fix: wrong env var for (self-)update

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Change Log (go-package-manager)
 
-## 0.29.4
+## 0.29.5
 
 - feat: self-update by executing `gpm update --self`
 - chore: improve (self-)update scripts

README.md

@@ -121,7 +121,7 @@ gpm update --self
 
 if you have a valid [sh](https://en.wikipedia.org/wiki/Unix_shell) or [PowerShell](https://en.wikipedia.org/wiki/PowerShell) installed.
 
-You are able to customize final directory with `GPM_BIN_PATH`, which is `C:\Program Files\gpm` on Windows and `/usr/local/bin` on POSIX-like systems by default e.g.
+You are able to customize final directory with `GPM_INSTALL_PATH`, which is `C:\Program Files\gpm` on Windows and `/usr/local/bin` on POSIX-like systems by default e.g.
 
 ## Usage [<a href="#table-of-contents">↑</a>]
 

sh.kloubert.dev/gpm.ps1

@@ -93,7 +93,7 @@ try {
     Handle-Error "Could not extract 'gpm.exe' binary"
 }
 
-$DefaultDestination = $env:GPM_BIN_PATH
+$DefaultDestination = $env:GPM_INSTALL_PATH
 if ([string]::IsNullOrWhiteSpace($DefaultDestination)) {
     $DefaultDestination = "C:\\Program Files\\gpm\\gpm.exe"
 }

sh.kloubert.dev/gpm.sh

@@ -8,7 +8,7 @@ handle_error() {
 echo "Go Package Manager Updater"
 echo ""
 
-GPM_BIN_PATH=${GPM_BIN_PATH:-/usr/local/bin}
+GPM_INSTALL_PATH=${GPM_INSTALL_PATH:-/usr/local/bin}
 
 case "$(uname -s)" in
     Darwin)
@@ -89,9 +89,9 @@ shasum -a 256 gpm.tar.gz.sha256 || handle_error "SHA256 verification failed"
 echo "Extracting binary ..."
 tar -xzOf gpm.tar.gz gpm > gpm || handle_error "Could not extract 'gpm' binary"
 
-echo "Installing 'gpm' to $GPM_BIN_PATH ..."
-sudo mv gpm "$GPM_BIN_PATH/gpm" || handle_error "Could not move 'gpm' to '$GPM_BIN_PATH'"
-sudo chmod +x "$GPM_BIN_PATH/gpm" || handle_error "Could not update permissions of 'gpm' binary"
+echo "Installing 'gpm' to $GPM_INSTALL_PATH ..."
+sudo mv gpm "$GPM_INSTALL_PATH/gpm" || handle_error "Could not move 'gpm' to '$GPM_INSTALL_PATH'"
+sudo chmod +x "$GPM_INSTALL_PATH/gpm" || handle_error "Could not update permissions of 'gpm' binary"
 
 echo "Cleaning up ..."
 rm gpm.tar.gz gpm.tar.gz.sha256 || handle_error "Cleanups failed"