Merge old jqlang/jq master to the latest

.gitattributes

@@ -1,2 +1,3 @@
 .gitattributes export-ignore
 .gitignore export-ignore
+* text=auto eol=lf

.github/workflows/linux.yml

@@ -0,0 +1,70 @@
+name: Linux Build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  linux:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        name: [linux-clang, linux-gcc]
+        include:
+          - name: linux-clang
+            os: ubuntu-22.04
+            compiler: clang
+            cflags: ''
+          - name: linux-gcc
+            os: ubuntu-22.04
+            compiler: gcc
+            cflags: '-Wnonnull'
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install packages
+        run: |
+          sudo apt-get update -qq
+          sudo apt-get install -y \
+            automake \
+            autoconf \
+            bison \
+            flex \
+            gdb \
+            python3 \
+            valgrind
+      - name: Build
+        env:
+          CC: ${{ matrix.compiler }}
+          MAKEVARS: ${{ matrix.makevars }}
+        run: |
+          autoreconf -fi
+          rm src/lexer.c src/lexer.h
+          rm src/parser.c src/parser.h
+          ./configure --disable-valgrind --with-oniguruma=builtin YACC="$(which bison) -y" $COVERAGE
+          make -j4
+          make dist
+      - name: Test
+        env:
+          CC: ${{ matrix.compiler }}
+          MAKEVARS: ${{ matrix.makevars }}
+        run: |
+          ulimit -c unlimited
+          make -j4 check
+      - name: Upload Test Logs
+        if: ${{ failure() }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-logs
+          path: |
+            test-suite.log
+            tests/*.log
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: jq-${{ matrix.name }}
+          path: |
+            jq

.github/workflows/macos.yml

@@ -0,0 +1,62 @@
+name: MacOS Build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  macos:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        name: [macos-12-clang, macos-13-clang]
+        include:
+          - name: macos-12-clang
+            os: macos-12
+            compiler: clang
+          - name: macos-13-clang
+            os: macos-13
+            compiler: clang
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install packages
+        run: |
+          brew update
+          brew install autoconf automake libtool flex bison python3
+          sed -i.bak '/^AM_INIT_AUTOMAKE(\[-Wno-portability 1\.14\])$/s/14/11/' modules/oniguruma/configure.ac
+      - name: Build
+        env:
+          CC: ${{ matrix.compiler }}
+          MAKEVARS: ${{ matrix.makevars }}
+        run: |
+          autoreconf -fi
+          rm src/lexer.c src/lexer.h
+          rm src/parser.c src/parser.h
+          ./configure --disable-valgrind --with-oniguruma=builtin YACC="$(brew --prefix)/opt/bison/bin/bison -y" $COVERAGE
+          make -j4
+          make dist
+      - name: Test
+        env:
+          CC: ${{ matrix.compiler }}
+          MAKEVARS: ${{ matrix.makevars }}
+        run: |
+          ulimit -c unlimited
+          make -j4 check
+      - name: Upload Test Logs
+        if: ${{ failure() }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-logs
+          path: |
+            test-suite.log
+            tests/*.log
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: jq-${{ matrix.name }}
+          path: |
+            jq

.github/workflows/scanbuild.yml

@@ -0,0 +1,77 @@
+name: Linux Clang scan-build Static Analyzer Build
+
+on:
+    # Don't do this for PRs.  It eats up minutes.
+    push:
+      branches:
+         - 'master'
+         - 'scan-build'
+      paths:
+         - '.github/workflows/scanbuild.yml'
+
+jobs:
+    unix:
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                name: [linux-clang]
+                include:
+                    - name: linux-clang
+                      os: ubuntu-18.04
+                      compiler: clang
+                      cflags: ''
+        steps:
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Open Submodule(s)
+              run: |
+                git submodule update --init --recursive
+            - name: Install packages
+              if: startsWith(matrix.os, 'ubuntu')
+              run: |
+                sudo apt-get update -qq
+                sudo apt-get install -y automake autoconf bison flex gdb python valgrind clang-tools
+            - name: Prep
+              run: |
+                #pyenv global 3.6.7
+                #pip3 install pipenv
+                #(cd docs && pipenv sync)
+                #if [ -n "$COVERAGE" ]; then pip install --user cpp-coveralls; fi
+                echo SHELL=$SHELL
+                echo PATH=$PATH
+                which bison
+                bison --version
+
+            - name: Build
+              env:
+                CC: ${{ matrix.compiler }}
+                MAKEVARS: ${{ matrix.makevars }}
+              run: |
+                autoreconf -fi
+                rm src/lexer.c src/lexer.h
+                rm src/parser.c src/parser.h
+                ./configure --with-oniguruma=builtin YACC="$(which bison) -y" $COVERAGE
+                scan-build --keep-going make -j4
+            - name: Test
+              env:
+                CC: ${{ matrix.compiler }}
+                MAKEVARS: ${{ matrix.makevars }}
+              run: |
+                ulimit -c unlimited
+                scan-build --keep-going make -j4 check
+            - name: Core dump stacks
+              run: |
+                echo "thread apply all bt" > /tmp/x
+                find . -name core -print | while read core; do gdb -batch -x x `file "$core"|sed -e "s/^[^']*'//" -e "s/[ '].*$//"` "$core"; done
+                if [ "$(find . -name core -print | wc -l)" -gt 0 ]; then false; fi
+            - name: Test logs
+              if: ${{ failure() }}
+              run: |
+                cat test-suite.log
+                cat tests/*.log
+            - name: Upload Logs
+              uses: actions/upload-artifact@v2
+              with:
+                name: Scan-Build Reports
+                path: '/tmp/scan-build*/'

.github/workflows/windows.yml

@@ -0,0 +1,45 @@
+name: Windows Build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  windows:
+    runs-on: windows-latest
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+        with:
+          submodules: true
+      - uses: msys2/setup-msys2@v2
+        with:
+          update: true
+          install: >-
+            base-devel
+            git
+            clang
+            autoconf
+            automake
+            libtool
+            p7zip
+      - shell: msys2 {0}
+        run: |
+          autoreconf -fiv
+          ./configure --disable-valgrind --with-oniguruma=builtin --disable-shared --enable-static --enable-all-static
+          make -j4
+          make SUBDIRS= "TESTS=tests/mantest tests/jqtest tests/onigtest tests/base64test" check
+      - name: Upload Test Logs
+        if: ${{ failure() }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-logs
+          path: |
+            test-suite.log
+            tests/*.log
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: jq-windows
+          path: |
+            jq.exe

README.md

@@ -72,4 +72,8 @@ cross-compilation environment.  See also
 ["Cross compilation"](https://github.com/jqlang/jq/wiki/Cross-compilation) on
 the wiki.
 
-Send questions to https://stackoverflow.com/questions/tagged/jq or to the #jq channel (https://web.libera.chat/#jq) on Libera.Chat (https://libera.chat/).
+
+# Community
+
+* Send questions to https://stackoverflow.com/questions/tagged/jq.
+* Join our [Discord server](https://discord.gg/yg6yjNmgAC).

tests/jq.test

@@ -1565,7 +1565,7 @@ try (1%.) catch .
 jq: error: Division by zero? at <top-level>, line 1:
 
 # Basic numbers tests: integers, powers of two
-[range(-52;52;1)] as $powers | [$powers[]|pow(2;.)|log2] == $powers
+[range(-52;52;1)] as $powers | [$powers[]|pow(2;.)|log2|round] == $powers
 null
 true