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author | Junio C Hamano <gitster@pobox.com> | 2009-01-21 16:50:43 -0800 |
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committer | Junio C Hamano <gitster@pobox.com> | 2009-01-21 16:50:43 -0800 |
commit | 1afcde6da1221bdb85a3630d995f9ca384042cb9 (patch) | |
tree | 9a010c9a301e5574aacd6d56a48e9c18d9496bb0 /run-command.c | |
parent | Merge branch 'jk/color-parse' (diff) | |
parent | run_hook(): allow more than 9 hook arguments (diff) | |
download | tgif-1afcde6da1221bdb85a3630d995f9ca384042cb9.tar.xz |
Merge branch 'sb/hook-cleanup'
* sb/hook-cleanup:
run_hook(): allow more than 9 hook arguments
run_hook(): check the executability of the hook before filling argv
api-run-command.txt: talk about run_hook()
Move run_hook() from builtin-commit.c into run-command.c (libgit)
checkout: don't crash on file checkout before running post-checkout hook
Diffstat (limited to 'run-command.c')
-rw-r--r-- | run-command.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/run-command.c b/run-command.c index c90cdc50e3..db9ce59204 100644 --- a/run-command.c +++ b/run-command.c @@ -342,3 +342,48 @@ int finish_async(struct async *async) #endif return ret; } + +int run_hook(const char *index_file, const char *name, ...) +{ + struct child_process hook; + const char **argv = NULL, *env[2]; + char index[PATH_MAX]; + va_list args; + int ret; + size_t i = 0, alloc = 0; + + if (access(git_path("hooks/%s", name), X_OK) < 0) + return 0; + + va_start(args, name); + ALLOC_GROW(argv, i + 1, alloc); + argv[i++] = git_path("hooks/%s", name); + while (argv[i-1]) { + ALLOC_GROW(argv, i + 1, alloc); + argv[i++] = va_arg(args, const char *); + } + va_end(args); + + memset(&hook, 0, sizeof(hook)); + hook.argv = argv; + hook.no_stdin = 1; + hook.stdout_to_stderr = 1; + if (index_file) { + snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file); + env[0] = index; + env[1] = NULL; + hook.env = env; + } + + ret = start_command(&hook); + free(argv); + if (ret) { + warning("Could not spawn %s", argv[0]); + return ret; + } + ret = finish_command(&hook); + if (ret == -ERR_RUN_COMMAND_WAITPID_SIGNAL) + warning("%s exited due to uncaught signal", argv[0]); + + return ret; +} |