From fa7ca182a9b0c65f567116b67108da14182e5338 Mon Sep 17 00:00:00 2001
From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Date: Wed, 11 Sep 2024 13:08:14 +0200
Subject: [PATCH 1/5] ci: Print inner env

---
 ci/test/03_test_script.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ci/test/03_test_script.sh b/ci/test/03_test_script.sh
index 7ee424ac9bb0a..1c1b5fa545b0c 100755
--- a/ci/test/03_test_script.sh
+++ b/ci/test/03_test_script.sh
@@ -30,6 +30,10 @@ df -h
 # Tests that run natively guess the host
 export HOST=${HOST:-$("$BASE_ROOT_DIR/depends/config.guess")}
 
+echo "=== BEGIN env ==="
+env
+echo "=== END env ==="
+
 (
   # compact->outputs[i].file_size is uninitialized memory, so reading it is UB.
   # The statistic bytes_written is only used for logging, which is disabled in

From aaaa7cf8bad0e125a67e996162271eb26bef4fb6 Mon Sep 17 00:00:00 2001
From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Date: Wed, 11 Sep 2024 14:56:04 +0200
Subject: [PATCH 2/5] cirrus: Drop CCACHE_NOHASHDIR

Now that the build path is constant again after commit fa193f5dfc9
normalized all folders, this can be dropped.
---
 .cirrus.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.cirrus.yml b/.cirrus.yml
index f5874744b5295..94ddeaf1024a0 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -6,7 +6,6 @@ env:  # Global defaults
   CI_FAILFAST_TEST_LEAVE_DANGLING: "1"  # Cirrus CI does not care about dangling processes and setting this variable avoids killing the CI script itself on error
   CCACHE_MAXSIZE: "200M"
   CCACHE_DIR: "/tmp/ccache_dir"
-  CCACHE_NOHASHDIR: "1"  # Debug info might contain a stale path if the build dir changes, but this is fine
 
 # A self-hosted machine(s) can be used via Cirrus CI. It can be configured with
 # multiple users to run tasks in parallel. No sudo permission is required.

From fa146904e19e345714fd40fd2f0fbad8118957b9 Mon Sep 17 00:00:00 2001
From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Date: Wed, 11 Sep 2024 14:21:57 +0200
Subject: [PATCH 3/5] ci: Bump default CCACHE_MAXSIZE to 500M

This also allows to drop individually hardcoded values, which are
impossible to overwrite and hard to maintain.
---
 .cirrus.yml                                       | 1 -
 ci/test/00_setup_env.sh                           | 2 +-
 ci/test/00_setup_env_mac_native.sh                | 1 -
 ci/test/00_setup_env_native_asan.sh               | 1 -
 ci/test/00_setup_env_native_fuzz.sh               | 1 -
 ci/test/00_setup_env_native_fuzz_with_msan.sh     | 1 -
 ci/test/00_setup_env_native_fuzz_with_valgrind.sh | 1 -
 ci/test/00_setup_env_native_msan.sh               | 1 -
 ci/test/00_setup_env_native_tidy.sh               | 1 -
 9 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/.cirrus.yml b/.cirrus.yml
index 94ddeaf1024a0..085a2939284b0 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -4,7 +4,6 @@ env:  # Global defaults
   MAKEJOBS: "-j10"
   TEST_RUNNER_PORT_MIN: "14000"  # Must be larger than 12321, which is used for the http cache. See https://cirrus-ci.org/guide/writing-tasks/#http-cache
   CI_FAILFAST_TEST_LEAVE_DANGLING: "1"  # Cirrus CI does not care about dangling processes and setting this variable avoids killing the CI script itself on error
-  CCACHE_MAXSIZE: "200M"
   CCACHE_DIR: "/tmp/ccache_dir"
 
 # A self-hosted machine(s) can be used via Cirrus CI. It can be configured with
diff --git a/ci/test/00_setup_env.sh b/ci/test/00_setup_env.sh
index 944655d8ad3a1..fb0099e4dccfe 100755
--- a/ci/test/00_setup_env.sh
+++ b/ci/test/00_setup_env.sh
@@ -53,7 +53,7 @@ export RUN_FUZZ_TESTS=${RUN_FUZZ_TESTS:-false}
 export BOOST_TEST_RANDOM=${BOOST_TEST_RANDOM:-1}
 # See man 7 debconf
 export DEBIAN_FRONTEND=noninteractive
-export CCACHE_MAXSIZE=${CCACHE_MAXSIZE:-100M}
+export CCACHE_MAXSIZE=${CCACHE_MAXSIZE:-500M}
 export CCACHE_TEMPDIR=${CCACHE_TEMPDIR:-/tmp/.ccache-temp}
 export CCACHE_COMPRESS=${CCACHE_COMPRESS:-1}
 # The cache dir.
diff --git a/ci/test/00_setup_env_mac_native.sh b/ci/test/00_setup_env_mac_native.sh
index 76668d97f206e..087846a8a5eab 100755
--- a/ci/test/00_setup_env_mac_native.sh
+++ b/ci/test/00_setup_env_mac_native.sh
@@ -15,5 +15,4 @@ export BITCOIN_CONFIG="-DBUILD_GUI=ON -DWITH_ZMQ=ON -DWITH_MINIUPNPC=ON -DWITH_N
 export CI_OS_NAME="macos"
 export NO_DEPENDS=1
 export OSX_SDK=""
-export CCACHE_MAXSIZE=400M
 export RUN_FUZZ_TESTS=true
diff --git a/ci/test/00_setup_env_native_asan.sh b/ci/test/00_setup_env_native_asan.sh
index 0ec30f23af116..e27563f3237bf 100755
--- a/ci/test/00_setup_env_native_asan.sh
+++ b/ci/test/00_setup_env_native_asan.sh
@@ -32,4 +32,3 @@ export BITCOIN_CONFIG="\
  -DAPPEND_CXXFLAGS='-std=c++23' \
  -DAPPEND_CPPFLAGS='-DARENA_DEBUG -DDEBUG_LOCKORDER' \
 "
-export CCACHE_MAXSIZE=300M
diff --git a/ci/test/00_setup_env_native_fuzz.sh b/ci/test/00_setup_env_native_fuzz.sh
index e1a353056df8f..1aa24870454ca 100755
--- a/ci/test/00_setup_env_native_fuzz.sh
+++ b/ci/test/00_setup_env_native_fuzz.sh
@@ -23,5 +23,4 @@ export BITCOIN_CONFIG="\
  -DCMAKE_C_FLAGS='-ftrivial-auto-var-init=pattern' \
  -DCMAKE_CXX_FLAGS='-ftrivial-auto-var-init=pattern' \
 "
-export CCACHE_MAXSIZE=200M
 export LLVM_SYMBOLIZER_PATH="/usr/bin/llvm-symbolizer-18"
diff --git a/ci/test/00_setup_env_native_fuzz_with_msan.sh b/ci/test/00_setup_env_native_fuzz_with_msan.sh
index 7cea4d73afc6d..cfdbc8c0142a7 100755
--- a/ci/test/00_setup_env_native_fuzz_with_msan.sh
+++ b/ci/test/00_setup_env_native_fuzz_with_msan.sh
@@ -31,4 +31,3 @@ export USE_MEMORY_SANITIZER="true"
 export RUN_UNIT_TESTS="false"
 export RUN_FUNCTIONAL_TESTS="false"
 export RUN_FUZZ_TESTS=true
-export CCACHE_MAXSIZE=250M
diff --git a/ci/test/00_setup_env_native_fuzz_with_valgrind.sh b/ci/test/00_setup_env_native_fuzz_with_valgrind.sh
index 02903b5199590..867615c0151b3 100755
--- a/ci/test/00_setup_env_native_fuzz_with_valgrind.sh
+++ b/ci/test/00_setup_env_native_fuzz_with_valgrind.sh
@@ -21,4 +21,3 @@ export BITCOIN_CONFIG="\
  -DCMAKE_C_COMPILER=clang-16 \
  -DCMAKE_CXX_COMPILER=clang++-16 \
 "
-export CCACHE_MAXSIZE=200M
diff --git a/ci/test/00_setup_env_native_msan.sh b/ci/test/00_setup_env_native_msan.sh
index 2c85ba31d160f..c6b3d68be60b6 100755
--- a/ci/test/00_setup_env_native_msan.sh
+++ b/ci/test/00_setup_env_native_msan.sh
@@ -28,4 +28,3 @@ export BITCOIN_CONFIG="\
 "
 export USE_MEMORY_SANITIZER="true"
 export RUN_FUNCTIONAL_TESTS="false"
-export CCACHE_MAXSIZE=250M
diff --git a/ci/test/00_setup_env_native_tidy.sh b/ci/test/00_setup_env_native_tidy.sh
index 5105455df84f4..4a6f5bb3e22ca 100755
--- a/ci/test/00_setup_env_native_tidy.sh
+++ b/ci/test/00_setup_env_native_tidy.sh
@@ -25,4 +25,3 @@ export BITCOIN_CONFIG="\
  -DCMAKE_C_FLAGS_RELWITHDEBINFO='-O0 -g0' \
  -DCMAKE_CXX_FLAGS_RELWITHDEBINFO='-O0 -g0' \
 "
-export CCACHE_MAXSIZE=200M

From fa252da0b9cc6c7e795366ce4a1ddc4c198dff15 Mon Sep 17 00:00:00 2001
From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Date: Wed, 11 Sep 2024 14:42:07 +0200
Subject: [PATCH 4/5] ci: Remove hardcoded CCACHE_DIR in cirrus

This makes it easier to overwrite the value.

Also, drop the dot in the CCACHE_DIR fallback value, because the folder
in the scratch dir does not need and probably should not be hidden.
---
 .cirrus.yml             | 1 -
 ci/test/00_setup_env.sh | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/.cirrus.yml b/.cirrus.yml
index 085a2939284b0..bea1144aa2aff 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -4,7 +4,6 @@ env:  # Global defaults
   MAKEJOBS: "-j10"
   TEST_RUNNER_PORT_MIN: "14000"  # Must be larger than 12321, which is used for the http cache. See https://cirrus-ci.org/guide/writing-tasks/#http-cache
   CI_FAILFAST_TEST_LEAVE_DANGLING: "1"  # Cirrus CI does not care about dangling processes and setting this variable avoids killing the CI script itself on error
-  CCACHE_DIR: "/tmp/ccache_dir"
 
 # A self-hosted machine(s) can be used via Cirrus CI. It can be configured with
 # multiple users to run tasks in parallel. No sudo permission is required.
diff --git a/ci/test/00_setup_env.sh b/ci/test/00_setup_env.sh
index fb0099e4dccfe..d488a86024899 100755
--- a/ci/test/00_setup_env.sh
+++ b/ci/test/00_setup_env.sh
@@ -58,7 +58,7 @@ export CCACHE_TEMPDIR=${CCACHE_TEMPDIR:-/tmp/.ccache-temp}
 export CCACHE_COMPRESS=${CCACHE_COMPRESS:-1}
 # The cache dir.
 # This folder exists only on the ci guest, and on the ci host as a volume.
-export CCACHE_DIR=${CCACHE_DIR:-$BASE_SCRATCH_DIR/.ccache}
+export CCACHE_DIR="${CCACHE_DIR:-$BASE_SCRATCH_DIR/ccache}"
 # Folder where the build result is put (bin and lib).
 export BASE_OUTDIR=${BASE_OUTDIR:-$BASE_SCRATCH_DIR/out}
 # The folder for previous release binaries.

From fa99e4521b6fc0e7f6636d40bc0d6a7325227374 Mon Sep 17 00:00:00 2001
From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Date: Wed, 11 Sep 2024 15:31:23 +0200
Subject: [PATCH 5/5] ci: Allow CCACHE_DIR bind mount

This may be useful. For example, to store the directory in a specific
place, instead of having to use a volume.

Possibly, but not limited to sharing a cache:
https://ccache.dev/manual/4.10.1.html#_sharing_a_local_cache
---
 ci/test/02_run_container.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ci/test/02_run_container.sh b/ci/test/02_run_container.sh
index afd447c347f73..1727f9296b196 100755
--- a/ci/test/02_run_container.sh
+++ b/ci/test/02_run_container.sh
@@ -48,6 +48,14 @@ if [ -z "$DANGER_RUN_CI_ON_HOST" ]; then
     CI_PREVIOUS_RELEASES_MOUNT="type=bind,src=${PREVIOUS_RELEASES_DIR},dst=$PREVIOUS_RELEASES_DIR"
   fi
 
+  if [ "$DANGER_CI_ON_HOST_CCACHE_FOLDER" ]; then
+    if [ ! -d "${CCACHE_DIR}" ]; then
+      echo "Error: Directory '${CCACHE_DIR}' must be created in advance."
+      exit 1
+    fi
+    CI_CCACHE_MOUNT="type=bind,src=${CCACHE_DIR},dst=${CCACHE_DIR}"
+  fi
+
   docker network create --ipv6 --subnet 1111:1111::/112 ci-ip6net || true
 
   if [ -n "${RESTART_CI_DOCKER_BEFORE_RUN}" ] ; then