aziz · aziz · Sep 14, 2025
diff --git a/bash/bin/cask_report_bash b/bash/bin/cask_report_bash
@@ -0,0 +1,88 @@
+#!/usr/bin/env bash
+# Dependencies: tail, head, grep, cat, git, ansifilter
+# TODO
+# 1. argument to prevent sha update
+
+report() {
+  local type="$1"
+  local latest_sha_file="$HOME/.homebrew-${type}-latest-sha"
+  local cask_repo="/opt/homebrew/Library/Taps/homebrew/homebrew-${type}"
+  local version_regex='^[+-]\s*version\s+["\'""']?(.+?)["\'""']?$'
+  local homepage_regex='^\s+homepage\s+["\'""'](.+)["\'""']\s*$'
+  local -a updated added removed update_available
+
+  cd "$cask_repo" || return 1
+
+  local old_sha
+  if [[ -f "$latest_sha_file" ]]; then
+    old_sha=$(<"$latest_sha_file")
+  else
+    old_sha=$(git log | head -20 | /usr/bin/tail -r | head -1 | ansifilter | sed -nE 's/([a-z0-9]{7})\s.+/\1/p')
+  fi
+  local latest_sha
+  latest_sha=$(git log | head -1 | ansifilter | sed -nE 's/([a-z0-9]{7,})\s.+/\1/p')
+
+  mapfile -t installed_casks < <(brew list --cask)
+  local changes
+  changes=$(git diff --name-status "$old_sha" | grep Casks/ | ansifilter)
+
+  while IFS=$'\t' read -r status path; do
+    [[ -z "$path" ]] && continue
+    local app
+    app=$(sed -nE 's/^Casks\/(.+)\.rb$/\1/p' <<<"$path")
+    [[ -z "$app" ]] && continue
+
+    if [[ "$status" == 'D' ]]; then
+      removed+=("\033[94m${app}\033[0m")
+    else
+      local h homepage
+      h=$(cat "Casks/${app}.rb" | grep -E '^\s+homepage')
+      if [[ -z "$h" ]]; then
+        homepage=""
+      else
+        homepage=$(sed -nE "${homepage_regex}" <<<"$h" | sed -nE 's/'"$homepage_regex"'/\1/p')
+      fi
+      if [[ "$status" == 'A' ]]; then
+        added+=("\033[94m${app}\033[0m [\033[92m${homepage}\033[0m]")
+      elif [[ "$status" == 'M' ]]; then
+        local version_diff last_version current_version
+        version_diff=$(git diff "$old_sha" "Casks/${app}.rb" | grep -E '^[+-]\s+version')
+        if [[ -n "$version_diff" ]]; then
+          last_version=$(sed -n 1p <<<"$version_diff" | sed -nE 's/'"$version_regex"'/\1/p')
+          current_version=$(sed -n 2p <<<"$version_diff" | sed -nE 's/'"$version_regex"'/\1/p')
+        fi
+        local needs_update=""
+        if [[ -n "$version_diff" ]]; then
+          if printf '%s\n' "${installed_casks[@]}" | grep -qx "$app"; then
+            needs_update=1
+            update_available+=("✨  \033[32m${app}\033[0m")
+          fi
+        fi
+        updated+=("\033[94m${app}\033[0m${needs_update:+✨} [\033[92m${homepage}\033[0m]${version_diff:+ \${last_version} \033[33m<\033[0m \${current_version}}")
+      fi
+    fi
+  done <<<"$changes"
+
+  echo -e "\n\033[35m🔮  ${type^^}\033[0m"
+  if ((${#updated[@]})); then
+    echo -e "\033[95mUPDATED\033[0m"
+    printf '%s\n' "${updated[@]}"
+  fi
+  if ((${#added[@]})); then
+    echo -e "\033[95mADDED\033[0m"
+    printf '%s\n' "${added[@]}"
+  fi
+  if ((${#removed[@]})); then
+    echo -e "\033[95mREMOVED\033[0m"
+    printf '%s\n' "${removed[@]}"
+  fi
+  if ((${#update_available[@]})); then
+    echo -e "\033[95mOUTDATED\033[0m"
+    printf '%s\n' "${update_available[@]}"
+  fi
+  echo -e "\033[90mOld SHA: ${old_sha}  New SHA: ${latest_sha}\033[0m"
+
+  printf '%s' "$latest_sha" >"$latest_sha_file"
+}
+
+report cask
diff --git a/bash/bin/cask_report_nodejs b/bash/bin/cask_report_nodejs
@@ -0,0 +1,110 @@
+#!/usr/bin/env node
+// Dependencies: tail, head, grep, cat, git, ansifilter
+// TODO
+// 1. argument to prevent sha update
+
+const fs = require('fs');
+const os = require('os');
+const { execSync } = require('child_process');
+
+function color(code, str) {
+  return `\u001b[${code}m${str}\u001b[0m`;
+}
+
+function report(type) {
+  const latestShaFile = `${os.homedir()}/.homebrew-${type}-latest-sha`;
+  const caskRepo = `/opt/homebrew/Library/Taps/homebrew/homebrew-${type}`;
+  const versionRegex = /^[+-]\s*version\s+['"]?(.+?)['"]?$/;
+  const homepageRegex = /^\s+homepage\s+["'](.+)["']\s*$/;
+  const updated = [];
+  const added = [];
+  const removed = [];
+  const updateAvailable = [];
+
+  process.chdir(caskRepo);
+
+  let oldSha;
+  if (fs.existsSync(latestShaFile)) {
+    oldSha = fs.readFileSync(latestShaFile, 'utf8').trim();
+  } else {
+    const output = execSync('git log | head -20 | /usr/bin/tail -r | head -1 | ansifilter', { encoding: 'utf8' });
+    const m = output.match(/([a-z0-9]{7})\s.+/);
+    oldSha = m ? m[1] : '';
+  }
+  const latestShaOutput = execSync('git log | head -1 | ansifilter', { encoding: 'utf8' });
+  const latestShaMatch = latestShaOutput.match(/([a-z0-9]{7,})\s.+/);
+  const latestSha = latestShaMatch ? latestShaMatch[1] : '';
+
+  const installedCasks = execSync('brew list --cask', { encoding: 'utf8' }).trim().split('\n');
+  const changes = execSync(`git diff --name-status ${oldSha} | grep Casks/ | ansifilter`, { encoding: 'utf8' }).trim().split('\n');
+
+  const apps = changes.map(c => {
+    const [status, path] = c.split('\t');
+    const m = path.match(/^Casks\/(.+)\.rb$/);
+    return m ? { status, name: m[1] } : null;
+  }).filter(Boolean);
+
+  apps.forEach(a => {
+    if (a.status === 'D') {
+      removed.push(color('94', a.name));
+    } else {
+      const h = execSync(`cat Casks/${a.name}.rb | grep -E '^\\s+homepage'`, { encoding: 'utf8' });
+      const homepageMatch = h.match(homepageRegex);
+      const homepage = homepageMatch ? homepageMatch[1] : '';
+      if (a.status === 'A') {
+        added.push(`${color('94', a.name)} [${color('92', homepage)}]`);
+      } else if (a.status === 'M') {
+        let versionDiff = '';
+        try {
+          versionDiff = execSync(`git diff ${oldSha} Casks/${a.name}.rb | grep -E '^[+-]\\s+version'`, { encoding: 'utf8' });
+        } catch {}
+        let lastVersion, currentVersion;
+        if (versionDiff) {
+          [lastVersion, currentVersion] = versionDiff.split('\n');
+          if (lastVersion) {
+            const lm = lastVersion.match(versionRegex);
+            lastVersion = lm ? lm[1] : undefined;
+          }
+          if (currentVersion) {
+            const cm = currentVersion.match(versionRegex);
+            currentVersion = cm ? cm[1] : undefined;
+          }
+        }
+        let needsUpdate = false;
+        if (versionDiff && installedCasks.includes(a.name)) {
+          needsUpdate = true;
+          updateAvailable.push(`✨  ${color('32', a.name)}`);
+        }
+        updated.push([
+          color('94', a.name),
+          needsUpdate ? '✨' : '',
+          ` [${color('92', homepage)}]`,
+          versionDiff ? ` ${lastVersion} ${color('33', '<')} ${currentVersion}` : ''
+        ].join(''));
+      }
+    }
+  });
+
+  console.log(`\n${color('35', '🔮  ' + type.toUpperCase())}`);
+  if (updated.length) {
+    console.log(color('95', 'UPDATED'));
+    console.log(updated.join('\n'));
+  }
+  if (added.length) {
+    console.log(color('95', 'ADDED'));
+    console.log(added.join('\n'));
+  }
+  if (removed.length) {
+    console.log(color('95', 'REMOVED'));
+    console.log(removed.join('\n'));
+  }
+  if (updateAvailable.length) {
+    console.log(color('95', 'OUTDATED'));
+    console.log(updateAvailable.join('\n'));
+  }
+  console.log(color('90', `Old SHA: ${oldSha}  New SHA: ${latestSha}`));
+
+  fs.writeFileSync(latestShaFile, latestSha);
+}
+
+report('cask');