Merge pull request #52 from grialion/feat-help-version-menu

feat: help, version menu

.clang-format

@@ -6,3 +6,6 @@ AllowShortIfStatementsOnASingleLine: WithoutElse
 AlignAfterOpenBracket: Align
 BinPackParameters: true
 AllowAllParametersOfDeclarationOnNextLine: true
+
+IndentPPDirectives: BeforeHash
+IndentGotoLabels: true

.github/workflows/build.yml

@@ -0,0 +1,130 @@
+name: Build
+
+on:
+  workflow_call:
+
+jobs:
+  build-linux-amd64:
+    name: amd64
+    runs-on: ubuntu-24.04
+    permissions: write-all
+    steps:
+      - uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: "git libpam0g-dev"
+          version: 1.0
+      - uses: actions/checkout@v4
+      - id: build
+        run: ARCH=amd64 assets/github_scripts/build.sh
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: build-amd64
+          path: lidm-amd64
+          retention-days: 1
+
+  build-linux-i386:
+    name: i386
+    runs-on: ubuntu-24.04
+    permissions: write-all
+
+    steps:
+      - uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: "git libpam0g-dev gcc-multilib"
+          version: 1.0
+      - uses: actions/checkout@v4
+      - run: |
+          sudo dpkg --add-architecture i386
+          sudo apt-get update -y
+          sudo apt-get install -y libpam0g-dev:i386
+
+      - id: build
+        run: ARCH=i386 assets/github_scripts/build.sh CFLAGS="-O3 -Wall -m32"
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: build-i386
+          path: lidm-i386
+          retention-days: 1
+
+  build-linux-aarch64:
+    name: aarch64
+    runs-on: ubuntu-24.04
+    permissions: write-all
+    steps:
+      - uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: "git"
+          version: 1.0
+      - uses: actions/checkout@v4
+      - uses: uraimo/run-on-arch-action@v2
+        with:
+          arch: aarch64
+          distro: ubuntu22.04
+          githubToken: ${{ github.token }}
+          install: |
+            apt-get update && \
+            apt-get install -y make gcc libpam0g-dev
+          run: ARCH=aarch64 GITHUB_STEP_SUMMARY=gss.out GITHUB_OUTPUT=go.out assets/github_scripts/build.sh
+      - run: set +e; cat gss.out >>"$GITHUB_STEP_SUMMARY"; cat go.out >>"$GITHUB_OUTPUT"
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: build-aarch64
+          path: lidm-aarch64
+          retention-days: 1
+
+  build-linux-armv7:
+    name: armv7
+    runs-on: ubuntu-24.04
+    permissions: write-all
+    steps:
+      - uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: "git"
+          version: 1.0
+      - uses: actions/checkout@v4
+      - uses: uraimo/run-on-arch-action@v2
+        with:
+          arch: armv7
+          distro: ubuntu22.04
+          githubToken: ${{ github.token }}
+          install: |
+            apt-get update && \
+            apt-get install -y make gcc libpam0g-dev
+          run: ARCH=armv7 GITHUB_STEP_SUMMARY=gss.out GITHUB_OUTPUT=go.out assets/github_scripts/build.sh
+      - run: set +e; cat gss.out >>"$GITHUB_STEP_SUMMARY"; cat go.out >>"$GITHUB_OUTPUT"
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: build-armv7
+          path: lidm-armv7
+          retention-days: 1
+
+  build-linux-riscv64:
+    name: riscv64
+    runs-on: ubuntu-24.04
+    permissions: write-all
+    steps:
+      - uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: "git"
+          version: 1.0
+      - uses: actions/checkout@v4
+      - uses: uraimo/run-on-arch-action@v2
+        with:
+          arch: riscv64
+          distro: ubuntu22.04
+          githubToken: ${{ github.token }}
+          install: |
+            apt-get update && \
+            apt-get install -y make gcc libpam0g-dev
+          run: ARCH=riscv64 GITHUB_STEP_SUMMARY=gss.out GITHUB_OUTPUT=go.out assets/github_scripts/build.sh
+      - run: set +e; cat gss.out >>"$GITHUB_STEP_SUMMARY"; cat go.out >>"$GITHUB_OUTPUT"
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: build-riscv64
+          path: lidm-riscv64
+          retention-days: 1

.github/workflows/check-and-build.yml

@@ -1,291 +0,0 @@
-name: Check and Build
-
-on:
-  workflow_call:
-    inputs:
-      set-statuses:
-        required: false
-        default: true
-        type: boolean
-
-jobs:
-  spellcheck:
-    name: Check Grammar
-    runs-on: ubuntu-24.04
-
-    steps:
-      - uses: actions/checkout@v4
-      - uses: awalsh128/cache-apt-pkgs-action@latest
-        with:
-          packages: "codespell"
-          version: 1.0
-      - run: codespell
-
-  shellcheck:
-    name: Shell Check
-    runs-on: ubuntu-24.04
-
-    steps:
-      - uses: actions/checkout@v4
-      - uses: awalsh128/cache-apt-pkgs-action@latest
-        with:
-          packages: "shellcheck"
-          version: 1.0
-      - run: find . -type f -name '*.sh' -not -path './assets/pkg/aur/*/src/*' | xargs shellcheck
-
-  clangcheck:
-    name: Clang Check
-    runs-on: ubuntu-24.04
-
-    steps:
-      - uses: actions/checkout@v4
-      - uses: awalsh128/cache-apt-pkgs-action@latest
-        with:
-          packages: "clang-format clang-tidy"
-          version: 1.0
-      - run: clang-format -ni src/*.c include/*.h
-      # TODO: include when the errors/warnings are bearable
-      #- run: clang-tidy src/*.c include/*.h
-
-  build-linux-amd64:
-    name: Build for amd64
-    runs-on: ubuntu-24.04
-    permissions: write-all
-    needs: [spellcheck, shellcheck, clangcheck]
-
-    steps:
-      - uses: actions/checkout@v4
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: pending
-          description: ${{ steps.build.outputs.DESCR }}
-          context: Build for amd64
-      - uses: awalsh128/cache-apt-pkgs-action@latest
-        with:
-          packages: "libpam0g-dev"
-          version: 1.0
-      - id: build
-        run: |
-          make -j$(nproc) 2> /tmp/stderr || (ERR=$?; cat /tmp/stderr >&2; exit $ERR)
-          cat /tmp/stderr >&2
-
-          HSIZE="$(stat --printf="%s" lidm | numfmt --to=iec-i)B"
-          WARNS="$(cat /tmp/stderr | grep '^[^ ]*\.[ch]:' | wc -l)"
-          mv lidm lidm-amd64
-
-          echo "DESCR='$HSIZE, $WARNS warnings'" >> "$GITHUB_OUTPUT"
-
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: ${{ job.status }}
-          description: ${{ steps.build.outputs.DESCR }}
-          context: Build for amd64
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: build-amd64
-          path: lidm-amd64
-          retention-days: 1
-
-  build-linux-i386:
-    name: Build for i386
-    runs-on: ubuntu-24.04
-    permissions: write-all
-    needs: [spellcheck, shellcheck, clangcheck]
-
-    steps:
-      - uses: actions/checkout@v4
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: pending
-          description: ${{ steps.build.outputs.DESCR }}
-          context: Build for i386
-      - uses: awalsh128/cache-apt-pkgs-action@latest
-        with:
-          packages: "libpam0g-dev gcc-multilib"
-          version: 1.0
-      - run: |
-          sudo dpkg --add-architecture i386
-          sudo apt-get update -y
-          sudo apt-get install -y libpam0g-dev:i386
-
-      - id: build
-        run: |
-          make -j$(nproc) CFLAGS="-O3 -Wall -m32" 2> /tmp/stderr || (ERR=$?; cat /tmp/stderr >&2; exit $ERR)
-          cat /tmp/stderr >&2
-
-          HSIZE="$(stat --printf="%s" lidm | numfmt --to=iec-i)B"
-          WARNS="$(cat /tmp/stderr | grep '^[^ ]*\.[ch]:' | wc -l)"
-          mv lidm lidm-i386
-
-          echo "DESCR='$HSIZE, $WARNS warnings'" >> "$GITHUB_OUTPUT"
-
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: ${{ job.status }}
-          description: ${{ steps.build.outputs.DESCR }}
-          context: Build for i386
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: build-i386
-          path: lidm-i386
-          retention-days: 1
-
-  build-linux-aarch64:
-    name: Build for aarch64
-    runs-on: ubuntu-24.04
-    permissions: write-all
-    needs: [spellcheck, shellcheck, clangcheck]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: pending
-          description: ${{ steps.status.outputs.DESCR }}
-          context: Build for aarch64
-      - uses: uraimo/run-on-arch-action@v2
-        with:
-          arch: aarch64
-          distro: ubuntu22.04
-          githubToken: ${{ github.token }}
-          install: |
-            apt-get update && \
-            apt-get install -y make gcc libpam0g-dev
-          run: |
-            make -j$(nproc) 2> /tmp/stderr || (ERR=$?; cat /tmp/stderr >&2; exit $ERR)
-
-            cat /tmp/stderr >&2
-            mv lidm lidm-aarch64
-
-      - if: inputs.set-statuses
-        id: status
-        run: |
-          HSIZE="$(stat --printf="%s" lidm-aarch64 | numfmt --to=iec-i)B"
-          WARNS="$(cat /tmp/stderr | grep '^[^ ]*\.[ch]:' | wc -l)"
-
-          echo "DESCR='$HSIZE, $WARNS warnings'" >> "$GITHUB_OUTPUT"
-
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: ${{ job.status }}
-          description: ${{ steps.status.outputs.DESCR }}
-          context: Build for aarch64
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: build-aarch64
-          path: lidm-aarch64
-          retention-days: 1
-
-  build-linux-armv7:
-    name: Build for armv7
-    runs-on: ubuntu-24.04
-    permissions: write-all
-    needs: [spellcheck, shellcheck, clangcheck]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: pending
-          description: ${{ steps.status.outputs.DESCR }}
-          context: Build for armv7
-      - uses: uraimo/run-on-arch-action@v2
-        with:
-          arch: armv7
-          distro: ubuntu22.04
-          githubToken: ${{ github.token }}
-          install: |
-            apt-get update && \
-            apt-get install -y make gcc libpam0g-dev
-          run: |
-            make -j$(nproc) 2> /tmp/stderr || (ERR=$?; cat /tmp/stderr >&2; exit $ERR)
-
-            cat /tmp/stderr >&2
-            mv lidm lidm-armv7
-
-      - if: inputs.set-statuses
-        id: status
-        run: |
-          HSIZE="$(stat --printf="%s" lidm-armv7 | numfmt --to=iec-i)B"
-          WARNS="$(cat /tmp/stderr | grep '^[^ ]*\.[ch]:' | wc -l)"
-
-          echo "DESCR='$HSIZE, $WARNS warnings'" >> "$GITHUB_OUTPUT"
-
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: ${{ job.status }}
-          description: ${{ steps.status.outputs.DESCR }}
-          context: Build for armv7
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: build-armv7
-          path: lidm-armv7
-          retention-days: 1
-
-  build-linux-riscv64:
-    name: Build for riscv64
-    runs-on: ubuntu-24.04
-    permissions: write-all
-    needs: [spellcheck, shellcheck, clangcheck]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: pending
-          description: ${{ steps.status.outputs.DESCR }}
-          context: Build for riscv64
-      - uses: uraimo/run-on-arch-action@v2
-        with:
-          arch: riscv64
-          distro: ubuntu22.04
-          githubToken: ${{ github.token }}
-          install: |
-            apt-get update && \
-            apt-get install -y make gcc libpam0g-dev
-          run: |
-            make -j$(nproc) 2> /tmp/stderr || (ERR=$?; cat /tmp/stderr >&2; exit $ERR)
-
-            cat /tmp/stderr >&2
-            mv lidm lidm-riscv64
-
-      - if: inputs.set-statuses
-        id: status
-        run: |
-          HSIZE="$(stat --printf="%s" lidm-riscv64 | numfmt --to=iec-i)B"
-          WARNS="$(cat /tmp/stderr | grep '^[^ ]*\.[ch]:' | wc -l)"
-
-          echo "DESCR='$HSIZE, $WARNS warnings'" >> "$GITHUB_OUTPUT"
-
-      - uses: myrotvorets/set-commit-status-action@master
-        if: inputs.set-statuses
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          status: ${{ job.status }}
-          description: ${{ steps.status.outputs.DESCR }}
-          context: Build for riscv64
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: build-riscv64
-          path: lidm-riscv64
-          retention-days: 1

.github/workflows/check.yml

@@ -0,0 +1,43 @@
+name: Check
+
+on:
+  workflow_call:
+
+jobs:
+  spellcheck:
+    name: Grammar
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: "codespell"
+          version: 1.0
+      - run: codespell
+
+  shellcheck:
+    name: Shellcheck
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: "shellcheck"
+          version: 1.0
+      - run: find . -type f -name '*.sh' -not -path './assets/pkg/aur/*/src/*' | xargs shellcheck
+
+  clangcheck:
+    name: Clang
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: "clang-format clang-tidy bear libpam0g-dev"
+          version: 1.0
+      - run: bear -- make
+      - run: clang-format -ni src/*.c include/*.h
+      - run: clang-tidy -p . src/*.c include/*.h

.github/workflows/make-release.yml

@@ -2,25 +2,51 @@ name: Check and Build Release
 
 on:
   workflow_dispatch:
-    inputs:
-      version:
-        required: true
-        default: ''
-        type: string
 
 jobs:
-  build:
+  release-checks:
-    name: Check and Build
+    name: Release Checks
-    uses: ./.github/workflows/check-and-build.yml
-    permissions: write-all
-    with:
-      set-statuses: false
-
-  release:
-    name: Make Release v${{ inputs.version }}
     runs-on: ubuntu-24.04
     permissions: write-all
-    needs: build
+    outputs:
+      VERSION: ${{ steps.check-ver-changed.outputs.VERSION }}
+    steps:
+      - uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: "git"
+          version: 1.0
+      - uses: actions/checkout@v4
+
+      - name: Check Version Changed
+        id: check-ver-changed
+        run: |
+          GIT_TAG=$(git describe --no-long --abbrev=0 --tags --always)
+          MAKE_TAG=$(make print-version)
+
+          if [[ "$GIT_TAG" == "v$MAKE_TAG" ]]; then
+            echo "ERR: Git tag matches makefile, did you bump Makefile up?" >&2
+            exit 1
+          fi
+          echo "VERSION=$MAKE_TAG" >> "$GITHUB_OUTPUT"
+
+
+  check:
+    name: Check
+    needs: release-checks
+    uses: ./.github/workflows/check.yml
+    permissions: write-all
+
+  build:
+    name: Build
+    needs: release-checks
+    uses: ./.github/workflows/build.yml
+    permissions: write-all
+
+  release:
+    name: Make Release v${{ needs.release-checks.outputs.VERSION }}
+    runs-on: ubuntu-24.04
+    permissions: write-all
+    needs: [ release-checks, check, build ]
     steps:
       - uses: actions/download-artifact@v4
         with:
@@ -30,7 +56,7 @@ jobs:
 
       - uses: ncipollo/release-action@v1
         with:
-          tag: v${{ inputs.version }}
+          tag: v${{ needs.release-checks.outputs.VERSION }}
           commit: ${{ github.sha }}
           artifacts: builds/lidm-*
           artifactErrorsFailBuild: true
@@ -41,7 +67,7 @@ jobs:
     runs-on: ubuntu-24.04
     container: archlinux:latest
     permissions: write-all
-    needs: release
+    needs: [ release-checks, release ]
     steps:
       - run: pacman -Sy --noconfirm git github-cli base-devel pacman-contrib
 
@@ -53,7 +79,7 @@ jobs:
 
           cd "assets/pkg/aur"
           chown nobody:nobody . -R
-          su - -s /bin/bash nobody -c "$PWD/update-pkgs.sh ${{ inputs.version }}"
+          su - -s /bin/bash nobody -c "$PWD/update-pkgs.sh ${{ needs.release-checks.outputs.VERSION }}"
           su - -s /bin/bash nobody -c "$PWD/test-makepkg.sh" # This will also update -git pkgver
           chown $UID:$(id -g) . -R
 

.github/workflows/push.yml

@@ -1,5 +1,4 @@
-# Kinda based by https://github.com/myrotvorets/set-commit-status-action/actions/runs/12344741285/workflow
+name: _
-name: Push Checks
 
 on:
   push:
@@ -9,7 +8,11 @@ on:
   workflow_dispatch:
 
 jobs:
-  check-and-build:
+  check:
-    name: Check and Build
+    name: Check
-    uses: ./.github/workflows/check-and-build.yml
+    uses: ./.github/workflows/check.yml
+    permissions: write-all
+  build:
+    name: Build
+    uses: ./.github/workflows/build.yml
     permissions: write-all

.gitignore

@@ -8,3 +8,5 @@ valgrind-out.txt
 
 # nix build result
 result
+
+include/version.h

Makefile

@@ -1,3 +1,6 @@
+VERSION = 1.2.0
+.DEFAULT_GOAL := lidm
+
 CDIR=src
 LDIR=lib
 IDIR=include
@@ -7,17 +10,27 @@ PREFIX=/usr
 
 CC?=gcc
 CFLAGS?=-O3 -Wall
-_CFLAGS=-I$(DIR)
 ALLFLAGS=$(CFLAGS) -I$(IDIR)
 
 LIBS=-lpam
 
-_DEPS = log.h util.h ui.h ui_state.h config.h desktop.h auth.h ofield.h efield.h keys.h users.h sessions.h chvt.h macros.h launch_state.h
+_DEPS = version.h log.h util.h ui.h ui_state.h config.h desktop.h auth.h ofield.h efield.h keys.h users.h sessions.h chvt.h macros.h launch_state.h
 DEPS = $(patsubst %,$(IDIR)/%,$(_DEPS))
 
 _OBJ = main.o log.o util.o ui.o ui_state.o config.o desktop.o auth.o ofield.o efield.o users.o sessions.o chvt.o launch_state.o
 OBJ = $(patsubst %,$(ODIR)/%,$(_OBJ))
 
+$(IDIR)/version.h: Makefile .git/HEAD
+	@tmp=$$(mktemp); \
+	printf '' > $$tmp; \
+	echo '#define LIDM_VERSION "'$(VERSION)'"' >> $$tmp; \
+	echo '#define LIDM_GIT_REV "'$$(git describe --long --tags --always)'"' >> $$tmp; \
+	echo '#define LIDM_BUILD_TS '$$(date +%s) >> $$tmp; \
+	if ! cmp -s $$tmp $@; then \
+		mv $$tmp $@; \
+	fi; \
+	rm -f $$tmp;
+
 $(ODIR)/%.o: $(CDIR)/%.c $(DEPS)
 	@mkdir -p $(ODIR)
 	$(CC) -c -o $@ $< $(ALLFLAGS)
@@ -25,7 +38,6 @@ $(ODIR)/%.o: $(CDIR)/%.c $(DEPS)
 lidm: $(OBJ)
 	$(CC) -o $@ $^ $(ALLFLAGS) $(LIBS)
 
-.PHONY: clean
 clean:
 	rm -f $(ODIR)/*.o lidm
 
@@ -78,3 +90,17 @@ pre-commit:
 	find . -type f -name '*.sh' -not -path './assets/pkg/aur/*/src/*' | xargs shellcheck
 	clang-format -i $$(git ls-files "*.c" "*.h")
 	clang-tidy -p . $$(git ls-files "*.c" "*.h")
+
+print-version:
+	@echo $(VERSION)
+
+.PHONY: clean \
+	install uninstall \
+	install-service \
+	install-service-s6 \
+	install-service-dinit \
+	install-service-runit \
+	install-service-openrc \
+	install-service-systemd \
+	pre-commit \
+	print-version

assets/github_scripts/build.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [ -z "$ARCH" ]; then
+    echo "\$ARCH not present" >&2
+    exit 1
+fi
+
+ERR=0
+# shellcheck disable=SC2034
+make -j"$(nproc)" "$@" 2> /tmp/stderr || ERR=$?
+
+BSIZE=$(stat --printf="%s" lidm)
+HSIZE=$(numfmt --to=iec-i<<<"$BSIZE")B
+WARNS=$(
+  { grep -E '^[^ ]+\.[ch]:[0-9]+:[0-9]+: [a-z]+:' /tmp/stderr || :; } \
+  | sed -E 's/^([^ ]+\.[ch]):([0-9]+):([0-9]+): ([a-z]+): (.*)$/::\4 file=\1,line=\2,col=\3::\5/'
+)
+WARNS_NUM=$({ [[ "$WARNS" == "" ]] && echo 0; } || wc -l <<<"$WARNS")
+
+echo "$WARNS"
+
+{
+    echo "# Build for $ARCH"
+    echo ""
+    if [ -s "/tmp/stderr" ]; then
+        echo "<details><summary><code>stderr</code></summary>"
+        echo ""
+        echo "\`\`\`"
+        cat "/tmp/stderr"
+        echo "\`\`\`"
+        echo ""
+        echo "</details>"
+    else
+        echo "*no \`stderr\` to show*"
+    fi
+    echo ""
+    echo "## Stats"
+    echo "* **Filesize:** $HSIZE ($BSIZE B)"
+    echo "* **Warnings & Errors:** $WARNS_NUM"
+} >> "$GITHUB_STEP_SUMMARY"
+
+if [ "$ERR" -ne 0 ]; then exit "$ERR"; fi
+
+mv lidm lidm-"$ARCH"
+
+echo "DESCR='$HSIZE, $WARNS_NUM warnings'" >> "$GITHUB_OUTPUT"

include/macros.h

@@ -20,6 +20,16 @@
   #define UNULLABLE
 #endif
 
+#if defined(__clang__)
+  #define COMPILER_VERSION __VERSION__
+#elif defined(__GNUC__)
+  #define xstr(s) str(s)
+  #define str(s) #s
+
+  #define COMPILER_VERSION \
+    "GCC " xstr(__GNUC__) "." xstr(__GNUC_MINOR__) "." xstr(__GNUC_PATCHLEVEL__)
+#endif
+
 #define LEN(X) (sizeof(X) / sizeof((X)[0]))
 
 #endif

src/main.c

@@ -1,18 +1,23 @@
 #include <pwd.h>
 #include <stdbool.h>
 #include <stdio.h>
+#include <string.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>
+#include <time.h>
 #include <unistd.h>
 
 #include "chvt.h"
 #include "config.h"
 #include "log.h"
+#include "macros.h"
 #include "sessions.h"
 #include "ui.h"
 #include "users.h"
 #include "util.h"
+#include "version.h"
 
+#define DATESTR_MAXBUFSIZE 0x20
 int main(int argc, char* argv[]) {
   // Logger
   char* log_output = getenv("LIDM_LOG");
@@ -27,8 +32,45 @@ int main(int argc, char* argv[]) {
     log_init(log_fd);
   }
 
+  if (argc == 2) {
+    if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
+      // NOLINTBEGIN(clang-analyzer-deadcode.DeadStores)
+      char* version = "?";
+      char* revision = "?";
+      char* builddate = "?";
+      char* compilever = "?";
+      // NOLINTEND(clang-analyzer-deadcode.DeadStores)
+#ifdef LIDM_VERSION
+      version = LIDM_VERSION;
+#endif
+#ifdef LIDM_GIT_REV
+      revision = LIDM_GIT_REV;
+#endif
+#ifdef LIDM_BUILD_TS
+      time_t ts = LIDM_BUILD_TS;
+      char date_buf[DATESTR_MAXBUFSIZE];
+      builddate = date_buf;
+      if (strftime(date_buf, 0xff, "%Y-%m-%dT%H:%M:%SZ", localtime(&ts)) > 0)
+        builddate = date_buf;
+#endif
+#ifdef COMPILER_VERSION
+      compilever = COMPILER_VERSION;
+#endif
+      printf("lidm version %s (git %s, build date %s, compiler %s)\n", version,
+             revision, builddate, compilever);
+      return 0;
+    }
+    if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) {
+      printf(
+          "Usage: lidm [vt number]\n"
+          "Options:\n"
+          "  -h, --help     Display help menu\n"
+          "  -v, --version  Display version information\n");
+      return 0;
+    }
     // Chvt
-  if (argc == 2) chvt_str(argv[1]);
+    chvt_str(argv[1]);
+  }
 
   struct config config = DEFAULT_CONFIG;
   char* conf_override = getenv("LIDM_CONF");