diff options
| -rw-r--r-- | convert.c | 3 | ||||
| -rw-r--r-- | diff.c | 3 | ||||
| -rw-r--r-- | editor.c | 21 | ||||
| -rw-r--r-- | imap-send.c | 8 | ||||
| -rw-r--r-- | ll-merge.c | 6 | ||||
| -rw-r--r-- | pager.c | 5 | ||||
| -rw-r--r-- | run-command.c | 49 | ||||
| -rw-r--r-- | run-command.h | 2 | ||||
| -rwxr-xr-x | t/t0021-conversion.sh | 3 | ||||
| -rwxr-xr-x | t/t4030-diff-textconv.sh | 2 | ||||
| -rwxr-xr-x | t/t4031-diff-rewrite-binary.sh | 2 |
11 files changed, 69 insertions, 35 deletions
@@ -249,10 +249,11 @@ static int filter_buffer(int fd, void *data) struct child_process child_process; struct filter_params *params = (struct filter_params *)data; int write_err, status; - const char *argv[] = { "sh", "-c", params->cmd, NULL }; + const char *argv[] = { params->cmd, NULL }; memset(&child_process, 0, sizeof(child_process)); child_process.argv = argv; + child_process.use_shell = 1; child_process.in = -1; child_process.out = fd; @@ -2294,7 +2294,7 @@ static void run_external_diff(const char *pgm, } *arg = NULL; fflush(NULL); - retval = run_command_v_opt(spawn_arg, 0); + retval = run_command_v_opt(spawn_arg, RUN_USING_SHELL); remove_tempfile(); if (retval) { fprintf(stderr, "external diff died, stopping at %s.\n", name); @@ -3818,6 +3818,7 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec, *arg = NULL; memset(&child, 0, sizeof(child)); + child.use_shell = 1; child.argv = argv; child.out = -1; if (start_command(&child) != 0 || @@ -36,26 +36,9 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en return error("Terminal is dumb, but EDITOR unset"); if (strcmp(editor, ":")) { - size_t len = strlen(editor); - int i = 0; - int failed; - const char *args[6]; - struct strbuf arg0 = STRBUF_INIT; + const char *args[] = { editor, path, NULL }; - if (strcspn(editor, "|&;<>()$`\\\"' \t\n*?[#~=%") != len) { - /* there are specials */ - strbuf_addf(&arg0, "%s \"$@\"", editor); - args[i++] = "sh"; - args[i++] = "-c"; - args[i++] = arg0.buf; - } - args[i++] = editor; - args[i++] = path; - args[i] = NULL; - - failed = run_command_v_opt_cd_env(args, 0, NULL, env); - strbuf_release(&arg0); - if (failed) + if (run_command_v_opt_cd_env(args, RUN_USING_SHELL, NULL, env)) return error("There was a problem with the editor '%s'.", editor); } diff --git a/imap-send.c b/imap-send.c index de8114bac..51f371ba9 100644 --- a/imap-send.c +++ b/imap-send.c @@ -965,17 +965,13 @@ static struct store *imap_open_store(struct imap_server_conf *srvc) /* open connection to IMAP server */ if (srvc->tunnel) { - const char *argv[4]; + const char *argv[] = { srvc->tunnel, NULL }; struct child_process tunnel = {0}; imap_info("Starting tunnel '%s'... ", srvc->tunnel); - argv[0] = "sh"; - argv[1] = "-c"; - argv[2] = srvc->tunnel; - argv[3] = NULL; - tunnel.argv = argv; + tunnel.use_shell = 1; tunnel.in = -1; tunnel.out = -1; if (start_command(&tunnel)) diff --git a/ll-merge.c b/ll-merge.c index 2d6b6d6cb..18511e281 100644 --- a/ll-merge.c +++ b/ll-merge.c @@ -175,7 +175,7 @@ static int ll_ext_merge(const struct ll_merge_driver *fn, { "B", temp[2] }, { NULL } }; - const char *args[] = { "sh", "-c", NULL, NULL }; + const char *args[] = { NULL, NULL }; int status, fd, i; struct stat st; @@ -190,8 +190,8 @@ static int ll_ext_merge(const struct ll_merge_driver *fn, strbuf_expand(&cmd, fn->cmdline, strbuf_expand_dict_cb, &dict); - args[2] = cmd.buf; - status = run_command_v_opt(args, 0); + args[0] = cmd.buf; + status = run_command_v_opt(args, RUN_USING_SHELL); fd = open(temp[1], O_RDONLY); if (fd < 0) goto bad; @@ -28,7 +28,7 @@ static void pager_preexec(void) } #endif -static const char *pager_argv[] = { "sh", "-c", NULL, NULL }; +static const char *pager_argv[] = { NULL, NULL }; static struct child_process pager_process; static void wait_for_pager(void) @@ -81,7 +81,8 @@ void setup_pager(void) spawned_pager = 1; /* means we are emitting to terminal */ /* spawn the pager */ - pager_argv[2] = pager; + pager_argv[0] = pager; + pager_process.use_shell = 1; pager_process.argv = pager_argv; pager_process.in = -1; if (!getenv("LESS")) { diff --git a/run-command.c b/run-command.c index cf2d8f7fa..47ced570b 100644 --- a/run-command.c +++ b/run-command.c @@ -15,6 +15,50 @@ static inline void dup_devnull(int to) close(fd); } +static const char **prepare_shell_cmd(const char **argv) +{ + int argc, nargc = 0; + const char **nargv; + + for (argc = 0; argv[argc]; argc++) + ; /* just counting */ + /* +1 for NULL, +3 for "sh -c" plus extra $0 */ + nargv = xmalloc(sizeof(*nargv) * (argc + 1 + 3)); + + if (argc < 1) + die("BUG: shell command is empty"); + + if (strcspn(argv[0], "|&;<>()$`\\\"' \t\n*?[#~=%") != strlen(argv[0])) { + nargv[nargc++] = "sh"; + nargv[nargc++] = "-c"; + + if (argc < 2) + nargv[nargc++] = argv[0]; + else { + struct strbuf arg0 = STRBUF_INIT; + strbuf_addf(&arg0, "%s \"$@\"", argv[0]); + nargv[nargc++] = strbuf_detach(&arg0, NULL); + } + } + + for (argc = 0; argv[argc]; argc++) + nargv[nargc++] = argv[argc]; + nargv[nargc] = NULL; + + return nargv; +} + +#ifndef WIN32 +static int execv_shell_cmd(const char **argv) +{ + const char **nargv = prepare_shell_cmd(argv); + trace_argv_printf(nargv, "trace: exec:"); + execvp(nargv[0], (char **)nargv); + free(nargv); + return -1; +} +#endif + int start_command(struct child_process *cmd) { int need_in, need_out, need_err; @@ -123,6 +167,8 @@ fail_pipe: cmd->preexec_cb(); if (cmd->git_cmd) { execv_git_cmd(cmd->argv); + } else if (cmd->use_shell) { + execv_shell_cmd(cmd->argv); } else { execvp(cmd->argv[0], (char *const*) cmd->argv); } @@ -179,6 +225,8 @@ fail_pipe: if (cmd->git_cmd) { cmd->argv = prepare_git_cmd(cmd->argv); + } else if (cmd->use_shell) { + cmd->argv = prepare_shell_cmd(cmd->argv); } cmd->pid = mingw_spawnvpe(cmd->argv[0], cmd->argv, env); @@ -297,6 +345,7 @@ static void prepare_run_command_v_opt(struct child_process *cmd, cmd->git_cmd = opt & RUN_GIT_CMD ? 1 : 0; cmd->stdout_to_stderr = opt & RUN_COMMAND_STDOUT_TO_STDERR ? 1 : 0; cmd->silent_exec_failure = opt & RUN_SILENT_EXEC_FAILURE ? 1 : 0; + cmd->use_shell = opt & RUN_USING_SHELL ? 1 : 0; } int run_command_v_opt(const char **argv, int opt) diff --git a/run-command.h b/run-command.h index fb342090e..967ba8cc0 100644 --- a/run-command.h +++ b/run-command.h @@ -33,6 +33,7 @@ struct child_process { unsigned git_cmd:1; /* if this is to be git sub-command */ unsigned silent_exec_failure:1; unsigned stdout_to_stderr:1; + unsigned use_shell:1; void (*preexec_cb)(void); }; @@ -46,6 +47,7 @@ extern int run_hook(const char *index_file, const char *name, ...); #define RUN_GIT_CMD 2 /*If this is to be git sub-command */ #define RUN_COMMAND_STDOUT_TO_STDERR 4 #define RUN_SILENT_EXEC_FAILURE 8 +#define RUN_USING_SHELL 16 int run_command_v_opt(const char **argv, int opt); /* diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh index 8fc39d77c..6cb8d60ea 100755 --- a/t/t0021-conversion.sh +++ b/t/t0021-conversion.sh @@ -4,7 +4,8 @@ test_description='blob conversion via gitattributes' . ./test-lib.sh -cat <<\EOF >rot13.sh +cat <<EOF >rot13.sh +#!$SHELL_PATH tr \ 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' \ 'nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM' diff --git a/t/t4030-diff-textconv.sh b/t/t4030-diff-textconv.sh index a3f0897a5..88c5619ae 100755 --- a/t/t4030-diff-textconv.sh +++ b/t/t4030-diff-textconv.sh @@ -48,7 +48,7 @@ test_expect_success 'file is considered binary by plumbing' ' test_expect_success 'setup textconv filters' ' echo file diff=foo >.gitattributes && - git config diff.foo.textconv "$PWD"/hexdump && + git config diff.foo.textconv "\"$(pwd)\""/hexdump && git config diff.fail.textconv false ' diff --git a/t/t4031-diff-rewrite-binary.sh b/t/t4031-diff-rewrite-binary.sh index a894c6062..7e7b307a2 100755 --- a/t/t4031-diff-rewrite-binary.sh +++ b/t/t4031-diff-rewrite-binary.sh @@ -54,7 +54,7 @@ chmod +x dump test_expect_success 'setup textconv' ' echo file diff=foo >.gitattributes && - git config diff.foo.textconv "$PWD"/dump + git config diff.foo.textconv "\"$(pwd)\""/dump ' test_expect_success 'rewrite diff respects textconv' ' |