Add comments to composer source

1 files changed, 11 insertions, 0 deletions

diff --git a/composer.c b/composer.c
index ee79b3d..fd67641 100644
--- a/composer.c
+++ b/composer.c
@@ -12,22 +12,33 @@ int main(int argc, char** argv) {
         exit(1);
     }
 
+    // Get all files matching the given pattern in the current directory
     glob_t glob_buf;
     glob("docker-compose.*.yaml", 0, NULL, &glob_buf);
 
+    // Create the char* args array for all the arguments we'll be passing in
     char* args[argc+2+(2*glob_buf.gl_pathc)];
+
+    // Set the base command and file
     args[0] = COMMAND;
     args[1] = "-f";
     args[2] = "docker-compose.yaml";
+
+    // For each path found by glob, append -f [PATH] to args
     for(size_t i = 0; i < glob_buf.gl_pathc; i++) {
         args[(2*i)+3] = "-f";
         args[(2*i)+4] = glob_buf.gl_pathv[i];
     }
+
+    // Append all command line arguments passed into composer
     for (int i = 1; i < argc; i++) {
         args[2+(2*glob_buf.gl_pathc)+i] = argv[i];
     }
+
+    // Set the final arg to NULL as expected by execvp
     args[argc+2+(2*glob_buf.gl_pathc)] = NULL;
 
+    // Run the command and print an error if it fails
     int result = execvp(COMMAND, args);
     if (result < 0) {
         perror(COMMAND);