3427b375b5
To unset a variable, just specify its name, without "=". For example:
const char *env[] = {"GIT_DIR=.git", "PWD", NULL};
const char *argv[] = {"git-ls-files", "-s", NULL};
int err = run_command_v_opt_cd_env(argv, RUN_GIT_CMD, ".", env);
The PWD will be unset before executing git-ls-files.
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
#ifndef RUN_COMMAND_H
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#define RUN_COMMAND_H
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enum {
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ERR_RUN_COMMAND_FORK = 10000,
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ERR_RUN_COMMAND_EXEC,
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ERR_RUN_COMMAND_PIPE,
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ERR_RUN_COMMAND_WAITPID,
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ERR_RUN_COMMAND_WAITPID_WRONG_PID,
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ERR_RUN_COMMAND_WAITPID_SIGNAL,
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ERR_RUN_COMMAND_WAITPID_NOEXIT,
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};
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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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int in;
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int out;
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const char *dir;
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const char *const *env;
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unsigned close_in:1;
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unsigned close_out:1;
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unsigned no_stdin:1;
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unsigned no_stdout:1;
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unsigned git_cmd:1; /* if this is to be git sub-command */
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unsigned stdout_to_stderr:1;
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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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#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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int run_command_v_opt(const char **argv, int opt);
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int run_command_v_opt_cd(const char **argv, int opt, const char *dir);
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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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#endif
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