Merge pull request #61 from jhunkeler/restructure-the-world

Restructure the world

50 files changed, 438 insertions, 312 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 5c5bc6e..bfee276 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,49 +2,6 @@ include_directories(${CMAKE_BINARY_DIR}/include)
 include_directories(${CMAKE_SOURCE_DIR}/include)
 include_directories(${PROJECT_BINARY_DIR})
 
-add_library(stasis_core STATIC
-        globals.c
-        str.c
-        strlist.c
-        ini.c
-        conda.c
-        environment.c
-        utils.c
-        system.c
-        download.c
-        delivery_postprocess.c
-        delivery_conda.c
-        delivery_docker.c
-        delivery_install.c
-        delivery_artifactory.c
-        delivery_test.c
-        delivery_build.c
-        delivery_show.c
-        delivery_populate.c
-        delivery_init.c
-        delivery.c
-        recipe.c
-        relocation.c
-        wheel.c
-        copy.c
-        artifactory.c
-        template.c
-        rules.c
-        docker.c
-        junitxml.c
-        github.c
-        template_func_proto.c
-        envctl.c
-        multiprocessing.c
-)
+add_subdirectory(lib)
+add_subdirectory(cli)
 
-add_executable(stasis
-        stasis_main.c
-)
-target_link_libraries(stasis PRIVATE stasis_core)
-target_link_libraries(stasis PUBLIC LibXml2::LibXml2)
-add_executable(stasis_indexer
-        stasis_indexer.c
-)
-target_link_libraries(stasis_indexer PRIVATE stasis_core)
-install(TARGETS stasis stasis_indexer RUNTIME)
diff --git a/src/cli/CMakeLists.txt b/src/cli/CMakeLists.txt
new file mode 100644
index 0000000..92a21b7
--- /dev/null
+++ b/src/cli/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_subdirectory(stasis)
+add_subdirectory(stasis_indexer)
\ No newline at end of file
diff --git a/src/cli/stasis/CMakeLists.txt b/src/cli/stasis/CMakeLists.txt
new file mode 100644
index 0000000..ff7fd88
--- /dev/null
+++ b/src/cli/stasis/CMakeLists.txt
@@ -0,0 +1,12 @@
+include_directories(${CMAKE_SOURCE_DIR})
+add_executable(stasis
+        stasis_main.c
+        args.c
+        callbacks.c
+        system_requirements.c
+        tpl.c
+)
+target_link_libraries(stasis PRIVATE stasis_core)
+target_link_libraries(stasis PUBLIC LibXml2::LibXml2)
+
+install(TARGETS stasis RUNTIME)
diff --git a/src/cli/stasis/args.c b/src/cli/stasis/args.c
new file mode 100644
index 0000000..ed11ab9
--- /dev/null
+++ b/src/cli/stasis/args.c
@@ -0,0 +1,102 @@
+#include "core.h"
+#include "args.h"
+
+struct option long_options[] = {
+    {"help", no_argument, 0, 'h'},
+    {"version", no_argument, 0, 'V'},
+    {"continue-on-error", no_argument, 0, 'C'},
+    {"config", required_argument, 0, 'c'},
+    {"cpu-limit", required_argument, 0, 'l'},
+    {"pool-status-interval", required_argument, 0, OPT_POOL_STATUS_INTERVAL},
+    {"python", required_argument, 0, 'p'},
+    {"verbose", no_argument, 0, 'v'},
+    {"unbuffered", no_argument, 0, 'U'},
+    {"update-base", no_argument, 0, OPT_ALWAYS_UPDATE_BASE},
+    {"fail-fast", no_argument, 0, OPT_FAIL_FAST},
+    {"overwrite", no_argument, 0, OPT_OVERWRITE},
+    {"no-docker", no_argument, 0, OPT_NO_DOCKER},
+    {"no-artifactory", no_argument, 0, OPT_NO_ARTIFACTORY},
+    {"no-artifactory-build-info", no_argument, 0, OPT_NO_ARTIFACTORY_BUILD_INFO},
+    {"no-testing", no_argument, 0, OPT_NO_TESTING},
+    {"no-parallel", no_argument, 0, OPT_NO_PARALLEL},
+    {"no-rewrite", no_argument, 0, OPT_NO_REWRITE_SPEC_STAGE_2},
+    {0, 0, 0, 0},
+};
+
+const char *long_options_help[] = {
+    "Display this usage statement",
+    "Display program version",
+    "Allow tests to fail",
+    "Read configuration file",
+    "Number of processes to spawn concurrently (default: cpus - 1)",
+    "Report task status every n seconds (default: 30)",
+    "Override version of Python in configuration",
+    "Increase output verbosity",
+    "Disable line buffering",
+    "Update conda installation prior to STASIS environment creation",
+    "On error, immediately terminate all tasks",
+    "Overwrite an existing release",
+    "Do not build docker images",
+    "Do not upload artifacts to Artifactory",
+    "Do not upload build info objects to Artifactory",
+    "Do not execute test scripts",
+    "Do not execute tests in parallel",
+    "Do not rewrite paths and URLs in output files",
+    NULL,
+};
+
+static int get_option_max_width(struct option option[]) {
+    int i = 0;
+    int max = 0;
+    const int indent = 4;
+    while (option[i].name != 0) {
+        int len = (int) strlen(option[i].name);
+        if (option[i].has_arg) {
+            len += indent;
+        }
+        if (len > max) {
+            max = len;
+        }
+        i++;
+    }
+    return max;
+}
+
+void usage(char *progname) {
+    printf("usage: %s ", progname);
+    printf("[-");
+    for (int x = 0; long_options[x].val != 0; x++) {
+        if (long_options[x].has_arg == no_argument && long_options[x].val <= 'z') {
+            putchar(long_options[x].val);
+        }
+    }
+    printf("] {DELIVERY_FILE}\n");
+
+    int width = get_option_max_width(long_options);
+    for (int x = 0; long_options[x].name != 0; x++) {
+        char tmp[STASIS_NAME_MAX] = {0};
+        char output[sizeof(tmp)] = {0};
+        char opt_long[50] = {0};        // --? [ARG]?
+        char opt_short[50] = {0};        // -? [ARG]?
+
+        strcat(opt_long, "--");
+        strcat(opt_long, long_options[x].name);
+        if (long_options[x].has_arg) {
+            strcat(opt_long, " ARG");
+        }
+
+        if (long_options[x].val <= 'z') {
+            strcat(opt_short, "-");
+            opt_short[1] = (char) long_options[x].val;
+            if (long_options[x].has_arg) {
+                strcat(opt_short, " ARG");
+            }
+        } else {
+            strcat(opt_short, "  ");
+        }
+
+        sprintf(tmp, "  %%-%ds\t%%s\t\t%%s", width + 4);
+        sprintf(output, tmp, opt_long, opt_short, long_options_help[x]);
+        puts(output);
+    }
+}
diff --git a/src/cli/stasis/args.h b/src/cli/stasis/args.h
new file mode 100644
index 0000000..932eac7
--- /dev/null
+++ b/src/cli/stasis/args.h
@@ -0,0 +1,23 @@
+#ifndef STASIS_ARGS_H
+#define STASIS_ARGS_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+
+#define OPT_ALWAYS_UPDATE_BASE 1000
+#define OPT_NO_DOCKER 1001
+#define OPT_NO_ARTIFACTORY 1002
+#define OPT_NO_ARTIFACTORY_BUILD_INFO 1003
+#define OPT_NO_TESTING 1004
+#define OPT_OVERWRITE 1005
+#define OPT_NO_REWRITE_SPEC_STAGE_2 1006
+#define OPT_FAIL_FAST 1007
+#define OPT_NO_PARALLEL 1008
+#define OPT_POOL_STATUS_INTERVAL 1009
+
+extern struct option long_options[];
+void usage(char *progname);
+
+#endif //STASIS_ARGS_H
diff --git a/src/cli/stasis/callbacks.c b/src/cli/stasis/callbacks.c
new file mode 100644
index 0000000..aeaa25d
--- /dev/null
+++ b/src/cli/stasis/callbacks.c
@@ -0,0 +1,31 @@
+#include "callbacks.h"
+
+int callback_except_jf(const void *a, const void *b) {
+    const struct EnvCtl_Item *item = a;
+    const char *name = b;
+
+    if (!globals.enable_artifactory) {
+        return STASIS_ENVCTL_RET_IGNORE;
+    }
+
+    if (envctl_check_required(item->flags)) {
+        const char *content = getenv(name);
+        if (!content || isempty((char *) content)) {
+            return STASIS_ENVCTL_RET_FAIL;
+        }
+    }
+
+    return STASIS_ENVCTL_RET_SUCCESS;
+}
+
+int callback_except_gh(const void *a, const void *b) {
+    const struct EnvCtl_Item *item = a;
+    const char *name = b;
+    //printf("GH exception check: %s\n", name);
+    if (envctl_check_required(item->flags) && envctl_check_present(item, name)) {
+        return STASIS_ENVCTL_RET_SUCCESS;
+    }
+
+    return STASIS_ENVCTL_RET_FAIL;
+}
+
diff --git a/src/cli/stasis/callbacks.h b/src/cli/stasis/callbacks.h
new file mode 100644
index 0000000..369ce56
--- /dev/null
+++ b/src/cli/stasis/callbacks.h
@@ -0,0 +1,10 @@
+#ifndef STASIS_CALLBACKS_H
+#define STASIS_CALLBACKS_H
+
+#include "core.h"
+#include "envctl.h"
+
+int callback_except_jf(const void *a, const void *b);
+int callback_except_gh(const void *a, const void *b);
+
+#endif //STASIS_CALLBACKS_H
diff --git a/src/stasis_main.c b/src/cli/stasis/stasis_main.c
index eecc419..5325892 100644
--- a/src/stasis_main.c
+++ b/src/cli/stasis/stasis_main.c
@@ -2,215 +2,14 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
-#include <getopt.h>
 #include "core.h"
+#include "delivery.h"
 
-#define OPT_ALWAYS_UPDATE_BASE 1000
-#define OPT_NO_DOCKER 1001
-#define OPT_NO_ARTIFACTORY 1002
-#define OPT_NO_ARTIFACTORY_BUILD_INFO 1003
-#define OPT_NO_TESTING 1004
-#define OPT_OVERWRITE 1005
-#define OPT_NO_REWRITE_SPEC_STAGE_2 1006
-#define OPT_FAIL_FAST 1007
-#define OPT_NO_PARALLEL 1008
-#define OPT_POOL_STATUS_INTERVAL 1009
-
-static struct option long_options[] = {
-        {"help", no_argument, 0, 'h'},
-        {"version", no_argument, 0, 'V'},
-        {"continue-on-error", no_argument, 0, 'C'},
-        {"config", required_argument, 0, 'c'},
-        {"cpu-limit", required_argument, 0, 'l'},
-        {"pool-status-interval", required_argument, 0, OPT_POOL_STATUS_INTERVAL},
-        {"python", required_argument, 0, 'p'},
-        {"verbose", no_argument, 0, 'v'},
-        {"unbuffered", no_argument, 0, 'U'},
-        {"update-base", no_argument, 0, OPT_ALWAYS_UPDATE_BASE},
-        {"fail-fast", no_argument, 0, OPT_FAIL_FAST},
-        {"overwrite", no_argument, 0, OPT_OVERWRITE},
-        {"no-docker", no_argument, 0, OPT_NO_DOCKER},
-        {"no-artifactory", no_argument, 0, OPT_NO_ARTIFACTORY},
-        {"no-artifactory-build-info", no_argument, 0, OPT_NO_ARTIFACTORY_BUILD_INFO},
-        {"no-testing", no_argument, 0, OPT_NO_TESTING},
-        {"no-parallel", no_argument, 0, OPT_NO_PARALLEL},
-        {"no-rewrite", no_argument, 0, OPT_NO_REWRITE_SPEC_STAGE_2},
-        {0, 0, 0, 0},
-};
-
-const char *long_options_help[] = {
-        "Display this usage statement",
-        "Display program version",
-        "Allow tests to fail",
-        "Read configuration file",
-        "Number of processes to spawn concurrently (default: cpus - 1)",
-        "Report task status every n seconds (default: 30)",
-        "Override version of Python in configuration",
-        "Increase output verbosity",
-        "Disable line buffering",
-        "Update conda installation prior to STASIS environment creation",
-        "On error, immediately terminate all tasks",
-        "Overwrite an existing release",
-        "Do not build docker images",
-        "Do not upload artifacts to Artifactory",
-        "Do not upload build info objects to Artifactory",
-        "Do not execute test scripts",
-        "Do not execute tests in parallel",
-        "Do not rewrite paths and URLs in output files",
-        NULL,
-};
-
-static int get_option_max_width(struct option option[]) {
-    int i = 0;
-    int max = 0;
-    const int indent = 4;
-    while (option[i].name != 0) {
-        int len = (int) strlen(option[i].name);
-        if (option[i].has_arg) {
-            len += indent;
-        }
-        if (len > max) {
-            max = len;
-        }
-        i++;
-    }
-    return max;
-}
-
-static void usage(char *progname) {
-    printf("usage: %s ", progname);
-    printf("[-");
-    for (int x = 0; long_options[x].val != 0; x++) {
-        if (long_options[x].has_arg == no_argument && long_options[x].val <= 'z') {
-            putchar(long_options[x].val);
-        }
-    }
-    printf("] {DELIVERY_FILE}\n");
+// local includes
+#include "args.h"
+#include "system_requirements.h"
+#include "tpl.h"
 
-    int width = get_option_max_width(long_options);
-    for (int x = 0; long_options[x].name != 0; x++) {
-        char tmp[STASIS_NAME_MAX] = {0};
-        char output[sizeof(tmp)] = {0};
-        char opt_long[50] = {0};        // --? [ARG]?
-        char opt_short[50] = {0};        // -? [ARG]?
-
-        strcat(opt_long, "--");
-        strcat(opt_long, long_options[x].name);
-        if (long_options[x].has_arg) {
-            strcat(opt_long, " ARG");
-        }
-
-        if (long_options[x].val <= 'z') {
-            strcat(opt_short, "-");
-            opt_short[1] = (char) long_options[x].val;
-            if (long_options[x].has_arg) {
-                strcat(opt_short, " ARG");
-            }
-        } else {
-            strcat(opt_short, "  ");
-        }
-
-        sprintf(tmp, "  %%-%ds\t%%s\t\t%%s", width + 4);
-        sprintf(output, tmp, opt_long, opt_short, long_options_help[x]);
-        puts(output);
-    }
-}
-
-static int callback_except_jf(const void *a, const void *b) {
-    const struct EnvCtl_Item *item = a;
-    const char *name = b;
-
-    if (!globals.enable_artifactory) {
-        return STASIS_ENVCTL_RET_IGNORE;
-    }
-
-    if (envctl_check_required(item->flags)) {
-        const char *content = getenv(name);
-        if (!content || isempty((char *) content)) {
-            return STASIS_ENVCTL_RET_FAIL;
-        }
-    }
-
-    return STASIS_ENVCTL_RET_SUCCESS;
-}
-
-static int callback_except_gh(const void *a, const void *b) {
-    const struct EnvCtl_Item *item = a;
-    const char *name = b;
-    //printf("GH exception check: %s\n", name);
-    if (envctl_check_required(item->flags) && envctl_check_present(item, name)) {
-        return STASIS_ENVCTL_RET_SUCCESS;
-    }
-
-    return STASIS_ENVCTL_RET_FAIL;
-}
-
-static void check_system_env_requirements() {
-    msg(STASIS_MSG_L1, "Checking environment\n");
-    globals.envctl = envctl_init();
-    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "TMPDIR");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_ROOT");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_SYSCONFDIR");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_CPU_COUNT");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_REQUIRED | STASIS_ENVCTL_REDACT, callback_except_gh, "STASIS_GH_TOKEN");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_REQUIRED, callback_except_jf, "STASIS_JF_ARTIFACTORY_URL");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_ACCESS_TOKEN");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_JF_USER");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_PASSWORD");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_SSH_KEY_PATH");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_SSH_PASSPHRASE");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_CLIENT_CERT_CERT_PATH");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_CLIENT_CERT_KEY_PATH");
-    envctl_register(&globals.envctl, STASIS_ENVCTL_REQUIRED, callback_except_jf, "STASIS_JF_REPO");
-    envctl_do_required(globals.envctl, globals.verbose);
-}
-
-static void check_system_requirements(struct Delivery *ctx) {
-    const char *tools_required[] = {
-        "rsync",
-        NULL,
-    };
-
-    msg(STASIS_MSG_L1, "Checking system requirements\n");
-    for (size_t i = 0; tools_required[i] != NULL; i++) {
-        if (!find_program(tools_required[i])) {
-            msg(STASIS_MSG_L2 | STASIS_MSG_ERROR, "'%s' must be installed.\n", tools_required[i]);
-            exit(1);
-        }
-    }
-
-    if (!globals.tmpdir && !ctx->storage.tmpdir) {
-        delivery_init_tmpdir(ctx);
-    }
-
-    struct DockerCapabilities dcap;
-    if (!docker_capable(&dcap)) {
-        msg(STASIS_MSG_L2 | STASIS_MSG_WARN, "Docker is broken\n");
-        msg(STASIS_MSG_L3, "Available: %s\n", dcap.available ? "Yes" : "No");
-        msg(STASIS_MSG_L3, "Usable: %s\n", dcap.usable ? "Yes" : "No");
-        msg(STASIS_MSG_L3, "Podman [Docker Emulation]: %s\n", dcap.podman ? "Yes" : "No");
-        msg(STASIS_MSG_L3, "Build plugin(s): ");
-        if (dcap.usable) {
-            if (dcap.build & STASIS_DOCKER_BUILD) {
-                printf("build ");
-            }
-            if (dcap.build & STASIS_DOCKER_BUILD_X) {
-                printf("buildx ");
-            }
-            puts("");
-        } else {
-            printf("N/A\n");
-        }
-
-        // disable docker builds
-        globals.enable_docker = false;
-    }
-}
-
-static void check_requirements(struct Delivery *ctx) {
-    check_system_requirements(ctx);
-    check_system_env_requirements();
-}
 
 int main(int argc, char *argv[]) {
     struct Delivery ctx;
@@ -336,45 +135,8 @@ int main(int argc, char *argv[]) {
 
     msg(STASIS_MSG_L1, "Setup\n");
 
-    // Expose variables for use with the template engine
-    // NOTE: These pointers are populated by delivery_init() so please avoid using
-    // tpl_render() until then.
-    tpl_register("meta.name", &ctx.meta.name);
-    tpl_register("meta.version", &ctx.meta.version);
-    tpl_register("meta.codename", &ctx.meta.codename);
-    tpl_register("meta.mission", &ctx.meta.mission);
-    tpl_register("meta.python", &ctx.meta.python);
-    tpl_register("meta.python_compact", &ctx.meta.python_compact);
-    tpl_register("info.time_str_epoch", &ctx.info.time_str_epoch);
-    tpl_register("info.release_name", &ctx.info.release_name);
-    tpl_register("info.build_name", &ctx.info.build_name);
-    tpl_register("info.build_number", &ctx.info.build_number);
-    tpl_register("storage.tmpdir", &ctx.storage.tmpdir);
-    tpl_register("storage.output_dir", &ctx.storage.output_dir);
-    tpl_register("storage.delivery_dir", &ctx.storage.delivery_dir);
-    tpl_register("storage.conda_artifact_dir", &ctx.storage.conda_artifact_dir);
-    tpl_register("storage.wheel_artifact_dir", &ctx.storage.wheel_artifact_dir);
-    tpl_register("storage.build_sources_dir", &ctx.storage.build_sources_dir);
-    tpl_register("storage.build_docker_dir", &ctx.storage.build_docker_dir);
-    tpl_register("storage.results_dir", &ctx.storage.results_dir);
-    tpl_register("storage.tools_dir", &ctx.storage.tools_dir);
-    tpl_register("conda.installer_baseurl", &ctx.conda.installer_baseurl);
-    tpl_register("conda.installer_name", &ctx.conda.installer_name);
-    tpl_register("conda.installer_version", &ctx.conda.installer_version);
-    tpl_register("conda.installer_arch", &ctx.conda.installer_arch);
-    tpl_register("conda.installer_platform", &ctx.conda.installer_platform);
-    tpl_register("deploy.jfrog.repo", &globals.jfrog.repo);
-    tpl_register("deploy.jfrog.url", &globals.jfrog.url);
-    tpl_register("deploy.docker.registry", &ctx.deploy.docker.registry);
-    tpl_register("workaround.conda_reactivate", &globals.workaround.conda_reactivate);
-
-    // Expose function(s) to the template engine
-    // Prototypes can be found in template_func_proto.h
-    tpl_register_func("get_github_release_notes", &get_github_release_notes_tplfunc_entrypoint, 3, NULL);
-    tpl_register_func("get_github_release_notes_auto", &get_github_release_notes_auto_tplfunc_entrypoint, 1, &ctx);
-    tpl_register_func("junitxml_file", &get_junitxml_file_entrypoint, 1, &ctx);
-    tpl_register_func("basetemp_dir", &get_basetemp_dir_entrypoint, 1, &ctx);
-    tpl_register_func("tox_run", &tox_run_entrypoint, 2, &ctx);
+    tpl_setup_vars(&ctx);
+    tpl_setup_funcs(&ctx);
 
     // Set up PREFIX/etc directory information
     // The user may manipulate the base directory path with STASIS_SYSCONFDIR
@@ -482,19 +244,7 @@ int main(int argc, char *argv[]) {
 
     msg(STASIS_MSG_L2, "Configuring: %s\n", ctx.storage.conda_install_prefix);
     delivery_conda_enable(&ctx, ctx.storage.conda_install_prefix);
-
-    char *pathvar = NULL;
-    pathvar = getenv("PATH");
-    if (!pathvar) {
-        msg(STASIS_MSG_ERROR | STASIS_MSG_L2, "PATH variable is not set. Cannot continue.\n");
-        exit(1);
-    } else {
-        char pathvar_tmp[STASIS_BUFSIZ];
-        sprintf(pathvar_tmp, "%s/bin:%s", ctx.storage.conda_install_prefix, pathvar);
-        setenv("PATH", pathvar_tmp, 1);
-        pathvar = NULL;
-    }
-
+    check_pathvar(&ctx);
 
     //
     // Implied environment creation modes/actions
diff --git a/src/cli/stasis/system_requirements.c b/src/cli/stasis/system_requirements.c
new file mode 100644
index 0000000..4554b93
--- /dev/null
+++ b/src/cli/stasis/system_requirements.c
@@ -0,0 +1,82 @@
+#include "system_requirements.h"
+
+void check_system_env_requirements() {
+    msg(STASIS_MSG_L1, "Checking environment\n");
+    globals.envctl = envctl_init();
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "TMPDIR");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_ROOT");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_SYSCONFDIR");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_CPU_COUNT");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REQUIRED | STASIS_ENVCTL_REDACT, callback_except_gh, "STASIS_GH_TOKEN");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REQUIRED, callback_except_jf, "STASIS_JF_ARTIFACTORY_URL");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_ACCESS_TOKEN");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_JF_USER");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_PASSWORD");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_SSH_KEY_PATH");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_SSH_PASSPHRASE");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_CLIENT_CERT_CERT_PATH");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_CLIENT_CERT_KEY_PATH");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REQUIRED, callback_except_jf, "STASIS_JF_REPO");
+    envctl_do_required(globals.envctl, globals.verbose);
+}
+
+void check_system_requirements(struct Delivery *ctx) {
+    const char *tools_required[] = {
+        "rsync",
+        NULL,
+    };
+
+    msg(STASIS_MSG_L1, "Checking system requirements\n");
+    for (size_t i = 0; tools_required[i] != NULL; i++) {
+        if (!find_program(tools_required[i])) {
+            msg(STASIS_MSG_L2 | STASIS_MSG_ERROR, "'%s' must be installed.\n", tools_required[i]);
+            exit(1);
+        }
+    }
+
+    if (!globals.tmpdir && !ctx->storage.tmpdir) {
+        delivery_init_tmpdir(ctx);
+    }
+
+    struct DockerCapabilities dcap;
+    if (!docker_capable(&dcap)) {
+        msg(STASIS_MSG_L2 | STASIS_MSG_WARN, "Docker is broken\n");
+        msg(STASIS_MSG_L3, "Available: %s\n", dcap.available ? "Yes" : "No");
+        msg(STASIS_MSG_L3, "Usable: %s\n", dcap.usable ? "Yes" : "No");
+        msg(STASIS_MSG_L3, "Podman [Docker Emulation]: %s\n", dcap.podman ? "Yes" : "No");
+        msg(STASIS_MSG_L3, "Build plugin(s): ");
+        if (dcap.usable) {
+            if (dcap.build & STASIS_DOCKER_BUILD) {
+                printf("build ");
+            }
+            if (dcap.build & STASIS_DOCKER_BUILD_X) {
+                printf("buildx ");
+            }
+            puts("");
+        } else {
+            printf("N/A\n");
+        }
+
+        // disable docker builds
+        globals.enable_docker = false;
+    }
+}
+
+void check_requirements(struct Delivery *ctx) {
+    check_system_requirements(ctx);
+    check_system_env_requirements();
+}
+
+char *check_pathvar(struct Delivery *ctx) {
+    char *pathvar = NULL;
+    pathvar = getenv("PATH");
+    if (!pathvar) {
+        msg(STASIS_MSG_ERROR | STASIS_MSG_L2, "PATH variable is not set. Cannot continue.\n");
+        exit(1);
+    } else {
+        char pathvar_tmp[STASIS_BUFSIZ];
+        sprintf(pathvar_tmp, "%s/bin:%s", ctx->storage.conda_install_prefix, pathvar);
+        setenv("PATH", pathvar_tmp, 1);
+        pathvar = NULL;
+    }
+}
\ No newline at end of file
diff --git a/src/cli/stasis/system_requirements.h b/src/cli/stasis/system_requirements.h
new file mode 100644
index 0000000..4c2231a
--- /dev/null
+++ b/src/cli/stasis/system_requirements.h
@@ -0,0 +1,13 @@
+#ifndef STASIS_SYSTEM_REQUIREMENTS_H
+#define STASIS_SYSTEM_REQUIREMENTS_H
+
+#include "delivery.h"
+#include "callbacks.h"
+#include "envctl.h"
+
+void check_system_env_requirements();
+void check_system_requirements(struct Delivery *ctx);
+void check_requirements(struct Delivery *ctx);
+char *check_pathvar(struct Delivery *ctx);
+
+#endif //STASIS_SYSTEM_REQUIREMENTS_H
diff --git a/src/cli/stasis/tpl.c b/src/cli/stasis/tpl.c
new file mode 100644
index 0000000..08eb1f3
--- /dev/null
+++ b/src/cli/stasis/tpl.c
@@ -0,0 +1,46 @@
+#include "delivery.h"
+#include "tpl.h"
+
+void tpl_setup_vars(struct Delivery *ctx) {
+    // Expose variables for use with the template engine
+    // NOTE: These pointers are populated by delivery_init() so please avoid using
+    // tpl_render() until then.
+    tpl_register("meta.name", &ctx->meta.name);
+    tpl_register("meta.version", &ctx->meta.version);
+    tpl_register("meta.codename", &ctx->meta.codename);
+    tpl_register("meta.mission", &ctx->meta.mission);
+    tpl_register("meta.python", &ctx->meta.python);
+    tpl_register("meta.python_compact", &ctx->meta.python_compact);
+    tpl_register("info.time_str_epoch", &ctx->info.time_str_epoch);
+    tpl_register("info.release_name", &ctx->info.release_name);
+    tpl_register("info.build_name", &ctx->info.build_name);
+    tpl_register("info.build_number", &ctx->info.build_number);
+    tpl_register("storage.tmpdir", &ctx->storage.tmpdir);
+    tpl_register("storage.output_dir", &ctx->storage.output_dir);
+    tpl_register("storage.delivery_dir", &ctx->storage.delivery_dir);
+    tpl_register("storage.conda_artifact_dir", &ctx->storage.conda_artifact_dir);
+    tpl_register("storage.wheel_artifact_dir", &ctx->storage.wheel_artifact_dir);
+    tpl_register("storage.build_sources_dir", &ctx->storage.build_sources_dir);
+    tpl_register("storage.build_docker_dir", &ctx->storage.build_docker_dir);
+    tpl_register("storage.results_dir", &ctx->storage.results_dir);
+    tpl_register("storage.tools_dir", &ctx->storage.tools_dir);
+    tpl_register("conda.installer_baseurl", &ctx->conda.installer_baseurl);
+    tpl_register("conda.installer_name", &ctx->conda.installer_name);
+    tpl_register("conda.installer_version", &ctx->conda.installer_version);
+    tpl_register("conda.installer_arch", &ctx->conda.installer_arch);
+    tpl_register("conda.installer_platform", &ctx->conda.installer_platform);
+    tpl_register("deploy.jfrog.repo", &globals.jfrog.repo);
+    tpl_register("deploy.jfrog.url", &globals.jfrog.url);
+    tpl_register("deploy.docker.registry", &ctx->deploy.docker.registry);
+    tpl_register("workaround.conda_reactivate", &globals.workaround.conda_reactivate);
+}
+
+void tpl_setup_funcs(struct Delivery *ctx) {
+    // Expose function(s) to the template engine
+    // Prototypes can be found in template_func_proto.h
+    tpl_register_func("get_github_release_notes", &get_github_release_notes_tplfunc_entrypoint, 3, NULL);
+    tpl_register_func("get_github_release_notes_auto", &get_github_release_notes_auto_tplfunc_entrypoint, 1, ctx);
+    tpl_register_func("junitxml_file", &get_junitxml_file_entrypoint, 1, ctx);
+    tpl_register_func("basetemp_dir", &get_basetemp_dir_entrypoint, 1, ctx);
+    tpl_register_func("tox_run", &tox_run_entrypoint, 2, ctx);
+}
\ No newline at end of file
diff --git a/src/cli/stasis/tpl.h b/src/cli/stasis/tpl.h
new file mode 100644
index 0000000..398f0fe
--- /dev/null
+++ b/src/cli/stasis/tpl.h
@@ -0,0 +1,10 @@
+#ifndef STASIS_TPL_H
+#define STASIS_TPL_H
+
+#include "template.h"
+#include "template_func_proto.h"
+
+void tpl_setup_vars(struct Delivery *ctx);
+void tpl_setup_funcs(struct Delivery *ctx);
+
+#endif //STASIS_TPL_H
diff --git a/src/cli/stasis_indexer/CMakeLists.txt b/src/cli/stasis_indexer/CMakeLists.txt
new file mode 100644
index 0000000..eae1394
--- /dev/null
+++ b/src/cli/stasis_indexer/CMakeLists.txt
@@ -0,0 +1,6 @@
+add_executable(stasis_indexer
+        stasis_indexer.c
+)
+target_link_libraries(stasis_indexer PRIVATE stasis_core)
+
+install(TARGETS stasis_indexer RUNTIME)
diff --git a/src/stasis_indexer.c b/src/cli/stasis_indexer/stasis_indexer.c
index 05b9e39..bd59920 100644
--- a/src/stasis_indexer.c
+++ b/src/cli/stasis_indexer/stasis_indexer.c
@@ -1,6 +1,7 @@
 #include <getopt.h>
 #include <fnmatch.h>
-#include "core.h"
+#include "delivery.h"
+#include "junitxml.h"
 
 static struct option long_options[] = {
         {"help", no_argument, 0, 'h'},
diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
new file mode 100644
index 0000000..82bfe4a
--- /dev/null
+++ b/src/lib/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(core)
\ No newline at end of file
diff --git a/src/lib/core/CMakeLists.txt b/src/lib/core/CMakeLists.txt
new file mode 100644
index 0000000..c569187
--- /dev/null
+++ b/src/lib/core/CMakeLists.txt
@@ -0,0 +1,38 @@
+include_directories(${PROJECT_BINARY_DIR})
+
+add_library(stasis_core STATIC
+        globals.c
+        str.c
+        strlist.c
+        ini.c
+        conda.c
+        environment.c
+        utils.c
+        system.c
+        download.c
+        delivery_postprocess.c
+        delivery_conda.c
+        delivery_docker.c
+        delivery_install.c
+        delivery_artifactory.c
+        delivery_test.c
+        delivery_build.c
+        delivery_show.c
+        delivery_populate.c
+        delivery_init.c
+        delivery.c
+        recipe.c
+        relocation.c
+        wheel.c
+        copy.c
+        artifactory.c
+        template.c
+        rules.c
+        docker.c
+        junitxml.c
+        github.c
+        template_func_proto.c
+        envctl.c
+        multiprocessing.c
+)
+
diff --git a/src/artifactory.c b/src/lib/core/artifactory.c
index 6c4079a..6b9635d 100644
--- a/src/artifactory.c
+++ b/src/lib/core/artifactory.c
@@ -1,4 +1,4 @@
-#include "core.h"
+#include "artifactory.h"
 
 extern struct STASIS_GLOBAL globals;
 
diff --git a/src/conda.c b/src/lib/core/conda.c
index e60abc7..35caf02 100644
--- a/src/conda.c
+++ b/src/lib/core/conda.c
@@ -2,7 +2,6 @@
 // Created by jhunk on 5/14/23.
 //
 
-#include <unistd.h>
 #include "conda.h"
 
 int micromamba(struct MicromambaInfo *info, char *command, ...) {
diff --git a/src/copy.c b/src/lib/core/copy.c
index f69a756..f69a756 100644
--- a/src/copy.c
+++ b/src/lib/core/copy.c
diff --git a/src/delivery.c b/src/lib/core/delivery.c
index 07e04c8..e32ed4c 100644
--- a/src/delivery.c
+++ b/src/lib/core/delivery.c
@@ -1,4 +1,4 @@
-#include "core.h"
+#include "delivery.h"
 
 void delivery_free(struct Delivery *ctx) {
     guard_free(ctx->system.arch);
diff --git a/src/delivery_artifactory.c b/src/lib/core/delivery_artifactory.c
index 27f4823..27f4823 100644
--- a/src/delivery_artifactory.c
+++ b/src/lib/core/delivery_artifactory.c
diff --git a/src/delivery_build.c b/src/lib/core/delivery_build.c
index 3777a4c..b4d610a 100644
--- a/src/delivery_build.c
+++ b/src/lib/core/delivery_build.c
@@ -1,4 +1,3 @@
-#include <fnmatch.h>
 #include "delivery.h"
 
 int delivery_build_recipes(struct Delivery *ctx) {
diff --git a/src/delivery_conda.c b/src/lib/core/delivery_conda.c
index 93a06fc..93a06fc 100644
--- a/src/delivery_conda.c
+++ b/src/lib/core/delivery_conda.c
diff --git a/src/delivery_docker.c b/src/lib/core/delivery_docker.c
index e1d7f60..e1d7f60 100644
--- a/src/delivery_docker.c
+++ b/src/lib/core/delivery_docker.c
diff --git a/src/delivery_init.c b/src/lib/core/delivery_init.c
index e914f99..e914f99 100644
--- a/src/delivery_init.c
+++ b/src/lib/core/delivery_init.c
diff --git a/src/delivery_install.c b/src/lib/core/delivery_install.c
index 76c3f4a..76c3f4a 100644
--- a/src/delivery_install.c
+++ b/src/lib/core/delivery_install.c
diff --git a/src/delivery_populate.c b/src/lib/core/delivery_populate.c
index b37f677..b37f677 100644
--- a/src/delivery_populate.c
+++ b/src/lib/core/delivery_populate.c
diff --git a/src/delivery_postprocess.c b/src/lib/core/delivery_postprocess.c
index 1a902e3..1a902e3 100644
--- a/src/delivery_postprocess.c
+++ b/src/lib/core/delivery_postprocess.c
diff --git a/src/delivery_show.c b/src/lib/core/delivery_show.c
index adfa1be..adfa1be 100644
--- a/src/delivery_show.c
+++ b/src/lib/core/delivery_show.c
diff --git a/src/delivery_test.c b/src/lib/core/delivery_test.c
index cb78f64..cb78f64 100644
--- a/src/delivery_test.c
+++ b/src/lib/core/delivery_test.c
diff --git a/src/docker.c b/src/lib/core/docker.c
index 2d5e2cc..5834ef9 100644
--- a/src/docker.c
+++ b/src/lib/core/docker.c
@@ -1,4 +1,3 @@
-#include "core.h"
 #include "docker.h"
 
 
diff --git a/src/download.c b/src/lib/core/download.c
index f83adda..bfb323e 100644
--- a/src/download.c
+++ b/src/lib/core/download.c
@@ -2,8 +2,6 @@
 // Created by jhunk on 10/5/23.
 //
 
-#include <string.h>
-#include <stdlib.h>
 #include "download.h"
 
 size_t download_writer(void *fp, size_t size, size_t nmemb, void *stream) {
diff --git a/src/envctl.c b/src/lib/core/envctl.c
index 78dd760..9037d9d 100644
--- a/src/envctl.c
+++ b/src/lib/core/envctl.c
@@ -1,5 +1,4 @@
 #include "envctl.h"
-#include "core.h"
 
 struct EnvCtl *envctl_init() {
     struct EnvCtl *result;
diff --git a/src/environment.c b/src/lib/core/environment.c
index 580062c..580062c 100644
--- a/src/environment.c
+++ b/src/lib/core/environment.c
diff --git a/src/github.c b/src/lib/core/github.c
index 36e2e7c..c5e4534 100644
--- a/src/github.c
+++ b/src/lib/core/github.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include "core.h"
+#include "github.h"
 
 struct GHContent {
     char *data;
diff --git a/src/globals.c b/src/lib/core/globals.c
index 1b682cb..83465f1 100644
--- a/src/globals.c
+++ b/src/lib/core/globals.c
@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <stdbool.h>
 #include "core.h"
+#include "envctl.h"
 
 const char *VERSION = "1.0.0";
 const char *AUTHOR = "Joseph Hunkeler";
diff --git a/src/ini.c b/src/lib/core/ini.c
index d44e1cc..d44e1cc 100644
--- a/src/ini.c
+++ b/src/lib/core/ini.c
diff --git a/src/junitxml.c b/src/lib/core/junitxml.c
index c7d0834..c7d0834 100644
--- a/src/junitxml.c
+++ b/src/lib/core/junitxml.c
diff --git a/src/multiprocessing.c b/src/lib/core/multiprocessing.c
index 2a1b350..484c566 100644
--- a/src/multiprocessing.c
+++ b/src/lib/core/multiprocessing.c
@@ -1,4 +1,5 @@
 #include "core.h"
+#include "multiprocessing.h"
 
 /// The sum of all tasks started by mp_task()
 size_t mp_global_task_count = 0;
diff --git a/src/lib/core/package.c b/src/lib/core/package.c
new file mode 100644
index 0000000..e34673b
--- /dev/null
+++ b/src/lib/core/package.c
@@ -0,0 +1,41 @@
+#include <stdlib.h>
+#include "package.h"
+#include "core.h"
+
+struct Package *stasis_package_init() {
+    struct Package *result;
+    result = calloc(1, sizeof(*result));
+    return result;
+}
+
+void stasis_package_set_name(struct Package *pkg, const char *name) {
+    if (pkg->meta.name) {
+        guard_free(pkg->meta.name);
+    }
+    pkg->meta.name = strdup(name);
+}
+
+void stasis_package_set_version(struct Package *pkg, const char *version) {
+    if (pkg->meta.version) {
+        guard_free(pkg->meta.version);
+    }
+    pkg->meta.version = strdup(version);
+}
+
+void stasis_package_set_version_spec(struct Package *pkg, const char *version_spec) {
+    if (pkg->meta.version_spec) {
+        guard_free(pkg->meta.version_spec);
+    }
+    pkg->meta.version_spec = strdup(version_spec);
+}
+
+void stasis_package_set_uri(struct Package *pkg, const char *uri) {
+    if (pkg->source.uri) {
+        guard_free(pkg->source.uri);
+    }
+    pkg->source.uri = uri;
+}
+
+void stasis_package_set_handler(struct Package *pkg, unsigned handler) {
+    pkg->source.handler = handler;
+}
\ No newline at end of file
diff --git a/src/recipe.c b/src/lib/core/recipe.c
index 833908c..833908c 100644
--- a/src/recipe.c
+++ b/src/lib/core/recipe.c
diff --git a/src/relocation.c b/src/lib/core/relocation.c
index 852aca4..852aca4 100644
--- a/src/relocation.c
+++ b/src/lib/core/relocation.c
diff --git a/src/rules.c b/src/lib/core/rules.c
index e42ee07..e42ee07 100644
--- a/src/rules.c
+++ b/src/lib/core/rules.c
diff --git a/src/str.c b/src/lib/core/str.c
index 868a6c7..868a6c7 100644
--- a/src/str.c
+++ b/src/lib/core/str.c
diff --git a/src/strlist.c b/src/lib/core/strlist.c
index 7a045f1..f0bffa8 100644
--- a/src/strlist.c
+++ b/src/lib/core/strlist.c
@@ -2,6 +2,7 @@
  * String array convenience functions
  * @file strlist.c
  */
+#include "download.h"
 #include "strlist.h"
 #include "utils.h"
 
diff --git a/src/system.c b/src/lib/core/system.c
index 4e605ec..4e605ec 100644
--- a/src/system.c
+++ b/src/lib/core/system.c
diff --git a/src/template.c b/src/lib/core/template.c
index a412fa8..a412fa8 100644
--- a/src/template.c
+++ b/src/lib/core/template.c
diff --git a/src/template_func_proto.c b/src/lib/core/template_func_proto.c
index 9c325bb..3305b4d 100644
--- a/src/template_func_proto.c
+++ b/src/lib/core/template_func_proto.c
@@ -1,4 +1,6 @@
 #include "template_func_proto.h"
+#include "delivery.h"
+#include "github.h"
 
 int get_github_release_notes_tplfunc_entrypoint(void *frame, void *data_out) {
     int result;
diff --git a/src/utils.c b/src/lib/core/utils.c
index 6381cea..89950df 100644
--- a/src/utils.c
+++ b/src/lib/core/utils.c
@@ -1,5 +1,6 @@
 #include <stdarg.h>
 #include "core.h"
+#include "utils.h"
 
 char *dirstack[STASIS_DIRSTACK_MAX];
 const ssize_t dirstack_max = sizeof(dirstack) / sizeof(dirstack[0]);
diff --git a/src/wheel.c b/src/lib/core/wheel.c
index 4692d0a..4692d0a 100644
--- a/src/wheel.c
+++ b/src/lib/core/wheel.c