diff options
Diffstat (limited to 'pkgs/build-support/setup-hooks')
-rw-r--r-- | pkgs/build-support/setup-hooks/make-wrapper.sh | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/pkgs/build-support/setup-hooks/make-wrapper.sh b/pkgs/build-support/setup-hooks/make-wrapper.sh index ec32cd800e0e..82176becf2a3 100644 --- a/pkgs/build-support/setup-hooks/make-wrapper.sh +++ b/pkgs/build-support/setup-hooks/make-wrapper.sh @@ -1,3 +1,12 @@ +# Assert that FILE exists and is executable +# +# assertExecutable FILE +assertExecutable() { + local file="$1" + [[ -f "${file}" && -x "${file}" ]] || \ + die "Cannot wrap ${file} because it is not an executable file" +} + # construct an executable file that wraps the actual executable # makeWrapper EXECUTABLE ARGS @@ -24,6 +33,8 @@ makeWrapper() { local params varName value command separator n fileNames local argv0 flagsBefore flags + assertExecutable "${file}" + mkdir -p "$(dirname "$wrapper")" echo "#! $SHELL -e" > "$wrapper" @@ -119,6 +130,9 @@ filterExisting() { wrapProgram() { local prog="$1" local hidden + + assertExecutable "${prog}" + hidden="$(dirname "$prog")/.$(basename "$prog")"-wrapped while [ -e "$hidden" ]; do hidden="${hidden}_" |