ckiss

commit 6ec4de00a7557cab85281761a2f5221686a429a8
parent eb63651200bb9dc67b704fda62fca8dbad467991
Author: aabacchus <ben@bvnf.space>
Date:   Sun, 23 Apr 2023 23:12:41 +0100

bad update

Diffstat:
M
README
 | 
2
+-
M
src/Makefile
 | 
3
++-
M
src/actions.h
 | 
1
+
M
src/main.c
 | 
4
++++
A
src/update.c
 | 
46
++++++++++++++++++++++++++++++++++++++++++++++
M
src/utils.c
 | 
21
+++++++++++++++++++++
M
src/utils.h
 | 
1
+

7 files changed, 76 insertions(+), 2 deletions(-)
diff --git a/README b/README
@@ -15,7 +15,7 @@ An implementation of the kiss package manager in C.
 [x] list
 [ ] remove
 [x] search
-[ ] update
+[.] update
 [ ] upgrade
 [x] version
 [ ] external tools
diff --git a/src/Makefile b/src/Makefile
@@ -2,7 +2,7 @@
 
 XCFLAGS = $(CFLAGS) -Wall -Wextra -Wshadow -pedantic -D_XOPEN_SOURCE=700 -Og -g
 
-OBJS = utils.o list.o search.o array.o checksum.o checksums.o pkg.o
+OBJS = utils.o list.o search.o array.o checksum.o checksums.o pkg.o update.o
 LIBS = -lblake3
 
 all: ckiss
@@ -35,4 +35,5 @@ array.o: array.h utils.h
 checksum.o: actions.h pkg.h utils.h checksums.h
 checksums.o: utils.h checksums.h
 pkg.o: pkg.h utils.h
+update.o: actions.h utils.h
 main.o: actions.h utils.h
diff --git a/src/actions.h b/src/actions.h
@@ -5,4 +5,5 @@
 int list(int argc, char **argv, struct env *e);
 int search(int argc, char **argv, struct env *e);
 int checksum(int argc, char **argv, struct env *e);
+int update(struct env *e);
 #endif
diff --git a/src/main.c b/src/main.c
@@ -12,6 +12,7 @@ usage(int r) {
     mylog("checksum     Generate checksums");
     mylog("list         List installed packages");
     mylog("search       Search for packages");
+    mylog("update       Update the repositories");
     mylog("version      Package manager version");
     exit(r);
 }
@@ -34,6 +35,9 @@ main(int argc, char **argv) {
         case 's':
             ret = search(argc - 1, argv + 1, e);
             break;
+        case 'u':
+            ret = update(e);
+            break;
         case 'v':
             printf("%s\n", KISS_VERSION);
             break;
diff --git a/src/update.c b/src/update.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+
+#include "utils.h"
+#include "actions.h"
+
+/* TODO: use libgit2 */
+
+void
+repo_try_print_motd(char *repo) {
+    char *fn = concat(repo, "/MOTD", NULL);
+    FILE *f = fopen(fn, "r");
+    if (f != NULL) {
+        int c;
+        while ((c = fgetc(f)) != EOF)
+            putchar(c);
+        fclose(f);
+    }
+    free(fn);
+}
+
+int
+update(struct env *e) {
+    for (int i = 0; e->kiss_path[i] != NULL; i++) {
+        char *repo = e->kiss_path[i];
+        mylog(repo);
+        /* TODO need to get root of git repo, ideally only pull once each, and use that for motd. */
+
+        /*
+        char *buf;
+        int n = snprintf(NULL, 0, "git -C \"%s\" pull", repo);
+        buf = malloc(n+1);
+        if (buf == NULL)
+            die_perror("malloc");
+        snprintf(buf, n+1, "git -C \"%s\" pull", repo);
+        */
+
+        char *cmd[] = {"git", "-C", repo, "pull", NULL};
+        if (run(cmd) != 0)
+            die_perror(repo);
+
+        repo_try_print_motd(repo);
+    }
+    return 0;
+}
diff --git a/src/utils.c b/src/utils.c
@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
+#include <sys/wait.h>
 #include <time.h>
 #include <unistd.h>
 
@@ -356,3 +357,23 @@ destroy_env(struct env *e) {
     free(e->pid);
     free(e);
 }
+
+int
+run(char *argv[]) {
+    pid_t pid = fork();
+    int stat_loc;
+
+    switch (pid) {
+        case -1:
+            die_perror("fork");
+            return 1;
+        case 0:
+            execvp(argv[0], argv);
+
+            break;
+        default:
+            waitpid(pid, &stat_loc, 0);
+            return WEXITSTATUS(stat_loc);
+    }
+    return 0;
+}
diff --git a/src/utils.h b/src/utils.h
@@ -65,4 +65,5 @@ struct env *setup_env(void);
 /* correctly frees a struct env. */
 void destroy_env(struct env *e);
 
+int run(char *argv[]);
 #endif