because no mountable filesystems.
Attaching…
Error 112 (no mountable file systems).
Finishing…
DIHLDiskImageAttach() returned 112
2021-09-25 20:12:50.183 diskimages-helper[12037:237276] *** -[NSMachPort handlePortMessage:]: dropping incoming DO message because the connection is invalid
hdiutil: attach failed - no mountable file systems
有什么想法吗？我陷入了困境，无法安装，这会使安装 git 变得容易，因为我首先brew需要安装 git 。由于空间要求，我无法通过 xcode 安装它。brew