# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1487207700 28800
# Node ID bba76de4371a45658e0e095e337d375b35249f32
# Parent  6b00f4383708eb3f0db8b8cd4a3a850521711757
Add option to specify that a custom file lister returns absolute paths.

diff -r 6b00f4383708 -r bba76de4371a autoload/gutentags/ctags.vim
--- a/autoload/gutentags/ctags.vim	Wed Feb 15 17:14:12 2017 -0800
+++ b/autoload/gutentags/ctags.vim	Wed Feb 15 17:15:00 2017 -0800
@@ -39,6 +39,8 @@
     " Get to the tags file directory because ctags is finicky about
     " these things.
     let l:prev_cwd = getcwd()
+    execute "chdir " . fnameescape(a:proj_dir)
+
     let l:tags_file_exists = filereadable(a:tags_file)
 
     if l:tags_file_exists && g:gutentags_ctags_check_tagfile
@@ -54,14 +56,13 @@
 
     if empty(g:gutentags_cache_dir)
         " If we don't use the cache directory, let's just use the tag filename
-        " as specified by the user, and change the working directory to the
-        " project root.
+        " as specified by the user, since it's relative to the project root,
+        " and we are already `chdir`'d into it.
         " Note that if we don't do this and pass a full path, `ctags` gets
         " confused if the paths have spaces -- but not if you're *in* the
         " root directory.
         let l:actual_proj_dir = '.'
         let l:actual_tags_file = g:gutentags_tagfile
-        execute "chdir " . fnameescape(a:proj_dir)
     else
         " else: the tags file goes in a cache directory, so we need to specify
         " all the paths absolutely for `ctags` to do its job correctly.
@@ -84,6 +85,14 @@
         else
             let l:file_list_cmd = gutentags#get_project_file_list_cmd(l:actual_proj_dir)
             if !empty(l:file_list_cmd)
+                let l:suffopts = matchstrpos(l:file_list_cmd, '///')
+                if l:suffopts[1] > 0
+                    let l:suffoptstr = strpart(l:file_list_cmd, l:suffopts[2])
+                    let l:file_list_cmd = strpart(l:file_list_cmd, 0, l:suffopts[1])
+                    if l:suffoptstr == 'absolute'
+                        let l:cmd .= ' -A'
+                    endif
+                endif
                 let l:cmd .= ' -L ' . '"' . l:file_list_cmd. '"'
             endif
         endif
diff -r 6b00f4383708 -r bba76de4371a plat/unix/update_tags.sh
--- a/plat/unix/update_tags.sh	Wed Feb 15 17:14:12 2017 -0800
+++ b/plat/unix/update_tags.sh	Wed Feb 15 17:15:00 2017 -0800
@@ -8,6 +8,7 @@
 TAGS_FILE=tags
 PROJECT_ROOT=
 FILE_LIST_CMD=
+FILE_LIST_CMD_IS_ABSOLUTE=0
 UPDATED_SOURCE=
 PAUSE_BEFORE_EXIT=0
 
@@ -20,6 +21,8 @@
     echo "    -t [file=tags]: The path to the ctags file to update"
     echo "    -p [dir=]:      The path to the project root"
     echo "    -L [cmd=]:      The file list command to run"
+    echo "    -A:             Specifies that the file list command returns "
+    echo "                    absolute paths"
     echo "    -s [file=]:     The path to the source file that needs updating"
     echo "    -x [pattern=]:  A pattern of files to exclude"
     echo "    -o [options=]:  An options file to read additional options from"
@@ -28,7 +31,7 @@
 }
 
 
-while getopts "h?e:x:t:p:L:s:o:c" opt; do
+while getopts "h?e:x:t:p:L:s:o:cA" opt; do
     case $opt in
         h|\?)
             ShowUsage
@@ -49,6 +52,9 @@
         L)
             FILE_LIST_CMD=$OPTARG
             ;;
+        A)
+            FILE_LIST_CMD_IS_ABSOLUTE=1
+            ;;
         s)
             UPDATED_SOURCE=$OPTARG
             ;;
@@ -88,7 +94,7 @@
 
 if [ $INDEX_WHOLE_PROJECT -eq 1 ]; then
     if [ -n "${FILE_LIST_CMD}" ]; then
-        if [ "${PROJECT_ROOT}" = "." ]; then
+        if [ "${PROJECT_ROOT}" = "." ] || [ $FILE_LIST_CMD_IS_ABSOLUTE -eq 1 ]; then
             $FILE_LIST_CMD > "${TAGS_FILE}.files"
         else
             # If using a tags cache directory, use absolute paths
diff -r 6b00f4383708 -r bba76de4371a plat/win32/update_tags.cmd
--- a/plat/win32/update_tags.cmd	Wed Feb 15 17:14:12 2017 -0800
+++ b/plat/win32/update_tags.cmd	Wed Feb 15 17:15:00 2017 -0800
@@ -10,6 +10,7 @@
 set TAGS_FILE=tags
 set PROJECT_ROOT=
 set FILE_LIST_CMD=
+set FILE_LIST_CMD_IS_ABSOLUTE=0
 set UPDATED_SOURCE=
 set PAUSE_BEFORE_EXIT=0
 set LOG_FILE=
@@ -41,6 +42,10 @@
     shift
     goto :LoopParseArgs
 )
+if [%1]==[-A] (
+    set FILE_LIST_CMD_IS_ABSOLUTE=1
+    goto :LoopParseArgs
+)
 if [%1]==[-s] (
     set UPDATED_SOURCE=%~2
     shift
@@ -93,7 +98,12 @@
     set CTAGS_ARGS=%CTAGS_ARGS% "%PROJECT_ROOT%"
     if not ["%FILE_LIST_CMD%"]==[""] (
         echo Running custom file lister >> %LOG_FILE%
-        if ["%PROJECT_ROOT%"]==["."] (
+        echo Licensee is %LICENSEE_ID% >> %LOG_FILE%
+        set use_raw_list=0
+        if ["%PROJECT_ROOT%"]==["."] set use_raw_list=1
+        if ["%FILE_LIST_CMD_IS_ABSOLUTE%"]==["1"] set use_raw_list=1
+        rem No idea why we need to use delayed expansion here to make it work :(
+        if ["!use_raw_list!"]==["1"] (
             echo call %FILE_LIST_CMD% ^> %TAGS_FILE%.files >> %LOG_FILE%
             call %FILE_LIST_CMD% > %TAGS_FILE%.files
         ) else (
@@ -150,6 +160,8 @@
 echo    -t [file=tags]: The path to the ctags file to update
 echo    -p [dir=]:      The path to the project root
 echo    -L [cmd=]:      The file list command to run
+echo    -A:             Specifies that the file list command returns
+echo                    absolute paths
 echo    -s [file=]:     The path to the source file that needs updating
 echo    -l [log=]:      The log file to output to
 echo    -o [options=]:  An options file to read additional options from