cpt: create caches manually for each script that needs it

This makes sure we don't create unnecessary cache directories. We can source the
library without creating directories now.

FossilOrigin-Name: 8d9a38a33265e7a597375bb2ef4aa2263e110fb06c9b5df948d46a64c9b23e95

6 files changed, 28 insertions, 16 deletions

diff --git a/src/cpt-build b/src/cpt-build
index b577176..a143b67 100755
--- a/src/cpt-build
+++ b/src/cpt-build
@@ -10,4 +10,6 @@ case "$1" in
     --version|-v) version ;;
 esac
 
+create_cache
+
 pkg_build "$@"
diff --git a/src/cpt-checksum b/src/cpt-checksum
index 2d303d3..63a567b 100755
--- a/src/cpt-checksum
+++ b/src/cpt-checksum
@@ -10,6 +10,8 @@ case "$1" in
     '') set -- "${PWD##*/}"; export CPT_PATH=${PWD%/*}:$CPT_PATH ;;
 esac
 
+create_cache
+
 for pkg; do pkg_lint    "$pkg" c; done
 for pkg; do pkg_sources "$pkg" c; done
 
diff --git a/src/cpt-download b/src/cpt-download
index da0a692..19c4732 100755
--- a/src/cpt-download
+++ b/src/cpt-download
@@ -13,4 +13,5 @@ case "$1" in
     '') set -- "${PWD##*/}"; export CPT_PATH=${PWD%/*}:$CPT_PATH
 esac
 
+create_cache
 for pkg; do pkg_sources "$pkg"; done
diff --git a/src/cpt-install b/src/cpt-install
index e886ad4..d971974 100755
--- a/src/cpt-install
+++ b/src/cpt-install
@@ -31,6 +31,8 @@ done
 
 pkg_order "$@"
 
+create_cache
+
 # shellcheck disable=2154
 for pkg in $order; do pkg_install "$pkg"; done
 
diff --git a/src/cpt-lib b/src/cpt-lib
index eaf87cc..9f1a5b8 100644
--- a/src/cpt-lib
+++ b/src/cpt-lib
@@ -1420,6 +1420,25 @@ pkg_clean() {
        "$CPT_TMPDIR/$pid-c" "$CPT_TMPDIR/$pid-m"
 }
 
+create_cache() {
+    # A temporary directory can be specified apart from the cache
+    # directory in order to build in a user specified directory.
+    # /tmp could be used in order to build on ram, useful on SSDs.
+    # The user can specify CPT_TMPDIR for this.
+    #
+    # Create the required temporary directories and set the variables
+    # which point to them.
+    mkdir -p "${cac_dir:=${CPT_CACHE:=${XDG_CACHE_HOME:-$HOME/.cache}/cpt}}" \
+             "${CPT_TMPDIR:=$cac_dir}" \
+             "${mak_dir:=$CPT_TMPDIR/build-$pid}" \
+             "${pkg_dir:=$CPT_TMPDIR/pkg-$pid}" \
+             "${tar_dir:=$CPT_TMPDIR/extract-$pid}" \
+             "${src_dir:=$cac_dir/sources}" \
+             "${log_dir:=$cac_dir/logs}" \
+             "${bin_dir:=$cac_dir/bin}"
+
+}
+
 main() {
     set -ef
 
@@ -1489,22 +1508,6 @@ main() {
     # Set a value for CPT_COMPRESS if it isn't set.
     : "${CPT_COMPRESS:=gz}"
 
-    # A temporary directory can be specified apart from the cache
-    # directory in order to build in a user specified directory.
-    # /tmp could be used in order to build on ram, useful on SSDs.
-    # The user can specify CPT_TMPDIR for this.
-    #
-    # Create the required temporary directories and set the variables
-    # which point to them.
-    mkdir -p "${cac_dir:=${CPT_CACHE:=${XDG_CACHE_HOME:-$HOME/.cache}/cpt}}" \
-             "${CPT_TMPDIR:=$cac_dir}" \
-             "${mak_dir:=$CPT_TMPDIR/build-$pid}" \
-             "${pkg_dir:=$CPT_TMPDIR/pkg-$pid}" \
-             "${tar_dir:=$CPT_TMPDIR/extract-$pid}" \
-             "${src_dir:=$cac_dir/sources}" \
-             "${log_dir:=$cac_dir/logs}" \
-             "${bin_dir:=$cac_dir/bin}"
-
 }
 
 main "$@"
diff --git a/src/cpt-update b/src/cpt-update
index 368b23e..417b0e3 100755
--- a/src/cpt-update
+++ b/src/cpt-update
@@ -22,4 +22,6 @@ while [ "$1" ]; do
     esac
 done
 
+create_cache
+
 pkg_updates