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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>
11 lines
283 B
C
11 lines
283 B
C
#ifndef __GIT_EXEC_CMD_H_
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#define __GIT_EXEC_CMD_H_
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extern void git_set_exec_path(const char *exec_path);
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extern const char* git_exec_path(void);
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extern int execv_git_cmd(char **argv); /* NULL terminated */
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extern int execl_git_cmd(char *cmd, ...);
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#endif /* __GIT_EXEC_CMD_H_ */
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