feat(cable): enhance repository preview with commit graph and add history action

television/cable/ghq-repos.toml

@@ -5,7 +5,7 @@ ghq repositories (plus the chezmoi source tree) and Obsidian vaults, newest
 git activity first. Enter prints the directory; the gho shell function (ctrl-o
 in fish, zsh and bash) cds into it.
 """
-requirements = ["ghq", "fd", "onefetch", "mtime-sort"]
+requirements = ["ghq", "fd", "git", "serie", "onefetch", "mtime-sort"]
 
 # Entries are "<name>\t<absolute path>": the name is what you fuzzy-match, the
 # path is what enter prints. ctrl-s cycles repos → vaults.
@@ -31,20 +31,35 @@ shell = "bash"
 display = "{split:\\t:0}"
 output = "{split:\\t:1}"
 
+# Two previews, ctrl-f cycles: commit graph (default), then onefetch. serie
+# itself cannot draw here -- it is a fullscreen TUI that paints the graph with
+# kitty images and has no print mode -- so ctrl-g (history) opens it.
 [preview]
-command = '''
+command = [
+  '''
+d='{split:\t:1}'
+if [ -e "$d/.git" ]; then
+  git -C "$d" log --graph --all --color=always --date=relative -n 300 \
+    --format='%C(yellow)%h%C(reset) %C(blue)%<(12,trunc)%ad%C(reset) %s%C(auto)%d' 2>&1
+else
+  eza --tree --level 2 --color=always "$d" 2>/dev/null || ls -la "$d"
+fi
+''',
+  '''
 d='{split:\t:1}'
 if [ -e "$d/.git" ]; then
   onefetch --no-art "$d" 2>&1
 else
   eza --tree --level 2 --color=always "$d" 2>/dev/null || ls -la "$d"
 fi
-'''
+''',
+]
 shell = "bash"
 
 # ctrl-e (edit) is bound globally in config.toml.
 [keybindings]
 ctrl-b = "actions:browse"
+ctrl-g = "actions:history"
 
 [actions.edit]
 description = "Open the repository in nvim"
@@ -58,3 +73,11 @@ description = "Open the repository's web page (gop)"
 command = "cd '{split:\\t:1}' && gop >/dev/null 2>&1"
 shell = "bash"
 mode = "fork"
+
+[actions.history]
+description = "Browse the commit graph in serie"
+# Fork: quitting serie (q) returns to the picker. /dev/tty for the same reason
+# as edit; serie also needs a real tty to detect kitty graphics.
+command = "cd '{split:\\t:1}' && [ -e .git ] && serie </dev/tty >/dev/tty"
+shell = "bash"
+mode = "fork"