Merge remote-tracking branch 'ha-public/master' into wip-LatitudeReSetup-20230620wip-LatitudeReSetup-20230620

1 files changed, 133 insertions, 0 deletions

diff --git a/src/main/c/postshit/launch/mvn/mvn-versions-set.c b/src/main/c/postshit/launch/mvn/mvn-versions-set.c
new file mode 100644
index 0000000..888183d
--- /dev/null
+++ b/src/main/c/postshit/launch/mvn/mvn-versions-set.c
@@ -0,0 +1,133 @@
+/*
+
+  Shitty policies require shitty workarounds. Standard maven ships with a 'cmd'
+  file for its execution. But as some shiny 'security' policies forbid
+  execution of 'cmd' files, we need to waste our time writing stuff like this
+  instead doing our work. Grrr...
+
+  ${CC:?} -o build/bin/mvn-versions-set.exe \
+    -Wall -Werror -fmax-errors=3 -Wno-error=unused-function -Wno-error=unused-variable \
+    -DPROJECT_VERSION=0.0.0-$(date -u +%s) \
+    src/main/c/postshit/launch/mvn/mvn-versions-set.c \
+
+*/
+
+#include <windows.h>
+#include <assert.h>
+#include <stdio.h>
+
+#define LOGERR(...) fprintf(stderr, __VA_ARGS__)
+#define LOGDBG(...) fprintf(stderr, __VA_ARGS__)
+
+#define STR_QUOT_3q9o58uhzjad(s) #s
+#define STR_QUOT(s) STR_QUOT_3q9o58uhzjad(s)
+
+
+static int appendRaw( char*dst, int*dst_len, int dst_cap, const char*src, int src_len ){
+    #define dst_len (*dst_len)
+    register int err;
+    if( dst_cap < dst_len + src_len ){
+        LOGERR("ENOBUFS: %s Cannot add: %.*s\n", strrchr(__FILE__,'/')+1, src_len, src);
+        err = -ENOBUFS; goto endFn;
+    }
+    memcpy(dst + dst_len, src, src_len);
+    dst_len += src_len;
+    err = 0;
+endFn:
+    return err;
+    #undef dst_len
+}
+
+
+static int appendQuotEscaped( char*dst, int*dst_len, int dst_cap, const char*src, int src_len ){
+    #define dst_len (*dst_len)
+    register int err;
+    if( dst_cap < dst_len + src_len ){
+        LOGDBG("ENOBUFS: %s: cannot append \"%.*s\"\n", strrchr(__FILE__,'/')+1, src_len, src);
+        err = -ENOBUFS; goto endFn;
+    }
+    for( err = 0 ; err < src_len ; ++err ){
+        if( src[err] == '"' ){
+            LOGERR("ENOTSUP: Quotes in args not impl. %s:%d\n", __FILE__, __LINE__);
+            err = -ENOTSUP; goto endFn;
+        }
+        dst[dst_len++] = src[err];
+    }
+    err = 0;
+endFn:
+    return err;
+    #undef dst_len
+}
+
+
+int main( int argc, char**argv ){
+    register int err;
+    int isHelp = 0;
+    const char *newVersion = NULL;
+
+    /*parse args*/
+    for( err = 1 ; err < argc ; ++err ){
+        const char *arg = argv[err];
+        if( !strcmp(arg, "--help") ){
+            isHelp = !0; break;
+        }else if( newVersion == NULL ){
+            newVersion = arg;
+        }else{
+            LOGERR("EINVAL: Only ONE arg expected. But got: %s\n", arg); err = -1; goto endFn;
+        }
+    }
+    if( isHelp ){
+        printf("\n"
+            "  %s  " STR_QUOT(PROJECT_VERSION) "\n"
+            "  \n"
+            "  Set a specific maven version. Usage:\n"
+            "  \n"
+            "    %s  0.0.0-SNAPSHOT\n"
+            "\n", strrchr(__FILE__,'/')+1, argv[0]);
+        err = -1; goto endFn;
+    }
+    if( newVersion == NULL ){
+        LOGERR("EINVAL: new version to use missing. Try --help\n");
+        err = -1; goto endFn;
+    }
+    const int newVersion_len = strlen(newVersion);
+
+    char cmdline[32767]; /*[length](https://stackoverflow.com/questions/3205027/#comment17734587_3205048)*/
+    cmdline[0] = '\0';
+    const int cmdline_cap = sizeof cmdline;
+    int cmdline_len = 0;
+
+    err = 0
+        || appendRaw(cmdline, &cmdline_len, cmdline_cap, "mvn versions:set -DgenerateBackupPoms=false \"-DnewVersion=", 58) < 0
+        || appendQuotEscaped(cmdline, &cmdline_len, cmdline_cap, newVersion, newVersion_len)
+        || appendRaw(cmdline, &cmdline_len, cmdline_cap, "\"", 1) < 0
+        ;
+    if( err ){ LOGDBG("[TRACE]   at %s:%d", __FILE__, __LINE__); err = -1; goto endFn; }
+
+    STARTUPINFOA startInfo = { .lpDesktop = NULL, .lpTitle = NULL, .dwFlags = 0, };
+    startInfo.cb = sizeof(startInfo);
+    PROCESS_INFORMATION proc;
+    err = CreateProcessA(NULL, cmdline, NULL, NULL, !0, 0, NULL, NULL, &startInfo, &proc);
+    if( err == 0 ){
+        LOGERR("ERROR: CreateProcess(): 0x%0lX. %s:%d\n", GetLastError(), strrchr(__FILE__,'/')+1, __LINE__);
+        err = -1; goto endFn;
+    }
+    err = WaitForSingleObject(proc.hProcess, INFINITE);
+    if( err != WAIT_OBJECT_0 ){ LOGERR("ERROR: WaitForSingleObject() -> %lu. %s:%d\n", GetLastError(), strrchr(__FILE__,'/')+1, __LINE__);
+        err = -1; goto endFn; }
+    long unsigned exitCode;
+    err = GetExitCodeProcess(proc.hProcess, &exitCode);
+    if( err == 0 ){ LOGERR("ERROR: GetExitCodeProcess(): %lu. %s:%d\n", GetLastError(), strrchr(__FILE__,'/')+1, __LINE__);
+        err = -1; goto endFn; }
+    if( (exitCode & 0x7FFFFFFF) != exitCode ){
+        LOGERR("EDOM: Exit code %lu out of bounds. %s:%d\n", exitCode, strrchr(__FILE__,'/')+1, __LINE__);
+        err = -1; goto endFn;
+    }
+    err = exitCode;
+endFn:
+    if( err != 0 && cmdline_len > 0 ){ LOGDBG("[DEBUG] %.*s\n", cmdline_len, cmdline); }
+    if( err < 0 ) err = -err;
+    return err;
+}
+
+