From cb75d85e2a26c06e007a4c9e3454e0bbe3fab623 Mon Sep 17 00:00:00 2001
From: Alex Karle <alex@alexkarle.com>
Date: Mon, 18 Nov 2024 03:14:33 +0100
Subject: [PATCH] Add simple history stack / "up" command

Felt the need for a late night hack :)
---
 gc | 32 ++++++++++++++++++++------------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/gc b/gc
index 8cac28d..aa84de2 100755
--- a/gc
+++ b/gc
@@ -40,22 +40,24 @@ catlike() {
 goto() {
     printf "goto> "
     read -r URL
+    echo "$URL" >> "$HISTORY"
+}
+
+goback() {
+    sed -i '$d' "$HISTORY"
+    URL=$(tail -n 1 "$HISTORY")
 }
 
 graburl() {
     N="$1"
     link=$(grep "^\[$N\]:" "$LINKS")
     URL=${link##\[*\]: }
+    echo "$URL" >> "$HISTORY"
 }
 
 ui() {
     while [ -n "$URL" ]; do
-        parseurl
-        case "$target" in
-            /0/*) echo "${target##/0}" | nc "$host" 70 | ${PAGER:-less} ;;
-            /1/*) echo "${target##/1}" | nc "$host" 70 | pretty ;;
-            *) echo "$target" | nc "$host" 70 | pretty ;;  # TODO: handle other types?
-        esac
+	catlike
 
         URL=""
         while true; do
@@ -65,12 +67,16 @@ ui() {
                 [0-9]*) graburl "$opt" && if [ -n "$URL" ]; then break; else echo "no such link"; fi ;;
                 l*) cat "$LINKS" ;;
                 g*) goto ; break ;;
+                u*) goback ; break ;;
+                H*) cat "$HISTORY" ;;
                 h*) cat <<EOM ;;
-NUM    -- go to this target
-g[oto] -- specify new URL
-h[elp] -- print this message
-l[ist] -- list targets
-q[uit] -- quit
+NUM       -- go to this target
+g[oto]    -- specify new URL
+u[p]      -- go up a directory
+H[istory] -- list the history
+h[elp]    -- print this message
+l[ist]    -- list targets
+q[uit]    -- quit
 EOM
                 q*) break;;
                 *) echo "no such command; 'h' for help, 'q' to quit" ;;
@@ -81,6 +87,8 @@ EOM
 
 URL=$1
 LINKS=$(mktemp)
+HISTORY=$(mktemp)
+echo "$URL" > "$HISTORY"
 
 if ! tty >/dev/null; then
     catlike
@@ -88,4 +96,4 @@ else
     ui
 fi
 
-rm -f "$LINKS"
+rm -f "$LINKS" "$HISTORY"
--
libgit2 1.8.1