Implement installer script

src/nimbs/installerscript.nim

@@ -0,0 +1,37 @@
+# SPDX-FileCopyrightText: 2022 Anna <cyber@sysrq.in>
+# SPDX-License-Identifier: BSD-3-Clause
+
+import os, strformat
+
+import options, packageinfo
+
+proc writeCpFile(f: File, source, dest: string) =
+  f.write(&"""echo "-- Installing " & destDir & "{dest}"""")
+  f.write('\n')
+  f.write(&"""cpFile("{source}", destDir & "{dest}")""")
+  f.write('\n')
+
+proc writeMkDir(f: File, dir: string) =
+  f.write(&"""mkDir(destDir & "{dir}")""")
+  f.write('\n')
+
+proc writeInstallerScript*(f: File, pkgInfo: PackageInfo, options: Options) =
+  f.write("""#!/usr/bin/env nim e
+let destDir = getEnv("DESTDIR")
+
+""")
+
+  let packageDir = options.getPkgsDir() / (pkgInfo.name & '-' & pkgInfo.version)
+  f.writeMkDir(packageDir)
+  f.writeCpFile(pkgInfo.nimbleFile, packageDir / pkgInfo.nimbleFile.lastPathPart)
+
+  let offset = pkgInfo.getSourceDir(options).len
+  for entry in pkgInfo.getInstallFiles(options):
+    let dest = packageDir / entry.path.substr(offset)
+    case entry.kind
+    of pcDir:
+      f.write('\n')
+      f.writeMkDir(dest)
+    of pcFile:
+      f.writeCpFile(entry.path, dest)
+    else: continue

tests/installerscript/source-whitelist/source-whitelist.nimble

@@ -0,0 +1,3 @@
+version = "1.0"
+
+installExt = @["nim"]

tests/installerscript/test_source_whitelist.nim

@@ -0,0 +1,27 @@
+# SPDX-FileCopyrightText: 2022 Anna <cyber@sysrq.in>
+# SPDX-License-Identifier: BSD-3-Clause
+
+discard """
+  disabled: "win"
+  output: '''#!/usr/bin/env nim e
+let destDir = getEnv("DESTDIR")
+
+mkDir(destDir & "/opt/nimble/pkgs2/source-whitelist-1.0")
+echo "-- Installing " & destDir & "/opt/nimble/pkgs2/source-whitelist-1.0/source-whitelist.nimble"
+cpFile("tests/installerscript/source-whitelist/source-whitelist.nimble", destDir & "/opt/nimble/pkgs2/source-whitelist-1.0/source-whitelist.nimble")
+echo "-- Installing " & destDir & "/opt/nimble/pkgs2/source-whitelist-1.0/file1.nim"
+cpFile("tests/installerscript/source-whitelist/file1.nim", destDir & "/opt/nimble/pkgs2/source-whitelist-1.0/file1.nim")
+echo "-- Installing " & destDir & "/opt/nimble/pkgs2/source-whitelist-1.0/file2.nim"
+cpFile("tests/installerscript/source-whitelist/file2.nim", destDir & "/opt/nimble/pkgs2/source-whitelist-1.0/file2.nim")
+'''
+"""
+
+import os
+import nimbs/installerscript, nimbs/options, nimbs/packageinfo
+
+var opts = Options(sourceDir: "tests" / "installerscript" / "source-whitelist")
+opts.setNimBin
+opts.setNimbleDir
+
+let pkgInfo = initPackageInfo(opts)
+stdout.writeInstallerScript(pkgInfo, opts)