enable ccache for github actions

Author: d99kris

.github/actions/setup-ccache/action.yml

@@ -0,0 +1,51 @@
+name: setup-ccache
+
+inputs:
+  max_size:
+    description: Max ccache size
+    default: 1G
+
+  cache_key_prefix:
+    description: Cache key prefix
+    default: ""   # leave empty, auto-use repo name
+
+runs:
+  using: composite
+  steps:
+    - name: Install ccache (Linux)
+      if: runner.os == 'Linux'
+      shell: bash
+      run: sudo apt-get update && sudo apt-get install -y ccache
+
+    - name: Install ccache (macOS)
+      if: runner.os == 'macOS'
+      shell: bash
+      run: |
+        export HOMEBREW_NO_AUTO_UPDATE=1
+        brew install ccache
+
+    - name: Compute cache key
+      id: cache-key
+      shell: bash
+      run: |
+        if [ -n "${{ inputs.cache_key_prefix }}" ]; then
+          PREFIX="${{ inputs.cache_key_prefix }}"
+        else
+          PREFIX="${GITHUB_REPOSITORY##*/}"
+        fi
+        echo "prefix=${PREFIX}" >> "$GITHUB_OUTPUT"
+        echo "ccache_dir=$HOME/.ccache" >> "$GITHUB_OUTPUT"
+
+    - name: Restore ccache
+      uses: actions/cache@v4
+      with:
+        path: ${{ steps.cache-key.outputs.ccache_dir }}
+        key: ${{ steps.cache-key.outputs.prefix }}-${{ runner.os }}-${{ hashFiles('**/CMakeLists.txt','**/*.cmake') }}
+        restore-keys: |
+          ${{ steps.cache-key.outputs.prefix }}-${{ runner.os }}-
+
+    - name: Configure ccache
+      shell: bash
+      run: |
+        ccache --set-config=cache_dir=${{ steps.cache-key.outputs.ccache_dir }}
+        ccache --set-config=max_size=${{ inputs.max_size }}

.github/workflows/linux.yml

@@ -13,6 +13,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v4
+    - name: Setup ccache
+      uses: ./.github/actions/setup-ccache
     - name: Build Linux
       run: ./make.sh all

.github/workflows/macos.yml

@@ -13,6 +13,8 @@ jobs:
     runs-on: macos-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v4
+    - name: Setup ccache
+      uses: ./.github/actions/setup-ccache
     - name: Build macOS
       run: ./make.sh all

make.sh

@@ -136,7 +136,7 @@ if [[ "${DEPS}" == "1" ]]; then
     fi
   elif [ "${OS}" == "Darwin" ]; then
     if command -v brew &> /dev/null; then
-      HOMEBREW_NO_AUTO_UPDATE=1 brew install cmake openssl ncurses xapian sqlite libmagic ossp-uuid w3m || exiterr "deps failed (${OS} brew), exiting."
+      HOMEBREW_NO_AUTO_UPDATE=1 brew install cmake openssl ncurses xapian sqlite libmagic ossp-uuid w3m 2> >(grep -vE "already installed|To reinstall|brew reinstall" >&2) || exiterr "deps failed (${OS} brew), exiting."
     elif command -v port &> /dev/null; then
       sudo port -N install openssl ncurses xapian-core sqlite3 libmagic ossp-uuid w3m || exiterr "deps failed (${OS} port), exiting."
     else
@@ -184,6 +184,13 @@ if [[ "${BUMP}" == "1" ]]; then
   fi
 fi
 
+# ccache zero stats
+if [[ "${BUILD}" == "1" ]] || [[ "${DEBUG}" == "1" ]]; then
+  if command -v ccache &> /dev/null; then
+    ccache -z > /dev/null
+  fi
+fi
+
 # build
 if [[ "${BUILD}" == "1" ]]; then
   echo "-- Using cmake ${CMAKEARGS}"
@@ -199,6 +206,19 @@ if [[ "${DEBUG}" == "1" ]]; then
   mkdir -p dbgbuild && cd dbgbuild && cmake ${CMAKEARGS} .. && make ${MAKEARGS} && cd .. || exiterr "debug build failed, exiting."
 fi
 
+# ccache stats
+if [[ "${BUILD}" == "1" ]] || [[ "${DEBUG}" == "1" ]]; then
+  if command -v ccache &> /dev/null; then
+    CCACHE_STATS="$(ccache -s)"
+    HITS="$(echo "${CCACHE_STATS}" | grep "Hits:" | head -1 | awk '{print $2}')"
+    MISSES="$(echo "${CCACHE_STATS}" | grep "Misses:" | head -1 | awk '{print $2}')"
+    TOTAL="$(echo "${CCACHE_STATS}" | grep "Hits:" | head -1 | awk '{print $4}')"
+    if [ -n "${HITS}" ]; then
+      echo "-- Ccache stats: ${HITS} hits, ${MISSES} misses, ${TOTAL} total."
+    fi
+  fi
+fi
+
 # tests
 if [[ "${TESTS}" == "1" ]]; then
   true # currently this project has no tests

src/nmail.1

@@ -1,5 +1,5 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man.
-.TH NMAIL "1" "February 2026" "nmail 5.11.1" "User Commands"
+.TH NMAIL "1" "February 2026" "nmail 5.11.2" "User Commands"
 .SH NAME
 nmail \- ncurses mail
 .SH SYNOPSIS

src/version.cpp

@@ -7,7 +7,7 @@
 
 #include "version.h"
 
-#define NMAIL_VERSION "5.11.1"
+#define NMAIL_VERSION "5.11.2"
 
 std::string Version::GetBuildOs()
 {