feat: add strip_path_prefix config option

lua/telescope/config.lua

@@ -930,6 +930,19 @@ append(
     Default: require("telescope.previewers").buffer_previewer_maker]]
 )
 
+append(
+  "strip_path_prefix",
+  nil,
+  [[
+    String that will be stripped from the beginning of file paths.
+    This is useful when running in containers where file paths start
+    with a specific prefix that you want to remove for better display.
+
+    Example: "/app/"
+
+    Default: nil]]
+)
+
 -- @param user_defaults table: a table where keys are the names of options,
 --    and values are the ones the user wants
 -- @param tele_defaults table: (optional) a table containing all of the defaults

lua/telescope/make_entry.lua

@@ -38,6 +38,7 @@ local entry_display = require "telescope.pickers.entry_display"
 local utils = require "telescope.utils"
 local strings = require "plenary.strings"
 local Path = require "plenary.path"
+local config = require "telescope.config"
 
 local treesitter_type_highlight = {
   ["associated"] = "TSConstant",
@@ -454,6 +455,7 @@ end
 function make_entry.gen_from_quickfix(opts)
   opts = opts or {}
   local show_line = vim.F.if_nil(opts.show_line, true)
+  local strip_prefix = vim.F.if_nil(opts.strip_path_prefix, config.values.strip_path_prefix)
 
   local hidden = utils.is_path_hidden(opts)
 
@@ -479,6 +481,9 @@ function make_entry.gen_from_quickfix(opts)
   local get_filename = get_filename_fn()
   return function(entry)
     local filename = vim.F.if_nil(entry.filename, get_filename(entry.bufnr))
+    if filename and strip_prefix and filename:match("^" .. vim.pesc(strip_prefix)) then
+      filename = filename:gsub("^" .. vim.pesc(strip_prefix), "")
+    end
 
     return make_entry.set_default_entry_mt({
       value = entry,