From 82951aafc58d0ea4529387bd180d28a664506743 Mon Sep 17 00:00:00 2001
From: Dave Reisner <dreisner@archlinux.org>
Date: Sat, 11 Mar 2017 21:16:32 -0500
Subject: add ls-files subcommand, allow showing files other than PKGBUILD

---
 asp.in                | 15 +++++++++++----
 package.inc.sh        | 28 +++++++++++++++++++---------
 remote.inc.sh         |  1 +
 shell/bash-completion | 26 ++++++++++++++++++--------
 4 files changed, 49 insertions(+), 21 deletions(-)

diff --git a/asp.in b/asp.in
index 53e6cff..15b2387 100644
--- a/asp.in
+++ b/asp.in
@@ -34,8 +34,9 @@ Commands:
   list-arches  NAME...     List architectures for packages
   list-local               List tracked packages
   list-repos   NAME...     List repos for packages
+  ls-files     NAME        List files for package
   log          NAME        Show revision history
-  show         NAME        Show the PKGBUILD
+  show         NAME [FILE] Show the PKGBUILD or other FILE
   shortlog     NAME        Show revision history in short form
   update       [NAME...]   Update packages (update all tracked if none specified)
   untrack      NAME...     Remove a package from the local repository
@@ -256,8 +257,8 @@ action__shortlog() {
 }
 
 action__show() {
-  __require_argc 1
-  package_show_pkgbuild "$1"
+  __require_argc 1-2
+  package_show_file "$@"
 }
 
 action__untrack() {
@@ -269,6 +270,12 @@ action__update() {
   update_packages "$@"
 }
 
+action__ls-files() {
+  __require_argc 1
+
+  package_list_files "$1"
+}
+
 dispatch_action() {
   local a candidates=()
   local actions=(
@@ -282,6 +289,7 @@ dispatch_action() {
     list-arches
     list-local
     list-repos
+    ls-files
     log
     shortlog
     show
@@ -348,4 +356,3 @@ done
 shift $(( OPTIND - 1 ))
 
 dispatch_action "$@"
-
diff --git a/package.inc.sh b/package.inc.sh
index 14bede9..9ff4e7c 100644
--- a/package.inc.sh
+++ b/package.inc.sh
@@ -1,6 +1,5 @@
 package_init() {
-  local pkgname=$1
-  local do_update=1
+  local do_update=1 pkgname=$1
 
   if [[ $1 = -n ]]; then
     do_update=0
@@ -63,8 +62,8 @@ package_log() {
   git log "${logargs[@]}" "$remote/packages/$pkgname" -- trunk/
 }
 
-package_show_pkgbuild() {
-  local pkgname=$1 remote repo subtree
+package_show_file() {
+  local pkgname=$1 file=${2:-PKGBUILD} remote repo subtree
 
   if [[ $pkgname = */* ]]; then
     IFS=/ read -r repo pkgname <<<"$pkgname"
@@ -72,13 +71,23 @@ package_show_pkgbuild() {
 
   package_init "$pkgname" remote || return
 
-  if [[ $repo ]]; then
-    subtree=repos/$repo-$OPT_ARCH
-  else
-    subtree=trunk
+  if [[ $file != */* ]]; then
+    if [[ $repo ]]; then
+      subtree=repos/$repo-$OPT_ARCH/
+    else
+      subtree=trunk/
+    fi
   fi
 
-  git show "remotes/$remote/packages/$pkgname:$subtree"/PKGBUILD
+  git show "remotes/$remote/packages/$pkgname:$subtree$file"
+}
+
+package_list_files() {
+  local pkgname=$1 remote
+
+  package_init "$pkgname" remote || return
+
+  git ls-tree -r --name-only "remotes/$remote/packages/$pkgname" "trunk" | sed 's,^trunk/,,'
 }
 
 package_export() {
@@ -107,6 +116,7 @@ package_export() {
   fi
 
   if (( ! OPT_FORCE )); then
+    # shellcheck disable=SC2154
     mkdir "$startdir/$pkgname" || return 1
   fi
 
diff --git a/remote.inc.sh b/remote.inc.sh
index 826ab37..8b9674b 100644
--- a/remote.inc.sh
+++ b/remote.inc.sh
@@ -1,6 +1,7 @@
 __remote_refcache_update() {
   local remote=$1 cachefile=$ASPCACHE/remote-$remote
 
+  # shellcheck disable=SC2064
   trap "rm -f '$cachefile~'" RETURN
 
   git ls-remote "$remote" 'refs/heads/packages/*' |
diff --git a/shell/bash-completion b/shell/bash-completion
index cdd7f92..339134f 100644
--- a/shell/bash-completion
+++ b/shell/bash-completion
@@ -8,7 +8,7 @@ in_array() {
 }
 
 _asp() {
-  local a= cur= prev= comps=
+  local verb='' i cur prev comps
 
   _get_comp_words_by_ref cur prev
 
@@ -34,24 +34,34 @@ _asp() {
     return 0
   fi
 
-  for word in "${COMP_WORDS[@]}"; do
+  # verb completion
+  for (( i = 0; i < ${#COMP_WORDS[@]}; ++i )); do
+    word=${COMP_WORDS[i]}
     if in_array "$word" ${verbs[ALL_PACKAGES]}; then
-      a=$word
+      verb=$word
       comps=$(\asp list-all | sed 's,.*/,,')
       break
     elif in_array "$word" ${verbs[LOCAL_PACKAGES]}; then
-      a=$word
+      verb=$word
       comps=$(\asp list-local | sed 's,.*/,,')
       break
     elif in_array "$word" ${verbs[NONE]}; then
-      a=$word
+      verb=$word
       break
     fi
   done
 
-  if [[ -z $a ]]; then
-    comps=${verbs[*]}
-  fi
+  # sub-verb completion
+  case $verb in
+    show)
+      if (( i < ${#COMP_WORDS[@]} - 2 )); then
+        comps=$(\asp ls-files "${COMP_WORDS[i+1]}")
+      fi
+      ;;
+    '')
+      comps=${verbs[*]}
+      ;;
+  esac
 
   if [[ $comps ]]; then
     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
-- 
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