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add session save and session load functionality

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New [key-bindings]:
- session-save: captures cwd and foreground process argv to ~/.local/share/foot/state/{name}.json
- session-save-secure: prompts for a password, encrypts the scrollback with argon2id + XChaCha20-Poly1305 (libsodium) and writes it to {name}.scrollback.enc(stores up to 1Mb scrollback buffer).
- session-load: a minimal fuzzy picker that displays saved sessions (both secure and vanilla), UI piggybacks on search bar subsurface. use arrows to navigate and delete to delete a previously saved session.
This commit is contained in:
entailz 2026-05-21 14:08:33 -07:00
parent 05ee680778
commit cabddb26e6
16 changed files with 1947 additions and 49 deletions
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24
terminal.c
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@ -1511,6 +1511,17 @@ struct terminal *term_tab_new(struct terminal *primary, int argc,
char *const *argv, const char *const *envp,
void (*shutdown_cb)(void *data, int exit_code),
void *shutdown_data) {
return term_tab_new_with_cwd(primary, NULL, argc, argv, envp, shutdown_cb,
shutdown_data);
}
struct terminal *term_tab_new_with_cwd(struct terminal *primary,
const char *override_cwd, int argc,
char *const *argv,
const char *const *envp,
void (*shutdown_cb)(void *data,
int exit_code),
void *shutdown_data) {
struct wl_window *win = primary->window;
if (win->tab_count >= TAB_MAX) {
@ -1725,9 +1736,12 @@ struct terminal *term_tab_new(struct terminal *primary, int argc,
.cb_data = shutdown_data,
},
.foot_exe = xstrdup(primary->foot_exe),
.cwd = xstrdup(conf->tabs.inherit_cwd
? win->term->cwd
: (getenv("HOME") != NULL ? getenv("HOME") : "/")),
.cwd = xstrdup(override_cwd != NULL
? override_cwd
: (conf->tabs.inherit_cwd
? win->term->cwd
: (getenv("HOME") != NULL ? getenv("HOME")
: "/"))),
.grapheme_shaping = conf->tweak.grapheme_shaping,
#if defined(FOOT_IME_ENABLED) && FOOT_IME_ENABLED
.ime_enabled = true,
@ -1764,6 +1778,10 @@ struct terminal *term_tab_new(struct terminal *primary, int argc,
add_utmp_record(conf, reaper, ptmx);
/* Initialize window title to the configured default; otherwise a freshly
* spawned child sending CSI 22 t (push title) sees a NULL title. */
term_set_window_title(term, conf->title);
if ((term->slave = slave_spawn(
term->ptmx, argc, term->cwd, argv, envp, &conf->env_vars, conf->term,
conf->shell, conf->login_shell, &conf->notifications)) == -1) {