Get installed packages from dpkg.log

impactaky · Jan 13, 2024 · b2bd30d · b2bd30d
1 parent b451f48
commit b2bd30d
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Showing 3 changed files with 56 additions and 1 deletion.
diff --git a/mimic-cross.deno/apt/apt.test.ts b/mimic-cross.deno/apt/apt.test.ts
@@ -1,4 +1,4 @@
-import { deployPackages } from "./apt.ts";
+import { deployPackages, getIntalledPackagesFromLog } from "./apt.ts";
 import { checkNeeded, getElfArch } from "../src/util.ts";
 import $ from "dax/mod.ts";
 import { assert, assertEquals } from "std/assert/mod.ts";
@@ -8,3 +8,20 @@ Deno.test("deployPackages coreutils", async () => {
   assert(await checkNeeded($.path("/bin/cat"), "libmimic-cross.so"));
   assertEquals(await getElfArch($.path("/bin/cat")), "x86_64");
 });
+
+Deno.test("getIntalledPackagesFromLog", async () => {
+  const packages = await getIntalledPackagesFromLog(
+    "2024-01-13 15:26:44",
+    $.path("test/dpkg.log"),
+  );
+  assertEquals(packages, ["libtime-duration-perl", "moreutils", "man-db"]);
+});
+
+Deno.test("getIntalledPackagesFromLog not found", async () => {
+  const packages = await getIntalledPackagesFromLog(
+    "2024-01-13 15:26:48",
+    $.path("test/dpkg.log"),
+  );
+  assertEquals(packages, []);
+  assert(!packages);
+});
diff --git a/mimic-cross.deno/apt/apt.ts b/mimic-cross.deno/apt/apt.ts
@@ -1,4 +1,5 @@
 import $ from "daxex/mod.ts";
+import { PathRefLike } from "daxex/mod.ts";
 import { prepareChroot, runOnHost } from "../src/chroot.ts";
 import { config } from "../config/config.ts";
 import { deployAllCommands } from "./helper.ts";
@@ -81,3 +82,14 @@ export async function deployInstalledPackages() {
   }).lines();
   await deployPackages(installedPackages);
 }
+
+export function getIntalledPackagesFromLog(
+  ts: string,
+  logFile: PathRefLike = "/var/log/dpkg.log",
+) {
+  return $.cat(logFile).apply((l) => {
+    if (l < ts) return;
+    const m = l.match(/status installed (.*):/);
+    return m?.[1];
+  }).lines();
+}
diff --git a/mimic-cross.deno/test/dpkg.log b/mimic-cross.deno/test/dpkg.log
@@ -0,0 +1,26 @@
+2024-01-11 12:45:02 trigproc man-db:amd64 2.9.1-1 <なし>
+2024-01-11 12:45:02 status half-configured man-db:amd64 2.9.1-1
+2024-01-11 12:45:02 status installed man-db:amd64 2.9.1-1
+2024-01-11 12:45:02 trigproc systemd:amd64 245.4-4ubuntu3.22 <なし>
+2024-01-11 12:45:02 status half-configured systemd:amd64 245.4-4ubuntu3.22
+2024-01-11 12:45:02 status installed systemd:amd64 245.4-4ubuntu3.22
+2024-01-13 15:26:44 startup archives unpack
+2024-01-13 15:26:45 install libtime-duration-perl:all <なし> 1.21-1
+2024-01-13 15:26:45 status half-installed libtime-duration-perl:all 1.21-1
+2024-01-13 15:26:45 status triggers-pending man-db:amd64 2.9.1-1
+2024-01-13 15:26:45 status unpacked libtime-duration-perl:all 1.21-1
+2024-01-13 15:26:45 install moreutils:amd64 <なし> 0.63-1
+2024-01-13 15:26:45 status half-installed moreutils:amd64 0.63-1
+2024-01-13 15:26:45 status unpacked moreutils:amd64 0.63-1
+2024-01-13 15:26:45 startup packages configure
+2024-01-13 15:26:45 configure libtime-duration-perl:all 1.21-1 <なし>
+2024-01-13 15:26:45 status unpacked libtime-duration-perl:all 1.21-1
+2024-01-13 15:26:45 status half-configured libtime-duration-perl:all 1.21-1
+2024-01-13 15:26:45 status installed libtime-duration-perl:all 1.21-1
+2024-01-13 15:26:45 configure moreutils:amd64 0.63-1 <なし>
+2024-01-13 15:26:45 status unpacked moreutils:amd64 0.63-1
+2024-01-13 15:26:45 status half-configured moreutils:amd64 0.63-1
+2024-01-13 15:26:45 status installed moreutils:amd64 0.63-1
+2024-01-13 15:26:45 trigproc man-db:amd64 2.9.1-1 <なし>
+2024-01-13 15:26:45 status half-configured man-db:amd64 2.9.1-1
+2024-01-13 15:26:47 status installed man-db:amd64 2.9.1-1