Fix #205 and other stuff

- add note for #204
- fix versioning for git on macOS
- display full idevicerestore command before running

resources/device.sh

@@ -265,12 +265,9 @@ EnterPwnDFU() {
     fi
     
     if [[ $ProductType == "iPhone3,1" ]]; then
-        if [[ $pwnDFUDevice != 0 ]]; then
-            Error "Failed to enter pwnDFU mode. Please run the script again" \
+        if [[ $pwnD != 1 ]]; then
+            Error "Failed to enter pwnDFU mode. Please run the script again. Note that kDFU mode will NOT work!" \
             "Exit DFU mode first by holding the TOP and HOME buttons for about 15 seconds."
-        elif [[ $pwnD != 1 ]]; then
-            Error "Your device is not in pwnDFU mode, cannot proceed. Note that kDFU mode will NOT work!" \
-            "Exit DFU mode by holding the TOP and HOME buttons for about 15 seconds."
         else
             Log "Device in pwnDFU mode detected."
         fi

resources/downgrade.sh

@@ -139,6 +139,7 @@ iDeviceRestore() {
     cp $SHSH shsh/${UniqueChipID}-${ProductType}-${OSVer}.shsh
     Log "Proceeding to idevicerestore..."
     [[ $1 == "latest" ]] && ExtraArgs="-e" || ExtraArgs="-e -w"
+    Log "Running idevicerestore with command: $idevicerestore $ExtraArgs \"$IPSWRestore.ipsw\""
     $idevicerestore $ExtraArgs "$IPSWRestore.ipsw"
     echo
     Log "Restoring done! Read the message below if any error has occurred:"

resources/ipsw.sh

@@ -50,6 +50,9 @@ JailbreakOption() {
     elif [[ $OSVer == "8.4.1" ]]; then
         Echo "* Based on some reported issues, Jailbreak Option might not work properly for iOS 8.4.1."
         Echo "* I recommend to disable the option for these devices and sideload EtasonJB, HomeDepot, or daibutsu manually."
+    elif [[ $OSVer == "5.1" ]]; then
+        Echo "* Based on some reported issues, Jailbreak Option might not work properly for iOS 5.1."
+        Echo "* I recommend to use other versions instead, such as 5.1.1."
     fi
     Echo "* This option is enabled by default (Y)."
     read -p "$(Input 'Enable this option? (Y/n):')" Jailbreak

restore.sh

@@ -81,7 +81,11 @@ Main() {
     fi
     
     if [[ -d .git ]]; then
-        Echo "Version: $(git log -1 --format="%at" | xargs -I{} date -d @{} +%Y-%m-%d)-$(git rev-parse HEAD | cut -c -7)"
+        if [[ $platform == "macos" ]]; then
+            Echo "Version: $(date -r $(git log -1 --format="%at") +%Y-%m-%d)-$(git rev-parse HEAD | cut -c -7)"
+        else
+            Echo "Version: $(date -d @$(git log -1 --format="%at") --rfc-3339=date)-$(git rev-parse HEAD | cut -c -7)"
+        fi
     elif [[ -e resources/git_hash ]]; then
         Echo "Version: $(cat resources/git_hash)"
     else