add 'show' verb, to display a PKGBUILD for a package

5 files changed, 30 insertions, 2 deletions

diff --git a/asp.in b/asp.in
index 41c27d4..74165b3 100644
--- a/asp.in
+++ b/asp.in
@@ -35,6 +35,7 @@ Commands:
   list-local               List tracked packages
   list-repos   NAME...     List repos for packages
   log          NAME        Show revision history
+  show         NAME        Show the PKGBUILD
   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
@@ -230,6 +231,9 @@ case $action in
   log)
     log "$1"
     ;;
+  show)
+    package_show_pkgbuild "$1"
+    ;;
   difflog)
     difflog "$1"
     ;;
diff --git a/man/asp.1.txt b/man/asp.1.txt
index 6bd2a76..5284d4a 100644
--- a/man/asp.1.txt
+++ b/man/asp.1.txt
@@ -69,6 +69,12 @@ The following commands are understood:
 *shortlog*::
 	Show a condensed revision history of the target.
 
+*show*::
+	Show the PKGBUILD of the target, which may be in the format 'package' or
+	'repository/package'. If the repository is not specified, the PKGBUILD
+	will be shown at the most recent revision (which may be newer than what
+	is in the repositories).
+
 *update*::
 	For each target, if the package is not known to the local repository,
 	attempt to track it. If the package is tracked, update the package
diff --git a/package.inc.sh b/package.inc.sh
index 3f301c0..d382b41 100644
--- a/package.inc.sh
+++ b/package.inc.sh
@@ -70,6 +70,24 @@ package_log() {
   git log "${logargs[@]}" "$remote/packages/$pkgname" -- trunk/
 }
 
+package_show_pkgbuild() {
+  local pkgname=$1 remote repo subtree blob_id
+
+  if [[ $pkgname = */* ]]; then
+    IFS=/ read -r repo pkgname <<<"$pkgname"
+  fi
+
+  package_init "$pkgname" remote || return
+
+  if [[ $repo ]]; then
+    subtree=repos/$repo-$OPT_ARCH
+  else
+    subtree=trunk
+  fi
+
+  git show "remotes/$remote/packages/$pkgname":"$subtree"/PKGBUILD
+}
+
 package_export() {
   local pkgname=$1 remote repo arch
   local mode objtype objid path
@@ -80,7 +98,6 @@ package_export() {
 
   package_init "$pkgname" remote || return 1
 
-  # support $repo/$pkgname syntax
   if [[ $repo ]]; then
     subtree=repos/$repo-$OPT_ARCH
   else
diff --git a/shell/bash-completion b/shell/bash-completion
index 41708c3..cdd7f92 100644
--- a/shell/bash-completion
+++ b/shell/bash-completion
@@ -14,7 +14,7 @@ _asp() {
 
   # top level commands
   local -A verbs=(
-    [ALL_PACKAGES]='checkout difflog export list-arches list-repos log shortlog'
+    [ALL_PACKAGES]='checkout difflog export list-arches list-repos log shortlog show'
     [LOCAL_PACKAGES]='untrack update'
     [NONE]='disk-usage gc help list-all list-local'
   )
diff --git a/shell/zsh-completion b/shell/zsh-completion
index e26718b..502044c 100644
--- a/shell/zsh-completion
+++ b/shell/zsh-completion
@@ -15,6 +15,7 @@ _asp_command() {
       'list-repos'
       'log'
       'shortlog'
+      'show'
       'update'
       'untrack'
       )