build: relocate tool installation and artifact paths to /tmp

Update Dockerfiles, build tasks, and test scripts to use /tmp for tool storage and execution to ensure compatibility with restricted environments.

Author: arturcic

build/artifacts/Tasks/ArtifactsDotnetToolTest.cs

@@ -22,7 +22,7 @@ public override void Run(BuildContext context)
     {
         if (context.Version == null)
             return;
-        var rootPrefix = string.Empty;
+        var rootPrefix = "/tmp";
         var version = context.Version.NugetVersion;
 
         foreach (var dockerImage in context.Images)

build/artifacts/Tasks/ArtifactsMsBuildCoreTest.cs

@@ -21,7 +21,7 @@ public override void Run(BuildContext context)
     {
         if (context.Version == null)
             return;
-        var rootPrefix = string.Empty;
+        var rootPrefix = "/tmp";
         var version = context.Version.NugetVersion;
 
         foreach (var dockerImage in context.Images)

build/artifacts/Tasks/ArtifactsNativeTest.cs

@@ -23,7 +23,7 @@ public override void Run(BuildContext context)
         if (context.Version?.SemVersion == null)
             return;
         var version = context.Version.SemVersion.ToLower();
-        var rootPrefix = string.Empty;
+        var rootPrefix = "/tmp";
 
         foreach (var dockerImage in context.Images)
         {

build/common/Utilities/DockerContextExtensions.cs

@@ -218,7 +218,7 @@ private IEnumerable<string> GetDockerTags(DockerImage dockerImage,
         private DockerContainerRunSettings GetDockerRunSettings(Architecture arch)
         {
             var currentDir = context.MakeAbsolute(context.Directory("."));
-            var root = string.Empty;
+            var root = "/tmp";
             var settings = new DockerContainerRunSettings
             {
                 Rm = true,

build/docker/Dockerfile

@@ -9,12 +9,12 @@ ARG VERSION
 
 WORKDIR /nuget
 COPY $nugetFolder/ ./
-RUN dotnet tool install GitVersion.Tool --version $VERSION --tool-path /tools --add-source .
+RUN dotnet tool install GitVersion.Tool --version $VERSION --tool-path /tmp/tools --add-source .
 
 FROM $REGISTRY/gittools/build-images:$DISTRO-runtime-$DOTNET_VERSION
 
-WORKDIR /tools
-COPY --from=installer /tools .
+WORKDIR /tmp/tools
+COPY --from=installer /tmp/tools .
 RUN git config --global --add safe.directory '*'
 
-ENTRYPOINT ["/tools/dotnet-gitversion"]
+ENTRYPOINT ["/tmp/tools/dotnet-gitversion"]

tests/scripts/test-global-tool.sh

@@ -17,11 +17,11 @@ do
 done
 
 git config --global --add safe.directory '*'
-result=$(dotnet tool install GitVersion.Tool --version $version --tool-path /tools --add-source $nugetPath) # >/dev/null
+result=$(dotnet tool install GitVersion.Tool --version $version --tool-path /tmp/tools --add-source $nugetPath) # >/dev/null
 status=$?
 if test $status -eq 0
 then
-    /tools/dotnet-gitversion $repoPath /showvariable FullSemver /nocache
+    /tmp/tools/dotnet-gitversion $repoPath /showvariable FullSemver /nocache
 else
     echo $result
 fi

tests/scripts/test-native-tool.sh

@@ -17,11 +17,11 @@ do
 done
 
 git config --global --add safe.directory '*'
-result=$(tar -xvpf /native/gitversion-$runtime-$version.tar.gz -C /native) # >/dev/null
+result=$(tar -xvpf /tmp/native/gitversion-$runtime-$version.tar.gz -C /tmp/native) # >/dev/null
 status=$?
 if test $status -eq 0
 then
-    /native/gitversion $repoPath /showvariable FullSemver /nocache
+    /tmp/native/gitversion $repoPath /showvariable FullSemver /nocache
 else
     echo $result
 fi