decompress.ps1: Refactored (w/ install.ps1, core.ps1)

ScoopInstaller · Feb 26, 2019 · b421879 · b421879
1 parent 065ff35
commit b421879
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Showing 5 changed files with 154 additions and 149 deletions.
diff --git a/lib/core.ps1 b/lib/core.ps1
@@ -273,59 +273,6 @@ function isFileLocked([string]$path) {
     }
 }
 
-function extract_zip($path, $to) {
-    if (!(test-path $path)) { abort "can't find $path to unzip"}
-    try { add-type -assembly "System.IO.Compression.FileSystem" -ea stop }
-    catch { unzip_old $path $to; return } # for .net earlier than 4.5
-    $retries = 0
-    while ($retries -le 10) {
-        if ($retries -eq 10) {
-            if (7zip_installed) {
-                extract_7zip $path $to $false
-                return
-            } else {
-                abort "Unzip failed: Windows can't unzip because a process is locking the file.`nRun 'scoop install 7zip' and try again."
-            }
-        }
-        if (isFileLocked $path) {
-            write-host "Waiting for $path to be unlocked by another process... ($retries/10)"
-            $retries++
-            Start-Sleep -s 2
-        } else {
-            break
-        }
-    }
-
-    try {
-        [io.compression.zipfile]::extracttodirectory($path,$to)
-    } catch [system.io.pathtoolongexception] {
-        # try to fall back to 7zip if path is too long
-        if(7zip_installed) {
-            extract_7zip $path $to $false
-            return
-        } else {
-            abort "Unzip failed: Windows can't handle the long paths in this zip file.`nRun 'scoop install 7zip' and try again."
-        }
-    } catch [system.io.ioexception] {
-        if (7zip_installed) {
-            extract_7zip $path $to $false
-            return
-        } else {
-            abort "Unzip failed: Windows can't handle the file names in this zip file.`nRun 'scoop install 7zip' and try again."
-        }
-    } catch {
-        abort "Unzip failed: $_"
-    }
-}
-
-function unzip_old($path,$to) {
-    # fallback for .net earlier than 4.5
-    $shell = (new-object -com shell.application -strict)
-    $zipfiles = $shell.namespace("$path").items()
-    $to = ensure $to
-    $shell.namespace("$to").copyHere($zipfiles, 4) # 4 = don't show progress dialog
-}
-
 function is_directory([String] $path) {
     return (Test-Path $path) -and (Get-Item $path) -is [System.IO.DirectoryInfo]
 }

diff --git a/lib/decompress.ps1 b/lib/decompress.ps1
@@ -29,3 +29,95 @@ function extract_7zip($path, $to, $recurse) {
 
     if($recurse) { Remove-Item $path } # clean up intermediate files
 }
+
+function unpack_inno($fname, $manifest, $dir) {
+    if(!$manifest.innosetup) { return }
+
+    write-host "Unpacking innosetup... " -nonewline
+    innounp -x -d"$dir\_scoop_unpack" "$dir\$fname" > "$dir\innounp.log"
+    if($lastexitcode -ne 0) {
+        abort "Failed to unpack innosetup file. See $dir\innounp.log"
+    }
+
+    Get-ChildItem "$dir\_scoop_unpack\{app}" -r | Move-Item -dest "$dir" -force
+
+    Remove-Item -r -force "$dir\_scoop_unpack"
+
+    Remove-Item "$dir\$fname"
+    Write-Host "done." -f Green
+}
+
+function extract_msi($path, $to) {
+    $logfile = "$(split-path $path)\msi.log"
+    $ok = run 'msiexec' @('/a', "`"$path`"", '/qn', "TARGETDIR=`"$to`"", "/lwe `"$logfile`"")
+    if(!$ok) { abort "Failed to extract files from $path.`nLog file:`n  $(friendly_path $logfile)" }
+    if(test-path $logfile) { Remove-Item $logfile }
+}
+
+function lessmsi_config ($extract_dir) {
+    $extract_fn = 'extract_lessmsi'
+    if ($extract_dir) {
+        $extract_dir = join-path SourceDir $extract_dir
+    } else {
+        $extract_dir = "SourceDir"
+    }
+
+    $extract_fn, $extract_dir
+}
+
+function extract_lessmsi($path, $to) {
+    Invoke-Expression "lessmsi x `"$path`" `"$to\`""
+}
+
+function extract_zip($path, $to) {
+    if (!(test-path $path)) { abort "can't find $path to unzip"}
+    try { add-type -assembly "System.IO.Compression.FileSystem" -ea stop }
+    catch { unzip_old $path $to; return } # for .net earlier than 4.5
+    $retries = 0
+    while ($retries -le 10) {
+        if ($retries -eq 10) {
+            if (7zip_installed) {
+                extract_7zip $path $to $false
+                return
+            } else {
+                abort "Unzip failed: Windows can't unzip because a process is locking the file.`nRun 'scoop install 7zip' and try again."
+            }
+        }
+        if (isFileLocked $path) {
+            write-host "Waiting for $path to be unlocked by another process... ($retries/10)"
+            $retries++
+            Start-Sleep -s 2
+        } else {
+            break
+        }
+    }
+
+    try {
+        [io.compression.zipfile]::extracttodirectory($path, $to)
+    } catch [system.io.pathtoolongexception] {
+        # try to fall back to 7zip if path is too long
+        if (7zip_installed) {
+            extract_7zip $path $to $false
+            return
+        } else {
+            abort "Unzip failed: Windows can't handle the long paths in this zip file.`nRun 'scoop install 7zip' and try again."
+        }
+    } catch [system.io.ioexception] {
+        if (7zip_installed) {
+            extract_7zip $path $to $false
+            return
+        } else {
+            abort "Unzip failed: Windows can't handle the file names in this zip file.`nRun 'scoop install 7zip' and try again."
+        }
+    } catch {
+        abort "Unzip failed: $_"
+    }
+}
+
+function unzip_old($path, $to) {
+    # fallback for .net earlier than 4.5
+    $shell = (new-object -com shell.application -strict)
+    $zipfiles = $shell.namespace("$path").items()
+    $to = ensure $to
+    $shell.namespace("$to").copyHere($zipfiles, 4) # 4 = don't show progress dialog
+}
diff --git a/lib/install.ps1 b/lib/install.ps1
@@ -592,18 +592,6 @@ function dl_urls($app, $version, $manifest, $bucket, $architecture, $dir, $use_c
     $fname # returns the last downloaded file
 }
 
-function lessmsi_config ($extract_dir) {
-    $extract_fn = 'extract_lessmsi'
-    if ($extract_dir) {
-        $extract_dir = join-path SourceDir $extract_dir
-    }
-    else {
-        $extract_dir = "SourceDir"
-    }
-
-    $extract_fn, $extract_dir
-}
-
 function cookie_header($cookies) {
     if(!$cookies) { return }
 
@@ -739,23 +727,6 @@ function run($exe, $arg, $msg, $continue_exit_codes) {
     return $true
 }
 
-function unpack_inno($fname, $manifest, $dir) {
-    if(!$manifest.innosetup) { return }
-
-    write-host "Unpacking innosetup... " -nonewline
-    innounp -x -d"$dir\_scoop_unpack" "$dir\$fname" > "$dir\innounp.log"
-    if($lastexitcode -ne 0) {
-        abort "Failed to unpack innosetup file. See $dir\innounp.log"
-    }
-
-    Get-ChildItem "$dir\_scoop_unpack\{app}" -r | Move-Item -dest "$dir" -force
-
-    Remove-Item -r -force "$dir\_scoop_unpack"
-
-    Remove-Item "$dir\$fname"
-    Write-Host "done." -f Green
-}
-
 function run_installer($fname, $manifest, $architecture, $dir, $global) {
     # MSI or other installer
     $msi = msi $manifest $architecture
@@ -800,17 +771,6 @@ function install_msi($fname, $dir, $msi) {
     Remove-Item $msifile
 }
 
-function extract_msi($path, $to) {
-    $logfile = "$(split-path $path)\msi.log"
-    $ok = run 'msiexec' @('/a', "`"$path`"", '/qn', "TARGETDIR=`"$to`"", "/lwe `"$logfile`"")
-    if(!$ok) { abort "Failed to extract files from $path.`nLog file:`n  $(friendly_path $logfile)" }
-    if(test-path $logfile) { Remove-Item $logfile }
-}
-
-function extract_lessmsi($path, $to) {
-    Invoke-Expression "lessmsi x `"$path`" `"$to\`""
-}
-
 # deprecated
 # get-wmiobject win32_product is slow and checks integrity of each installed program,
 # so this uses the [wmi] type accelerator instead

diff --git a/test/Scoop-Core.Tests.ps1 b/test/Scoop-Core.Tests.ps1
@@ -61,62 +61,6 @@ describe "movedir" -Tag 'Scoop' {
     }
 }
 
-describe "unzip_old" -Tag 'Scoop' {
-    beforeall {
-        $working_dir = setup_working "unzip_old"
-    }
-
-    function test-unzip($from) {
-        $to = strip_ext $from
-
-        if(is_unix) {
-            unzip_old ($from -replace '\\','/') ($to -replace '\\','/')
-        } else {
-            unzip_old ($from -replace '/','\') ($to -replace '/','\')
-        }
-
-        $to
-    }
-
-    context "zip file size is zero bytes" {
-        $zerobyte = "$working_dir\zerobyte.zip"
-        $zerobyte | should -exist
-
-        it "unzips file with zero bytes without error" -skip:$isUnix {
-            # some combination of pester, COM (used within unzip_old), and Win10 causes a bugged return value from test-unzip
-            # `$to = test-unzip $zerobyte` * RETURN_VAL has a leading space and complains of $null usage when used in PoSH functions
-            $to = ([string](test-unzip $zerobyte)).trimStart()
-
-            $to | should -not -match '^\s'
-            $to | should -not -benullorempty
-
-            $to | should -exist
-
-            (Get-ChildItem $to).count | should -be 0
-        }
-    }
-
-    context "zip file is small in size" {
-        $small = "$working_dir\small.zip"
-        $small | should -exist
-
-        it "unzips file which is small in size" -skip:$isUnix {
-            # some combination of pester, COM (used within unzip_old), and Win10 causes a bugged return value from test-unzip
-            # `$to = test-unzip $small` * RETURN_VAL has a leading space and complains of $null usage when used in PoSH functions
-            $to = ([string](test-unzip $small)).trimStart()
-
-            $to | should -not -match '^\s'
-            $to | should -not -benullorempty
-
-            $to | should -exist
-
-            # these don't work for some reason on appveyor
-            #join-path $to "empty" | should -exist
-            #(gci $to).count | should -be 1
-        }
-    }
-}
-
 describe "shim" -Tag 'Scoop' {
     beforeall {
         $working_dir = setup_working "shim"

diff --git a/test/Scoop-Decompress.Tests.ps1 b/test/Scoop-Decompress.Tests.ps1
@@ -0,0 +1,62 @@
+. "$psscriptroot\Scoop-TestLib.ps1"
+. "$psscriptroot\..\lib\core.ps1"
+. "$psscriptroot\..\lib\decompress.ps1"
+. "$psscriptroot\..\lib\unix.ps1"
+
+$isUnix = is_unix
+
+describe "unzip_old" -Tag 'Scoop' {
+    beforeall {
+        $working_dir = setup_working "unzip_old"
+    }
+
+    function test-unzip($from) {
+        $to = strip_ext $from
+
+        if(is_unix) {
+            unzip_old ($from -replace '\\','/') ($to -replace '\\','/')
+        } else {
+            unzip_old ($from -replace '/','\') ($to -replace '/','\')
+        }
+
+        $to
+    }
+
+    context "zip file size is zero bytes" {
+        $zerobyte = "$working_dir\zerobyte.zip"
+        $zerobyte | should -exist
+
+        it "unzips file with zero bytes without error" -skip:$isUnix {
+            # some combination of pester, COM (used within unzip_old), and Win10 causes a bugged return value from test-unzip
+            # `$to = test-unzip $zerobyte` * RETURN_VAL has a leading space and complains of $null usage when used in PoSH functions
+            $to = ([string](test-unzip $zerobyte)).trimStart()
+
+            $to | should -not -match '^\s'
+            $to | should -not -benullorempty
+
+            $to | should -exist
+
+            (Get-ChildItem $to).count | should -be 0
+        }
+    }
+
+    context "zip file is small in size" {
+        $small = "$working_dir\small.zip"
+        $small | should -exist
+
+        it "unzips file which is small in size" -skip:$isUnix {
+            # some combination of pester, COM (used within unzip_old), and Win10 causes a bugged return value from test-unzip
+            # `$to = test-unzip $small` * RETURN_VAL has a leading space and complains of $null usage when used in PoSH functions
+            $to = ([string](test-unzip $small)).trimStart()
+
+            $to | should -not -match '^\s'
+            $to | should -not -benullorempty
+
+            $to | should -exist
+
+            # these don't work for some reason on appveyor
+            #join-path $to "empty" | should -exist
+            #(gci $to).count | should -be 1
+        }
+    }
+}