diff options
Diffstat (limited to 'Modules/ExternalProject.cmake')
| -rw-r--r-- | Modules/ExternalProject.cmake | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake index 7a8aa5f..2355dac 100644 --- a/Modules/ExternalProject.cmake +++ b/Modules/ExternalProject.cmake @@ -418,6 +418,19 @@ if(error_code) message(FATAL_ERROR \"Failed to get the hash for HEAD\") endif() +execute_process( + COMMAND \"${git_EXECUTABLE}\" show-ref ${git_tag} + WORKING_DIRECTORY \"${work_dir}\" + OUTPUT_VARIABLE show_ref_output + ) +# If a remote ref is asked for, which can possibly move around, +# we must always do a fetch and checkout. +if(\"\${show_ref_output}\" MATCHES \"remotes\") + set(is_remote_ref 1) +else() + set(is_remote_ref 0) +endif() + # This will fail if the tag does not exist (it probably has not been fetched # yet). execute_process( @@ -428,7 +441,7 @@ execute_process( ) # Is the hash checkout out that we want? -if(error_code OR NOT (\"\${tag_sha}\" STREQUAL \"\${head_sha}\")) +if(error_code OR is_remote_ref OR NOT (\"\${tag_sha}\" STREQUAL \"\${head_sha}\")) execute_process( COMMAND \"${git_EXECUTABLE}\" fetch WORKING_DIRECTORY \"${work_dir}\" |