diff --git a/sub-process.c b/sub-process.c index f7ee412b7e..0f78a46f98 100644 --- a/sub-process.c +++ b/sub-process.c @@ -4,6 +4,7 @@ #include "sub-process.h" #include "sigchain.h" #include "pkt-line.h" +#include "quote.h" int cmd2process_cmp(const void *unused_cmp_data, const struct hashmap_entry *eptr, @@ -118,6 +119,52 @@ int subprocess_start(struct hashmap *hashmap, struct subprocess_entry *entry, co return 0; } +int subprocess_start_strvec(struct hashmap *hashmap, + struct subprocess_entry *entry, + int is_git_cmd, + const struct strvec *argv, + subprocess_start_fn startfn) +{ + int err; + int k; + struct child_process *process; + struct strbuf quoted = STRBUF_INIT; + + process = &entry->process; + + child_process_init(process); + for (k = 0; k < argv->nr; k++) + strvec_push(&process->args, argv->v[k]); + process->use_shell = 1; + process->in = -1; + process->out = -1; + process->git_cmd = is_git_cmd; + process->clean_on_exit = 1; + process->clean_on_exit_handler = subprocess_exit_handler; + process->trace2_child_class = "subprocess"; + + sq_quote_argv_pretty("ed, argv->v); + entry->cmd = strbuf_detach("ed, NULL); + + err = start_command(process); + if (err) { + error("cannot fork to run subprocess '%s'", entry->cmd); + return err; + } + + hashmap_entry_init(&entry->ent, strhash(entry->cmd)); + + err = startfn(entry); + if (err) { + error("initialization for subprocess '%s' failed", entry->cmd); + subprocess_stop(hashmap, entry); + return err; + } + + hashmap_add(hashmap, &entry->ent); + return 0; +} + static int handshake_version(struct child_process *process, const char *welcome_prefix, int *versions, int *chosen_version) diff --git a/sub-process.h b/sub-process.h index e85f21fa1a..3d16701a0c 100644 --- a/sub-process.h +++ b/sub-process.h @@ -57,6 +57,12 @@ typedef int(*subprocess_start_fn)(struct subprocess_entry *entry); int subprocess_start(struct hashmap *hashmap, struct subprocess_entry *entry, const char *cmd, subprocess_start_fn startfn); +int subprocess_start_strvec(struct hashmap *hashmap, + struct subprocess_entry *entry, + int is_git_cmd, + const struct strvec *argv, + subprocess_start_fn startfn); + /* Kill a subprocess and remove it from the subprocess hashmap. */ void subprocess_stop(struct hashmap *hashmap, struct subprocess_entry *entry);