[ci]: make it easy to run analysis locally (#395)

allows for developers to more easily run the analysis locally before
opening a pull request if they wish.

also disables a noisy warning (bugprone-assignment-in-if-condition)
producing too many false positives.

Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/395
Reviewed-by: Berke Kocaoğlu <kberke@metu.edu.tr>
Co-authored-by: NRK <nrk@disroot.org>
Co-committed-by: NRK <nrk@disroot.org>

etc/woodpecker/analysis.sh

@@ -0,0 +1,21 @@
+#!/bin/sh -e
+
+std="c99"
+
+run_cppcheck() {
+    cppcheck --std="$std" --enable=performance,portability \
+        --force --quiet --inline-suppr --error-exitcode=1 \
+        --max-ctu-depth=8 -j"$(nproc)" \
+        $(make OPT_DEP_DEFAULT="$1" dump_cppflags) \
+        --suppress=varFuncNullUB --suppress=uninitvar \
+        *.c
+}
+
+run_tidy() {
+    checks="$(sed '/^#/d' etc/woodpecker/clang-tidy-checks | paste -d ',' -s)"
+    clang-tidy --warnings-as-errors="*" --checks="$checks" --quiet *.c \
+        -- -std="$std" $(make OPT_DEP_DEFAULT="$1" dump_cppflags)
+}
+
+run_cppcheck "0"; run_cppcheck "1";
+run_tidy "0"; run_tidy "1";

etc/woodpecker/analysis.yml

@@ -8,21 +8,4 @@ pipeline:
           imlib2-dev xorgproto \
           libxft-dev libexif-dev giflib-dev libwebp-dev >/dev/null
       make config.h version.h
-      std="c99"
-      run_cppcheck() {
-        cppcheck --std="$std" --enable=performance,portability \
-          --force --quiet --inline-suppr --error-exitcode=1 \
-          --max-ctu-depth=8 -j"$(nproc)" \
-          $(make OPT_DEP_DEFAULT="$1" dump_cppflags) \
-          --suppress=varFuncNullUB --suppress=uninitvar \
-          *.c
-      }
-      run_tidy() {
-        checks="$(sed '/^#/d' etc/woodpecker/clang-tidy-checks | paste -d ',' -s)"
-        clang-tidy --warnings-as-errors="*" --checks="$checks" --quiet *.c \
-                   -- -std="$std" $(make OPT_DEP_DEFAULT="$1" dump_cppflags)
-      }
-      run_cppcheck "0"
-      run_cppcheck "1"
-      run_tidy "0"
-      run_tidy "1"
+      ./etc/woodpecker/analysis.sh

etc/woodpecker/clang-tidy-checks

@@ -8,6 +8,7 @@ misc-*,android-cloexec-*,cert-*,llvm-include-order
 -bugprone-easily-swappable-parameters,-bugprone-narrowing-conversions,-bugprone-incorrect-roundings
 -bugprone-implicit-widening-of-multiplication-result,-bugprone-integer-division
 -android-cloexec-fopen,-android-cloexec-pipe,-cert-err33-c
+-bugprone-assignment-in-if-condition
 
 # false positive warnings
 -clang-analyzer-valist.Uninitialized