Updater for Windows v4.3

Changes:
- The script doesn't touch the `user.js` file until it really has to.
- The merge function is a bit smarter parsing files, at no significant cost.
- Fixed a minor issue with the version check.
- Minor syntactic changes here and there.
- creates timestamped backup files rather than always overwriting user.js.bak.
(use -singlebackup if you prefer a single backup file)
This commit is contained in:
earthlng 2018-01-18 17:17:47 +01:00 committed by GitHub
commit 038201fb07
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@ -3,7 +3,7 @@ TITLE ghacks user.js updater
REM ## ghacks-user.js updater for Windows
REM ## author: @claustromaniac
REM ## version: 4.2
REM ## version: 4.3
REM ## instructions: https://github.com/ghacksuserjs/ghacks-user.js/wiki/3.3-Updater-Scripts
SET _myname=%~n0
@ -16,6 +16,7 @@ IF /I "%~1"=="-logp" (SET _log=1 & SET _logp=1)
IF /I "%~1"=="-multioverrides" (SET _multi=1)
IF /I "%~1"=="-merge" (SET _merge=1)
IF /I "%~1"=="-updatebatch" (SET _updateb=1)
IF /I "%~1"=="-singlebackup" (SET _singlebackup=1)
SHIFT
GOTO parse
:endparse
@ -76,14 +77,14 @@ ECHO:
ECHO: ########################################
ECHO: #### user.js Updater for Windows ####
ECHO: #### by claustromaniac ####
ECHO: #### v4.2 ####
ECHO: #### v4.3 ####
ECHO: ########################################
ECHO:
SET /A "_line=0"
IF NOT EXIST user.js (
CALL :message "user.js not detected in the current directory."
) ELSE (
FOR /F "skip=1 tokens=1,2 delims=:" %%G IN (user.js) DO (
FOR /F "skip=1 tokens=1,* delims=:" %%G IN (user.js) DO (
SET /A "_line+=1"
IF !_line! GEQ 4 (GOTO exitloop)
IF !_line! EQU 1 (SET _name=%%H)
@ -91,15 +92,11 @@ IF NOT EXIST user.js (
IF !_line! EQU 3 (SET _version=%%G)
)
:exitloop
IF !_line! GEQ 4 (
IF NOT "!_name!"=="" (
IF /I NOT "!_name!"=="!_name:ghacks=!" (
CALL :message "ghacks user.js !_version:~2!,!_date!"
) ELSE (
CALL :message "Current user.js version not recognised."
)
) ELSE (
CALL :message "Current user.js version not recognised."
)
CALL :message "!_name! !_version:~2!,!_date!"
) ELSE (CALL :message "Current user.js version not recognised.")
) ELSE (CALL :message "Current user.js version not recognised.")
)
ECHO:
IF NOT DEFINED _ua (
@ -123,17 +120,12 @@ IF DEFINED _log (
ECHO:##################################################################
CALL :message "%date%, %time%"
)
IF EXIST user.js.old.bak (DEL /F user.js.old.bak)
IF EXIST user.js (
IF EXIST user.js.bak (REN user.js.bak user.js.old.bak)
REN user.js user.js.bak
CALL :message "Current user.js file backed up."
)
IF EXIST user.js.new (DEL /F "user.js.new")
CALL :message "Retrieving latest user.js file from github repository..."
(
powershell -Command "(New-Object Net.WebClient).DownloadFile('https://github.com/ghacksuserjs/ghacks-user.js/raw/master/user.js', 'user.js')"
powershell -Command "(New-Object Net.WebClient).DownloadFile('https://github.com/ghacksuserjs/ghacks-user.js/raw/master/user.js', 'user.js.new')"
) >nul 2>&1
IF EXIST user.js (
IF EXIST user.js.new (
IF DEFINED _multi (
FORFILES /P user.js-overrides /M *.js >nul 2>&1
IF NOT ERRORLEVEL 1 (
@ -141,45 +133,49 @@ IF EXIST user.js (
CALL :message "Merging..."
COPY /B /V /Y user.js-overrides\*.js user-overrides-merged.js
CALL :merge user-overrides-merged.js
COPY /B /V /Y user.js+user-overrides-merged.js user.js
CALL :merge user.js
COPY /B /V /Y user.js.new+user-overrides-merged.js user.js.new
CALL :merge user.js.new
) ELSE (
CALL :message "Appending..."
COPY /B /V /Y user.js+"user.js-overrides\*.js" user.js
COPY /B /V /Y user.js.new+"user.js-overrides\*.js" user.js.new
)
) ELSE (CALL :message "No override files found.")
ECHO:
) ELSE (
IF EXIST "user-overrides.js" (
COPY /B /V /Y user.js+"user-overrides.js" "user.js"
COPY /B /V /Y user.js.new+"user-overrides.js" "user.js.new"
IF DEFINED _merge (
CALL :message "Merging user-overrides.js..."
CALL :merge user.js
CALL :merge user.js.new
) ELSE (
CALL :message "user-overrides.js appended."
)
) ELSE (CALL :message "user-overrides.js not found.")
ECHO:
)
CALL :message "Handling backups..."
SET "changed="
IF EXIST user.js.bak (
FC user.js.bak user.js >nul && SET "changed=false" || SET "changed=true"
IF EXIST user.js (
FC user.js.new user.js >nul && SET "_changed=false" || SET "_changed=true"
)
IF "!changed!"=="true" (
IF EXIST user.js.old.bak DEL /F user.js.old.bak
IF "!_changed!"=="true" (
CALL :message "Backing up..."
IF DEFINED _singlebackup (
MOVE /Y user.js user.js.bak >nul
) ELSE (
MOVE /Y user.js "user-backup-!date:/=-!_!time::=.!.js" >nul
)
REN user.js.new user.js
CALL :message "Update complete."
) ELSE (
IF "!changed!"=="false" (
DEL /F user.js.bak
IF EXIST user.js.old.bak REN user.js.old.bak user.js.bak
IF "!_changed!"=="false" (
DEL /F user.js.new >nul
CALL :message "Update completed without changes."
) ELSE (CALL :message "Update complete.")
) ELSE (
REN user.js.new user.js
CALL :message "Update complete."
)
)
ECHO:
) ELSE (
IF EXIST user.js.bak (REN user.js.bak user.js)
IF EXIST user.js.old.bak (REN user.js.old.bak user.js.bak)
CALL :message "Update failed. Make sure PowerShell is allowed internet access."
ECHO: No changes were made.
)
@ -200,27 +196,27 @@ REM ############ Merge function ############
:merge
SETLOCAL DisableDelayedExpansion
(
FOR /F "tokens=1,* delims=," %%G IN ('FINDSTR /B /I /C:"user_pref" "%~1"') DO (SET "%%G=%%H")
FOR /F tokens^=2^,^*^ delims^=^'^" %%G IN ('FINDSTR /B /R /C:"user_pref.*\)[ ]*;" "%~1"') DO (IF NOT "%%H"=="" (SET "%%G=%%H"))
FOR /F "tokens=1,* delims=:" %%I IN ('FINDSTR /N "^" "%~1"') DO (
IF ""=="%%J" (
ECHO:
SET "_temp=%%J"
SETLOCAL EnableDelayedExpansion
IF NOT "!_temp:~0,9!"=="user_pref" (
ENDLOCAL & ECHO:%%J
) ELSE (
FOR /F "delims=," %%K IN ("%%J") DO (
IF NOT [user_pref("_user.js.parrot"]==[%%K] (
IF "!_temp:;=!"=="!_temp!" (
ENDLOCAL & ECHO:%%J
) ELSE (
ENDLOCAL
FOR /F tokens^=2^ delims^=^'^" %%K IN ("%%J") DO (
IF NOT "_user.js.parrot"=="%%K" (
IF DEFINED %%K (
SETLOCAL EnableDelayedExpansion
FOR /F "delims=" %%L IN ("!%%K!") DO (
ENDLOCAL
IF NOT "%%L"=="ALREADY MERGED" (
ECHO:%%K,%%L
SET "%%K=ALREADY MERGED"
ENDLOCAL & ECHO:user_pref("%%K"%%L
SET "%%K="
)
)
) ELSE (
ECHO:%%J
)
) ELSE (
ECHO:%%J
) ELSE (ECHO:%%J)
)
)
)
@ -231,7 +227,7 @@ ENDLOCAL
GOTO :EOF
REM ############### Help ##################
:showhelp
MODE 80,43
MODE 80,46
CLS
CALL :message "Available arguments (case-insensitive):"
CALL :message " -log"
@ -239,7 +235,7 @@ ECHO: Write the console output to a logfile (user.js-update-log.txt)
CALL :message " -logP"
ECHO: Like -log, but also open the logfile after updating.
CALL :message " -merge"
ECHO: Merge overrides instead of appending them. One-line comments and
ECHO: Merge overrides instead of appending them. Single-line comments and
ECHO: _user.js.parrot lines are appended normally. Overrides for inactive
ECHO: user.js prefs will be appended. When -Merge and -MultiOverrides are used
ECHO: together, a user-overrides-merged.js file is also generated in the root
@ -254,6 +250,9 @@ ECHO: instead of the default user-overrides.js file. Files are appended in
ECHO: alphabetical order.
CALL :message " -unattended"
ECHO: Run without user input.
CALL :message " -singleBackup"
ECHO: Use a single backup file and overwrite it on new updates, instead of
ECHO: cumulative backups. This was the default behaviour before v4.3.
CALL :message " -updatebatch"
ECHO: Update the script itself on execution, before the normal routine.
CALL :message ""