Event not generated when File change happens

I am using tini to monitor for file changes
tini -vvv -S 1 -F config/data/infra_postgres.json --- ./app

I can see tini logs for my apps and also see file also been detected by tini.

[DEBUG tini (1)] Found a new file: /config/data/infra_postgres.json, dev: 0, ino: 0 mtime: 0, ctime: 0
[INFO  tini (1)] Spawned child process './app' with pid '8'
[TRACE tini (1)] No child to reap

But when I change the content of the file "infra_postgres.json", I am not getting any logs from tini saying "File change detected" or signal SIGHUP(1) is also not sent.

Can someone help with this?

😕 tini doesn't have a -F option:

$ tini -vvv -F ./package.json rails server -b '0.0.0.0'
tini: invalid option -- 'F'
tini (tini version 0.19.0)
Usage: tini [OPTIONS] PROGRAM -- [ARGS] | --version

Execute a program under the supervision of a valid init process (tini)

Command line options:

  --version: Show version and exit.
  -h: Show this help message and exit.
  -s: Register as a process subreaper (requires Linux >= 3.4).
  -p SIGNAL: Trigger SIGNAL when parent dies, e.g. "-p SIGKILL".
  -v: Generate more verbose output. Repeat up to 3 times.
  -w: Print a warning when processes are getting reaped.
  -g: Send signals to the child's process group.
  -e EXIT_CODE: Remap EXIT_CODE (from 0 to 255) to 0.
  -l: Show license and exit.

Environment variables:

  TINI_SUBREAPER: Register as a process subreaper (requires Linux >= 3.4).
  TINI_VERBOSITY: Set the verbosity level (default: 1).
  TINI_KILL_PROCESS_GROUP: Send signals to the child's process group.

tini/src/tini.c

Lines 226 to 264 in 378bbbc

    
           void print_usage(char* const name, FILE* const file) { 
        
           	fprintf(file, "%s (%s)\n", basename(name), TINI_VERSION_STRING); 
        
           #if TINI_MINIMAL 
        
           	fprintf(file, "Usage: %s PROGRAM [ARGS] | --version\n\n", basename(name)); 
        
           #else 
        
           	fprintf(file, "Usage: %s [OPTIONS] PROGRAM -- [ARGS] | --version\n\n", basename(name)); 
        
           #endif 
        
           	fprintf(file, "Execute a program under the supervision of a valid init process (%s)\n\n", basename(name)); 
        
           	fprintf(file, "Command line options:\n\n"); 
        
           	fprintf(file, "  --version: Show version and exit.\n"); 
        
           #if TINI_MINIMAL 
        
           #else 
        
           	fprintf(file, "  -h: Show this help message and exit.\n"); 
        
           #if HAS_SUBREAPER 
        
           	fprintf(file, "  -s: Register as a process subreaper (requires Linux >= 3.4).\n"); 
        
           #endif 
        
           	fprintf(file, "  -p SIGNAL: Trigger SIGNAL when parent dies, e.g. \"-p SIGKILL\".\n"); 
        
           	fprintf(file, "  -v: Generate more verbose output. Repeat up to 3 times.\n"); 
        
           	fprintf(file, "  -w: Print a warning when processes are getting reaped.\n"); 
        
           	fprintf(file, "  -g: Send signals to the child's process group.\n"); 
        
           	fprintf(file, "  -e EXIT_CODE: Remap EXIT_CODE (from 0 to 255) to 0 (can be repeated).\n"); 
        
           	fprintf(file, "  -l: Show license and exit.\n"); 
        
           #endif 
        
           	fprintf(file, "\n"); 
        
           	fprintf(file, "Environment variables:\n\n"); 
        
           #if HAS_SUBREAPER 
        
           	fprintf(file, "  %s: Register as a process subreaper (requires Linux >= 3.4).\n", SUBREAPER_ENV_VAR); 
        
           #endif 
        
           	fprintf(file, "  %s: Set the verbosity level (default: %d).\n", VERBOSITY_ENV_VAR, DEFAULT_VERBOSITY); 
        
           	fprintf(file, "  %s: Send signals to the child's process group.\n", KILL_PROCESS_GROUP_GROUP_ENV_VAR); 
        
           	fprintf(file, "\n"); 
        
           }

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Event not generated when File change happens #201

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	void print_usage(char* const name, FILE* const file) {
	fprintf(file, "%s (%s)\n", basename(name), TINI_VERSION_STRING);

	#if TINI_MINIMAL
	fprintf(file, "Usage: %s PROGRAM [ARGS] \| --version\n\n", basename(name));
	#else
	fprintf(file, "Usage: %s [OPTIONS] PROGRAM -- [ARGS] \| --version\n\n", basename(name));
	#endif
	fprintf(file, "Execute a program under the supervision of a valid init process (%s)\n\n", basename(name));

	fprintf(file, "Command line options:\n\n");

	fprintf(file, " --version: Show version and exit.\n");

	#if TINI_MINIMAL
	#else
	fprintf(file, " -h: Show this help message and exit.\n");
	#if HAS_SUBREAPER
	fprintf(file, " -s: Register as a process subreaper (requires Linux >= 3.4).\n");
	#endif
	fprintf(file, " -p SIGNAL: Trigger SIGNAL when parent dies, e.g. \"-p SIGKILL\".\n");
	fprintf(file, " -v: Generate more verbose output. Repeat up to 3 times.\n");
	fprintf(file, " -w: Print a warning when processes are getting reaped.\n");
	fprintf(file, " -g: Send signals to the child's process group.\n");
	fprintf(file, " -e EXIT_CODE: Remap EXIT_CODE (from 0 to 255) to 0 (can be repeated).\n");
	fprintf(file, " -l: Show license and exit.\n");
	#endif

	fprintf(file, "\n");

	fprintf(file, "Environment variables:\n\n");
	#if HAS_SUBREAPER
	fprintf(file, " %s: Register as a process subreaper (requires Linux >= 3.4).\n", SUBREAPER_ENV_VAR);
	#endif
	fprintf(file, " %s: Set the verbosity level (default: %d).\n", VERBOSITY_ENV_VAR, DEFAULT_VERBOSITY);
	fprintf(file, " %s: Send signals to the child's process group.\n", KILL_PROCESS_GROUP_GROUP_ENV_VAR);

	fprintf(file, "\n");
	}

Event not generated when File change happens #201

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yosifkit commented on Oct 13, 2022

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