[packages/bash-completion] builder-completion: try to parse .spec from commandline

[glen]

commit b6d1f536cf07f2526efdc35a275f0c2f973ce8a0
Author: Elan Ruusamäe <g...@delfi.ee>
Date:   Sun Aug 12 21:15:23 2012 +0300

    builder-completion: try to parse .spec from commandline

 builder.bash-completion | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)
---
diff --git a/builder.bash-completion b/builder.bash-completion
index eb80e88..da7f04c 100644
--- a/builder.bash-completion
+++ b/builder.bash-completion
@@ -1,5 +1,21 @@
 # PLD Linux builder(1) script completion
 
+# get active spec file from commandline
+# caller should make $spec local variable
+# TODO: it gets it wrong if some option arg is found before spec itself
+_builder_get_spec()
+{
+       local i
+       spec=
+       for (( i=1; i < ${#words[@]}-1; i++ )); do
+               if [[ ${words[i]} != -* ]]; then
+                       spec=${words[i]}
+                       break
+               fi
+       done
+       [[ ! -f $spec ]] && return 0
+}
+
 _builder()
 {
        local cur prev words cword
@@ -7,12 +23,14 @@ _builder()
 
        case $prev in
        -r)
-               local spec=*.spec
+               local spec
+               _builder_get_spec
                COMPREPLY=( $( compgen -W '$( git tag )' -- "$cur" ) )
                return 0
                ;;
        --with|--without)
-               local spec=*.spec
+               local spec
+               _builder_get_spec
                $1 -nn -ncs --show-avail-bconds $spec
                return 0
                ;;
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