Install other haskell tools to /usr/local/bin

remove-duplicates-from-sorted-fastq/Haskell/install.sh

@@ -19,6 +19,14 @@ function try_load_gmp_module
     (module --version 2> /dev/null && module load gmp) || :
 }
 
+if [ $(id -u) = 0 ]
+then
+    # We don't want things to be installed in root's home directory.
+    install="install --local-bin-path \"/usr/local/bin\""
+else
+    install="install"
+fi
+
 config_file="${HOME}/.stack/config.yaml"
 
 stack --version 2> /dev/null \
@@ -55,22 +63,16 @@ fi
 
 # cd ${HOME} to ignore local project stack config
 hlint --version 2> /dev/null \
-    || (try_load_gmp_module && (cd ${HOME} && make_stack_options && stack ${stack_options} install hlint)) \
+    || (try_load_gmp_module && (cd ${HOME} && make_stack_options && stack ${stack_options} ${install} hlint)) \
     || error_exit "hlint install failed"
 scan --version 2> /dev/null \
-    || (try_load_gmp_module && (cd ${HOME} && make_stack_options && stack ${stack_options} install scan)) \
+    || (try_load_gmp_module && (cd ${HOME} && make_stack_options && stack ${stack_options} ${install} scan)) \
     || error_exit "scan install failed"
 doctest --version 2> /dev/null \
-    || (try_load_gmp_module && (cd ${HOME} && make_stack_options && stack ${stack_options} install doctest)) \
+    || (try_load_gmp_module && (cd ${HOME} && make_stack_options && stack ${stack_options} ${install} doctest)) \
     || error_exit "doctest install failed"
 
 make_stack_options
 stack ${stack_options} build --exec "hlint src/Main.hs" --exec "scan -j False src/Main.hs" --exec "doctest src/Main.hs"
 
-if [ $(id -u) = 0 ]
-then
-    # We don't want things to be installed in root's home directory.
-    stack install --local-bin-path "/usr/local/bin"
-else
-    stack install
-fi
+stack ${install}