Don't panic on broken pipe (e.g. npmctl list-hosts | head)

Reset SIGPIPE to SIG_DFL at startup so writing to a closed stdout
terminates the process quietly like normal Unix tools, instead of
panicking with "failed printing to stdout: Broken pipe".

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011YPrEZVBpPVoCRyJz2exkZ

.gitea/release-notes.md

@@ -0,0 +1,10 @@
+`npmctl` — CLI för Nginx Proxy Manager (NPM) med sudo-liknande token-auth (lösenordet sparas aldrig, bara en kortlivad token) och en generisk `api`-funktion för vilket HTTP-API som helst.
+
+**Installera (en rad):**
+```
+curl -fsSL https://gitea.brasse-pc.eu/brasse/Npm-cli/raw/branch/main/install.sh | sh
+```
+
+Eller ladda ner rätt binär nedan (`npmctl-linux-x64` / `npmctl-linux-arm64`), `chmod +x` och lägg i PATH. Verifiera mot `checksums.txt`.
+
+📖 Guide: https://gitea.brasse-pc.eu/brasse/Npm-cli/wiki

.gitea/workflows/release.yaml

@@ -63,8 +63,9 @@ jobs:
           cargo build --release --target x86_64-unknown-linux-gnu
           cp target/x86_64-unknown-linux-gnu/release/npmctl dist/npmctl-linux-x64
 
+          cp install.sh dist/install.sh
           cd dist
-          sha256sum npmctl-linux-* > checksums.txt
+          sha256sum npmctl-linux-* install.sh > checksums.txt
           ls -la
 
       - name: Skapa Gitea-release + ladda upp assets
@@ -76,11 +77,15 @@ jobs:
         run: |
           set -eu
           B=dist
-          BODY="npmctl $TAG — CLI för Nginx Proxy Manager (linux x64/arm64). Se wiki: https://gitea.brasse-pc.eu/brasse/Npm-cli/wiki"
-          rid=$(curl -s -X POST "$API/repos/$REPO/releases" -H "Authorization: token $TOKEN" -H 'Content-Type: application/json' -d "{\"tag_name\":\"$TAG\",\"name\":\"$TAG\",\"body\":\"$BODY\"}" | jq -r '.id // empty')
+          BODY=$(cat "$GITHUB_WORKSPACE/.gitea/release-notes.md")
+          payload=$(jq -n --arg tag "$TAG" --arg body "$BODY" '{tag_name:$tag,name:$tag,body:$body}')
+          rid=$(curl -s -X POST "$API/repos/$REPO/releases" -H "Authorization: token $TOKEN" -H 'Content-Type: application/json' -d "$payload" | jq -r '.id // empty')
           [ -z "$rid" ] && rid=$(curl -s "$API/repos/$REPO/releases/tags/$TAG" -H "Authorization: token $TOKEN" | jq -r '.id')
           echo "release id: $rid"
-          for f in npmctl-linux-x64 npmctl-linux-arm64 checksums.txt; do
+          # Uppdatera namn/beskrivning även om releasen redan fanns (rullande 'latest').
+          curl -s -X PATCH "$API/repos/$REPO/releases/$rid" -H "Authorization: token $TOKEN" -H 'Content-Type: application/json' \
+            -d "$(jq -n --arg tag "$TAG" --arg body "$BODY" '{name:$tag,body:$body}')" -o /dev/null
+          for f in npmctl-linux-x64 npmctl-linux-arm64 install.sh checksums.txt; do
             aid=$(curl -s "$API/repos/$REPO/releases/$rid/assets" -H "Authorization: token $TOKEN" | jq -r ".[] | select(.name==\"$f\") | .id")
             if [ -n "$aid" ] && [ "$aid" != "null" ]; then
               echo "ersätter befintlig $f (id $aid)"

Cargo.lock

@@ -629,6 +629,7 @@ dependencies = [
  "chrono",
  "clap",
  "dirs",
+ "libc",
  "reqwest",
  "rpassword",
  "serde",

Cargo.toml

@@ -21,6 +21,9 @@ dirs = "5"
 anyhow = "1"
 chrono = { version = "0.4", default-features = false, features = ["clock", "std"] }
 
+[target.'cfg(unix)'.dependencies]
+libc = "0.2"
+
 [profile.release]
 strip = true
 opt-level = "z"

README.md

@@ -11,12 +11,19 @@ lösenordet sparas aldrig.
 
 👉 **Användning och alla kommandon:** se [wiki:n](https://gitea.brasse-pc.eu/brasse/Npm-cli/wiki).
 
-## Installera (färdig binär)
+## Installera
 
-Hämta senaste binär från [releases](https://gitea.brasse-pc.eu/brasse/Npm-cli/releases):
+En rad (hämtar senaste binär för din arkitektur och lägger den i PATH):
+
+```sh
+curl -fsSL https://gitea.brasse-pc.eu/brasse/Npm-cli/raw/branch/main/install.sh | sh
+```
+
+Miljövariabler: `NPMCTL_INSTALL_DIR` (installkatalog), `NPMCTL_VERSION` (release-tag).
+
+Eller manuellt från [releases](https://gitea.brasse-pc.eu/brasse/Npm-cli/releases):
 
 ```sh
-# välj arkitektur: x64 eller arm64
 curl -fsSL -o npmctl https://gitea.brasse-pc.eu/brasse/Npm-cli/releases/download/latest/npmctl-linux-x64
 chmod +x npmctl && sudo mv npmctl /usr/local/bin/
 npmctl --help

install.sh

@@ -0,0 +1,79 @@
+#!/bin/sh
+# npmctl-installerare — hämtar senaste binär och lägger den i PATH med ETT kommando:
+#
+#   curl -fsSL https://gitea.brasse-pc.eu/brasse/Npm-cli/raw/branch/main/install.sh | sh
+#
+# Miljövariabler:
+#   NPMCTL_INSTALL_DIR   installationskatalog (standard: /usr/local/bin, annars ~/.local/bin)
+#   NPMCTL_VERSION       release-tag att hämta (standard: latest)
+set -eu
+
+REPO="https://gitea.brasse-pc.eu/brasse/Npm-cli"
+VERSION="${NPMCTL_VERSION:-latest}"
+BIN="npmctl"
+
+info() { printf '\033[1;34m==>\033[0m %s\n' "$*"; }
+err()  { printf '\033[1;31mfel:\033[0m %s\n' "$*" >&2; exit 1; }
+
+# --- OS/arch ---
+[ "$(uname -s)" = "Linux" ] || err "endast Linux stöds (hittade $(uname -s))"
+case "$(uname -m)" in
+  x86_64|amd64)   ASSET="npmctl-linux-x64" ;;
+  aarch64|arm64)  ASSET="npmctl-linux-arm64" ;;
+  *) err "arkitektur stöds ej: $(uname -m)" ;;
+esac
+
+# --- verktyg ---
+if command -v curl >/dev/null 2>&1; then DL="curl -fsSL -o"; else
+  command -v wget >/dev/null 2>&1 || err "behöver curl eller wget"
+  DL="wget -qO"
+fi
+
+# --- installationskatalog ---
+DEST="${NPMCTL_INSTALL_DIR:-}"
+if [ -z "$DEST" ]; then
+  if [ "$(id -u)" -eq 0 ] || [ -w /usr/local/bin ]; then
+    DEST="/usr/local/bin"
+  else
+    DEST="$HOME/.local/bin"
+  fi
+fi
+mkdir -p "$DEST" 2>/dev/null || true
+
+URL="$REPO/releases/download/$VERSION/$ASSET"
+TMP="$(mktemp)"
+trap 'rm -f "$TMP"' EXIT
+
+info "Hämtar $ASSET ($VERSION) …"
+$DL "$TMP" "$URL" || err "nedladdning misslyckades: $URL"
+chmod +x "$TMP"
+
+# --- placera binären (med sudo vid behov) ---
+TARGET="$DEST/$BIN"
+if mv "$TMP" "$TARGET" 2>/dev/null; then
+  :
+elif command -v sudo >/dev/null 2>&1; then
+  info "Behöver rättigheter för $DEST — använder sudo"
+  sudo mv "$TMP" "$TARGET" && sudo chmod +x "$TARGET"
+else
+  err "kan inte skriva till $DEST (kör som root, använd sudo, eller sätt NPMCTL_INSTALL_DIR)"
+fi
+trap - EXIT
+
+info "Installerat: $TARGET"
+"$TARGET" --version || true
+
+case ":$PATH:" in
+  *":$DEST:"*) ;;
+  *) info "OBS: $DEST ligger inte i PATH. Lägg till: export PATH=\"$DEST:\$PATH\"" ;;
+esac
+
+cat <<EOF
+
+Kom igång:
+  $BIN --base-url http://127.0.0.1:81 login   # skriv lösenord en gång (cachas som token)
+  $BIN list-hosts
+  $BIN --help
+
+Guide: $REPO/wiki
+EOF

src/main.rs

@@ -14,6 +14,14 @@ use client::NpmClient;
 use config::{resolve_base_url, Paths};
 
 fn main() {
+    // Bete oss som vanliga Unix-verktyg när stdout stängs tidigt (t.ex. `| head`):
+    // återställ SIGPIPE till default så processen avslutas tyst i stället för att
+    // panika på "Broken pipe" i println!.
+    #[cfg(unix)]
+    unsafe {
+        libc::signal(libc::SIGPIPE, libc::SIG_DFL);
+    }
+
     // Egen parse-hantering: vid felaktig input skriver vi ut hjälpen
     // (utöver felmeddelandet), enligt önskemål. --help/--version skrivs ut normalt.
     let cli = match Cli::try_parse() {