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77cb17e940
The git suite may not be in PATH (and thus programs such as git-send-pack could not exec git-rev-list). Thus there is a need for logic that will locate these programs. Modifying PATH is not desirable as it result in behavior differing from the user's intentions, as we may end up prepending "/usr/bin" to PATH. - git C programs will use exec*_git_cmd() APIs to exec sub-commands. - exec*_git_cmd() will execute a git program by searching for it in the following directories: 1. --exec-path (as used by "git") 2. The GIT_EXEC_PATH environment variable. 3. $(gitexecdir) as set in Makefile (default value $(bindir)). - git wrapper will modify PATH as before to enable shell scripts to invoke "git-foo" commands. Ideally, shell scripts should use the git wrapper to become independent of PATH, and then modifying PATH will not be necessary. [jc: with minor updates after a brief review.] Signed-off-by: Michal Ostrowski <mostrows@watson.ibm.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
21 lines
511 B
C
21 lines
511 B
C
#ifndef RUN_COMMAND_H
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#define RUN_COMMAND_H
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#define MAX_RUN_COMMAND_ARGS 256
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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_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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#define RUN_COMMAND_NO_STDIO 1
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#define RUN_GIT_CMD 2 /*If this is to be git sub-command */
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int run_command_v_opt(int argc, char **argv, int opt);
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int run_command_v(int argc, char **argv);
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int run_command(const char *cmd, ...);
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#endif
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