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| author | Trumeet <17158086+Trumeet@users.noreply.github.com> | 2019-09-30 17:50:18 -0700 |
|---|---|---|
| committer | Trumeet <17158086+Trumeet@users.noreply.github.com> | 2019-09-30 17:50:18 -0700 |
| commit | 276840a3261d42e27abe0e1c0f92b015cb64d3f1 (patch) | |
| tree | 0515de7994fe2257980d0af0c530c96ae82036a4 | |
| parent | cf996b0f5e8a89d9172f5d7383b7905d894b96c6 (diff) | |
| download | PortableVM-276840a3261d42e27abe0e1c0f92b015cb64d3f1.tar PortableVM-276840a3261d42e27abe0e1c0f92b015cb64d3f1.tar.gz PortableVM-276840a3261d42e27abe0e1c0f92b015cb64d3f1.tar.bz2 PortableVM-276840a3261d42e27abe0e1c0f92b015cb64d3f1.zip | |
feat: support using the existing snap
| -rw-r--r-- | PortableVM.lua | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/PortableVM.lua b/PortableVM.lua index ac16081..751fd93 100644 --- a/PortableVM.lua +++ b/PortableVM.lua @@ -27,13 +27,15 @@ end print("Snap file: " .. SNAP_PATH) +SKIP_CREATE_SNAP = false + if mVM.isSnapExist(SNAP_PATH) then io.stderr:write("Snap file " .. SNAP_PATH .. " is exist.\n") local backing = mVM.getDiskInfo(SNAP_PATH)["full-backing-filename"] local valid = backing ~= nil and mUtils.fileExist(backing) if valid == true then print("The snap file is a valid snapshot, you may choose to commit it first, delete it, and create a new snapshot.") - io.write("[C] Commit and delete it, [D] Discard the snapshot, [A] Abort (Default): ") + io.write("[C] Commit and delete it, [D] Discard the snapshot, [U] Use the snap file instead, [A] Abort (Default): ") local choice = mInput.readLine() if choice == "C" or choice == "c" then if mVM.commit(SNAP_PATH) == true then @@ -45,6 +47,8 @@ if mVM.isSnapExist(SNAP_PATH) then elseif choice == "D" or choice == "d" then print("Warning: all contents of the snapshot will be deleted! This cannot be undone.") os.remove(SNAP_PATH) + elseif choice == "U" or choice == "u" then + SKIP_CREATE_SNAP = true else os.exit(1) end @@ -60,11 +64,13 @@ if mVM.isSnapExist(SNAP_PATH) then end end -print("Creating snap...") -if mVM.createSnap(DISK_PATH, SNAP_PATH) ~= true then - io.stderr:write("Cannot create the snap disk.\n") - os.exit(2) - return +if SKIP_CREATE_SNAP ~= true then + print("Creating snap...") + if mVM.createSnap(DISK_PATH, SNAP_PATH) ~= true then + io.stderr:write("Cannot create the snap disk.\n") + os.exit(2) + return + end end print("Booting VM...") |