Remove ish

I think I've lost the ability to code...

3 files changed, 1 insertions, 117 deletions

diff --git a/bin/.gitignore b/bin/.gitignore
index 35d9a3af..8960977b 100644
--- a/bin/.gitignore
+++ b/bin/.gitignore
@@ -2,7 +2,6 @@ atch
 bri
 dtch
 hnel
-ish
 jrp
 pbcopy
 pbd
diff --git a/bin/Makefile b/bin/Makefile
index e3f7053c..f2112e29 100644
--- a/bin/Makefile
+++ b/bin/Makefile
@@ -1,4 +1,4 @@
-BINS = atch bri dtch hnel ish jrp pbcopy pbd pbpaste typo wake watch xx
+BINS = atch bri dtch hnel jrp pbcopy pbd pbpaste typo wake watch xx
 CFLAGS += -Wall -Wextra -Wpedantic
 LDLIBS = -lcurses -ledit -lutil
 
diff --git a/bin/ish.c b/bin/ish.c
deleted file mode 100644
index 3364474d..00000000
--- a/bin/ish.c
+++ /dev/null
@@ -1,115 +0,0 @@
-#include <err.h>
-#include <histedit.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/param.h>
-#include <sys/wait.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-#define UNUSED __attribute__((unused))
-#define ARRAY_LEN(a) (sizeof(a) / sizeof(a[0]))
-
-static int cdBuiltin(int argc, const char *argv[]) {
-    const char *path = (argc > 1) ? argv[1] : getenv("HOME");
-    int error = chdir(path);
-    if (error) warn("%s", path);
-    return error;
-}
-
-static int execBuiltin(int argc, const char *argv[]) {
-    if (argc < 2) return 0;
-    execvp(argv[1], (char *const *)argv + 1);
-    err(EX_UNAVAILABLE, "%s", argv[1]);
-}
-
-static const struct {
-    const char *name;
-    int (*fn)(int, const char **);
-} BUILTINS[] = {
-    { "cd", cdBuiltin },
-    { "exec", execBuiltin },
-};
-
-static int forkExec(int argc UNUSED, const char *argv[]) {
-    pid_t pid = fork();
-    if (pid < 0) err(EX_OSERR, "fork");
-
-    if (!pid) {
-        execvp(argv[0], (char *const *)argv);
-        err(EX_UNAVAILABLE, "%s", argv[0]);
-    }
-
-    int status;
-    pid_t dead = wait(&status);
-    if (dead < 0) err(EX_OSERR, "wait");
-
-    if (WIFEXITED(status)) {
-        return WEXITSTATUS(status);
-    } else {
-        warnx("%s %s", sys_siglist[WTERMSIG(status)], argv[0]);
-        return 128 + WTERMSIG(status);
-    }
-}
-
-static char *prompt(EditLine *editLine UNUSED) {
-    return "$ ";
-}
-
-static char *rprompt(EditLine *editLine UNUSED) {
-    static char buf[PATH_MAX];
-    char *cwd = getcwd(buf, sizeof(buf));
-    if (!cwd) err(EX_OSERR, "getcwd");
-    return cwd;
-}
-
-int main(int argc, const char *argv[]) {
-    EditLine *editLine = el_init(argv[0], stdin, stdout, stderr);
-    History *hist = history_init();
-    Tokenizer *tokenizer = tok_init(NULL);
-
-    el_set(editLine, EL_SIGNAL, 1);
-    el_set(editLine, EL_HIST, history, hist);
-    el_set(editLine, EL_PROMPT, prompt);
-    el_set(editLine, EL_RPROMPT, rprompt);
-
-    HistEvent histEvent;
-    history(hist, &histEvent, H_SETSIZE, 1000);
-    history(hist, &histEvent, H_SETUNIQUE, 1);
-    // TODO: History persistence.
-
-    el_source(editLine, NULL);
-
-    for (;;) {
-        int count;
-        const char *line = el_gets(editLine, &count);
-        if (count < 0) err(EX_IOERR, "el_gets");
-        if (!line) break;
-
-        history(hist, &histEvent, H_ENTER, line);
-
-        int tok = tok_line(tokenizer, el_line(editLine), &argc, &argv, NULL, NULL);
-        if (tok < 0) errx(EX_SOFTWARE, "tok_line");
-        if (tok > 0) continue; // TODO: Change prompt.
-        if (!argc) continue;
-
-        bool builtin = false;
-        for (size_t i = 0; i < ARRAY_LEN(BUILTINS); ++i) {
-            if (strcmp(argv[0], BUILTINS[i].name)) continue;
-            builtin = true;
-            BUILTINS[i].fn(argc, argv);
-            break;
-        }
-        if (!builtin) forkExec(argc, argv);
-
-        tok_reset(tokenizer);
-    }
-
-    el_end(editLine);
-    history_end(hist);
-    tok_end(tokenizer);
-    return EX_OK;
-}