gh-120291: Fix a bashism in python-config.sh.in

mgorny · mgorny · commit 85ff141cd9e1 · 2024-06-09T15:54:27.000+02:00
Replace the use of bash-specific `[[ ... ]]` with POSIX-compliant `[ ... ]` to make the `python-config` shell script work with non-bash shells again. Fixes #120291
diff --git a/Misc/NEWS.d/next/Build/2024-06-09-15-54-22.gh-issue-120291.IpfHzE.rst b/Misc/NEWS.d/next/Build/2024-06-09-15-54-22.gh-issue-120291.IpfHzE.rst
@@ -0,0 +1,2 @@
+Fix the shell version of ``python-config`` script to work with non-bash
+shells.
diff --git a/Misc/python-config.sh.in b/Misc/python-config.sh.in
@@ -5,7 +5,7 @@
 exit_with_usage ()
 {
     local USAGE="Usage: $0 --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--help|--abiflags|--configdir|--embed"
-    if [[ "$1" -eq 0 ]]; then
+    if [ "$1" -eq 0 ]; then
         echo "$USAGE"
     else
         echo "$USAGE" >&2

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Fix the shell version of ``python-config`` script to work with non-bash
	`2`	`+shells.`
Original file line number	Diff line number	Diff line change
`@@ -5,7 +5,7 @@`
`5`	`5`	`exit_with_usage ()`
`6`	`6`	`{`
`7`	`7`	`local USAGE="Usage: $0 --prefix\|--exec-prefix\|--includes\|--libs\|--cflags\|--ldflags\|--extension-suffix\|--help\|--abiflags\|--configdir\|--embed"`
`8`		`- if [[ "$1" -eq 0 ]]; then`
	`8`	`+ if [ "$1" -eq 0 ]; then`
`9`	`9`	`echo "$USAGE"`
`10`	`10`	`else`
`11`	`11`	`echo "$USAGE" >&2`