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a886ba2801
* sp/maint-push-sideband: receive-pack: Send internal errors over side-band #2 t5401: Use a bare repository for the remote peer receive-pack: Send hook output over side band #2 receive-pack: Wrap status reports inside side-band-64k receive-pack: Refactor how capabilities are shown to the client send-pack: demultiplex a sideband stream with status data run-command: support custom fd-set in async run-command: Allow stderr to be a caller supplied pipe Conflicts: builtin-receive-pack.c run-command.c t/t5401-update-hooks.sh
90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
#ifndef RUN_COMMAND_H
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#define RUN_COMMAND_H
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struct child_process {
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const char **argv;
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pid_t pid;
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/*
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* Using .in, .out, .err:
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* - Specify 0 for no redirections (child inherits stdin, stdout,
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* stderr from parent).
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* - Specify -1 to have a pipe allocated as follows:
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* .in: returns the writable pipe end; parent writes to it,
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* the readable pipe end becomes child's stdin
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* .out, .err: returns the readable pipe end; parent reads from
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* it, the writable pipe end becomes child's stdout/stderr
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* The caller of start_command() must close the returned FDs
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* after it has completed reading from/writing to it!
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* - Specify > 0 to set a channel to a particular FD as follows:
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* .in: a readable FD, becomes child's stdin
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* .out: a writable FD, becomes child's stdout/stderr
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* .err: a writable FD, becomes child's stderr
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* The specified FD is closed by start_command(), even in case
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* of errors!
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*/
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int in;
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int out;
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int err;
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const char *dir;
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const char *const *env;
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unsigned no_stdin:1;
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unsigned no_stdout:1;
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unsigned no_stderr:1;
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unsigned git_cmd:1; /* if this is to be git sub-command */
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unsigned silent_exec_failure:1;
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unsigned stdout_to_stderr:1;
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unsigned use_shell:1;
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void (*preexec_cb)(void);
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};
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int start_command(struct child_process *);
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int finish_command(struct child_process *);
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int run_command(struct child_process *);
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extern int run_hook(const char *index_file, const char *name, ...);
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#define RUN_COMMAND_NO_STDIN 1
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#define RUN_GIT_CMD 2 /*If this is to be git sub-command */
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#define RUN_COMMAND_STDOUT_TO_STDERR 4
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#define RUN_SILENT_EXEC_FAILURE 8
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#define RUN_USING_SHELL 16
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int run_command_v_opt(const char **argv, int opt);
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/*
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* env (the environment) is to be formatted like environ: "VAR=VALUE".
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* To unset an environment variable use just "VAR".
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*/
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int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env);
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/*
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* The purpose of the following functions is to feed a pipe by running
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* a function asynchronously and providing output that the caller reads.
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*
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* It is expected that no synchronization and mutual exclusion between
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* the caller and the feed function is necessary so that the function
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* can run in a thread without interfering with the caller.
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*/
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struct async {
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/*
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* proc reads from in; closes it before return
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* proc writes to out; closes it before return
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* returns 0 on success, non-zero on failure
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*/
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int (*proc)(int in, int out, void *data);
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void *data;
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int in; /* caller writes here and closes it */
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int out; /* caller reads from here and closes it */
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#ifndef WIN32
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pid_t pid;
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#else
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HANDLE tid;
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int proc_in;
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int proc_out;
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#endif
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};
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int start_async(struct async *async);
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int finish_async(struct async *async);
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#endif
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